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is-link">Go</button> </div> </div> </form> </div> </div> <nav class="pagination is-small is-centered breathe-horizontal" role="navigation" aria-label="pagination"> <a href="" class="pagination-previous is-invisible">Previous </a> <a href="/search/?searchtype=author&query=Beuf%2C+G&start=50" class="pagination-next" >Next </a> <ul class="pagination-list"> <li> <a href="/search/?searchtype=author&query=Beuf%2C+G&start=0" class="pagination-link is-current" aria-label="Goto page 1">1 </a> </li> <li> <a href="/search/?searchtype=author&query=Beuf%2C+G&start=50" class="pagination-link " aria-label="Page 2" aria-current="page">2 </a> </li> </ul> </nav> <ol class="breathe-horizontal" start="1"> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2411.15047">arXiv:2411.15047</a> <span> [<a href="https://arxiv.org/pdf/2411.15047">pdf</a>, <a href="https://arxiv.org/format/2411.15047">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> </div> <p class="title is-5 mathjax"> Forward parton-nucleus scattering at next-to-eikonal accuracy in the CGC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Altinoluk%2C+T">Tolga Altinoluk</a>, <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Mulani%2C+S">Swaleha Mulani</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2411.15047v1-abstract-short" style="display: inline;"> We derive the full next-to-eikonal (NEik) corrections to the gluon propagator from before to after traversing a highly boosted gluon background field, including corrections both beyond the shockwave limit and beyond the static limit in particular. After summarizing the results of the full NEik corrections to the before-to-after quark propagator computed in our earlier works, we also derive the bef… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2411.15047v1-abstract-full').style.display = 'inline'; document.getElementById('2411.15047v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2411.15047v1-abstract-full" style="display: none;"> We derive the full next-to-eikonal (NEik) corrections to the gluon propagator from before to after traversing a highly boosted gluon background field, including corrections both beyond the shockwave limit and beyond the static limit in particular. After summarizing the results of the full NEik corrections to the before-to-after quark propagator computed in our earlier works, we also derive the before-to-inside, inside-to-inside and inside-to-after quark and gluon propagators, which are building blocks to calculate high-energy scattering processes at NEik order. Using these results and also including the NEik corrections that stem from interactions with the target via t-channel quark exchanges, we compute inclusive cross sections for quark and gluon production at forward rapidities in quark-nucleus and gluon-nucleus scatterings at NEik accuracy. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2411.15047v1-abstract-full').style.display = 'none'; document.getElementById('2411.15047v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 22 November, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">46 pages, 8 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2410.00612">arXiv:2410.00612</a> <span> [<a href="https://arxiv.org/pdf/2410.00612">pdf</a>, <a href="https://arxiv.org/ps/2410.00612">ps</a>, <a href="https://arxiv.org/format/2410.00612">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> </div> <p class="title is-5 mathjax"> Back-to-back dijet production in DIS at next-to-eikonal accuracy and twist-3 gluon TMDs </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Altinoluk%2C+T">Tolga Altinoluk</a>, <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Czajka%2C+A">Alina Czajka</a>, <a href="/search/hep-ph?searchtype=author&query=Marquet%2C+C">Cyrille Marquet</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2410.00612v1-abstract-short" style="display: inline;"> We consider dijet production in deep inelastic scattering at small $x$, on a purely gluonic unpolarized target. Starting from earlier results obtained at next-to-eikonal accuracy in the high-energy limit, we perform the expansion in the back-to-back dijet limit, at next-to-leading power accuracy. We rewrite our results in the language of transverse-momentum-dependent (TMD) factorization, in terms… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.00612v1-abstract-full').style.display = 'inline'; document.getElementById('2410.00612v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2410.00612v1-abstract-full" style="display: none;"> We consider dijet production in deep inelastic scattering at small $x$, on a purely gluonic unpolarized target. Starting from earlier results obtained at next-to-eikonal accuracy in the high-energy limit, we perform the expansion in the back-to-back dijet limit, at next-to-leading power accuracy. We rewrite our results in the language of transverse-momentum-dependent (TMD) factorization, in terms of twist-2 and twist-3 TMD gluon distributions (gluon TMDs). Among the next-to-eikonal corrections, we find in particular twist-2 contributions corresponding to the $x$ dependent phase of the twist-2 gluon TMDs. We also find two types of twist-3 unpolarized gluon TMDs, as well as correlators of three gluon field strength tensors. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2410.00612v1-abstract-full').style.display = 'none'; document.getElementById('2410.00612v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 1 October, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">38 pages</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2401.17251">arXiv:2401.17251</a> <span> [<a href="https://arxiv.org/pdf/2401.17251">pdf</a>, <a href="https://arxiv.org/format/2401.17251">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> </div> <p class="title is-5 mathjax"> Diffractive deep inelastic scattering at NLO in the dipole picture </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Lappi%2C+T">Tuomas Lappi</a>, <a href="/search/hep-ph?searchtype=author&query=M%C3%A4ntysaari%2C+H">Heikki M盲ntysaari</a>, <a href="/search/hep-ph?searchtype=author&query=Paatelainen%2C+R">Risto Paatelainen</a>, <a href="/search/hep-ph?searchtype=author&query=Penttala%2C+J">Jani Penttala</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2401.17251v1-abstract-short" style="display: inline;"> We compute the transverse and longitudinal diffractive structure functions to full next-to-leading order accuracy in the dipole picture of deep inelastic scattering. Our calculation uses the standard light-cone perturbation theory method for the partonic content of the virtual photon, together with the Color Glass Condensate description of the target color field. Our result includes as a subset th… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2401.17251v1-abstract-full').style.display = 'inline'; document.getElementById('2401.17251v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2401.17251v1-abstract-full" style="display: none;"> We compute the transverse and longitudinal diffractive structure functions to full next-to-leading order accuracy in the dipole picture of deep inelastic scattering. Our calculation uses the standard light-cone perturbation theory method for the partonic content of the virtual photon, together with the Color Glass Condensate description of the target color field. Our result includes as a subset the $q\bar{q}g$ contribution calculated earlier. We show that there is a rapidity divergence that can be factorized into the BK/JIMWLK evolution of the target Wilson lines, and that all other divergences cancel. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2401.17251v1-abstract-full').style.display = 'none'; document.getElementById('2401.17251v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 30 January, 2024; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2024. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">47 pages, 26 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2310.10738">arXiv:2310.10738</a> <span> [<a href="https://arxiv.org/pdf/2310.10738">pdf</a>, <a href="https://arxiv.org/format/2310.10738">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> </div> <p class="title is-5 mathjax"> On running coupling in the JIMWLK evolution and its Langevin formulation </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Altinoluk%2C+T">Tolga Altinoluk</a>, <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Lublinsky%2C+M">Michael Lublinsky</a>, <a href="/search/hep-ph?searchtype=author&query=Skokov%2C+V+V">Vladimir V. Skokov</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2310.10738v2-abstract-short" style="display: inline;"> Various conventional running coupling prescriptions reproducing $尾_ 0$-dependent terms of NLO JIMWLK are reviewed and found to be theoretically inconsistent: the JIMWLK evolution Hamiltonian with running coupling violates the requirement of positive semidefiniteness. This requirement appears to be tightly related to the possibility of having a Langevin formulation for the evolution. We also review… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2310.10738v2-abstract-full').style.display = 'inline'; document.getElementById('2310.10738v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2310.10738v2-abstract-full" style="display: none;"> Various conventional running coupling prescriptions reproducing $尾_ 0$-dependent terms of NLO JIMWLK are reviewed and found to be theoretically inconsistent: the JIMWLK evolution Hamiltonian with running coupling violates the requirement of positive semidefiniteness. This requirement appears to be tightly related to the possibility of having a Langevin formulation for the evolution. We also review the scheme that attributes a part of $尾_0$-dependent terms to the DGLAP evolution of the projectile. The remaining $尾_0$-dependent contributions sum up into so-called the ``daughter dipole'' prescription, which leads to a manifestly positive semidefinite Hamiltonian. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2310.10738v2-abstract-full').style.display = 'none'; document.getElementById('2310.10738v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 15 March, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 16 October, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">28 pages; version accepted for publication</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2307.06321">arXiv:2307.06321</a> <span> [<a href="https://arxiv.org/pdf/2307.06321">pdf</a>, <a href="https://arxiv.org/format/2307.06321">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> </div> <p class="title is-5 mathjax"> Diffractive Deep Inelastic Scattering in the Dipole Picture at Next-to-Leading Order </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">G. Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=H%C3%A4nninen%2C+H">H. H盲nninen</a>, <a href="/search/hep-ph?searchtype=author&query=Lappi%2C+T">T. Lappi</a>, <a href="/search/hep-ph?searchtype=author&query=M%C3%A4ntysaari%2C+H">H. M盲ntysaari</a>, <a href="/search/hep-ph?searchtype=author&query=Mulian%2C+Y">Y. Mulian</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2307.06321v1-abstract-short" style="display: inline;"> We calculate the contribution from the $q \bar q g$ state production to the diffractive cross sections in deep inelastic scattering at high energy. The obtained cross section is finite by itself, and consists a part of the full next-to-leading order result for the diffractive structure functions. Our calculation for the diffractive structure functions is performed using exact kinematics, under the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2307.06321v1-abstract-full').style.display = 'inline'; document.getElementById('2307.06321v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2307.06321v1-abstract-full" style="display: none;"> We calculate the contribution from the $q \bar q g$ state production to the diffractive cross sections in deep inelastic scattering at high energy. The obtained cross section is finite by itself, and consists a part of the full next-to-leading order result for the diffractive structure functions. Our calculation for the diffractive structure functions is performed using exact kinematics, under the shockwave approximation of the scattering process. Once the calculation is completed, we show that the previously known behaviour at the high-$Q^2$ and large-$M_X^2$ regime can be extracted from our results by taking the appropriate limits. Furthermore, we discuss the steps required to obtain the complete next-to-leading order results for the structure functions in the color glass condensate (CGC) formalism, and the application of these results to phenomenology. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2307.06321v1-abstract-full').style.display = 'none'; document.getElementById('2307.06321v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 12 July, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">DIS2023, talk by HH; 5 pages, 3 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2306.07682">arXiv:2306.07682</a> <span> [<a href="https://arxiv.org/pdf/2306.07682">pdf</a>, <a href="https://arxiv.org/ps/2306.07682">ps</a>, <a href="https://arxiv.org/format/2306.07682">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> </div> <p class="title is-5 mathjax"> DIS dijet production at next-to-eikonal accuracy in the CGC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Tymowska%2C+A">Arantxa Tymowska</a>, <a href="/search/hep-ph?searchtype=author&query=Altinoluk%2C+T">Tolga Altinoluk</a>, <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Czajka%2C+A">Alina Czajka</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2306.07682v1-abstract-short" style="display: inline;"> In this work, we derive the cross-section for inclusive DIS dijet production at full next-to-eikonal order. We include the corrections that stem from taking a finite width of the target, the interaction of the quark with the transverse component of the background field and also the dynamics of the target. </span> <span class="abstract-full has-text-grey-dark mathjax" id="2306.07682v1-abstract-full" style="display: none;"> In this work, we derive the cross-section for inclusive DIS dijet production at full next-to-eikonal order. We include the corrections that stem from taking a finite width of the target, the interaction of the quark with the transverse component of the background field and also the dynamics of the target. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2306.07682v1-abstract-full').style.display = 'none'; document.getElementById('2306.07682v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 13 June, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Presented at the XXIX Cracow Epiphany Conference on Physics at the Electron-Ion Collider and Future Facilities. To appear in Acta Physica Polonica B Supplemet</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2305.14572">arXiv:2305.14572</a> <span> [<a href="https://arxiv.org/pdf/2305.14572">pdf</a>, <a href="https://arxiv.org/ps/2305.14572">ps</a>, <a href="https://arxiv.org/format/2305.14572">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> </div> </div> <p class="title is-5 mathjax"> The case for an EIC Theory Alliance: Theoretical Challenges of the EIC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Abir%2C+R">Raktim Abir</a>, <a href="/search/hep-ph?searchtype=author&query=Akushevich%2C+I">Igor Akushevich</a>, <a href="/search/hep-ph?searchtype=author&query=Altinoluk%2C+T">Tolga Altinoluk</a>, <a href="/search/hep-ph?searchtype=author&query=Anderle%2C+D+P">Daniele Paolo Anderle</a>, <a href="/search/hep-ph?searchtype=author&query=Aslan%2C+F+P">Fatma P. Aslan</a>, <a href="/search/hep-ph?searchtype=author&query=Bacchetta%2C+A">Alessandro Bacchetta</a>, <a href="/search/hep-ph?searchtype=author&query=Balantekin%2C+B">Baha Balantekin</a>, <a href="/search/hep-ph?searchtype=author&query=Barata%2C+J">Joao Barata</a>, <a href="/search/hep-ph?searchtype=author&query=Battaglieri%2C+M">Marco Battaglieri</a>, <a href="/search/hep-ph?searchtype=author&query=Bertulani%2C+C+A">Carlos A. Bertulani</a>, <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Bissolotti%2C+C">Chiara Bissolotti</a>, <a href="/search/hep-ph?searchtype=author&query=Boer%2C+D">Dani毛l Boer</a>, <a href="/search/hep-ph?searchtype=author&query=Boglione%2C+M">M. Boglione</a>, <a href="/search/hep-ph?searchtype=author&query=Boughezal%2C+R">Radja Boughezal</a>, <a href="/search/hep-ph?searchtype=author&query=Braaten%2C+E">Eric Braaten</a>, <a href="/search/hep-ph?searchtype=author&query=Brambilla%2C+N">Nora Brambilla</a>, <a href="/search/hep-ph?searchtype=author&query=Braun%2C+V">Vladimir Braun</a>, <a href="/search/hep-ph?searchtype=author&query=Byer%2C+D">Duane Byer</a>, <a href="/search/hep-ph?searchtype=author&query=Celiberto%2C+F+G">Francesco Giovanni Celiberto</a>, <a href="/search/hep-ph?searchtype=author&query=Chien%2C+Y">Yang-Ting Chien</a>, <a href="/search/hep-ph?searchtype=author&query=Clo%C3%ABt%2C+I+C">Ian C. Clo毛t</a>, <a href="/search/hep-ph?searchtype=author&query=Constantinou%2C+M">Martha Constantinou</a>, <a href="/search/hep-ph?searchtype=author&query=Cosyn%2C+W">Wim Cosyn</a>, <a href="/search/hep-ph?searchtype=author&query=Courtoy%2C+A">Aurore Courtoy</a> , et al. (146 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2305.14572v1-abstract-short" style="display: inline;"> We outline the physics opportunities provided by the Electron Ion Collider (EIC). These include the study of the parton structure of the nucleon and nuclei, the onset of gluon saturation, the production of jets and heavy flavor, hadron spectroscopy and tests of fundamental symmetries. We review the present status and future challenges in EIC theory that have to be addressed in order to realize thi… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2305.14572v1-abstract-full').style.display = 'inline'; document.getElementById('2305.14572v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2305.14572v1-abstract-full" style="display: none;"> We outline the physics opportunities provided by the Electron Ion Collider (EIC). These include the study of the parton structure of the nucleon and nuclei, the onset of gluon saturation, the production of jets and heavy flavor, hadron spectroscopy and tests of fundamental symmetries. We review the present status and future challenges in EIC theory that have to be addressed in order to realize this ambitious and impactful physics program, including how to engage a diverse and inclusive workforce. In order to address these many-fold challenges, we propose a coordinated effort involving theory groups with differing expertise is needed. We discuss the scientific goals and scope of such an EIC Theory Alliance. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2305.14572v1-abstract-full').style.display = 'none'; document.getElementById('2305.14572v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 23 May, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">44 pages, ReVTeX, White Paper on EIC Theory Alliance</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2305.11079">arXiv:2305.11079</a> <span> [<a href="https://arxiv.org/pdf/2305.11079">pdf</a>, <a href="https://arxiv.org/format/2305.11079">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> </div> <p class="title is-5 mathjax"> Renormalization of the gluon distribution function in the background field formalism </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Altinoluk%2C+T">Tolga Altinoluk</a>, <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Jalilian-Marian%2C+J">Jamal Jalilian-Marian</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2305.11079v1-abstract-short" style="display: inline;"> We derive the Leading Order DGLAP evolution of gluon distribution function in the target light cone gauge starting from its standard operator definition. The derivation is performed using the background field formalism employed in the Color Glass Condensate effective theory of small $x$ QCD. We adopt Mandelstam-Leibbrandt prescription to regulate in an unambiguous way the spurious singularity appe… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2305.11079v1-abstract-full').style.display = 'inline'; document.getElementById('2305.11079v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2305.11079v1-abstract-full" style="display: none;"> We derive the Leading Order DGLAP evolution of gluon distribution function in the target light cone gauge starting from its standard operator definition. The derivation is performed using the background field formalism employed in the Color Glass Condensate effective theory of small $x$ QCD. We adopt Mandelstam-Leibbrandt prescription to regulate in an unambiguous way the spurious singularity appearing in the light-cone gauge Feynman propagator. UV divergences are regulated via conventional dimensional regularization. The methods introduced in this paper represent the first steps in the construction of a unified framework for QCD evolution, which could address collinear physics as well as small $x$ physics and gluon saturation. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2305.11079v1-abstract-full').style.display = 'none'; document.getElementById('2305.11079v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 18 May, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Latex, 20 pages, 2 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2303.12691">arXiv:2303.12691</a> <span> [<a href="https://arxiv.org/pdf/2303.12691">pdf</a>, <a href="https://arxiv.org/format/2303.12691">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> </div> <p class="title is-5 mathjax"> Probing quark transverse momentum distributions in the Color Glass Condensate: quark-gluon dijets in Deep Inelastic Scattering at next-to-eikonal accuracy </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Altinoluk%2C+T">Tolga Altinoluk</a>, <a href="/search/hep-ph?searchtype=author&query=Armesto%2C+N">Nestor Armesto</a>, <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2303.12691v2-abstract-short" style="display: inline;"> We study the production, in Deep Inelastic Scattering at high energy, of a quark-gluon dijet induced by $t$-channel quark exchange with the target, which goes beyond the eikonal approximation. Throughout this study we follow the Color Glass Condensate approach, keep full dependence on the quark mass and consider the target to be unpolarized. We focus on the correlation limit in which the produced… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2303.12691v2-abstract-full').style.display = 'inline'; document.getElementById('2303.12691v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2303.12691v2-abstract-full" style="display: none;"> We study the production, in Deep Inelastic Scattering at high energy, of a quark-gluon dijet induced by $t$-channel quark exchange with the target, which goes beyond the eikonal approximation. Throughout this study we follow the Color Glass Condensate approach, keep full dependence on the quark mass and consider the target to be unpolarized. We focus on the correlation limit in which the produced jets fly almost back-to-back and find a factorized expression for the cross section, for both longitudinal and transverse photons, involving the unpolarized quark transverse momentum dependent distribution. Quark-gluon dijets can be distinguished from other types of dijets at least in the heavy quark case, thanks to heavy flavor tagging. In that case, the dominant background is expected to come from the eikonal production of a quark-antiquark-gluon system. We propose experimental cuts to suppress that background contribution, making the process of quark-gluon dijet production in Deep Inelastic Scattering a new method to probe the quark transverse momentum dependent distribution at the Electron Ion Collider. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2303.12691v2-abstract-full').style.display = 'none'; document.getElementById('2303.12691v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 5 October, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 22 March, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">11 pages, 2 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2301.09366">arXiv:2301.09366</a> <span> [<a href="https://arxiv.org/pdf/2301.09366">pdf</a>, <a href="https://arxiv.org/format/2301.09366">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.5506/APhysPolBSupp.16.5-A20">10.5506/APhysPolBSupp.16.5-A20 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Diffractive structure function in the dipole picture </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">G. Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=H%C3%A4nninen%2C+H">H. H盲nninen</a>, <a href="/search/hep-ph?searchtype=author&query=Lappi%2C+T">T. Lappi</a>, <a href="/search/hep-ph?searchtype=author&query=M%C3%A4ntysaari%2C+H">H. M盲ntysaari</a>, <a href="/search/hep-ph?searchtype=author&query=Mulian%2C+Y">Y. Mulian</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2301.09366v1-abstract-short" style="display: inline;"> We calculate the contribution from the $q\bar{q}g$ component of a virtual photon state to the small-$x$ diffractive cross section in deep inelastic scattering in the saturation regime. The obtained cross section is finite by itself and a part of the full next-to-leading order result. We perform the calculation in exact kinematics in the eikonal limit, and show that the previously known high virtua… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2301.09366v1-abstract-full').style.display = 'inline'; document.getElementById('2301.09366v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2301.09366v1-abstract-full" style="display: none;"> We calculate the contribution from the $q\bar{q}g$ component of a virtual photon state to the small-$x$ diffractive cross section in deep inelastic scattering in the saturation regime. The obtained cross section is finite by itself and a part of the full next-to-leading order result. We perform the calculation in exact kinematics in the eikonal limit, and show that the previously known high virtuality $Q^2$ and large invariant mass $M_X^2$ results for the structure functions can be extracted. We furthermore discuss the steps required to obtain the full next-to-leading order result. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2301.09366v1-abstract-full').style.display = 'none'; document.getElementById('2301.09366v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 23 January, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">6 pages, 1 figure. Presented by T.L. at "Diffraction and Low-x 2022," Corigliano Calabro, Italy, September 24-40, 2022</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Acta Phys. Pol. B Proc. Suppl. 16, 5-A20 (2023) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2212.10484">arXiv:2212.10484</a> <span> [<a href="https://arxiv.org/pdf/2212.10484">pdf</a>, <a href="https://arxiv.org/format/2212.10484">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.107.074016">10.1103/PhysRevD.107.074016 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> DIS dijet production at next-to-eikonal accuracy in the CGC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Altinoluk%2C+T">Tolga Altinoluk</a>, <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Czajka%2C+A">Alina Czajka</a>, <a href="/search/hep-ph?searchtype=author&query=Tymowska%2C+A">Arantxa Tymowska</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2212.10484v2-abstract-short" style="display: inline;"> We compute dijet production in Deep Inelastic Scattering at low $x$ in the dipole formalism at next-to-eikonal accuracy. We calculate the contributions induced by single photon exchange of either longitudinal or transverse polarization. We include all types of corrections to the eikonal approximation in the gluon background field: (i) finite longitudinal width of the target, (ii) interaction of th… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2212.10484v2-abstract-full').style.display = 'inline'; document.getElementById('2212.10484v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2212.10484v2-abstract-full" style="display: none;"> We compute dijet production in Deep Inelastic Scattering at low $x$ in the dipole formalism at next-to-eikonal accuracy. We calculate the contributions induced by single photon exchange of either longitudinal or transverse polarization. We include all types of corrections to the eikonal approximation in the gluon background field: (i) finite longitudinal width of the target, (ii) interaction of the quark-antiquark pair with the subleading (transverse) component of the background field and (iii) dynamics of the target which is encoded in the $z^-$-coordinate dependence of the background field. The final expressions for the dijet cross section are written as sum of a "generalized eikonal" contribution (where longitudinal momentum $p^+$ exchange between the target and the incoming quark-antiquark pair is allowed since the average $z^-$ dependence of the background field is kept) and explicit next-to-eikonal corrections that involve decorated dipole and quadrupole operators. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2212.10484v2-abstract-full').style.display = 'none'; document.getElementById('2212.10484v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 5 October, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 20 December, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">46 pages, 1 figure</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2206.13161">arXiv:2206.13161</a> <span> [<a href="https://arxiv.org/pdf/2206.13161">pdf</a>, <a href="https://arxiv.org/format/2206.13161">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.106.094014">10.1103/PhysRevD.106.094014 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Diffractive deep inelastic scattering at NLO in the dipole picture: the $q \bar q g$ contribution </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">G. Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=H%C3%A4nninen%2C+H">H. H盲nninen</a>, <a href="/search/hep-ph?searchtype=author&query=Lappi%2C+T">T. Lappi</a>, <a href="/search/hep-ph?searchtype=author&query=Mulian%2C+Y">Y. Mulian</a>, <a href="/search/hep-ph?searchtype=author&query=M%C3%A4ntysaari%2C+H">H. M盲ntysaari</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2206.13161v1-abstract-short" style="display: inline;"> We calculate the contribution from the $q \bar q g$ state production to the diffractive cross sections in deep inelastic scattering at high energy. The obtained cross section is finite by itself and a part of the full next-to-leading order result for the diffractive structure functions. We perform the calculation in exact kinematics in the eikonal limit, and show that the previously known high-… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2206.13161v1-abstract-full').style.display = 'inline'; document.getElementById('2206.13161v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2206.13161v1-abstract-full" style="display: none;"> We calculate the contribution from the $q \bar q g$ state production to the diffractive cross sections in deep inelastic scattering at high energy. The obtained cross section is finite by itself and a part of the full next-to-leading order result for the diffractive structure functions. We perform the calculation in exact kinematics in the eikonal limit, and show that the previously known high-$Q^2$ and large $M_X^2$ results for the structure functions can be extracted from our results in the appropriate limits. We furthermore discuss the steps required to obtain the full next-to-leading order results for the structure functions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2206.13161v1-abstract-full').style.display = 'none'; document.getElementById('2206.13161v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 June, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">32 pages, 12 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2204.11650">arXiv:2204.11650</a> <span> [<a href="https://arxiv.org/pdf/2204.11650">pdf</a>, <a href="https://arxiv.org/format/2204.11650">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1007/JHEP10(2022)184">10.1007/JHEP10(2022)184 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Dijet photoproduction at low $x$ at next-to-leading order and its back-to-back limit </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Taels%2C+P">Pieter Taels</a>, <a href="/search/hep-ph?searchtype=author&query=Altinoluk%2C+T">Tolga Altinoluk</a>, <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Marquet%2C+C">Cyrille Marquet</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2204.11650v2-abstract-short" style="display: inline;"> We compute the cross section for the inclusive photoproduction of a pair of jets at next-to-leading order accuracy in the Color Glass Condensate (CGC) effective theory. The aim is to study the back-to-back limit, to investigate whether transverse momentum dependent (TMD) factorization can be recovered at this order. In particular, we focus on the large Sudakov double logarithms, which are major in… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2204.11650v2-abstract-full').style.display = 'inline'; document.getElementById('2204.11650v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2204.11650v2-abstract-full" style="display: none;"> We compute the cross section for the inclusive photoproduction of a pair of jets at next-to-leading order accuracy in the Color Glass Condensate (CGC) effective theory. The aim is to study the back-to-back limit, to investigate whether transverse momentum dependent (TMD) factorization can be recovered at this order. In particular, we focus on the large Sudakov double logarithms, which are major ingredients of the TMD evolution. Interestingly, the kinematical improvement of the low-$x$ resummation scheme turns out to be a key ingredient in the analysis. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2204.11650v2-abstract-full').style.display = 'none'; document.getElementById('2204.11650v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 June, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 25 April, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">v2, introduction expanded, references added, minor typos corrected</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2204.02486">arXiv:2204.02486</a> <span> [<a href="https://arxiv.org/pdf/2204.02486">pdf</a>, <a href="https://arxiv.org/format/2204.02486">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.106.034013">10.1103/PhysRevD.106.034013 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Massive quarks in NLO dipole factorization for DIS: Transverse photon </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">G. Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Lappi%2C+T">T. Lappi</a>, <a href="/search/hep-ph?searchtype=author&query=Paatelainen%2C+R">R. Paatelainen</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2204.02486v1-abstract-short" style="display: inline;"> We calculate the light cone wave functions for the QCD Fock components in a transverse virtual photon necessary for applications at next-to-leading order in the QCD coupling, including quark masses. We present a detailed calculation of both the one loop wave function for the quark-antiquark Fock component and the tree level wave function for the quark-antiquark-gluon Fock component. The quark mass… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2204.02486v1-abstract-full').style.display = 'inline'; document.getElementById('2204.02486v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2204.02486v1-abstract-full" style="display: none;"> We calculate the light cone wave functions for the QCD Fock components in a transverse virtual photon necessary for applications at next-to-leading order in the QCD coupling, including quark masses. We present a detailed calculation of both the one loop wave function for the quark-antiquark Fock component and the tree level wave function for the quark-antiquark-gluon Fock component. The quark masses are renormalized in the pole mass scheme, satisfying constraints from the requirement of Lorentz invariance. In particular the quark Pauli form factor at NLO is recovered from the on-shell limit of the quark-antiquark Fock component. We use our result to calculate the next-to-leading order correction to the high energy deep inelastic scattering (DIS) transverse structure function on a dense target in the dipole factorization framework. Together with our earlier result for longitudinal photons, this completes the calculation of the total deep inelastic scattering cross section in the dipole picture with massive quarks at next-to-leading order, enabling a comparison with experimental data. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2204.02486v1-abstract-full').style.display = 'none'; document.getElementById('2204.02486v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 5 April, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2022. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">58 pages, 8 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> HIP-2021-47/TH </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2112.03158">arXiv:2112.03158</a> <span> [<a href="https://arxiv.org/pdf/2112.03158">pdf</a>, <a href="https://arxiv.org/ps/2112.03158">ps</a>, <a href="https://arxiv.org/format/2112.03158">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Theory">hep-th</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevLett.129.072001">10.1103/PhysRevLett.129.072001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Massive quarks at one loop in the dipole picture of Deep Inelastic Scattering </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">G. Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Lappi%2C+T">T. Lappi</a>, <a href="/search/hep-ph?searchtype=author&query=Paatelainen%2C+R">R. Paatelainen</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2112.03158v2-abstract-short" style="display: inline;"> We calculate the light cone wave functions for a virtual photon to split into quark-antiquark states, including for the first time quark masses at one loop accuracy. These wave functions can be used to calculate cross sections for several precision probes of perturbative gluon saturation at the Electron-Ion Collider. Using these wave functions we derive, for the first time, the dipole picture DIS… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2112.03158v2-abstract-full').style.display = 'inline'; document.getElementById('2112.03158v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2112.03158v2-abstract-full" style="display: none;"> We calculate the light cone wave functions for a virtual photon to split into quark-antiquark states, including for the first time quark masses at one loop accuracy. These wave functions can be used to calculate cross sections for several precision probes of perturbative gluon saturation at the Electron-Ion Collider. Using these wave functions we derive, for the first time, the dipole picture DIS cross sections at one loop for longitudinal and transverse virtual photons including quark masses. The quark masses are renormalized in the pole mass scheme, satisfying constraints from the requirement of Lorentz invariance of the quark Dirac and Pauli form factors. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2112.03158v2-abstract-full').style.display = 'none'; document.getElementById('2112.03158v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 7 April, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 6 December, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">10 pages, 7 figures. v2: references added/updated, typos fixed</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> HIP-2021-46/TH </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2109.01620">arXiv:2109.01620</a> <span> [<a href="https://arxiv.org/pdf/2109.01620">pdf</a>, <a href="https://arxiv.org/ps/2109.01620">ps</a>, <a href="https://arxiv.org/format/2109.01620">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.105.074026">10.1103/PhysRevD.105.074026 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Quark and scalar propagators at next-to-eikonal accuracy in the CGC through a dynamical background gluon field </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Altinoluk%2C+T">Tolga Altinoluk</a>, <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2109.01620v3-abstract-short" style="display: inline;"> We revisit the calculation of quark and scalar propagators in a gluon background field at Next-to-Eikonal accuracy, which will provide the first power correction to scattering processes in the high-energy limit, including gluon saturation effects. The two main results of our study are as follows. First, we derive a very general Next-to-Eikonal expansion of the quark propagator in terms of the scal… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2109.01620v3-abstract-full').style.display = 'inline'; document.getElementById('2109.01620v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2109.01620v3-abstract-full" style="display: none;"> We revisit the calculation of quark and scalar propagators in a gluon background field at Next-to-Eikonal accuracy, which will provide the first power correction to scattering processes in the high-energy limit, including gluon saturation effects. The two main results of our study are as follows. First, we derive a very general Next-to-Eikonal expansion of the quark propagator in terms of the scalar propagator, which allows us to isolate spinor-specific Next-to-Eikonal corrections from the universal ones. Second, we present a new method allowing, for the first time, a systematic calculation of the Next-to-Eikonal corrections coming from the $x^-$ dependence of the background field. This opens the possibility to study high-energy scattering processes on a target with non-trivial dynamics instead of on a static one, by going beyond infinite Lorentz time dilation of the target. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2109.01620v3-abstract-full').style.display = 'none'; document.getElementById('2109.01620v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 April, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 3 September, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">46 pages. This version includes an improved discussion of the power counting used for subeikonal corrections. The derivation of next-to-eikonal effects associated with the dynamics of the target is also significantly improved, and exposed in the new appendix D</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 105 (2022) 7, 074026 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2103.14549">arXiv:2103.14549</a> <span> [<a href="https://arxiv.org/pdf/2103.14549">pdf</a>, <a href="https://arxiv.org/ps/2103.14549">ps</a>, <a href="https://arxiv.org/format/2103.14549">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.104.056032">10.1103/PhysRevD.104.056032 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Massive quarks in NLO dipole factorization for DIS: Longitudinal photon </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">G. Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Lappi%2C+T">T. Lappi</a>, <a href="/search/hep-ph?searchtype=author&query=Paatelainen%2C+R">R. Paatelainen</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2103.14549v3-abstract-short" style="display: inline;"> In this work, we will present the first complete calculation of the one-loop longitudinal photon-to-quark-antiquark light cone wave function, with massive quarks. The quark masses are renormalized in the pole mass scheme. The result is used to calculate the next-to-leading order correction to the high energy Deep Inelastic Scattering longitudinal structure function on a dense target in the dipole… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2103.14549v3-abstract-full').style.display = 'inline'; document.getElementById('2103.14549v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2103.14549v3-abstract-full" style="display: none;"> In this work, we will present the first complete calculation of the one-loop longitudinal photon-to-quark-antiquark light cone wave function, with massive quarks. The quark masses are renormalized in the pole mass scheme. The result is used to calculate the next-to-leading order correction to the high energy Deep Inelastic Scattering longitudinal structure function on a dense target in the dipole factorization framework. For massless quarks the next-to-leading order correction was already known to be sizeable, and our result makes it possible to evaluate it also for massive quarks. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2103.14549v3-abstract-full').style.display = 'none'; document.getElementById('2103.14549v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 7 April, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 26 March, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">v2: 42 pages, 5 figures, published version. v3: typos in eqs. 111 and 166 fixed</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> HIP-2021/TH </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 104, 056032 (2021) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2012.03886">arXiv:2012.03886</a> <span> [<a href="https://arxiv.org/pdf/2012.03886">pdf</a>, <a href="https://arxiv.org/format/2012.03886">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.104.014019">10.1103/PhysRevD.104.014019 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Quarks at next-to-eikonal accuracy in the CGC I: Forward quark-nucleus scattering </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Altinoluk%2C+T">Tolga Altinoluk</a>, <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Czajka%2C+A">Alina Czajka</a>, <a href="/search/hep-ph?searchtype=author&query=Tymowska%2C+A">Arantxa Tymowska</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2012.03886v2-abstract-short" style="display: inline;"> We derive Next-to-Eikonal (NEik) corrections to the background quark propagator, which stem from (i) considering a finite longitudinal width target instead of an infinitely thin shockwave and (ii) including the interaction of the quark with the transverse components of the background field. These two different corrections to the eikonal approximation combine together and provides a gauge covariant… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2012.03886v2-abstract-full').style.display = 'inline'; document.getElementById('2012.03886v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2012.03886v2-abstract-full" style="display: none;"> We derive Next-to-Eikonal (NEik) corrections to the background quark propagator, which stem from (i) considering a finite longitudinal width target instead of an infinitely thin shockwave and (ii) including the interaction of the quark with the transverse components of the background field. These two different corrections to the eikonal approximation combine together and provides a gauge covariant expression for the quark propagator at NEik accuracy. We then apply our results to quark (or antiquark) scattering on a nucleus at NEik accuracy, considering both unpolarized cross section and helicity asymmetry. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2012.03886v2-abstract-full').style.display = 'none'; document.getElementById('2012.03886v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 24 March, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 7 December, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">47 pages, 2 figures. A new appendix and extra discussions are added, some typos are corrected, new references are added, acknowledgments are modified. Results and conclusions are unchanged</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 104, 014019 (2021) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2008.05233">arXiv:2008.05233</a> <span> [<a href="https://arxiv.org/pdf/2008.05233">pdf</a>, <a href="https://arxiv.org/format/2008.05233">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> </div> <p class="title is-5 mathjax"> Dipole model at Next-to-Leading Order meets HERA data </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">G. Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=H%C3%A4nninen%2C+H">H. H盲nninen</a>, <a href="/search/hep-ph?searchtype=author&query=Lappi%2C+T">T. Lappi</a>, <a href="/search/hep-ph?searchtype=author&query=M%C3%A4ntysaari%2C+H">H. M盲ntysaari</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2008.05233v1-abstract-short" style="display: inline;"> Deep inelastic scattering (DIS) total cross section data at small-x as measured by the HERA experiments is well described by Balitsky-Kovchegov (BK) evolution in the leading order dipole picture. Recently the full Next-to-Leading Order (NLO) dipole picture total cross sections have become available for DIS, and a working factorization scheme has been devised which subtracts the soft gluon divergen… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2008.05233v1-abstract-full').style.display = 'inline'; document.getElementById('2008.05233v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2008.05233v1-abstract-full" style="display: none;"> Deep inelastic scattering (DIS) total cross section data at small-x as measured by the HERA experiments is well described by Balitsky-Kovchegov (BK) evolution in the leading order dipole picture. Recently the full Next-to-Leading Order (NLO) dipole picture total cross sections have become available for DIS, and a working factorization scheme has been devised which subtracts the soft gluon divergence present at NLO. We report our recently published work in which we make the first comparisons of the NLO DIS total cross sections to HERA data. The non-perturbative initial condition to BK evolution is fixed by fitting the HERA reduced cross section data. As the NLO results for the DIS total cross section are currently available only in the massless quark limit, we also fit a light-quark-only cross section constructed with a parametrization of published total and heavy quark data. We find an excellent description of the HERA data. Since the full NLO BK equation is computationally expensive, we use a number of beyond LO prescriptions for the evolution that include most important higher order corrections enhanced by large transverse logarithms, including the recent version of the equation formulated in terms of the target momentum fraction. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2008.05233v1-abstract-full').style.display = 'none'; document.getElementById('2008.05233v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 12 August, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">5 pages, 4 figures. Prepared for the proceedings of the Hard Probes 2020: 10th International Conference on Hard and Electromagnetic Probes of High-Energy Nuclear Collisions</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2007.01645">arXiv:2007.01645</a> <span> [<a href="https://arxiv.org/pdf/2007.01645">pdf</a>, <a href="https://arxiv.org/format/2007.01645">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.102.074028">10.1103/PhysRevD.102.074028 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Color Glass Condensate at next-to-leading order meets HERA data </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">G. Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=H%C3%A4nninen%2C+H">H. H盲nninen</a>, <a href="/search/hep-ph?searchtype=author&query=Lappi%2C+T">T. Lappi</a>, <a href="/search/hep-ph?searchtype=author&query=M%C3%A4ntysaari%2C+H">H. M盲ntysaari</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="2007.01645v2-abstract-short" style="display: inline;"> We perform the first dipole picture fit to HERA inclusive cross section data using the full next-to-leading order (NLO) impact factor combined with an improved Balitsky-Kovchegov evolution including the dominant effects beyond leading logarithmic accuracy at low $x$. We find that three different formulations of the evolution equation that have been proposed in the recent literature result in a ver… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2007.01645v2-abstract-full').style.display = 'inline'; document.getElementById('2007.01645v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2007.01645v2-abstract-full" style="display: none;"> We perform the first dipole picture fit to HERA inclusive cross section data using the full next-to-leading order (NLO) impact factor combined with an improved Balitsky-Kovchegov evolution including the dominant effects beyond leading logarithmic accuracy at low $x$. We find that three different formulations of the evolution equation that have been proposed in the recent literature result in a very similar description of HERA data, and robust predictions for future deep inelastic scattering experiments. We find evidence pointing towards a significant nonperturbative contribution to the structure function for light quarks, which stresses the need to extend the NLO impact factor calculation to massive quarks. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2007.01645v2-abstract-full').style.display = 'none'; document.getElementById('2007.01645v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 November, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 3 July, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">20 pages, 9 figures. v2: matches published version. Fit results available at https://doi.org/10.5281/zenodo.4229269</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 102, 074028 (2020) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1708.06557">arXiv:1708.06557</a> <span> [<a href="https://arxiv.org/pdf/1708.06557">pdf</a>, <a href="https://arxiv.org/format/1708.06557">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.96.074033">10.1103/PhysRevD.96.074033 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Dipole factorization for DIS at NLO: Combining the $q\bar{q}$ and $q\bar{q}g$ contributions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1708.06557v1-abstract-short" style="display: inline;"> The NLO corrections to the DIS structure functions $F_2$ and $F_L$ (or equivalently the photon-target cross sections $蟽^{纬^*}_{T}$ and $蟽^{纬^*}_{L}$) at low $x_{Bj}$ are obtained, as a generalization of the dipole factorization formula. For the first time, the contributions of both the $q\bar{q}$ and the $q\bar{q}g$ Fock states in the photon are directly calculated, using earlier results for the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1708.06557v1-abstract-full').style.display = 'inline'; document.getElementById('1708.06557v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1708.06557v1-abstract-full" style="display: none;"> The NLO corrections to the DIS structure functions $F_2$ and $F_L$ (or equivalently the photon-target cross sections $蟽^{纬^*}_{T}$ and $蟽^{纬^*}_{L}$) at low $x_{Bj}$ are obtained, as a generalization of the dipole factorization formula. For the first time, the contributions of both the $q\bar{q}$ and the $q\bar{q}g$ Fock states in the photon are directly calculated, using earlier results for the $q\bar{q}$ light-front wave-functions at one loop inside a dressed virtual photon. Both the $q\bar{q}$ and the $q\bar{q}g$ contributions have UV divergences, which are shown to cancel each other, using conventional dimensional regularization as UV regulator. Finally, the resummation of high-energy logarithms on top of the NLO results for $蟽^{纬^*}_{T}$ and $蟽^{纬^*}_{L}$ is discussed. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1708.06557v1-abstract-full').style.display = 'none'; document.getElementById('1708.06557v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 22 August, 2017; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2017. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">37 pages, 1 figure</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 96, 074033 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1610.03020">arXiv:1610.03020</a> <span> [<a href="https://arxiv.org/pdf/1610.03020">pdf</a>, <a href="https://arxiv.org/ps/1610.03020">ps</a>, <a href="https://arxiv.org/format/1610.03020">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.95.034025">10.1103/PhysRevD.95.034025 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Quark correlations in the Color Glass Condensate: Pauli blocking and the ridge </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Altinoluk%2C+T">Tolga Altinoluk</a>, <a href="/search/hep-ph?searchtype=author&query=Armesto%2C+N">Nestor Armesto</a>, <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Kovner%2C+A">Alex Kovner</a>, <a href="/search/hep-ph?searchtype=author&query=Lublinsky%2C+M">Michael Lublinsky</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1610.03020v2-abstract-short" style="display: inline;"> We consider, for the first time, correlations between produced quarks in p-A collisions in the framework of the Color Glass Condensate. We find a quark-quark ridge that shows a dip at $螖畏\sim 2$ relative to the gluon-gluon ridge. The origin of this dip is the short range (in rapidity) Pauli blocking experienced by quarks in the wave function of the incoming projectile. We observe that these correl… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1610.03020v2-abstract-full').style.display = 'inline'; document.getElementById('1610.03020v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1610.03020v2-abstract-full" style="display: none;"> We consider, for the first time, correlations between produced quarks in p-A collisions in the framework of the Color Glass Condensate. We find a quark-quark ridge that shows a dip at $螖畏\sim 2$ relative to the gluon-gluon ridge. The origin of this dip is the short range (in rapidity) Pauli blocking experienced by quarks in the wave function of the incoming projectile. We observe that these correlations, present in the initial state, survive the scattering process. We suggest that this effect may be observable in open charm-open charm correlations at the Large Hadron Collider. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1610.03020v2-abstract-full').style.display = 'none'; document.getElementById('1610.03020v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 17 February, 2017; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 10 October, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">32 pages, 9 figures; explanations added, some algebraic errors corrected, results unchanged, version accepted for publication in PRD</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 95, 034025 (2017) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1606.00777">arXiv:1606.00777</a> <span> [<a href="https://arxiv.org/pdf/1606.00777">pdf</a>, <a href="https://arxiv.org/format/1606.00777">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.94.054016">10.1103/PhysRevD.94.054016 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Dipole factorization for DIS at NLO I: Loop correction to the photon to quark-antiquark light-front wave-functions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1606.00777v2-abstract-short" style="display: inline;"> The one-loop QCD corrections to the light-front wave-function for the quark-antiquark Fock state inside a transverse or longitudinal off-shell photon are explicitly calculated, both in full momentum space and in mixed space (a.k.a. dipole space). These results provide one of the main contributions to virtual NLO corrections to many DIS observables (inclusive or not) in the dipole factorization for… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1606.00777v2-abstract-full').style.display = 'inline'; document.getElementById('1606.00777v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1606.00777v2-abstract-full" style="display: none;"> The one-loop QCD corrections to the light-front wave-function for the quark-antiquark Fock state inside a transverse or longitudinal off-shell photon are explicitly calculated, both in full momentum space and in mixed space (a.k.a. dipole space). These results provide one of the main contributions to virtual NLO corrections to many DIS observables (inclusive or not) in the dipole factorization formalism at low Bjorken x. In a follow-up article, these one-loop corrections are combined with earlier results on the wave-function for the quark-antiquark-gluon Fock state, in order to get the full set of NLO corrections to the DIS structure functions $F_2$ and $F_L$ in the dipole factorization formalism, valid at low Bjorken x. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1606.00777v2-abstract-full').style.display = 'none'; document.getElementById('1606.00777v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 12 October, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 2 June, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2016. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">47 pages, 3 figures; version 2 includes minor corrections</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 94, 054016 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1511.09415">arXiv:1511.09415</a> <span> [<a href="https://arxiv.org/pdf/1511.09415">pdf</a>, <a href="https://arxiv.org/format/1511.09415">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.93.054049">10.1103/PhysRevD.93.054049 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Heavy quarks in proton-nucleus collisions - the hybrid formalism </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Altinoluk%2C+T">Tolga Altinoluk</a>, <a href="/search/hep-ph?searchtype=author&query=Armesto%2C+N">N茅stor Armesto</a>, <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Kovner%2C+A">Alex Kovner</a>, <a href="/search/hep-ph?searchtype=author&query=Lublinsky%2C+M">Michael Lublinsky</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1511.09415v1-abstract-short" style="display: inline;"> We explore the quark mass effects on inclusive hadron production in proton-nucleus collisions at high energies. We consider two processes. First, we compute the single inclusive cross-section for production of hadrons with open heavy flavour in the proton forward direction at leading order. Next, in the same kinematics, we calculate the heavy-quark contribution to single inclusive production of li… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1511.09415v1-abstract-full').style.display = 'inline'; document.getElementById('1511.09415v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1511.09415v1-abstract-full" style="display: none;"> We explore the quark mass effects on inclusive hadron production in proton-nucleus collisions at high energies. We consider two processes. First, we compute the single inclusive cross-section for production of hadrons with open heavy flavour in the proton forward direction at leading order. Next, in the same kinematics, we calculate the heavy-quark contribution to single inclusive production of light or unidentified hadrons at next-to-leading-order. For both studies we exploit the hybrid formalism, that is the collinear factorisation on the proton side while high-density and high-energy effects are resummed on the side of the nucleus. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1511.09415v1-abstract-full').style.display = 'none'; document.getElementById('1511.09415v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 30 November, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">34 pages, 3 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 93, 054049 (2016) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1511.07452">arXiv:1511.07452</a> <span> [<a href="https://arxiv.org/pdf/1511.07452">pdf</a>, <a href="https://arxiv.org/ps/1511.07452">ps</a>, <a href="https://arxiv.org/format/1511.07452">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.physletb.2016.05.032">10.1016/j.physletb.2016.05.032 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Diffractive Dijet Production in Deep Inelastic Scattering and Photon-Hadron Collisions in the Color Glass Condensate </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Altinoluk%2C+T">Tolga Altinoluk</a>, <a href="/search/hep-ph?searchtype=author&query=Armesto%2C+N">N茅stor Armesto</a>, <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Rezaeian%2C+A+H">Amir H. Rezaeian</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1511.07452v2-abstract-short" style="display: inline;"> We study exclusive dijet production in coherent diffractive processes in deep inelastic scattering and real (and virtual) photon-hadron ($纬^{(*)}$-h) collisions in the Color Glass Condensate formalism at leading order. We show that the diffractive dijet cross section is sensitive to the color-dipole orientation in the transverse plane, and is a good probe of possible correlations between the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1511.07452v2-abstract-full').style.display = 'inline'; document.getElementById('1511.07452v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1511.07452v2-abstract-full" style="display: none;"> We study exclusive dijet production in coherent diffractive processes in deep inelastic scattering and real (and virtual) photon-hadron ($纬^{(*)}$-h) collisions in the Color Glass Condensate formalism at leading order. We show that the diffractive dijet cross section is sensitive to the color-dipole orientation in the transverse plane, and is a good probe of possible correlations between the $q\bar{q}$-dipole transverse separation vector $\r$ and the dipole impact parameter $\b$. We also investigate the diffractive dijet azimuthal angle correlations and $t$-distributions in $纬^{(*)}$-h collisions and show that they are sensitive to gluon saturation effects in the small-$x$ region. In particular, we show that the $t$-distribution of diffractive dijet photo-production off a proton target exhibits a dip-type structure in the saturation region. This effect is similar to diffractive vector meson production. Besides, at variance with the inclusive case, the effect of saturation leads to stronger azimuthal correlations between the jets. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1511.07452v2-abstract-full').style.display = 'none'; document.getElementById('1511.07452v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 12 May, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 23 November, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">15 pages, 10 figures; v2: a clarifying Appendix added, 3 new plots added, references added. The version to appear in PLB</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Lett.B758:373-383,2016 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1509.03223">arXiv:1509.03223</a> <span> [<a href="https://arxiv.org/pdf/1509.03223">pdf</a>, <a href="https://arxiv.org/ps/1509.03223">ps</a>, <a href="https://arxiv.org/format/1509.03223">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.physletb.2015.11.033">10.1016/j.physletb.2015.11.033 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Hanbury-Brown-Twiss measurements at large rapidity separations, or can we measure the proton radius in p-A collisions? </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Altinoluk%2C+T">T. Altinoluk</a>, <a href="/search/hep-ph?searchtype=author&query=Armesto%2C+N">N. Armesto</a>, <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">G. Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Kovner%2C+A">A. Kovner</a>, <a href="/search/hep-ph?searchtype=author&query=Lublinsky%2C+M">M. Lublinsky</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1509.03223v2-abstract-short" style="display: inline;"> We point out that current calculations of inclusive two-particle correlations in p-A collisions based on the Color Glass Condensate approach exhibit a contribution from Hanbury-Brown-Twiss correlations. These HBT correlations are quite distinct from the standard ones, in that they are apparent for particles widely separated in rapidity. The transverse size of the emitter which is reflected in thes… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1509.03223v2-abstract-full').style.display = 'inline'; document.getElementById('1509.03223v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1509.03223v2-abstract-full" style="display: none;"> We point out that current calculations of inclusive two-particle correlations in p-A collisions based on the Color Glass Condensate approach exhibit a contribution from Hanbury-Brown-Twiss correlations. These HBT correlations are quite distinct from the standard ones, in that they are apparent for particles widely separated in rapidity. The transverse size of the emitter which is reflected in these correlations is the gluonic size of the proton. This raises an interesting possibility of measuring the proton size directly by the HBT effect of particle pairs produced in p-A collisions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1509.03223v2-abstract-full').style.display = 'none'; document.getElementById('1509.03223v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 12 November, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 10 September, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">11 pages, 3 eps figures; v2: comments, discussions, references and acknowledgements added, conclusions unchanged, final version</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1505.01400">arXiv:1505.01400</a> <span> [<a href="https://arxiv.org/pdf/1505.01400">pdf</a>, <a href="https://arxiv.org/format/1505.01400">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1007/JHEP01(2016)114">10.1007/JHEP01(2016)114 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Next-to-next-to-eikonal corrections in the CGC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Altinoluk%2C+T">Tolga Altinoluk</a>, <a href="/search/hep-ph?searchtype=author&query=Armesto%2C+N">N茅stor Armesto</a>, <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Moscoso%2C+A">Alexis Moscoso</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1505.01400v1-abstract-short" style="display: inline;"> We extend the study of corrections to the eikonal approximation that was initiated in Ref. \cite{Altinoluk:2014oxa} to higher orders. These corrections associated with the finite width of the target are investigated and the gluon propagator in background field is calculated at next-to-next-to-eikonal accuracy. The result is then applied to the single inclusive gluon production cross section at cen… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1505.01400v1-abstract-full').style.display = 'inline'; document.getElementById('1505.01400v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1505.01400v1-abstract-full" style="display: none;"> We extend the study of corrections to the eikonal approximation that was initiated in Ref. \cite{Altinoluk:2014oxa} to higher orders. These corrections associated with the finite width of the target are investigated and the gluon propagator in background field is calculated at next-to-next-to-eikonal accuracy. The result is then applied to the single inclusive gluon production cross section at central rapidities and the light-front helicity asymmetry, in pA collisions, in order to analyse these observables beyond the eikonal limit. The next-to-next-to-eikonal corrections to the unpolarized cross section are non-zero and provide the first corrections to the usual $k_\perp$-factorized expression. In contrast, the eikonal and next-to-next-to-eikonal contributions to the helicity asymmetry vanish, while the next-to-eikonal ones are non-zero. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1505.01400v1-abstract-full').style.display = 'none'; document.getElementById('1505.01400v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 6 May, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">32 pages</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1503.07126">arXiv:1503.07126</a> <span> [<a href="https://arxiv.org/pdf/1503.07126">pdf</a>, <a href="https://arxiv.org/ps/1503.07126">ps</a>, <a href="https://arxiv.org/format/1503.07126">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> </div> <p class="title is-5 mathjax"> Bose enhancement and the ridge </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Altinoluk%2C+T">Tolga Altinoluk</a>, <a href="/search/hep-ph?searchtype=author&query=Armesto%2C+N">N茅stor Armesto</a>, <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Kovner%2C+A">Alex Kovner</a>, <a href="/search/hep-ph?searchtype=author&query=Lublinsky%2C+M">Michael Lublinsky</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1503.07126v2-abstract-short" style="display: inline;"> We point out that Bose enhancement in a hadronic wave function generically leads to correlations between produced particles. We show explicitly, by calculating the projectile density matrix in the Color Glass Condensate approach to high-energy hadronic collisions, that the Bose enhancement of gluons in the projectile leads to azimuthal collimation of long range rapidity correlations of the produce… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1503.07126v2-abstract-full').style.display = 'inline'; document.getElementById('1503.07126v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1503.07126v2-abstract-full" style="display: none;"> We point out that Bose enhancement in a hadronic wave function generically leads to correlations between produced particles. We show explicitly, by calculating the projectile density matrix in the Color Glass Condensate approach to high-energy hadronic collisions, that the Bose enhancement of gluons in the projectile leads to azimuthal collimation of long range rapidity correlations of the produced particles, the so-called ridge correlations. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1503.07126v2-abstract-full').style.display = 'none'; document.getElementById('1503.07126v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 26 October, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 24 March, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">5 pages, 1 figure; v2: 6 pages, 1 figure, discussions enlarged and technical details added, figure changed, final version</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1411.2869">arXiv:1411.2869</a> <span> [<a href="https://arxiv.org/pdf/1411.2869">pdf</a>, <a href="https://arxiv.org/format/1411.2869">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.91.094016">10.1103/PhysRevD.91.094016 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Single-inclusive particle production in proton-nucleus collisions at next-to-leading order in the hybrid formalism </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Altinoluk%2C+T">Tolga Altinoluk</a>, <a href="/search/hep-ph?searchtype=author&query=Armesto%2C+N">Nestor Armesto</a>, <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Kovner%2C+A">Alex Kovner</a>, <a href="/search/hep-ph?searchtype=author&query=Lublinsky%2C+M">Michael Lublinsky</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1411.2869v2-abstract-short" style="display: inline;"> We reconsider the perturbative next-to-leading calculation of the single inclusive hadron production in the framework of the hybrid formalism, applied to hadron production in proton-nucleus collisions. Our analysis, performed in the wave function approach, differs from the previous works in three points. First, we are careful to specify unambiguously the rapidity interval that has to be included i… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1411.2869v2-abstract-full').style.display = 'inline'; document.getElementById('1411.2869v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1411.2869v2-abstract-full" style="display: none;"> We reconsider the perturbative next-to-leading calculation of the single inclusive hadron production in the framework of the hybrid formalism, applied to hadron production in proton-nucleus collisions. Our analysis, performed in the wave function approach, differs from the previous works in three points. First, we are careful to specify unambiguously the rapidity interval that has to be included in the evolution of the leading-order eikonal scattering amplitude. This is important, since varying this interval by a number of order unity changes the next-to-leading order correction that the calculation is meant to determine. Second, we introduce the explicit requirement that fast fluctuations in the projectile wave function which only exist for a short time are not resolved by the target. This Ioffe time cutoff also strongly affects the next-to-leading order terms. Third, our result does not employ the approximation of a large number of colors. Our final expressions are unambiguous and do not coincide at next-to-leading order with the results available in the literature. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1411.2869v2-abstract-full').style.display = 'none'; document.getElementById('1411.2869v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 1 December, 2014; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 11 November, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2014. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">43 pages, 1 figure, Appendix added, references added, misprints corrected</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 91, 094016 (2015) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1404.2219">arXiv:1404.2219</a> <span> [<a href="https://arxiv.org/pdf/1404.2219">pdf</a>, <a href="https://arxiv.org/format/1404.2219">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1007/JHEP07(2014)068">10.1007/JHEP07(2014)068 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Next-to-eikonal corrections in the CGC: gluon production and spin asymmetries in pA collisions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Altinoluk%2C+T">Tolga Altinoluk</a>, <a href="/search/hep-ph?searchtype=author&query=Armesto%2C+N">N茅stor Armesto</a>, <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Mart%C3%ADnez%2C+M">Mauricio Mart铆nez</a>, <a href="/search/hep-ph?searchtype=author&query=Salgado%2C+C+A">Carlos A. Salgado</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1404.2219v2-abstract-short" style="display: inline;"> We present a new method to systematically include corrections to the eikonal approximation in the background field formalism. Specifically, we calculate the subleading, power-suppressed corrections due to the finite width of the target or the finite energy of the projectile. Such power-suppressed corrections involve Wilson lines decorated by gradients of the background field - thus related to the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1404.2219v2-abstract-full').style.display = 'inline'; document.getElementById('1404.2219v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1404.2219v2-abstract-full" style="display: none;"> We present a new method to systematically include corrections to the eikonal approximation in the background field formalism. Specifically, we calculate the subleading, power-suppressed corrections due to the finite width of the target or the finite energy of the projectile. Such power-suppressed corrections involve Wilson lines decorated by gradients of the background field - thus related to the density - of the target. The method is of generic applicability. As a first example, we study single inclusive gluon production in pA collisions, and various related spin asymmetries, beyond the eikonal accuracy. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1404.2219v2-abstract-full').style.display = 'none'; document.getElementById('1404.2219v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 5 May, 2014; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 8 April, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2014. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">34 pages, new reference added, some typos corrected</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1401.0313">arXiv:1401.0313</a> <span> [<a href="https://arxiv.org/pdf/1401.0313">pdf</a>, <a href="https://arxiv.org/ps/1401.0313">ps</a>, <a href="https://arxiv.org/format/1401.0313">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.89.074039">10.1103/PhysRevD.89.074039 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Improving the kinematics for low-x QCD evolution equations in coordinate space </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1401.0313v1-abstract-short" style="display: inline;"> High-energy evolution equations, such as the BFKL, BK or JIMWLK equations, aim at resumming the high-energy (next-to-)leading logarithms appearing in QCD perturbative series. However, the standard derivations of those equations are performed in a strict high-energy limit, whereas such equations are then applied to scattering processes at large but finite energies. For that reason, there is typical… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1401.0313v1-abstract-full').style.display = 'inline'; document.getElementById('1401.0313v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1401.0313v1-abstract-full" style="display: none;"> High-energy evolution equations, such as the BFKL, BK or JIMWLK equations, aim at resumming the high-energy (next-to-)leading logarithms appearing in QCD perturbative series. However, the standard derivations of those equations are performed in a strict high-energy limit, whereas such equations are then applied to scattering processes at large but finite energies. For that reason, there is typically a slight mismatch between the leading logs resummed by those evolution equations without finite-energy corrections and the leading logs actually present in the perturbative expansion of any observable. That mismatch is one of the sources of large corrections at NLO and NLL accuracy. In the case of the BFKL equation in momentum space, that problem is solved by including a kinematical constraint in the kernel, which is the most important finite-energy correction. In this paper, such an improvement of kinematics is performed in mixed-space (transverse positions and $k^+$) and with a factorization scheme in the light-cone momentum $k^+$ (in a frame in which the projectile is right-moving and the target left-moving). This is the usual choice of variables and factorization scheme for the the BK equation. A kinematically improved version of the BK equation is provided, consistent at finite energies. The results presented here are also a necessary step towards having the high energy limit of QCD (including gluon saturation) quantitatively under control beyond strict leading logarithmic accuracy. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1401.0313v1-abstract-full').style.display = 'none'; document.getElementById('1401.0313v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 1 January, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2014. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">42 pages, 4 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 89, 074039 (2014) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1301.0773">arXiv:1301.0773</a> <span> [<a href="https://arxiv.org/pdf/1301.0773">pdf</a>, <a href="https://arxiv.org/ps/1301.0773">ps</a>, <a href="https://arxiv.org/format/1301.0773">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1742-6596/422/1/012026">10.1088/1742-6596/422/1/012026 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Gluon saturation at higher orders and improvement of kinematics </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1301.0773v1-abstract-short" style="display: inline;"> Standard perturbative calculations lead to pathologically large NLO corrections to low-$x_{Bj}$ evolution equations like BFKL and BK. Using a more refined treatment of kinematics in mixed-space, relevant when gluon saturation sets on, one obtains an improved version of the BK equation, resumming to all orders the most severe of those large higher order corrections. </span> <span class="abstract-full has-text-grey-dark mathjax" id="1301.0773v1-abstract-full" style="display: none;"> Standard perturbative calculations lead to pathologically large NLO corrections to low-$x_{Bj}$ evolution equations like BFKL and BK. Using a more refined treatment of kinematics in mixed-space, relevant when gluon saturation sets on, one obtains an improved version of the BK equation, resumming to all orders the most severe of those large higher order corrections. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1301.0773v1-abstract-full').style.display = 'none'; document.getElementById('1301.0773v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 January, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2013. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">4 pages, Proceedings of the conference: Heavy Ion Collisions in the LHC Era, Quy Nhon, Vietnam, July 16-20, 2012. Accepted for publication in Journal of Physics: Conference Series (JPCS)</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1112.4501">arXiv:1112.4501</a> <span> [<a href="https://arxiv.org/pdf/1112.4501">pdf</a>, <a href="https://arxiv.org/ps/1112.4501">ps</a>, <a href="https://arxiv.org/format/1112.4501">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.85.034039">10.1103/PhysRevD.85.034039 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> NLO corrections for the dipole factorization of DIS structure functions at low x </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1112.4501v2-abstract-short" style="display: inline;"> The NLO generalization of the dipole factorization formula for the structure functions F_2 and F_L at low x is calculated using light front perturbation theory. That result gives some interesting insight into the kinematics of initial state parton showers in mixed space. </span> <span class="abstract-full has-text-grey-dark mathjax" id="1112.4501v2-abstract-full" style="display: none;"> The NLO generalization of the dipole factorization formula for the structure functions F_2 and F_L at low x is calculated using light front perturbation theory. That result gives some interesting insight into the kinematics of initial state parton showers in mixed space. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1112.4501v2-abstract-full').style.display = 'none'; document.getElementById('1112.4501v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 12 March, 2012; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 19 December, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2011. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">21 pages, 4 figures. Some corrections to the bibliography and to Eq.(29) are done in the version 2</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 85, 034039 (2012) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1111.4440">arXiv:1111.4440</a> <span> [<a href="https://arxiv.org/pdf/1111.4440">pdf</a>, <a href="https://arxiv.org/ps/1111.4440">ps</a>, <a href="https://arxiv.org/format/1111.4440">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1063/1.3700516">10.1063/1.3700516 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Gluon Saturation in QCD at High Energy: Beyond Leading Logarithms </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1111.4440v1-abstract-short" style="display: inline;"> Progresses towards the calculation and the understanding of NLO/NLL contributions to Deep Inelastic Scattering at low x with gluon saturation are being reviewed. </span> <span class="abstract-full has-text-grey-dark mathjax" id="1111.4440v1-abstract-full" style="display: none;"> Progresses towards the calculation and the understanding of NLO/NLL contributions to Deep Inelastic Scattering at low x with gluon saturation are being reviewed. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1111.4440v1-abstract-full').style.display = 'none'; document.getElementById('1111.4440v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 18 November, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2011. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">3 pages, to appear in the proceedings of PANIC 11 (July 24th--29th, 2011, at MIT, Cambridge, MA, USA)</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1109.0547">arXiv:1109.0547</a> <span> [<a href="https://arxiv.org/pdf/1109.0547">pdf</a>, <a href="https://arxiv.org/ps/1109.0547">ps</a>, <a href="https://arxiv.org/format/1109.0547">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1142/S2010194511001565">10.1142/S2010194511001565 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> High-energy factorization and evolution with improved kinematics </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1109.0547v1-abstract-short" style="display: inline;"> The high-energy factorization and the associated B-JIMWLK or BK evolution equations are presented, using the example of DIS structure functions. The necessity of taking gluon saturation into account is discussed, and also the various approximations underlying high-energy factorization. The appearance of large NLL corrections in such a framework with or without gluon saturation is recalled, and the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1109.0547v1-abstract-full').style.display = 'inline'; document.getElementById('1109.0547v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1109.0547v1-abstract-full" style="display: none;"> The high-energy factorization and the associated B-JIMWLK or BK evolution equations are presented, using the example of DIS structure functions. The necessity of taking gluon saturation into account is discussed, and also the various approximations underlying high-energy factorization. The appearance of large NLL corrections in such a framework with or without gluon saturation is recalled, and their physical origin is explained. Finally, old and new results are presented about the resummation of some of those large corrections, related to kinematical approximations. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1109.0547v1-abstract-full').style.display = 'none'; document.getElementById('1109.0547v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 2 September, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2011. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">10 pages, To appear in the proceedings of the "QCD evolution workshop: from collinear to non collinear case", 8 - 9 Apr 2011</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1108.1713">arXiv:1108.1713</a> <span> [<a href="https://arxiv.org/pdf/1108.1713">pdf</a>, <a href="https://arxiv.org/ps/1108.1713">ps</a>, <a href="https://arxiv.org/format/1108.1713">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</span> </div> </div> <p class="title is-5 mathjax"> Gluons and the quark sea at high energies: distributions, polarization, tomography </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Boer%2C+D">D. Boer</a>, <a href="/search/hep-ph?searchtype=author&query=Diehl%2C+M">M. Diehl</a>, <a href="/search/hep-ph?searchtype=author&query=Milner%2C+R">R. Milner</a>, <a href="/search/hep-ph?searchtype=author&query=Venugopalan%2C+R">R. Venugopalan</a>, <a href="/search/hep-ph?searchtype=author&query=Vogelsang%2C+W">W. Vogelsang</a>, <a href="/search/hep-ph?searchtype=author&query=Accardi%2C+A">A. Accardi</a>, <a href="/search/hep-ph?searchtype=author&query=Aschenauer%2C+E">E. Aschenauer</a>, <a href="/search/hep-ph?searchtype=author&query=Burkardt%2C+M">M. Burkardt</a>, <a href="/search/hep-ph?searchtype=author&query=Ent%2C+R">R. Ent</a>, <a href="/search/hep-ph?searchtype=author&query=Guzey%2C+V">V. Guzey</a>, <a href="/search/hep-ph?searchtype=author&query=Hasch%2C+D">D. Hasch</a>, <a href="/search/hep-ph?searchtype=author&query=Kumar%2C+K">K. Kumar</a>, <a href="/search/hep-ph?searchtype=author&query=Lamont%2C+M+A+C">M. A. C. Lamont</a>, <a href="/search/hep-ph?searchtype=author&query=Li%2C+Y">Y. Li</a>, <a href="/search/hep-ph?searchtype=author&query=Marciano%2C+W+J">W. J. Marciano</a>, <a href="/search/hep-ph?searchtype=author&query=Marquet%2C+C">C. Marquet</a>, <a href="/search/hep-ph?searchtype=author&query=Sabatie%2C+F">F. Sabatie</a>, <a href="/search/hep-ph?searchtype=author&query=Stratmann%2C+M">M. Stratmann</a>, <a href="/search/hep-ph?searchtype=author&query=Yuan%2C+F">F. Yuan</a>, <a href="/search/hep-ph?searchtype=author&query=Abeyratne%2C+S">S. Abeyratne</a>, <a href="/search/hep-ph?searchtype=author&query=Ahmed%2C+S">S. Ahmed</a>, <a href="/search/hep-ph?searchtype=author&query=Aidala%2C+C">C. Aidala</a>, <a href="/search/hep-ph?searchtype=author&query=Alekhin%2C+S">S. Alekhin</a>, <a href="/search/hep-ph?searchtype=author&query=Anselmino%2C+M">M. Anselmino</a>, <a href="/search/hep-ph?searchtype=author&query=Avakian%2C+H">H. Avakian</a> , et al. (164 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1108.1713v2-abstract-short" style="display: inline;"> This report is based on a ten-week program on "Gluons and the quark sea at high-energies", which took place at the Institute for Nuclear Theory in Seattle in Fall 2010. The principal aim of the program was to develop and sharpen the science case for an Electron-Ion Collider (EIC), a facility that will be able to collide electrons and positrons with polarized protons and with light to heavy nuclei… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1108.1713v2-abstract-full').style.display = 'inline'; document.getElementById('1108.1713v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1108.1713v2-abstract-full" style="display: none;"> This report is based on a ten-week program on "Gluons and the quark sea at high-energies", which took place at the Institute for Nuclear Theory in Seattle in Fall 2010. The principal aim of the program was to develop and sharpen the science case for an Electron-Ion Collider (EIC), a facility that will be able to collide electrons and positrons with polarized protons and with light to heavy nuclei at high energies, offering unprecedented possibilities for in-depth studies of quantum chromodynamics. This report is organized around four major themes: i) the spin and flavor structure of the proton, ii) three-dimensional structure of nucleons and nuclei in momentum and configuration space, iii) QCD matter in nuclei, and iv) Electroweak physics and the search for physics beyond the Standard Model. Beginning with an executive summary, the report contains tables of key measurements, chapter overviews for each of the major scientific themes, and detailed individual contributions on various aspects of the scientific opportunities presented by an EIC. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1108.1713v2-abstract-full').style.display = 'none'; document.getElementById('1108.1713v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 28 November, 2011; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 5 August, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2011. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">547 pages, A report on the joint BNL/INT/Jlab program on the science case for an Electron-Ion Collider, September 13 to November 19, 2010, Institute for Nuclear Theory, Seattle; v2 with minor changes, matches printed version</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> INT-PUB-11-034, BNL-96164-2011, JLAB-THY-11-1373 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1008.0498">arXiv:1008.0498</a> <span> [<a href="https://arxiv.org/pdf/1008.0498">pdf</a>, <a href="https://arxiv.org/ps/1008.0498">ps</a>, <a href="https://arxiv.org/format/1008.0498">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> </div> <p class="title is-5 mathjax"> Universal behavior of the gluon saturation scale at high energy including full NLL BFKL effects </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="1008.0498v1-abstract-short" style="display: inline;"> The universal traveling wave solution to the Balitsky-Kovchegov equation with running coupling (and other equations in the same universality class) is extended to subleading orders at large rapidity and small dipole size $r$. The large rapidity expansion of the logarithm of the saturation scale $Q_s(Y)$ is derived from that traveling wave solution. In addition to the two already known leading term… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1008.0498v1-abstract-full').style.display = 'inline'; document.getElementById('1008.0498v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1008.0498v1-abstract-full" style="display: none;"> The universal traveling wave solution to the Balitsky-Kovchegov equation with running coupling (and other equations in the same universality class) is extended to subleading orders at large rapidity and small dipole size $r$. The large rapidity expansion of the logarithm of the saturation scale $Q_s(Y)$ is derived from that traveling wave solution. In addition to the two already known leading terms in $Y^{1/2}$ and $Y^{1/6}$, which are determined only by the LL BFKL kernel, the three following terms in $Y^0$, $Y^{-1/6}$ and $Y^{-1/3}$ are obtained. They are universal and sensitive to NLL BFKL effects. Initial condition dependence and NNLL BFKL effects would both start to appear only at the next order, which is in $Y^{-1/2}$. In the light of these results, the impact of the precise implementation of the running coupling in gluon saturation is discussed, \emph{i.e.} parent dipole size prescription \emph{vs.} Balitsky's prescription, and also the effect of the full NLL corrections, not yet implemented in numerical simulations. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1008.0498v1-abstract-full').style.display = 'none'; document.getElementById('1008.0498v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 August, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2010. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">11 pages, 2 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0907.5292">arXiv:0907.5292</a> <span> [<a href="https://arxiv.org/pdf/0907.5292">pdf</a>, <a href="https://arxiv.org/ps/0907.5292">ps</a>, <a href="https://arxiv.org/format/0907.5292">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nuclphysa.2009.09.030">10.1016/j.nuclphysa.2009.09.030 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Energy loss and thermalization of heavy quarks in a strongly-coupled plasma </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Marquet%2C+C">C. Marquet</a>, <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">G. Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Xiao%2C+B+-">B. -W. Xiao</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0907.5292v2-abstract-short" style="display: inline;"> Using the AdS/CFT correspondence, we compute the medium-induced energy loss of a decelerating heavy quark moving through a strongly-coupled supersymmetric Yang Mills plasma. In the regime where the deceleration is small, a perturbative calculation is possible and we obtain the first two corrections to the energy-loss rate of a heavy quark with constant velocity. The thermalization of the heavy q… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0907.5292v2-abstract-full').style.display = 'inline'; document.getElementById('0907.5292v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0907.5292v2-abstract-full" style="display: none;"> Using the AdS/CFT correspondence, we compute the medium-induced energy loss of a decelerating heavy quark moving through a strongly-coupled supersymmetric Yang Mills plasma. In the regime where the deceleration is small, a perturbative calculation is possible and we obtain the first two corrections to the energy-loss rate of a heavy quark with constant velocity. The thermalization of the heavy quark is also discussed. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0907.5292v2-abstract-full').style.display = 'none'; document.getElementById('0907.5292v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 14 September, 2009; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 30 July, 2009; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2009. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">4 pages, no figures, Proceedings of the 21st International Conference on Ultra-Relativistic Nucleus Nucleus Collisions (QM09), Knoxville, USA, March 30-April 4 2009</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nucl.Phys.A830:307c-310c,2009 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0906.4423">arXiv:0906.4423</a> <span> [<a href="https://arxiv.org/pdf/0906.4423">pdf</a>, <a href="https://arxiv.org/ps/0906.4423">ps</a>, <a href="https://arxiv.org/format/0906.4423">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Theory">hep-th</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1088/1126-6708/2009/10/043">10.1088/1126-6708/2009/10/043 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Boost-invariant early time dynamics from AdS/CFT </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Heller%2C+M+P">Michal P. Heller</a>, <a href="/search/hep-ph?searchtype=author&query=Janik%2C+R+A">Romuald A. Janik</a>, <a href="/search/hep-ph?searchtype=author&query=Peschanski%2C+R">Robi Peschanski</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0906.4423v2-abstract-short" style="display: inline;"> Boost-invariant dynamics of a strongly-coupled conformal plasma is studied in the regime of early proper-time using the AdS/CFT correspondence. It is shown, in contrast with the late-time expansion, that a scaling solution does not exist. The boundary dynamics in this regime depends on initial conditions encoded in the bulk behavior of a Fefferman-Graham metric coefficient at initial proper-time… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0906.4423v2-abstract-full').style.display = 'inline'; document.getElementById('0906.4423v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0906.4423v2-abstract-full" style="display: none;"> Boost-invariant dynamics of a strongly-coupled conformal plasma is studied in the regime of early proper-time using the AdS/CFT correspondence. It is shown, in contrast with the late-time expansion, that a scaling solution does not exist. The boundary dynamics in this regime depends on initial conditions encoded in the bulk behavior of a Fefferman-Graham metric coefficient at initial proper-time. The relation between the early-time expansion of the energy density and initial conditions in the bulk of AdS is provided. As a general result it is proven that a singularity of some metric coefficient in Fefferman-Graham frame exists at all times. Requiring that this singularity at tau = 0 is a mere coordinate singularity without the curvature blow-up gives constraints on the possible boundary dynamics. Using a simple Pade resummation for solutions satisfying the regularity constraint, the features of a transition to local equilibrium, and thus to the hydrodynamical late-time regime, have been observed. The impact of this study on the problem of thermalization is discussed. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0906.4423v2-abstract-full').style.display = 'none'; document.getElementById('0906.4423v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 16 October, 2009; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 24 June, 2009; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2009. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">25 pages; ver2: minor typos fixed, literature added, matches the published version</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> JHEP 0910:043,2009 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0903.3861">arXiv:0903.3861</a> <span> [<a href="https://arxiv.org/pdf/0903.3861">pdf</a>, <a href="https://arxiv.org/format/0903.3861">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> </div> <p class="title is-5 mathjax"> Proceedings of the workshop: HERA and the LHC workshop series on the implications of HERA for LHC physics </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Jung%2C+H">H. Jung</a>, <a href="/search/hep-ph?searchtype=author&query=De+Roeck%2C+A">A. De Roeck</a>, <a href="/search/hep-ph?searchtype=author&query=Ajaltouni%2C+Z+J">Z. J. Ajaltouni</a>, <a href="/search/hep-ph?searchtype=author&query=Albino%2C+S">S. Albino</a>, <a href="/search/hep-ph?searchtype=author&query=Altarelli%2C+G">G. Altarelli</a>, <a href="/search/hep-ph?searchtype=author&query=Ambroglini%2C+F">F. Ambroglini</a>, <a href="/search/hep-ph?searchtype=author&query=Anderson%2C+J">J. Anderson</a>, <a href="/search/hep-ph?searchtype=author&query=Antchev%2C+G">G. Antchev</a>, <a href="/search/hep-ph?searchtype=author&query=Arneodo%2C+M">M. Arneodo</a>, <a href="/search/hep-ph?searchtype=author&query=Aspell%2C+P">P. Aspell</a>, <a href="/search/hep-ph?searchtype=author&query=Avati%2C+V">V. Avati</a>, <a href="/search/hep-ph?searchtype=author&query=Bahr%2C+M">M. Bahr</a>, <a href="/search/hep-ph?searchtype=author&query=Bacchetta%2C+A">A. Bacchetta</a>, <a href="/search/hep-ph?searchtype=author&query=Bagliesi%2C+M+G">M. G. Bagliesi</a>, <a href="/search/hep-ph?searchtype=author&query=Ball%2C+R+D">R. D. Ball</a>, <a href="/search/hep-ph?searchtype=author&query=Banfi%2C+A">A. Banfi</a>, <a href="/search/hep-ph?searchtype=author&query=Baranov%2C+S">S. Baranov</a>, <a href="/search/hep-ph?searchtype=author&query=Bartalini%2C+P">P. Bartalini</a>, <a href="/search/hep-ph?searchtype=author&query=Bartels%2C+J">J. Bartels</a>, <a href="/search/hep-ph?searchtype=author&query=Bechtel%2C+F">F. Bechtel</a>, <a href="/search/hep-ph?searchtype=author&query=Berardi%2C+V">V. Berardi</a>, <a href="/search/hep-ph?searchtype=author&query=Berretti%2C+M">M. Berretti</a>, <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">G. Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Biasini%2C+M">M. Biasini</a>, <a href="/search/hep-ph?searchtype=author&query=Bierenbaum%2C+I">I. Bierenbaum</a> , et al. (244 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0903.3861v2-abstract-short" style="display: inline;"> 2nd workshop on the implications of HERA for LHC physics. Working groups: Parton Density Functions Multi-jet final states and energy flows Heavy quarks (charm and beauty) Diffraction Cosmic Rays Monte Carlos and Tools </span> <span class="abstract-full has-text-grey-dark mathjax" id="0903.3861v2-abstract-full" style="display: none;"> 2nd workshop on the implications of HERA for LHC physics. Working groups: Parton Density Functions Multi-jet final states and energy flows Heavy quarks (charm and beauty) Diffraction Cosmic Rays Monte Carlos and Tools <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0903.3861v2-abstract-full').style.display = 'none'; document.getElementById('0903.3861v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 30 March, 2009; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 23 March, 2009; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2009. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">2nd workshop on the implications of HERA for LHC physics 2006 - 2008, Hamburg - Geneva. H. Jung and A. De Roeck Editors</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> DESY-PROC-2009-02 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0903.1047">arXiv:0903.1047</a> <span> [<a href="https://arxiv.org/pdf/0903.1047">pdf</a>, <a href="https://arxiv.org/ps/0903.1047">ps</a>, <a href="https://arxiv.org/format/0903.1047">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Theory">hep-th</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.physletb.2010.02.027">10.1016/j.physletb.2010.02.027 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Gravity dual of N=4 SYM theory with fast moving sources </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0903.1047v2-abstract-short" style="display: inline;"> A family of wave solutions to the full Einstein equations in AdS_5 geometry is derived. These background solutions give by duality the response of N=4 SYM at strong coupling to an arbitrary distribution of fast moving external sources for the energy-momentum tensor operator. We discuss the similarities of these solutions with the Color Glass Condensate effective theory for QCD at high energy. </span> <span class="abstract-full has-text-grey-dark mathjax" id="0903.1047v2-abstract-full" style="display: none;"> A family of wave solutions to the full Einstein equations in AdS_5 geometry is derived. These background solutions give by duality the response of N=4 SYM at strong coupling to an arbitrary distribution of fast moving external sources for the energy-momentum tensor operator. We discuss the similarities of these solutions with the Color Glass Condensate effective theory for QCD at high energy. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0903.1047v2-abstract-full').style.display = 'none'; document.getElementById('0903.1047v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 25 February, 2010; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 5 March, 2009; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2009. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">5 pages, improved discussions, and a note has been added</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Lett.B686:55-58,2010 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0901.2504">arXiv:0901.2504</a> <span> [<a href="https://arxiv.org/pdf/0901.2504">pdf</a>, <a href="https://arxiv.org/ps/0901.2504">ps</a>, <a href="https://arxiv.org/format/0901.2504">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> </div> <p class="title is-5 mathjax"> Parton Distributions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Dittmar%2C+M">M. Dittmar</a>, <a href="/search/hep-ph?searchtype=author&query=Forte%2C+S">S. Forte</a>, <a href="/search/hep-ph?searchtype=author&query=Glazov%2C+A">A. Glazov</a>, <a href="/search/hep-ph?searchtype=author&query=Moch%2C+S">S. Moch</a>, <a href="/search/hep-ph?searchtype=author&query=Altarelli%2C+G">G. Altarelli</a>, <a href="/search/hep-ph?searchtype=author&query=Anderson%2C+J">J. Anderson</a>, <a href="/search/hep-ph?searchtype=author&query=Ball%2C+R+D">R. D. Ball</a>, <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">G. Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Boonekamp%2C+M">M. Boonekamp</a>, <a href="/search/hep-ph?searchtype=author&query=Burkhardt%2C+H">H. Burkhardt</a>, <a href="/search/hep-ph?searchtype=author&query=Caola%2C+F">F. Caola</a>, <a href="/search/hep-ph?searchtype=author&query=Ciafaloni%2C+M">M. Ciafaloni</a>, <a href="/search/hep-ph?searchtype=author&query=Colferai%2C+D">D. Colferai</a>, <a href="/search/hep-ph?searchtype=author&query=Cooper-Sarkar%2C+A">A. Cooper-Sarkar</a>, <a href="/search/hep-ph?searchtype=author&query=de+Roeck%2C+A">A. de Roeck</a>, <a href="/search/hep-ph?searchtype=author&query=Del+Debbio%2C+L">L. Del Debbio</a>, <a href="/search/hep-ph?searchtype=author&query=Feltesse%2C+J">J. Feltesse</a>, <a href="/search/hep-ph?searchtype=author&query=Gelis%2C+F">F. Gelis</a>, <a href="/search/hep-ph?searchtype=author&query=Grebenyuk%2C+J">J. Grebenyuk</a>, <a href="/search/hep-ph?searchtype=author&query=Guffanti%2C+A">A. Guffanti</a>, <a href="/search/hep-ph?searchtype=author&query=Halyo%2C+V">V. Halyo</a>, <a href="/search/hep-ph?searchtype=author&query=Latorre%2C+J+I">J. I. Latorre</a>, <a href="/search/hep-ph?searchtype=author&query=Lendermann%2C+V">V. Lendermann</a>, <a href="/search/hep-ph?searchtype=author&query=Li%2C+G">Gang Li</a>, <a href="/search/hep-ph?searchtype=author&query=Motyka%2C+L">L. Motyka</a> , et al. (15 additional authors not shown) </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0901.2504v2-abstract-short" style="display: inline;"> We provide an assessment of the state of the art in various issues related to experimental measurements, phenomenological methods and theoretical results relevant for the determination of parton distribution functions (PDFs) and their uncertainties, with the specific aim of providing benchmarks of different existing approaches and results in view of their application to physics at the LHC. We di… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0901.2504v2-abstract-full').style.display = 'inline'; document.getElementById('0901.2504v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0901.2504v2-abstract-full" style="display: none;"> We provide an assessment of the state of the art in various issues related to experimental measurements, phenomenological methods and theoretical results relevant for the determination of parton distribution functions (PDFs) and their uncertainties, with the specific aim of providing benchmarks of different existing approaches and results in view of their application to physics at the LHC. We discuss higher order corrections, we review and compare different approaches to small x resummation, and we assess the possible relevance of parton saturation in the determination of PDFS at HERA and its possible study in LHC processes. We provide various benchmarks of PDF fits, with the specific aim of studying issues of error propagation, non-gaussian uncertainties, choice of functional forms of PDFs, and combination of data from different experiments and different processes. We study the impact of combined HERA (ZEUS-H1) structure function data, their impact on PDF uncertainties, and their implications for the computation of standard candle processes, and we review the recent F_L determination at HERA. Finally, we compare and assess methods for luminosity measurements at the LHC and the impact of PDFs on them. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0901.2504v2-abstract-full').style.display = 'none'; document.getElementById('0901.2504v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 23 January, 2009; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 16 January, 2009; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2009. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">99 pages, 61 figures; summary report of Working Group I for the HERA-LHC workshop. Requires cernrep.cls and mcite.sty. Various typos corrected</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> IFUM-936-FT </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0812.1051">arXiv:0812.1051</a> <span> [<a href="https://arxiv.org/pdf/0812.1051">pdf</a>, <a href="https://arxiv.org/ps/0812.1051">ps</a>, <a href="https://arxiv.org/format/0812.1051">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Theory">hep-th</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.80.085001">10.1103/PhysRevD.80.085001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Heavy-quark energy loss and thermalization in a strongly coupled SYM plasma </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Marquet%2C+C">Cyrille Marquet</a>, <a href="/search/hep-ph?searchtype=author&query=Xiao%2C+B">Bo-Wen Xiao</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0812.1051v1-abstract-short" style="display: inline;"> Using the AdS/CFT correspondence, we compute the radiative energy loss of a slowly decelerating heavy quark with mass M moving through a supersymmetric Yang Mills (SYM) plasma at temperature T at large t'Hooft coupling 位. The calculation is carried out in terms of perturbation in \sqrt位T/M, and the rate of the energy loss is computed up to second order. We explain the physical meaning of each co… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0812.1051v1-abstract-full').style.display = 'inline'; document.getElementById('0812.1051v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0812.1051v1-abstract-full" style="display: none;"> Using the AdS/CFT correspondence, we compute the radiative energy loss of a slowly decelerating heavy quark with mass M moving through a supersymmetric Yang Mills (SYM) plasma at temperature T at large t'Hooft coupling 位. The calculation is carried out in terms of perturbation in \sqrt位T/M, and the rate of the energy loss is computed up to second order. We explain the physical meaning of each correction and estimate the thermalization time of a heavy quark moving in a strongly-coupled plasma. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0812.1051v1-abstract-full').style.display = 'none'; document.getElementById('0812.1051v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 December, 2008; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> December 2008. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">14 pages, 1 figure</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.D80:085001,2009 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0811.2257">arXiv:0811.2257</a> <span> [<a href="https://arxiv.org/pdf/0811.2257">pdf</a>, <a href="https://arxiv.org/ps/0811.2257">ps</a>, <a href="https://arxiv.org/format/0811.2257">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> </div> <p class="title is-5 mathjax"> Scaling properties in deep inelastic scattering </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Royon%2C+C">C. Royon</a>, <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">G. Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Peschanski%2C+R">R. Peschanski</a>, <a href="/search/hep-ph?searchtype=author&query=Salek%2C+D">D. Salek</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0811.2257v1-abstract-short" style="display: inline;"> Using the "Quality Factor" (QF) method, we analyse the scaling properties of deep-inelastic processes at HERA and fixed target experiments for x<10^{-2}. </span> <span class="abstract-full has-text-grey-dark mathjax" id="0811.2257v1-abstract-full" style="display: none;"> Using the "Quality Factor" (QF) method, we analyse the scaling properties of deep-inelastic processes at HERA and fixed target experiments for x<10^{-2}. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0811.2257v1-abstract-full').style.display = 'none'; document.getElementById('0811.2257v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 13 November, 2008; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2008. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">Proceedings of the DIS 2008 workshop</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0810.5082">arXiv:0810.5082</a> <span> [<a href="https://arxiv.org/pdf/0810.5082">pdf</a>, <a href="https://arxiv.org/ps/0810.5082">ps</a>, <a href="https://arxiv.org/format/0810.5082">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> </div> <p class="title is-5 mathjax"> Geometric Scaling of $F_2$ and $F_2^c$ in data and QCD Parametrisations </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">G. Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Royon%2C+C">C. Royon</a>, <a href="/search/hep-ph?searchtype=author&query=Salek%2C+D">D. Salek</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0810.5082v1-abstract-short" style="display: inline;"> The scaling properties at low $x$ of the proton DIS cross section and its charm component are analyzed with the help of the quality factor method. Scaling properties are tested both in the deep inelastic scattering data and in the structure functions reconstructed from CTEQ, MRST and GRV parametrisations of parton density functions. The results for DIS cross sections are fully compatible between… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0810.5082v1-abstract-full').style.display = 'inline'; document.getElementById('0810.5082v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0810.5082v1-abstract-full" style="display: none;"> The scaling properties at low $x$ of the proton DIS cross section and its charm component are analyzed with the help of the quality factor method. Scaling properties are tested both in the deep inelastic scattering data and in the structure functions reconstructed from CTEQ, MRST and GRV parametrisations of parton density functions. The results for DIS cross sections are fully compatible between data and parametrisations. Even with larger error bars, the charm component data favors the same geometric scaling properties as the ones of inclusive DIS. This is not the case for all parametrisations of the charm component. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0810.5082v1-abstract-full').style.display = 'none'; document.getElementById('0810.5082v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 28 October, 2008; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2008. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">11 pages</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0808.1073">arXiv:0808.1073</a> <span> [<a href="https://arxiv.org/pdf/0808.1073">pdf</a>, <a href="https://arxiv.org/ps/0808.1073">ps</a>, <a href="https://arxiv.org/format/0808.1073">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Theory">nucl-th</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Theory">hep-th</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevC.78.064909">10.1103/PhysRevC.78.064909 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Entropy flow of a perfect fluid in (1+1) hydrodynamics </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Peschanski%2C+R">Robi Peschanski</a>, <a href="/search/hep-ph?searchtype=author&query=Saridakis%2C+E+N">Emmanuel N. Saridakis</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0808.1073v2-abstract-short" style="display: inline;"> Using the formalism of the Khalatnikov potential, we derive exact general formulae for the entropy flow dS/dy, where y is the rapidity, as a function of temperature for the (1+1) relativistic hydrodynamics of a perfect fluid. We study in particular flows dominated by a sufficiently long hydrodynamic evolution, and provide an explicit analytical solution for dS/dy. We discuss the theoretical impl… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0808.1073v2-abstract-full').style.display = 'inline'; document.getElementById('0808.1073v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0808.1073v2-abstract-full" style="display: none;"> Using the formalism of the Khalatnikov potential, we derive exact general formulae for the entropy flow dS/dy, where y is the rapidity, as a function of temperature for the (1+1) relativistic hydrodynamics of a perfect fluid. We study in particular flows dominated by a sufficiently long hydrodynamic evolution, and provide an explicit analytical solution for dS/dy. We discuss the theoretical implications of our general formulae and some phenomenological applications for heavy-ion collisions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0808.1073v2-abstract-full').style.display = 'none'; document.getElementById('0808.1073v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 19 December, 2008; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 7 August, 2008; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2008. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">17 pages, 2 figures, to appear in Phys.Rev.C</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.C78:064909,2008 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0806.0764">arXiv:0806.0764</a> <span> [<a href="https://arxiv.org/pdf/0806.0764">pdf</a>, <a href="https://arxiv.org/ps/0806.0764">ps</a>, <a href="https://arxiv.org/format/0806.0764">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> </div> <p class="title is-5 mathjax"> Universality of QCD traveling-waves with running coupling beyond leading logarithmic accuracy </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0806.0764v1-abstract-short" style="display: inline;"> We discuss the solutions of QCD evolution equations with saturation in the high energy limit. We present a general argument showing that, in the running coupling case, the Next-to-Leading-Logarithmic (NLL) and higher order terms are irrelevant for the universal asymptotic features of the solutions. </span> <span class="abstract-full has-text-grey-dark mathjax" id="0806.0764v1-abstract-full" style="display: none;"> We discuss the solutions of QCD evolution equations with saturation in the high energy limit. We present a general argument showing that, in the running coupling case, the Next-to-Leading-Logarithmic (NLL) and higher order terms are irrelevant for the universal asymptotic features of the solutions. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0806.0764v1-abstract-full').style.display = 'none'; document.getElementById('0806.0764v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 4 June, 2008; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2008. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">4 pages. To appear in the proceedings of the School on QCD, Low-x Physics and Diffraction, Copanello, Calabria, Italy, July 2007</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Acta Phys.Polon.B39:2557-2560,2008 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0803.2186">arXiv:0803.2186</a> <span> [<a href="https://arxiv.org/pdf/0803.2186">pdf</a>, <a href="https://arxiv.org/ps/0803.2186">ps</a>, <a href="https://arxiv.org/format/0803.2186">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1103/PhysRevD.78.074004">10.1103/PhysRevD.78.074004 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Systematic Analysis of Scaling Properties in Deep Inelastic Scattering </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a>, <a href="/search/hep-ph?searchtype=author&query=Peschanski%2C+R">Robi Peschanski</a>, <a href="/search/hep-ph?searchtype=author&query=Royon%2C+C">Christophe Royon</a>, <a href="/search/hep-ph?searchtype=author&query=Salek%2C+D">David Salek</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0803.2186v2-abstract-short" style="display: inline;"> Using the ``Quality Factor'' (QF) method, we analyse the scaling properties of deep-inelastic processes at HERA and fixed target experiments for x<0.01. We look for scaling formulae of the form sigma(tau), where tau(log Q^2, Y) is a scaling variable suggested by the asymptotic properties of QCD evolution equations with rapidity Y. We consider four cases: ``Fixed Coupling'', corresponding to the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0803.2186v2-abstract-full').style.display = 'inline'; document.getElementById('0803.2186v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0803.2186v2-abstract-full" style="display: none;"> Using the ``Quality Factor'' (QF) method, we analyse the scaling properties of deep-inelastic processes at HERA and fixed target experiments for x<0.01. We look for scaling formulae of the form sigma(tau), where tau(log Q^2, Y) is a scaling variable suggested by the asymptotic properties of QCD evolution equations with rapidity Y. We consider four cases: ``Fixed Coupling'', corresponding to the original geometric scaling proposal and motivated by the asymptotic properties of the Balitsky-Kovchegov (BK) equation with fixed QCD coupling constant, two versions ``Running Coupling I,II'' of the scaling suggested by the BK equation with running coupling, and ``Diffusive Scaling'' suggested by the QCD evolution equation with Pomeron loops. The Quality Factors, quantifying the phenomenological validity of the candidate scaling variables, are fitted on the total and DVCS cross-section data from HERA and predictions are made for the elastic vector-meson and for the diffractive cross-sections at fixed small x_pom or beta. The first three scaling formulae have comparably good QF while the fourth one is disfavored. Adjusting initial conditions gives a significant improvement of the ``Running Coupling II'' scaling. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0803.2186v2-abstract-full').style.display = 'none'; document.getElementById('0803.2186v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 6 October, 2008; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 14 March, 2008; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2008. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">25 pages,15 figures, 6 tables. New version with misprints corrected, and reference to the published version added</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.D78:074004,2008 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0803.2167">arXiv:0803.2167</a> <span> [<a href="https://arxiv.org/pdf/0803.2167">pdf</a>, <a href="https://arxiv.org/ps/0803.2167">ps</a>, <a href="https://arxiv.org/format/0803.2167">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> </div> <p class="title is-5 mathjax"> An alternative scaling solution for high-energy QCD saturation with running coupling </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0803.2167v1-abstract-short" style="display: inline;"> A new type of approximate scaling compatible with the Balitsky-Kovchegov equation with running coupling is found, which is different from the previously known running coupling geometric scaling. The corresponding asymptotic traveling wave solution is derived. Although featuring different scaling behaviors, the two solutions are complementary approximations of the same universal solution, and the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0803.2167v1-abstract-full').style.display = 'inline'; document.getElementById('0803.2167v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0803.2167v1-abstract-full" style="display: none;"> A new type of approximate scaling compatible with the Balitsky-Kovchegov equation with running coupling is found, which is different from the previously known running coupling geometric scaling. The corresponding asymptotic traveling wave solution is derived. Although featuring different scaling behaviors, the two solutions are complementary approximations of the same universal solution, and they become equivalent in the high energy limit. The new type of scaling is observed in the small-x DIS data. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0803.2167v1-abstract-full').style.display = 'none'; document.getElementById('0803.2167v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 14 March, 2008; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2008. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">17 pages, 5 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0708.3659">arXiv:0708.3659</a> <span> [<a href="https://arxiv.org/pdf/0708.3659">pdf</a>, <a href="https://arxiv.org/ps/0708.3659">ps</a>, <a href="https://arxiv.org/format/0708.3659">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> <div class="is-inline-block" style="margin-left: 0.5rem"> <div class="tags has-addons"> <span class="tag is-dark is-size-7">doi</span> <span class="tag is-light is-size-7"><a class="" href="https://doi.org/10.1016/j.nuclphysa.2008.07.001">10.1016/j.nuclphysa.2008.07.001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Asymptotics of QCD traveling waves with fluctuations and running coupling effects </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Beuf%2C+G">Guillaume Beuf</a> </p> <p class="abstract mathjax"> <span class="has-text-black-bis has-text-weight-semibold">Abstract</span>: <span class="abstract-short has-text-grey-dark mathjax" id="0708.3659v3-abstract-short" style="display: inline;"> Extending independently the Balitsky-Kovchegov (BK) equation to running coupling or to fluctuation effects due to Pomeron loops is known to lead in both cases to qualitative changes of the traveling-wave asymptotic solutions. In this paper we study the extension of the forward BK equation, including both running coupling and fluctuations effects, using the method developed for the fixed coupling… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0708.3659v3-abstract-full').style.display = 'inline'; document.getElementById('0708.3659v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="0708.3659v3-abstract-full" style="display: none;"> Extending independently the Balitsky-Kovchegov (BK) equation to running coupling or to fluctuation effects due to Pomeron loops is known to lead in both cases to qualitative changes of the traveling-wave asymptotic solutions. In this paper we study the extension of the forward BK equation, including both running coupling and fluctuations effects, using the method developed for the fixed coupling case. We derive the exact asymptotic behavior of the probabilistic distribution of the saturation scale. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0708.3659v3-abstract-full').style.display = 'none'; document.getElementById('0708.3659v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 27 August, 2008; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 27 August, 2007; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> August 2007. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">14 pages, 3 figures, improved discussion of the phenomenological applications</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Nucl.Phys.A810:142-158,2008 </p> </li> </ol> <nav class="pagination is-small is-centered breathe-horizontal" role="navigation" aria-label="pagination"> <a href="" class="pagination-previous is-invisible">Previous </a> <a href="/search/?searchtype=author&query=Beuf%2C+G&start=50" class="pagination-next" >Next </a> <ul class="pagination-list"> <li> <a href="/search/?searchtype=author&query=Beuf%2C+G&start=0" class="pagination-link is-current" aria-label="Goto page 1">1 </a> </li> <li> <a href="/search/?searchtype=author&query=Beuf%2C+G&start=50" class="pagination-link " aria-label="Page 2" aria-current="page">2 </a> </li> </ul> </nav> <div class="is-hidden-tablet">  <span class="help" style="display: inline-block;"><a href="https://github.com/arXiv/arxiv-search/releases">Search v0.5.6 released 2020-02-24</a>  </span> </div> </div> </main> <footer> <div class="columns is-desktop" role="navigation" aria-label="Secondary">  <div class="column"> <div class="columns"> <div class="column"> <ul 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