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<button class="button is-small is-link">Go</button> </div> </div> </form> </div> </div> <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/2210.06708">arXiv:2210.06708</a> <span> [<a href="https://arxiv.org/pdf/2210.06708">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Solar and Stellar Astrophysics">astro-ph.SR</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/10.3847/1538-4357/acad78">10.3847/1538-4357/acad78 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Bump Morphology of the CMAGIC Diagram </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Aldoroty%2C+L">L. Aldoroty</a>, <a href="/search/hep-ph?searchtype=author&query=Wang%2C+L">L. Wang</a>, <a href="/search/hep-ph?searchtype=author&query=Hoeflich%2C+P">P. Hoeflich</a>, <a href="/search/hep-ph?searchtype=author&query=Yang%2C+J">J. Yang</a>, <a href="/search/hep-ph?searchtype=author&query=Suntzeff%2C+N">N. Suntzeff</a>, <a href="/search/hep-ph?searchtype=author&query=Aldering%2C+G">G. Aldering</a>, <a href="/search/hep-ph?searchtype=author&query=Antilogus%2C+P">P. Antilogus</a>, <a href="/search/hep-ph?searchtype=author&query=Aragon%2C+C">C. Aragon</a>, <a href="/search/hep-ph?searchtype=author&query=Bailey%2C+S">S. Bailey</a>, <a href="/search/hep-ph?searchtype=author&query=Baltay%2C+C">C. Baltay</a>, <a href="/search/hep-ph?searchtype=author&query=Bongard%2C+S">S. Bongard</a>, <a href="/search/hep-ph?searchtype=author&query=Boone%2C+K">K. Boone</a>, <a href="/search/hep-ph?searchtype=author&query=Buton%2C+C">C. Buton</a>, <a href="/search/hep-ph?searchtype=author&query=Copin%2C+Y">Y. Copin</a>, <a href="/search/hep-ph?searchtype=author&query=Dixon%2C+S">S. Dixon</a>, <a href="/search/hep-ph?searchtype=author&query=Fouchez%2C+D">D. Fouchez</a>, <a href="/search/hep-ph?searchtype=author&query=Gangler%2C+E">E. Gangler</a>, <a href="/search/hep-ph?searchtype=author&query=Gupta%2C+R">R. Gupta</a>, <a href="/search/hep-ph?searchtype=author&query=Hayden%2C+B">B. Hayden</a>, <a href="/search/hep-ph?searchtype=author&query=Karmen%2C+M">Mitchell Karmen</a>, <a href="/search/hep-ph?searchtype=author&query=Kim%2C+A+G">A. G. Kim</a>, <a href="/search/hep-ph?searchtype=author&query=Kowalski%2C+M">M. Kowalski</a>, <a href="/search/hep-ph?searchtype=author&query=K%C3%BCsters%2C+D">D. K眉sters</a>, <a href="/search/hep-ph?searchtype=author&query=L%C3%A9get%2C+P+-">P. -F. L茅get</a>, <a href="/search/hep-ph?searchtype=author&query=Mondon%2C+F">F. Mondon</a> , et al. (16 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="2210.06708v4-abstract-short" style="display: inline;"> We apply the color-magnitude intercept calibration method (CMAGIC) to the Nearby Supernova Factory SNe Ia spectrophotometric dataset. The currently existing CMAGIC parameters are the slope and intercept of a straight line fit to the first linear region in the color-magnitude diagram, which occurs over a span of approximately 30 days after maximum brightness. We define a new parameter, $蠅_{XY}$, th… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2210.06708v4-abstract-full').style.display = 'inline'; document.getElementById('2210.06708v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2210.06708v4-abstract-full" style="display: none;"> We apply the color-magnitude intercept calibration method (CMAGIC) to the Nearby Supernova Factory SNe Ia spectrophotometric dataset. The currently existing CMAGIC parameters are the slope and intercept of a straight line fit to the first linear region in the color-magnitude diagram, which occurs over a span of approximately 30 days after maximum brightness. We define a new parameter, $蠅_{XY}$, the size of the ``bump'' feature near maximum brightness for arbitrary filters $X$ and $Y$. We find a significant correlation between the slope of the first linear region, $尾_{XY, 1}$, in the CMAGIC diagram and $蠅_{XY}$. These results may be used to our advantage, as they are less affected by extinction than parameters defined as a function of time. Additionally, $蠅_{XY}$ is computed independently of templates. We find that current empirical templates are successful at reproducing the features described in this work, particularly SALT3, which correctly exhibits the negative correlation between slope and bump size seen in our data. In 1-D simulations, we show that the correlation between the size of the bump feature and $尾_{XY, 1}$ can be understood as a result of chemical mixing due to large-scale Rayleigh-Taylor instabilities. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2210.06708v4-abstract-full').style.display = 'none'; document.getElementById('2210.06708v4-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 June, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 13 October, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 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">19 pages, 9 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> The Astrophysical Journal, 948:10 (15pp), 2023 May 1 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2210.05822">arXiv:2210.05822</a> <span> [<a href="https://arxiv.org/pdf/2210.05822">pdf</a>, <a href="https://arxiv.org/format/2210.05822">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 - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Lattice">hep-lat</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> <p class="title is-5 mathjax"> The Future of High Energy Physics Software and Computing </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Elvira%2C+V+D">V. Daniel Elvira</a>, <a href="/search/hep-ph?searchtype=author&query=Gottlieb%2C+S">Steven Gottlieb</a>, <a href="/search/hep-ph?searchtype=author&query=Gutsche%2C+O">Oliver Gutsche</a>, <a href="/search/hep-ph?searchtype=author&query=Nachman%2C+B">Benjamin Nachman</a>, <a href="/search/hep-ph?searchtype=author&query=Bailey%2C+S">S. Bailey</a>, <a href="/search/hep-ph?searchtype=author&query=Bhimji%2C+W">W. Bhimji</a>, <a href="/search/hep-ph?searchtype=author&query=Boyle%2C+P">P. Boyle</a>, <a href="/search/hep-ph?searchtype=author&query=Cerati%2C+G">G. Cerati</a>, <a href="/search/hep-ph?searchtype=author&query=Kind%2C+M+C">M. Carrasco Kind</a>, <a href="/search/hep-ph?searchtype=author&query=Cranmer%2C+K">K. Cranmer</a>, <a href="/search/hep-ph?searchtype=author&query=Davies%2C+G">G. Davies</a>, <a href="/search/hep-ph?searchtype=author&query=Elvira%2C+V+D">V. D. Elvira</a>, <a href="/search/hep-ph?searchtype=author&query=Gardner%2C+R">R. Gardner</a>, <a href="/search/hep-ph?searchtype=author&query=Heitmann%2C+K">K. Heitmann</a>, <a href="/search/hep-ph?searchtype=author&query=Hildreth%2C+M">M. Hildreth</a>, <a href="/search/hep-ph?searchtype=author&query=Hopkins%2C+W">W. Hopkins</a>, <a href="/search/hep-ph?searchtype=author&query=Humble%2C+T">T. Humble</a>, <a href="/search/hep-ph?searchtype=author&query=Lin%2C+M">M. Lin</a>, <a href="/search/hep-ph?searchtype=author&query=Onyisi%2C+P">P. Onyisi</a>, <a href="/search/hep-ph?searchtype=author&query=Qiang%2C+J">J. Qiang</a>, <a href="/search/hep-ph?searchtype=author&query=Pedro%2C+K">K. Pedro</a>, <a href="/search/hep-ph?searchtype=author&query=Perdue%2C+G">G. Perdue</a>, <a href="/search/hep-ph?searchtype=author&query=Roberts%2C+A">A. Roberts</a>, <a href="/search/hep-ph?searchtype=author&query=Savage%2C+M">M. Savage</a>, <a href="/search/hep-ph?searchtype=author&query=Shanahan%2C+P">P. Shanahan</a> , et al. (3 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="2210.05822v3-abstract-short" style="display: inline;"> Software and Computing (S&C) are essential to all High Energy Physics (HEP) experiments and many theoretical studies. The size and complexity of S&C are now commensurate with that of experimental instruments, playing a critical role in experimental design, data acquisition/instrumental control, reconstruction, and analysis. Furthermore, S&C often plays a leading role in driving the precision of th… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2210.05822v3-abstract-full').style.display = 'inline'; document.getElementById('2210.05822v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2210.05822v3-abstract-full" style="display: none;"> Software and Computing (S&C) are essential to all High Energy Physics (HEP) experiments and many theoretical studies. The size and complexity of S&C are now commensurate with that of experimental instruments, playing a critical role in experimental design, data acquisition/instrumental control, reconstruction, and analysis. Furthermore, S&C often plays a leading role in driving the precision of theoretical calculations and simulations. Within this central role in HEP, S&C has been immensely successful over the last decade. This report looks forward to the next decade and beyond, in the context of the 2021 Particle Physics Community Planning Exercise ("Snowmass") organized by the Division of Particles and Fields (DPF) of the American Physical Society. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2210.05822v3-abstract-full').style.display = 'none'; document.getElementById('2210.05822v3-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> 8 November, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 11 October, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 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">Computational Frontier Report Contribution to Snowmass 2021; 41 pages, 1 figure. v2: missing ref and added missing topical group conveners. v3: fixed typos</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2209.08054">arXiv:2209.08054</a> <span> [<a href="https://arxiv.org/pdf/2209.08054">pdf</a>, <a href="https://arxiv.org/ps/2209.08054">ps</a>, <a href="https://arxiv.org/format/2209.08054">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Computational Physics">physics.comp-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> </div> <p class="title is-5 mathjax"> Reinterpretation and Long-Term Preservation of Data and Code </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Bailey%2C+S">Stephen Bailey</a>, <a href="/search/hep-ph?searchtype=author&query=Cranmer%2C+K+S">K. S. Cranmer</a>, <a href="/search/hep-ph?searchtype=author&query=Feickert%2C+M">Matthew Feickert</a>, <a href="/search/hep-ph?searchtype=author&query=Fine%2C+R">Rob Fine</a>, <a href="/search/hep-ph?searchtype=author&query=Kraml%2C+S">Sabine Kraml</a>, <a href="/search/hep-ph?searchtype=author&query=Lange%2C+C">Clemens Lange</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="2209.08054v1-abstract-short" style="display: inline;"> Careful preservation of experimental data, simulations, analysis products, and theoretical work maximizes their long-term scientific return on investment by enabling new analyses and reinterpretation of the results in the future. Key infrastructure and technical developments needed for some high-value science targets are not in scope for the operations program of the large experiments and are ofte… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2209.08054v1-abstract-full').style.display = 'inline'; document.getElementById('2209.08054v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2209.08054v1-abstract-full" style="display: none;"> Careful preservation of experimental data, simulations, analysis products, and theoretical work maximizes their long-term scientific return on investment by enabling new analyses and reinterpretation of the results in the future. Key infrastructure and technical developments needed for some high-value science targets are not in scope for the operations program of the large experiments and are often not effectively funded. Increasingly, the science goals of our projects require contributions that span the boundaries between individual experiments and surveys, and between the theoretical and experimental communities. Furthermore, the computational requirements and technical sophistication of this work is increasing. As a result, it is imperative that the funding agencies create programs that can devote significant resources to these efforts outside of the context of the operations of individual major experiments, including smaller experiments and theory/simulation work. In this Snowmass 2021 Computational Frontier topical group report (CompF7: Reinterpretation and long-term preservation of data and code), we summarize the current state of the field and make recommendations for the future. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2209.08054v1-abstract-full').style.display = 'none'; document.getElementById('2209.08054v1-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 September, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 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">Snowmass 2021 Computational Frontier CompF7 Reinterpretation and long-term preservation of data and code topical group report</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2203.11226">arXiv:2203.11226</a> <span> [<a href="https://arxiv.org/pdf/2203.11226">pdf</a>, <a href="https://arxiv.org/format/2203.11226">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Cosmology and Nongalactic Astrophysics">astro-ph.CO</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Methods for Astrophysics">astro-ph.IM</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="High Energy Physics - Phenomenology">hep-ph</span> </div> </div> <p class="title is-5 mathjax"> Snowmass2021 Cosmic Frontier CF6 White Paper: Multi-Experiment Probes for Dark Energy -- Transients </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Kim%2C+A+G">Alex G. Kim</a>, <a href="/search/hep-ph?searchtype=author&query=Palmese%2C+A">Antonella Palmese</a>, <a href="/search/hep-ph?searchtype=author&query=Pereira%2C+M+E+S">Maria E. S. Pereira</a>, <a href="/search/hep-ph?searchtype=author&query=Aldering%2C+G">Greg Aldering</a>, <a href="/search/hep-ph?searchtype=author&query=Andrade-Oliveira%2C+F">Felipe Andrade-Oliveira</a>, <a href="/search/hep-ph?searchtype=author&query=Annis%2C+J">James Annis</a>, <a href="/search/hep-ph?searchtype=author&query=Bailey%2C+S">Stephen Bailey</a>, <a href="/search/hep-ph?searchtype=author&query=BenZvi%2C+S">Segev BenZvi</a>, <a href="/search/hep-ph?searchtype=author&query=Braga-Neto%2C+U">Ulysses Braga-Neto</a>, <a href="/search/hep-ph?searchtype=author&query=Courbin%2C+F">Fr茅d茅ric Courbin</a>, <a href="/search/hep-ph?searchtype=author&query=Garcia%2C+A">Alyssa Garcia</a>, <a href="/search/hep-ph?searchtype=author&query=Jeffery%2C+D">David Jeffery</a>, <a href="/search/hep-ph?searchtype=author&query=Narayan%2C+G">Gautham Narayan</a>, <a href="/search/hep-ph?searchtype=author&query=Perlmutter%2C+S">Saul Perlmutter</a>, <a href="/search/hep-ph?searchtype=author&query=Soares-Santos%2C+M">Marcelle Soares-Santos</a>, <a href="/search/hep-ph?searchtype=author&query=Treu%2C+T">Tommaso Treu</a>, <a href="/search/hep-ph?searchtype=author&query=Wang%2C+L">Lifan Wang</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="2203.11226v2-abstract-short" style="display: inline;"> This invited Snowmass 2021 White Paper highlights the power of joint-analysis of astronomical transients in advancing HEP Science and presents research activities that can realize the opportunities that come with current and upcoming projects. Transients of interest include gravitational wave events, neutrino events, strongly-lensed quasars and supernovae, and Type~Ia supernovae specifically. Thes… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.11226v2-abstract-full').style.display = 'inline'; document.getElementById('2203.11226v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2203.11226v2-abstract-full" style="display: none;"> This invited Snowmass 2021 White Paper highlights the power of joint-analysis of astronomical transients in advancing HEP Science and presents research activities that can realize the opportunities that come with current and upcoming projects. Transients of interest include gravitational wave events, neutrino events, strongly-lensed quasars and supernovae, and Type~Ia supernovae specifically. These transients can serve as probes of cosmological distances in the Universe and as cosmic laboratories of extreme strong-gravity, high-energy physics. Joint analysis refers to work that requires significant coordination from multiple experiments or facilities so encompasses Multi-Messenger Astronomy and optical transient discovery and distributed follow-up programs. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.11226v2-abstract-full').style.display = 'none'; document.getElementById('2203.11226v2-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 October, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 21 March, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 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">Minor updates to align with the feedback from the Snowmass Community Summer Study 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/2203.10057">arXiv:2203.10057</a> <span> [<a href="https://arxiv.org/pdf/2203.10057">pdf</a>, <a href="https://arxiv.org/format/2203.10057">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"> Data and Analysis Preservation, Recasting, and Reinterpretation </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Bailey%2C+S">Stephen Bailey</a>, <a href="/search/hep-ph?searchtype=author&query=Bierlich%2C+C">Christian Bierlich</a>, <a href="/search/hep-ph?searchtype=author&query=Buckley%2C+A">Andy Buckley</a>, <a href="/search/hep-ph?searchtype=author&query=Butterworth%2C+J">Jon Butterworth</a>, <a href="/search/hep-ph?searchtype=author&query=Cranmer%2C+K">Kyle Cranmer</a>, <a href="/search/hep-ph?searchtype=author&query=Feickert%2C+M">Matthew Feickert</a>, <a href="/search/hep-ph?searchtype=author&query=Heinrich%2C+L">Lukas Heinrich</a>, <a href="/search/hep-ph?searchtype=author&query=Huebl%2C+A">Axel Huebl</a>, <a href="/search/hep-ph?searchtype=author&query=Kraml%2C+S">Sabine Kraml</a>, <a href="/search/hep-ph?searchtype=author&query=Kvellestad%2C+A">Anders Kvellestad</a>, <a href="/search/hep-ph?searchtype=author&query=Lange%2C+C">Clemens Lange</a>, <a href="/search/hep-ph?searchtype=author&query=Lessa%2C+A">Andre Lessa</a>, <a href="/search/hep-ph?searchtype=author&query=Lassila-Perini%2C+K">Kati Lassila-Perini</a>, <a href="/search/hep-ph?searchtype=author&query=Nattrass%2C+C">Christine Nattrass</a>, <a href="/search/hep-ph?searchtype=author&query=Neubauer%2C+M+S">Mark S. Neubauer</a>, <a href="/search/hep-ph?searchtype=author&query=Sekmen%2C+S">Sezen Sekmen</a>, <a href="/search/hep-ph?searchtype=author&query=Stark%2C+G">Giordon Stark</a>, <a href="/search/hep-ph?searchtype=author&query=Watt%2C+G">Graeme Watt</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="2203.10057v1-abstract-short" style="display: inline;"> We make the case for the systematic, reliable preservation of event-wise data, derived data products, and executable analysis code. This preservation enables the analyses' long-term future reuse, in order to maximise the scientific impact of publicly funded particle-physics experiments. We cover the needs of both the experimental and theoretical particle physics communities, and outline the goals… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.10057v1-abstract-full').style.display = 'inline'; document.getElementById('2203.10057v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2203.10057v1-abstract-full" style="display: none;"> We make the case for the systematic, reliable preservation of event-wise data, derived data products, and executable analysis code. This preservation enables the analyses' long-term future reuse, in order to maximise the scientific impact of publicly funded particle-physics experiments. We cover the needs of both the experimental and theoretical particle physics communities, and outline the goals and benefits that are uniquely enabled by analysis recasting and reinterpretation. We also discuss technical challenges and infrastructure needs, as well as sociological challenges and changes, and give summary recommendations to the particle-physics community. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.10057v1-abstract-full').style.display = 'none'; document.getElementById('2203.10057v1-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 March, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 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">25 pages, 4 sets of recommendations. Contribution to Snowmass 2021</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2201.08403">arXiv:2201.08403</a> <span> [<a href="https://arxiv.org/pdf/2201.08403">pdf</a>, <a href="https://arxiv.org/format/2201.08403">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 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.105.093010">10.1103/PhysRevD.105.093010 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Modelling $W^+ W^-$ production with rapidity gaps at the LHC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Bailey%2C+S">S. Bailey</a>, <a href="/search/hep-ph?searchtype=author&query=Harland-Lang%2C+L+A">L. A. Harland-Lang</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="2201.08403v1-abstract-short" style="display: inline;"> We present a new calculation of $W^+ W^-$ production in the semi-exclusive channel, that is either with intact outgoing protons or rapidity gaps present in the final state, and with no colour flow between the colliding protons. This study provides the first complete prediction of the $W^+ W^-$ semi-exclusive cross section, as well as the breakdown between elastic and proton dissociative channels.… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2201.08403v1-abstract-full').style.display = 'inline'; document.getElementById('2201.08403v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2201.08403v1-abstract-full" style="display: none;"> We present a new calculation of $W^+ W^-$ production in the semi-exclusive channel, that is either with intact outgoing protons or rapidity gaps present in the final state, and with no colour flow between the colliding protons. This study provides the first complete prediction of the $W^+ W^-$ semi-exclusive cross section, as well as the breakdown between elastic and proton dissociative channels. It combines the structure function calculation for a precise modelling of the region of low momentum transfers with a parton-level calculation in the region of high momentum transfers. The survival factor probability of no additional proton-proton interactions is fully accounted for, including its kinematic and process dependence. We analyse in detail the role that the pure photon-initiated ($纬纬\to W^+ W^-$) subprocess plays, a comparison that is only viable by working in the electroweak axial gauge. In this way, we find that the dominance of this is not complete in the proton dissociative cases, although once $Z$-initiated production is included a significantly better matching to the complete calculation is achieved. A direct consequence of this is that the relative elastic, single and double dissociative fractions are in general different in comparison to the case of lepton pair production. We present a direct comparison to the recent ATLAS data on semi-exclusive $W^+ W^-$ production, finding excellent agreement within uncertainties. Our calculation is provided in the publicly available SuperChic 4.1 Monte Carlo (MC) generator, and can be passed to a general purpose MC for showering and hadronization of the final state. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2201.08403v1-abstract-full').style.display = 'none'; document.getElementById('2201.08403v1-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> 20 January, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 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">43 pages, 12 figures, 8 tables</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2012.04684">arXiv:2012.04684</a> <span> [<a href="https://arxiv.org/pdf/2012.04684">pdf</a>, <a href="https://arxiv.org/format/2012.04684">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 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/10.1140/epjc/s10052-021-09057-0">10.1140/epjc/s10052-021-09057-0 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Parton distributions from LHC, HERA, Tevatron and fixed target data: MSHT20 PDFs </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Bailey%2C+S">S. Bailey</a>, <a href="/search/hep-ph?searchtype=author&query=Cridge%2C+T">T. Cridge</a>, <a href="/search/hep-ph?searchtype=author&query=Harland-Lang%2C+L+A">L. A. Harland-Lang</a>, <a href="/search/hep-ph?searchtype=author&query=Martin%2C+A+D">A. D. Martin</a>, <a href="/search/hep-ph?searchtype=author&query=Thorne%2C+R+S">R. S. Thorne</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="2012.04684v4-abstract-short" style="display: inline;"> We present the new MSHT20 set of parton distribution functions (PDFs) of the proton, determined from global analyses of the available hard scattering data. The PDFs are made available at NNLO, NLO, and LO, and supersede the MMHT14 sets. They are obtained using the same basic framework, but the parameterisation is now adapted and extended, and there are 32 pairs of eigenvector PDFs. We also include… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2012.04684v4-abstract-full').style.display = 'inline'; document.getElementById('2012.04684v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2012.04684v4-abstract-full" style="display: none;"> We present the new MSHT20 set of parton distribution functions (PDFs) of the proton, determined from global analyses of the available hard scattering data. The PDFs are made available at NNLO, NLO, and LO, and supersede the MMHT14 sets. They are obtained using the same basic framework, but the parameterisation is now adapted and extended, and there are 32 pairs of eigenvector PDFs. We also include a large number of new data sets: from the final HERA combined data on total and heavy flavour structure functions, to final Tevatron data, and in particular a significant number of new LHC 7 and 8 TeV data sets on vector boson production, inclusive jets and top quark distributions. We include up to NNLO QCD corrections for all data sets that play a major role in the fit, and NLO EW corrections where relevant. We find that these updates have an important impact on the PDFs, and for the first time the NNLO fit is strongly favoured over the NLO, reflecting the wider range and in particular increased precision of data included in the fit. There are some changes to central values and a significant reduction in the uncertainties of the PDFs in many, though not all, cases. Nonetheless, the PDFs and the resulting predictions are generally within one standard deviation of the MMHT14 results. The major changes are the $u-d$ valence quark difference at small $x$, due to the improved parameterisation and new precise data, the $\bar d, \bar u$ difference at small $x$, due to a much improved parameterisation, and the strange quark PDF due to the effect of LHC $W,Z$ data and inclusion of new NNLO corrections for dimuon production in neutrino DIS. We discuss the phenomenological impact of our results, and in general find reduced uncertainties in predictions for processes such as Higgs, top quark pair and $W,Z$ production at post LHC Run-II energies. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2012.04684v4-abstract-full').style.display = 'none'; document.getElementById('2012.04684v4-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 August, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 8 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">140 pages, 96 figures, 16 tables. Published version plus very minor alterations - version 4</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> IPPP/20/58 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> The European Physical Journal C volume 81, Article number: 341 (2021) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2007.14491">arXiv:2007.14491</a> <span> [<a href="https://arxiv.org/pdf/2007.14491">pdf</a>, <a href="https://arxiv.org/format/2007.14491">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 - Experiment">hep-ex</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> <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/10.1088/1361-6471/abf3ba">10.1088/1361-6471/abf3ba <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The Large Hadron-Electron Collider at the HL-LHC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Agostini%2C+P">P. Agostini</a>, <a href="/search/hep-ph?searchtype=author&query=Aksakal%2C+H">H. Aksakal</a>, <a href="/search/hep-ph?searchtype=author&query=Alekhin%2C+S">S. Alekhin</a>, <a href="/search/hep-ph?searchtype=author&query=Allport%2C+P+P">P. P. Allport</a>, <a href="/search/hep-ph?searchtype=author&query=Andari%2C+N">N. Andari</a>, <a href="/search/hep-ph?searchtype=author&query=Andre%2C+K+D+J">K. D. J. Andre</a>, <a href="/search/hep-ph?searchtype=author&query=Angal-Kalinin%2C+D">D. Angal-Kalinin</a>, <a href="/search/hep-ph?searchtype=author&query=Antusch%2C+S">S. Antusch</a>, <a href="/search/hep-ph?searchtype=author&query=Bella%2C+L+A">L. Aperio Bella</a>, <a href="/search/hep-ph?searchtype=author&query=Apolinario%2C+L">L. Apolinario</a>, <a href="/search/hep-ph?searchtype=author&query=Apsimon%2C+R">R. Apsimon</a>, <a href="/search/hep-ph?searchtype=author&query=Apyan%2C+A">A. Apyan</a>, <a href="/search/hep-ph?searchtype=author&query=Arduini%2C+G">G. Arduini</a>, <a href="/search/hep-ph?searchtype=author&query=Ari%2C+V">V. Ari</a>, <a href="/search/hep-ph?searchtype=author&query=Armbruster%2C+A">A. Armbruster</a>, <a href="/search/hep-ph?searchtype=author&query=Armesto%2C+N">N. Armesto</a>, <a href="/search/hep-ph?searchtype=author&query=Auchmann%2C+B">B. Auchmann</a>, <a href="/search/hep-ph?searchtype=author&query=Aulenbacher%2C+K">K. Aulenbacher</a>, <a href="/search/hep-ph?searchtype=author&query=Azuelos%2C+G">G. Azuelos</a>, <a href="/search/hep-ph?searchtype=author&query=Backovic%2C+S">S. Backovic</a>, <a href="/search/hep-ph?searchtype=author&query=Bailey%2C+I">I. Bailey</a>, <a href="/search/hep-ph?searchtype=author&query=Bailey%2C+S">S. Bailey</a>, <a href="/search/hep-ph?searchtype=author&query=Balli%2C+F">F. Balli</a>, <a href="/search/hep-ph?searchtype=author&query=Behera%2C+S">S. Behera</a>, <a href="/search/hep-ph?searchtype=author&query=Behnke%2C+O">O. Behnke</a> , et al. (312 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="2007.14491v2-abstract-short" style="display: inline;"> The Large Hadron electron Collider (LHeC) is designed to move the field of deep inelastic scattering (DIS) to the energy and intensity frontier of particle physics. Exploiting energy recovery technology, it collides a novel, intense electron beam with a proton or ion beam from the High Luminosity--Large Hadron Collider (HL-LHC). The accelerator and interaction region are designed for concurrent el… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2007.14491v2-abstract-full').style.display = 'inline'; document.getElementById('2007.14491v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2007.14491v2-abstract-full" style="display: none;"> The Large Hadron electron Collider (LHeC) is designed to move the field of deep inelastic scattering (DIS) to the energy and intensity frontier of particle physics. Exploiting energy recovery technology, it collides a novel, intense electron beam with a proton or ion beam from the High Luminosity--Large Hadron Collider (HL-LHC). The accelerator and interaction region are designed for concurrent electron-proton and proton-proton operation. This report represents an update of the Conceptual Design Report (CDR) of the LHeC, published in 2012. It comprises new results on parton structure of the proton and heavier nuclei, QCD dynamics, electroweak and top-quark physics. It is shown how the LHeC will open a new chapter of nuclear particle physics in extending the accessible kinematic range in lepton-nucleus scattering by several orders of magnitude. Due to enhanced luminosity, large energy and the cleanliness of the hadronic final states, the LHeC has a strong Higgs physics programme and its own discovery potential for new physics. Building on the 2012 CDR, the report represents a detailed updated design of the energy recovery electron linac (ERL) including new lattice, magnet, superconducting radio frequency technology and further components. Challenges of energy recovery are described and the lower energy, high current, 3-turn ERL facility, PERLE at Orsay, is presented which uses the LHeC characteristics serving as a development facility for the design and operation of the LHeC. An updated detector design is presented corresponding to the acceptance, resolution and calibration goals which arise from the Higgs and parton density function physics programmes. The paper also presents novel results on the Future Circular Collider in electron-hadron mode, FCC-eh, which utilises the same ERL technology to further extend the reach of DIS to even higher centre-of-mass energies. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2007.14491v2-abstract-full').style.display = 'none'; document.getElementById('2007.14491v2-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 April, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 28 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">373 pages, many figures, to be published by J. Phys. G</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> CERN-ACC-Note-2020-0002 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> J.Phys.G 48 (2021) 11, 110501 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1909.10541">arXiv:1909.10541</a> <span> [<a href="https://arxiv.org/pdf/1909.10541">pdf</a>, <a href="https://arxiv.org/format/1909.10541">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/10.1140/epjc/s10052-020-7633-3">10.1140/epjc/s10052-020-7633-3 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Differential Top Quark Pair Production at the LHC: Challenges for PDF Fits </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Bailey%2C+S">Shaun Bailey</a>, <a href="/search/hep-ph?searchtype=author&query=Harland-Lang%2C+L">Lucian Harland-Lang</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="1909.10541v2-abstract-short" style="display: inline;"> We present the results of a PDF fit to differential top quark production within the MMHT framework. We in particular consider ATLAS data in the lepton + jet and dilepton channels and CMS data in the lepton + jet channel, at 8 TeV. While the fit quality to the ATLAS dilepton data is good, for the CMS case we see some issues in achieving a good fit quality for certain distributions. However, we focu… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1909.10541v2-abstract-full').style.display = 'inline'; document.getElementById('1909.10541v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1909.10541v2-abstract-full" style="display: none;"> We present the results of a PDF fit to differential top quark production within the MMHT framework. We in particular consider ATLAS data in the lepton + jet and dilepton channels and CMS data in the lepton + jet channel, at 8 TeV. While the fit quality to the ATLAS dilepton data is good, for the CMS case we see some issues in achieving a good fit quality for certain distributions. However, we focus on the ATLAS lepton + jet data, for which correlations of the statistical and systematic errors are provided across the four relevant distributions for PDF determination, namely $p_T^t$, $M_{tt}$, $y_t$ and $y_{tt}$. We find severe difficulties in fitting these distributions simultaneously, with particular sensitivity to the precise degree of correlation taken between the dominant two--point MC uncertainties in the data. We investigate the effect of some reasonable decorrelation of these uncertainties, finding the impact on the fit quality to be significant and the resultant gluon not negligible. This is in particular found to be larger than the effect of including NNLO QCD and NLO EW corrections in the top quark pair production cross section on the fit, motivating a closer understanding of the physics underlying these errors sources and in particular the uncertainty on the degree of correlation in them. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1909.10541v2-abstract-full').style.display = 'none'; document.getElementById('1909.10541v2-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 June, 2020; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 23 September, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2019. </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, 12 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> EUR. PHYS. J. C80 (2020) 60 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1907.08147">arXiv:1907.08147</a> <span> [<a href="https://arxiv.org/pdf/1907.08147">pdf</a>, <a href="https://arxiv.org/format/1907.08147">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"> Updates of PDFs in the MMHT framework </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Thorne%2C+R+S">R. S. Thorne</a>, <a href="/search/hep-ph?searchtype=author&query=Bailey%2C+S">S. Bailey</a>, <a href="/search/hep-ph?searchtype=author&query=Cridge%2C+T">T. Cridge</a>, <a href="/search/hep-ph?searchtype=author&query=Harland-Lang%2C+L+A">L. A. Harland-Lang</a>, <a href="/search/hep-ph?searchtype=author&query=Martin%2C+A+D">A. D. Martin</a>, <a href="/search/hep-ph?searchtype=author&query=Nathvani%2C+R">R. Nathvani</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="1907.08147v1-abstract-short" style="display: inline;"> We summarise recent developments in the path towards the "MMHT19" parton distribution functions. We concentrate on the extraction of the strange quark upon the improvement of theoretical calculations for NNLO charged current cross sections; the effect of an extension of our parameterisation; and the role of correlated uncertainties in some data sets which prove difficult to fit. </span> <span class="abstract-full has-text-grey-dark mathjax" id="1907.08147v1-abstract-full" style="display: none;"> We summarise recent developments in the path towards the "MMHT19" parton distribution functions. We concentrate on the extraction of the strange quark upon the improvement of theoretical calculations for NNLO charged current cross sections; the effect of an extension of our parameterisation; and the role of correlated uncertainties in some data sets which prove difficult to fit. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1907.08147v1-abstract-full').style.display = 'none'; document.getElementById('1907.08147v1-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 July, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2019. </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 DIS2019 Workshop, Torino. 6 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/1907.04802">arXiv:1907.04802</a> <span> [<a href="https://arxiv.org/pdf/1907.04802">pdf</a>, <a href="https://arxiv.org/format/1907.04802">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"> Towards Ultimate Parton Distributions from p+p and e+p Collisions </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Bailey%2C+S">Shaun Bailey</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="1907.04802v1-abstract-short" style="display: inline;"> We present results from a detailed assessment of the ultimate constraining power of LHC data on the PDFs that can be expected from the complete dataset, in particular after the High-Luminosity (HL) phase. To achieve this, HL-LHC pseudo-data for different projections of the experimental uncertainties are generated, and the resulting constraints on the PDF4LHC15 set are quantified by means of the He… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1907.04802v1-abstract-full').style.display = 'inline'; document.getElementById('1907.04802v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1907.04802v1-abstract-full" style="display: none;"> We present results from a detailed assessment of the ultimate constraining power of LHC data on the PDFs that can be expected from the complete dataset, in particular after the High-Luminosity (HL) phase. To achieve this, HL-LHC pseudo-data for different projections of the experimental uncertainties are generated, and the resulting constraints on the PDF4LHC15 set are quantified by means of the Hessian profiling method. We find that HL-LHC measurements can reduce PDF uncertainties by up to a factor of 2 to 4 in comparison to state-of-the-art fits, leading to few-percent uncertainties for important observables such as the Higgs boson transverse momentum distribution via gluon-fusion. Our results illustrate the significant improvement in the precision of PDF fits achievable from hadron collider data alone. In addition, we apply the same methodology to the final anticipated data sample from the proposed LHeC, and compare these with the HL-LHC projections, demonstrating an encouraging complementarity between the projected HL-LHC and LHeC constraints. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1907.04802v1-abstract-full').style.display = 'none'; document.getElementById('1907.04802v1-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> 10 July, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> July 2019. </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, 11 figures. Proceedings of the XXVII International Workshop on Deep-Inelastic Scattering and Related Subjects (DIS2019)</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1906.10127">arXiv:1906.10127</a> <span> [<a href="https://arxiv.org/pdf/1906.10127">pdf</a>, <a href="https://arxiv.org/format/1906.10127">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 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/10.21468/SciPostPhys.7.4.051">10.21468/SciPostPhys.7.4.051 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Probing Proton Structure at the Large Hadron electron Collider </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Khalek%2C+R+A">Rabah Abdul Khalek</a>, <a href="/search/hep-ph?searchtype=author&query=Bailey%2C+S">Shaun Bailey</a>, <a href="/search/hep-ph?searchtype=author&query=Gao%2C+J">Jun Gao</a>, <a href="/search/hep-ph?searchtype=author&query=Harland-Lang%2C+L">Lucian Harland-Lang</a>, <a href="/search/hep-ph?searchtype=author&query=Rojo%2C+J">Juan Rojo</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="1906.10127v3-abstract-short" style="display: inline;"> For the foreseeable future, the exploration of the high-energy frontier will be the domain of the Large Hadron Collider (LHC). Of particular significance will be its high-luminosity upgrade (HL-LHC), which will operate until the mid-2030s. In this endeavour, for the full exploitation of the HL-LHC physics potential an improved understanding of the parton distribution functions (PDFs) of the proton… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1906.10127v3-abstract-full').style.display = 'inline'; document.getElementById('1906.10127v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1906.10127v3-abstract-full" style="display: none;"> For the foreseeable future, the exploration of the high-energy frontier will be the domain of the Large Hadron Collider (LHC). Of particular significance will be its high-luminosity upgrade (HL-LHC), which will operate until the mid-2030s. In this endeavour, for the full exploitation of the HL-LHC physics potential an improved understanding of the parton distribution functions (PDFs) of the proton is critical. The HL-LHC program would be uniquely complemented by the proposed Large Hadron electron Collider (LHeC), a high-energy lepton-proton and lepton-nucleus collider based at CERN. In this work, we build on our recent PDF projections for the HL-LHC to assess the constraining power of the LHeC measurements of inclusive and heavy quark structure functions. We find that the impact of the LHeC would be significant, reducing PDF uncertainties by up to an order of magnitude in comparison to state-of-the-art global fits. In comparison to the HL-LHC projections, the PDF constraints from the LHeC are in general more significant for small and intermediate values of the momentum fraction x. At higher values of x, the impact of the LHeC and HL-LHC data is expected to be of a comparable size, with the HL-LHC constraints being more competitive in some cases, and the LHeC ones in others. Our results illustrate the encouraging complementarity of the HL-LHC and the LHeC in terms of charting the quark and gluon structure of the proton. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1906.10127v3-abstract-full').style.display = 'none'; document.getElementById('1906.10127v3-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 September, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 24 June, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2019. </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">27 pages, 13 figures. PDF projections for the LHeC and the HL-LHC available from Zenodo at https://zenodo.org/record/3250580. v2: extended discussion on methodological choices. v3 further cross-checks added</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Nikhef-2019-020 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> SciPost Phys. 7, 051 (2019) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1902.04070">arXiv:1902.04070</a> <span> [<a href="https://arxiv.org/pdf/1902.04070">pdf</a>, <a href="https://arxiv.org/format/1902.04070">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"> Standard Model Physics at the HL-LHC and HE-LHC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Azzi%2C+P">P. Azzi</a>, <a href="/search/hep-ph?searchtype=author&query=Farry%2C+S">S. Farry</a>, <a href="/search/hep-ph?searchtype=author&query=Nason%2C+P">P. Nason</a>, <a href="/search/hep-ph?searchtype=author&query=Tricoli%2C+A">A. Tricoli</a>, <a href="/search/hep-ph?searchtype=author&query=Zeppenfeld%2C+D">D. Zeppenfeld</a>, <a href="/search/hep-ph?searchtype=author&query=Khalek%2C+R+A">R. Abdul Khalek</a>, <a href="/search/hep-ph?searchtype=author&query=Alimena%2C+J">J. Alimena</a>, <a href="/search/hep-ph?searchtype=author&query=Andari%2C+N">N. Andari</a>, <a href="/search/hep-ph?searchtype=author&query=Bella%2C+L+A">L. Aperio Bella</a>, <a href="/search/hep-ph?searchtype=author&query=Armbruster%2C+A+J">A. J. Armbruster</a>, <a href="/search/hep-ph?searchtype=author&query=Baglio%2C+J">J. Baglio</a>, <a href="/search/hep-ph?searchtype=author&query=Bailey%2C+S">S. Bailey</a>, <a href="/search/hep-ph?searchtype=author&query=Bakos%2C+E">E. Bakos</a>, <a href="/search/hep-ph?searchtype=author&query=Bakshi%2C+A">A. Bakshi</a>, <a href="/search/hep-ph?searchtype=author&query=Baldenegro%2C+C">C. Baldenegro</a>, <a href="/search/hep-ph?searchtype=author&query=Balli%2C+F">F. Balli</a>, <a href="/search/hep-ph?searchtype=author&query=Barker%2C+A">A. Barker</a>, <a href="/search/hep-ph?searchtype=author&query=Barter%2C+W">W. Barter</a>, <a href="/search/hep-ph?searchtype=author&query=de+Blas%2C+J">J. de Blas</a>, <a href="/search/hep-ph?searchtype=author&query=Blekman%2C+F">F. Blekman</a>, <a href="/search/hep-ph?searchtype=author&query=Bloch%2C+D">D. Bloch</a>, <a href="/search/hep-ph?searchtype=author&query=Bodek%2C+A">A. Bodek</a>, <a href="/search/hep-ph?searchtype=author&query=Boonekamp%2C+M">M. Boonekamp</a>, <a href="/search/hep-ph?searchtype=author&query=Boos%2C+E">E. Boos</a>, <a href="/search/hep-ph?searchtype=author&query=Sola%2C+J+D+B">J. D. Bossio Sola</a> , et al. (201 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="1902.04070v3-abstract-short" style="display: inline;"> The successful operation of the Large Hadron Collider (LHC) and the excellent performance of the ATLAS, CMS, LHCb and ALICE detectors in Run-1 and Run-2 with $pp$ collisions at center-of-mass energies of 7, 8 and 13 TeV as well as the giant leap in precision calculations and modeling of fundamental interactions at hadron colliders have allowed an extraordinary breadth of physics studies including… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1902.04070v3-abstract-full').style.display = 'inline'; document.getElementById('1902.04070v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1902.04070v3-abstract-full" style="display: none;"> The successful operation of the Large Hadron Collider (LHC) and the excellent performance of the ATLAS, CMS, LHCb and ALICE detectors in Run-1 and Run-2 with $pp$ collisions at center-of-mass energies of 7, 8 and 13 TeV as well as the giant leap in precision calculations and modeling of fundamental interactions at hadron colliders have allowed an extraordinary breadth of physics studies including precision measurements of a variety physics processes. The LHC results have so far confirmed the validity of the Standard Model of particle physics up to unprecedented energy scales and with great precision in the sectors of strong and electroweak interactions as well as flavour physics, for instance in top quark physics. The upgrade of the LHC to a High Luminosity phase (HL-LHC) at 14 TeV center-of-mass energy with 3 ab$^{-1}$ of integrated luminosity will probe the Standard Model with even greater precision and will extend the sensitivity to possible anomalies in the Standard Model, thanks to a ten-fold larger data set, upgraded detectors and expected improvements in the theoretical understanding. This document summarises the physics reach of the HL-LHC in the realm of strong and electroweak interactions and top quark physics, and provides a glimpse of the potential of a possible further upgrade of the LHC to a 27 TeV $pp$ collider, the High-Energy LHC (HE-LHC), assumed to accumulate an integrated luminosity of 15 ab$^{-1}$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1902.04070v3-abstract-full').style.display = 'none'; document.getElementById('1902.04070v3-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> 20 December, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 11 February, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2019. </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">Report from Working Group 1 on the Physics of the HL-LHC, and Perspectives at the HE-LHC</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> CERN-LPCC-2018-03 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1902.00134">arXiv:1902.00134</a> <span> [<a href="https://arxiv.org/pdf/1902.00134">pdf</a>, <a href="https://arxiv.org/format/1902.00134">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"> Higgs Physics at the HL-LHC and HE-LHC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Cepeda%2C+M">M. Cepeda</a>, <a href="/search/hep-ph?searchtype=author&query=Gori%2C+S">S. Gori</a>, <a href="/search/hep-ph?searchtype=author&query=Ilten%2C+P">P. Ilten</a>, <a href="/search/hep-ph?searchtype=author&query=Kado%2C+M">M. Kado</a>, <a href="/search/hep-ph?searchtype=author&query=Riva%2C+F">F. Riva</a>, <a href="/search/hep-ph?searchtype=author&query=Khalek%2C+R+A">R. Abdul Khalek</a>, <a href="/search/hep-ph?searchtype=author&query=Aboubrahim%2C+A">A. Aboubrahim</a>, <a href="/search/hep-ph?searchtype=author&query=Alimena%2C+J">J. Alimena</a>, <a href="/search/hep-ph?searchtype=author&query=Alioli%2C+S">S. Alioli</a>, <a href="/search/hep-ph?searchtype=author&query=Alves%2C+A">A. Alves</a>, <a href="/search/hep-ph?searchtype=author&query=Asawatangtrakuldee%2C+C">C. Asawatangtrakuldee</a>, <a href="/search/hep-ph?searchtype=author&query=Azatov%2C+A">A. Azatov</a>, <a href="/search/hep-ph?searchtype=author&query=Azzi%2C+P">P. Azzi</a>, <a href="/search/hep-ph?searchtype=author&query=Bailey%2C+S">S. Bailey</a>, <a href="/search/hep-ph?searchtype=author&query=Banerjee%2C+S">S. Banerjee</a>, <a href="/search/hep-ph?searchtype=author&query=Barberio%2C+E+L">E. L. Barberio</a>, <a href="/search/hep-ph?searchtype=author&query=Barducci%2C+D">D. Barducci</a>, <a href="/search/hep-ph?searchtype=author&query=Barone%2C+G">G. Barone</a>, <a href="/search/hep-ph?searchtype=author&query=Bauer%2C+M">M. Bauer</a>, <a href="/search/hep-ph?searchtype=author&query=Bautista%2C+C">C. Bautista</a>, <a href="/search/hep-ph?searchtype=author&query=Bechtle%2C+P">P. Bechtle</a>, <a href="/search/hep-ph?searchtype=author&query=Becker%2C+K">K. Becker</a>, <a href="/search/hep-ph?searchtype=author&query=Benaglia%2C+A">A. Benaglia</a>, <a href="/search/hep-ph?searchtype=author&query=Bengala%2C+M">M. Bengala</a>, <a href="/search/hep-ph?searchtype=author&query=Berger%2C+N">N. Berger</a> , et al. (352 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="1902.00134v2-abstract-short" style="display: inline;"> The discovery of the Higgs boson in 2012, by the ATLAS and CMS experiments, was a success achieved with only a percent of the entire dataset foreseen for the LHC. It opened a landscape of possibilities in the study of Higgs boson properties, Electroweak Symmetry breaking and the Standard Model in general, as well as new avenues in probing new physics beyond the Standard Model. Six years after the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1902.00134v2-abstract-full').style.display = 'inline'; document.getElementById('1902.00134v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1902.00134v2-abstract-full" style="display: none;"> The discovery of the Higgs boson in 2012, by the ATLAS and CMS experiments, was a success achieved with only a percent of the entire dataset foreseen for the LHC. It opened a landscape of possibilities in the study of Higgs boson properties, Electroweak Symmetry breaking and the Standard Model in general, as well as new avenues in probing new physics beyond the Standard Model. Six years after the discovery, with a conspicuously larger dataset collected during LHC Run 2 at a 13 TeV centre-of-mass energy, the theory and experimental particle physics communities have started a meticulous exploration of the potential for precision measurements of its properties. This includes studies of Higgs boson production and decays processes, the search for rare decays and production modes, high energy observables, and searches for an extended electroweak symmetry breaking sector. This report summarises the potential reach and opportunities in Higgs physics during the High Luminosity phase of the LHC, with an expected dataset of pp collisions at 14 TeV, corresponding to an integrated luminosity of 3 ab$^{-1}$. These studies are performed in light of the most recent analyses from LHC collaborations and the latest theoretical developments. The potential of an LHC upgrade, colliding protons at a centre-of-mass energy of 27 TeV and producing a dataset corresponding to an integrated luminosity of 15 ab$^{-1}$, is also discussed. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1902.00134v2-abstract-full').style.display = 'none'; document.getElementById('1902.00134v2-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 March, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 31 January, 2019; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2019. </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">Report from Working Group 2 on the Physics of the HL-LHC, and Perspectives at the HE-LHC, 364 pages</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> CERN-LPCC-2018-04 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1810.03639">arXiv:1810.03639</a> <span> [<a href="https://arxiv.org/pdf/1810.03639">pdf</a>, <a href="https://arxiv.org/format/1810.03639">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 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/10.1140/epjc/s10052-018-6448-y">10.1140/epjc/s10052-018-6448-y <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Towards Ultimate Parton Distributions at the High-Luminosity LHC </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Khalek%2C+R+A">Rabah Abdul Khalek</a>, <a href="/search/hep-ph?searchtype=author&query=Bailey%2C+S">Shaun Bailey</a>, <a href="/search/hep-ph?searchtype=author&query=Gao%2C+J">Jun Gao</a>, <a href="/search/hep-ph?searchtype=author&query=Harland-Lang%2C+L">Lucian Harland-Lang</a>, <a href="/search/hep-ph?searchtype=author&query=Rojo%2C+J">Juan Rojo</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="1810.03639v1-abstract-short" style="display: inline;"> Since its start of data taking, the LHC has provided an impressive wealth of information on the quark and gluon structure of the proton. Indeed, modern global analyses of parton distribution functions (PDFs) include a wide range of LHC measurements of processes such as the production of jets, electroweak gauge bosons, and top quark pairs. In this work, we assess the ultimate constraining power of… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1810.03639v1-abstract-full').style.display = 'inline'; document.getElementById('1810.03639v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1810.03639v1-abstract-full" style="display: none;"> Since its start of data taking, the LHC has provided an impressive wealth of information on the quark and gluon structure of the proton. Indeed, modern global analyses of parton distribution functions (PDFs) include a wide range of LHC measurements of processes such as the production of jets, electroweak gauge bosons, and top quark pairs. In this work, we assess the ultimate constraining power of LHC data on the PDFs that can be expected from the complete dataset, in particular after the High-Luminosity (HL) phase, starting in around 2025. The huge statistics of the HL-LHC, delivering $\mathcal{L}=3$ ab$^{-1}$ to ATLAS and CMS and $\mathcal{L}=0.3$ ab$^{-1}$ to LHCb, will lead to an extension of the kinematic coverage of PDF-sensitive measurements as well as to an improvement in their statistical and systematic uncertainties. Here we generate HL-LHC pseudo-data for different projections of the experimental uncertainties, and then quantify the resulting constraints on the PDF4LHC15 set by means of the Hessian profiling method. We find that HL-LHC measurements can reduce PDF uncertainties by up to a factor of 2 to 4 in comparison to state-of-the-art fits, leading to few-percent uncertainties for important observables such as the Higgs boson transverse momentum distribution via gluon-fusion. Our results illustrate the significant improvement in the precision of PDF fits achievable from hadron collider data alone, and motivate the continuation of the ongoing successful program of PDF-sensitive measurements by the LHC collaborations. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1810.03639v1-abstract-full').style.display = 'none'; document.getElementById('1810.03639v1-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> 8 October, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2018. </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">30 pages, 20 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Nikhef/2018-041 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1603.09303">arXiv:1603.09303</a> <span> [<a href="https://arxiv.org/pdf/1603.09303">pdf</a>, <a href="https://arxiv.org/format/1603.09303">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Computational Physics">physics.comp-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Cosmology and Nongalactic Astrophysics">astro-ph.CO</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="High Energy Physics - Lattice">hep-lat</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> </div> </div> <p class="title is-5 mathjax"> ASCR/HEP Exascale Requirements Review Report </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Habib%2C+S">Salman Habib</a>, <a href="/search/hep-ph?searchtype=author&query=Roser%2C+R">Robert Roser</a>, <a href="/search/hep-ph?searchtype=author&query=Gerber%2C+R">Richard Gerber</a>, <a href="/search/hep-ph?searchtype=author&query=Antypas%2C+K">Katie Antypas</a>, <a href="/search/hep-ph?searchtype=author&query=Riley%2C+K">Katherine Riley</a>, <a href="/search/hep-ph?searchtype=author&query=Williams%2C+T">Tim Williams</a>, <a href="/search/hep-ph?searchtype=author&query=Wells%2C+J">Jack Wells</a>, <a href="/search/hep-ph?searchtype=author&query=Straatsma%2C+T">Tjerk Straatsma</a>, <a href="/search/hep-ph?searchtype=author&query=Almgren%2C+A">A. Almgren</a>, <a href="/search/hep-ph?searchtype=author&query=Amundson%2C+J">J. Amundson</a>, <a href="/search/hep-ph?searchtype=author&query=Bailey%2C+S">S. Bailey</a>, <a href="/search/hep-ph?searchtype=author&query=Bard%2C+D">D. Bard</a>, <a href="/search/hep-ph?searchtype=author&query=Bloom%2C+K">K. Bloom</a>, <a href="/search/hep-ph?searchtype=author&query=Bockelman%2C+B">B. Bockelman</a>, <a href="/search/hep-ph?searchtype=author&query=Borgland%2C+A">A. Borgland</a>, <a href="/search/hep-ph?searchtype=author&query=Borrill%2C+J">J. Borrill</a>, <a href="/search/hep-ph?searchtype=author&query=Boughezal%2C+R">R. Boughezal</a>, <a href="/search/hep-ph?searchtype=author&query=Brower%2C+R">R. Brower</a>, <a href="/search/hep-ph?searchtype=author&query=Cowan%2C+B">B. Cowan</a>, <a href="/search/hep-ph?searchtype=author&query=Finkel%2C+H">H. Finkel</a>, <a href="/search/hep-ph?searchtype=author&query=Frontiere%2C+N">N. Frontiere</a>, <a href="/search/hep-ph?searchtype=author&query=Fuess%2C+S">S. Fuess</a>, <a href="/search/hep-ph?searchtype=author&query=Ge%2C+L">L. Ge</a>, <a href="/search/hep-ph?searchtype=author&query=Gnedin%2C+N">N. Gnedin</a>, <a href="/search/hep-ph?searchtype=author&query=Gottlieb%2C+S">S. Gottlieb</a> , et al. (29 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="1603.09303v2-abstract-short" style="display: inline;"> This draft report summarizes and details the findings, results, and recommendations derived from the ASCR/HEP Exascale Requirements Review meeting held in June, 2015. The main conclusions are as follows. 1) Larger, more capable computing and data facilities are needed to support HEP science goals in all three frontiers: Energy, Intensity, and Cosmic. The expected scale of the demand at the 2025 ti… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1603.09303v2-abstract-full').style.display = 'inline'; document.getElementById('1603.09303v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1603.09303v2-abstract-full" style="display: none;"> This draft report summarizes and details the findings, results, and recommendations derived from the ASCR/HEP Exascale Requirements Review meeting held in June, 2015. The main conclusions are as follows. 1) Larger, more capable computing and data facilities are needed to support HEP science goals in all three frontiers: Energy, Intensity, and Cosmic. The expected scale of the demand at the 2025 timescale is at least two orders of magnitude -- and in some cases greater -- than that available currently. 2) The growth rate of data produced by simulations is overwhelming the current ability, of both facilities and researchers, to store and analyze it. Additional resources and new techniques for data analysis are urgently needed. 3) Data rates and volumes from HEP experimental facilities are also straining the ability to store and analyze large and complex data volumes. Appropriately configured leadership-class facilities can play a transformational role in enabling scientific discovery from these datasets. 4) A close integration of HPC simulation and data analysis will aid greatly in interpreting results from HEP experiments. Such an integration will minimize data movement and facilitate interdependent workflows. 5) Long-range planning between HEP and ASCR will be required to meet HEP's research needs. To best use ASCR HPC resources the experimental HEP program needs a) an established long-term plan for access to ASCR computational and data resources, b) an ability to map workflows onto HPC resources, c) the ability for ASCR facilities to accommodate workflows run by collaborations that can have thousands of individual members, d) to transition codes to the next-generation HPC platforms that will be available at ASCR facilities, e) to build up and train a workforce capable of developing and using simulations and analysis to support HEP scientific research on next-generation systems. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1603.09303v2-abstract-full').style.display = 'none'; document.getElementById('1603.09303v2-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> 31 March, 2016; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 30 March, 2016; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 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">77 pages, 13 Figures; draft report, subject to further revision</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1406.6311">arXiv:1406.6311</a> <span> [<a href="https://arxiv.org/pdf/1406.6311">pdf</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 - Experiment">hep-ex</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/10.1140/epjc/s10052-014-3026-9">10.1140/epjc/s10052-014-3026-9 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> The Physics of the B Factories </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Bevan%2C+A+J">A. J. Bevan</a>, <a href="/search/hep-ph?searchtype=author&query=Golob%2C+B">B. Golob</a>, <a href="/search/hep-ph?searchtype=author&query=Mannel%2C+T">Th. Mannel</a>, <a href="/search/hep-ph?searchtype=author&query=Prell%2C+S">S. Prell</a>, <a href="/search/hep-ph?searchtype=author&query=Yabsley%2C+B+D">B. D. Yabsley</a>, <a href="/search/hep-ph?searchtype=author&query=Abe%2C+K">K. Abe</a>, <a href="/search/hep-ph?searchtype=author&query=Aihara%2C+H">H. Aihara</a>, <a href="/search/hep-ph?searchtype=author&query=Anulli%2C+F">F. Anulli</a>, <a href="/search/hep-ph?searchtype=author&query=Arnaud%2C+N">N. Arnaud</a>, <a href="/search/hep-ph?searchtype=author&query=Aushev%2C+T">T. Aushev</a>, <a href="/search/hep-ph?searchtype=author&query=Beneke%2C+M">M. Beneke</a>, <a href="/search/hep-ph?searchtype=author&query=Beringer%2C+J">J. Beringer</a>, <a href="/search/hep-ph?searchtype=author&query=Bianchi%2C+F">F. Bianchi</a>, <a href="/search/hep-ph?searchtype=author&query=Bigi%2C+I+I">I. I. Bigi</a>, <a href="/search/hep-ph?searchtype=author&query=Bona%2C+M">M. Bona</a>, <a href="/search/hep-ph?searchtype=author&query=Brambilla%2C+N">N. Brambilla</a>, <a href="/search/hep-ph?searchtype=author&query=rodzicka%2C+J+B">J. B rodzicka</a>, <a href="/search/hep-ph?searchtype=author&query=Chang%2C+P">P. Chang</a>, <a href="/search/hep-ph?searchtype=author&query=Charles%2C+M+J">M. J. Charles</a>, <a href="/search/hep-ph?searchtype=author&query=Cheng%2C+C+H">C. H. Cheng</a>, <a href="/search/hep-ph?searchtype=author&query=Cheng%2C+H+-">H. -Y. Cheng</a>, <a href="/search/hep-ph?searchtype=author&query=Chistov%2C+R">R. Chistov</a>, <a href="/search/hep-ph?searchtype=author&query=Colangelo%2C+P">P. Colangelo</a>, <a href="/search/hep-ph?searchtype=author&query=Coleman%2C+J+P">J. P. Coleman</a>, <a href="/search/hep-ph?searchtype=author&query=Drutskoy%2C+A">A. Drutskoy</a> , et al. (2009 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="1406.6311v4-abstract-short" style="display: inline;"> This work is on the Physics of the B Factories. Part A of this book contains a brief description of the SLAC and KEK B Factories as well as their detectors, BaBar and Belle, and data taking related issues. Part B discusses tools and methods used by the experiments in order to obtain results. The results themselves can be found in Part C. Please note that version 3 on the archive is the auxiliary… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1406.6311v4-abstract-full').style.display = 'inline'; document.getElementById('1406.6311v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1406.6311v4-abstract-full" style="display: none;"> This work is on the Physics of the B Factories. Part A of this book contains a brief description of the SLAC and KEK B Factories as well as their detectors, BaBar and Belle, and data taking related issues. Part B discusses tools and methods used by the experiments in order to obtain results. The results themselves can be found in Part C. Please note that version 3 on the archive is the auxiliary version of the Physics of the B Factories book. This uses the notation alpha, beta, gamma for the angles of the Unitarity Triangle. The nominal version uses the notation phi_1, phi_2 and phi_3. Please cite this work as Eur. Phys. J. C74 (2014) 3026. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1406.6311v4-abstract-full').style.display = 'none'; document.getElementById('1406.6311v4-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> 31 October, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 24 June, 2014; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 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">928 pages, version 3 (arXiv:1406.6311v3) corresponds to the alpha, beta, gamma version of the book, the other versions use the phi1, phi2, phi3 notation</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> SLAC-PUB-15968, KEK Preprint 2014-3 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Eur. Phys. J. C74 (2014) 3026 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1202.4717">arXiv:1202.4717</a> <span> [<a href="https://arxiv.org/pdf/1202.4717">pdf</a>, <a href="https://arxiv.org/format/1202.4717">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 - Experiment">hep-ex</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/10.1103/PhysRevLett.108.241801">10.1103/PhysRevLett.108.241801 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Determination of the sign of the decay width difference in the B_s system </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=LHCb+Collaboration"> LHCb Collaboration</a>, <a href="/search/hep-ph?searchtype=author&query=Aaij%2C+R">R. Aaij</a>, <a href="/search/hep-ph?searchtype=author&query=Beteta%2C+C+A">C. Abellan Beteta</a>, <a href="/search/hep-ph?searchtype=author&query=Adeva%2C+B">B. Adeva</a>, <a href="/search/hep-ph?searchtype=author&query=Adinolfi%2C+M">M. Adinolfi</a>, <a href="/search/hep-ph?searchtype=author&query=Adrover%2C+C">C. Adrover</a>, <a href="/search/hep-ph?searchtype=author&query=Affolder%2C+A">A. Affolder</a>, <a href="/search/hep-ph?searchtype=author&query=Ajaltouni%2C+Z">Z. Ajaltouni</a>, <a href="/search/hep-ph?searchtype=author&query=Albrecht%2C+J">J. Albrecht</a>, <a href="/search/hep-ph?searchtype=author&query=Alessio%2C+F">F. Alessio</a>, <a href="/search/hep-ph?searchtype=author&query=Alexander%2C+M">M. Alexander</a>, <a href="/search/hep-ph?searchtype=author&query=Alkhazov%2C+G">G. Alkhazov</a>, <a href="/search/hep-ph?searchtype=author&query=Cartelle%2C+P+A">P. Alvarez Cartelle</a>, <a href="/search/hep-ph?searchtype=author&query=Alves%2C+A+A">A. A. Alves Jr</a>, <a href="/search/hep-ph?searchtype=author&query=Amato%2C+S">S. Amato</a>, <a href="/search/hep-ph?searchtype=author&query=Amhis%2C+Y">Y. Amhis</a>, <a href="/search/hep-ph?searchtype=author&query=Anderson%2C+J">J. Anderson</a>, <a href="/search/hep-ph?searchtype=author&query=Appleby%2C+R+B">R. B. Appleby</a>, <a href="/search/hep-ph?searchtype=author&query=Gutierrez%2C+O+A">O. Aquines Gutierrez</a>, <a href="/search/hep-ph?searchtype=author&query=Archilli%2C+F">F. Archilli</a>, <a href="/search/hep-ph?searchtype=author&query=Arrabito%2C+L">L. Arrabito</a>, <a href="/search/hep-ph?searchtype=author&query=Artamonov%2C+A">A. Artamonov</a>, <a href="/search/hep-ph?searchtype=author&query=Artuso%2C+M">M. Artuso</a>, <a href="/search/hep-ph?searchtype=author&query=Aslanides%2C+E">E. Aslanides</a>, <a href="/search/hep-ph?searchtype=author&query=Auriemma%2C+G">G. Auriemma</a> , et al. (572 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="1202.4717v4-abstract-short" style="display: inline;"> The interference between the K+K- S-wave and P-wave amplitudes in B_s -> J/psi K+K- decays with the K+K- pairs in the region around the phi(1020) resonance is used to determine the variation of the difference of the strong phase between these amplitudes as a function of K+K- invariant mass. Combined with the results from our CP asymmetry measurements in B_s -> J/psi phi decays, we conclude that th… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1202.4717v4-abstract-full').style.display = 'inline'; document.getElementById('1202.4717v4-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1202.4717v4-abstract-full" style="display: none;"> The interference between the K+K- S-wave and P-wave amplitudes in B_s -> J/psi K+K- decays with the K+K- pairs in the region around the phi(1020) resonance is used to determine the variation of the difference of the strong phase between these amplitudes as a function of K+K- invariant mass. Combined with the results from our CP asymmetry measurements in B_s -> J/psi phi decays, we conclude that the B_s mass eigenstate that is almost CP =+1 is lighter and decays faster than the mass eigenstate that is almost CP =-1. This determines the sign of the decay width difference DeltaGamma_s == Gamma_L -Gamma_H to be positive. Our result also resolves the ambiguity in the past measurements of the CP violating phase phi_s to be close to zero rather than pi. These conclusions are in agreement with the Standard Model expectations. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1202.4717v4-abstract-full').style.display = 'none'; document.getElementById('1202.4717v4-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 July, 2012; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 21 February, 2012; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2012. </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">7 pages, 4 figures, published on Physical Review Letters</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> CERN-PH-EP-2012-050; LHCb-PAPER-2011-028 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 108, 241801 (2012) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1112.1600">arXiv:1112.1600</a> <span> [<a href="https://arxiv.org/pdf/1112.1600">pdf</a>, <a href="https://arxiv.org/format/1112.1600">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 - Experiment">hep-ex</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.2012.01.038">10.1016/j.physletb.2012.01.038 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Search for the rare decays Bs -> mu+ mu- and B0 -> mu+ mu- </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=LHCb+Collaboration"> LHCb Collaboration</a>, <a href="/search/hep-ph?searchtype=author&query=Aaij%2C+R">R. Aaij</a>, <a href="/search/hep-ph?searchtype=author&query=Beteta%2C+C+A">C. Abellan Beteta</a>, <a href="/search/hep-ph?searchtype=author&query=Adeva%2C+B">B. Adeva</a>, <a href="/search/hep-ph?searchtype=author&query=Adinolfi%2C+M">M. Adinolfi</a>, <a href="/search/hep-ph?searchtype=author&query=Adrover%2C+C">C. Adrover</a>, <a href="/search/hep-ph?searchtype=author&query=Affolder%2C+A">A. Affolder</a>, <a href="/search/hep-ph?searchtype=author&query=Ajaltouni%2C+Z">Z. Ajaltouni</a>, <a href="/search/hep-ph?searchtype=author&query=Albrecht%2C+J">J. Albrecht</a>, <a href="/search/hep-ph?searchtype=author&query=Alessio%2C+F">F. Alessio</a>, <a href="/search/hep-ph?searchtype=author&query=Alexander%2C+M">M. Alexander</a>, <a href="/search/hep-ph?searchtype=author&query=Alkhazov%2C+G">G. Alkhazov</a>, <a href="/search/hep-ph?searchtype=author&query=Cartelle%2C+P+A">P. Alvarez Cartelle</a>, <a href="/search/hep-ph?searchtype=author&query=Alves%2C+A+A">A. A. Alves Jr</a>, <a href="/search/hep-ph?searchtype=author&query=Amato%2C+S">S. Amato</a>, <a href="/search/hep-ph?searchtype=author&query=Amhis%2C+Y">Y. Amhis</a>, <a href="/search/hep-ph?searchtype=author&query=Anderson%2C+J">J. Anderson</a>, <a href="/search/hep-ph?searchtype=author&query=Appleby%2C+R+B">R. B. Appleby</a>, <a href="/search/hep-ph?searchtype=author&query=Gutierrez%2C+O+A">O. Aquines Gutierrez</a>, <a href="/search/hep-ph?searchtype=author&query=Archilli%2C+F">F. Archilli</a>, <a href="/search/hep-ph?searchtype=author&query=Arrabito%2C+L">L. Arrabito</a>, <a href="/search/hep-ph?searchtype=author&query=Artamonov%2C+A">A. Artamonov</a>, <a href="/search/hep-ph?searchtype=author&query=Artuso%2C+M">M. Artuso</a>, <a href="/search/hep-ph?searchtype=author&query=Aslanides%2C+E">E. Aslanides</a>, <a href="/search/hep-ph?searchtype=author&query=Auriemma%2C+G">G. Auriemma</a> , et al. (568 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="1112.1600v3-abstract-short" style="display: inline;"> A search for the decays Bs -> mu+ mu- and B0 -> mu+ mu- is performed with 0.37 fb^-1 of pp collisions at sqrt{s} = 7 TeV collected by the LHCb experiment in 2011. The upper limits on the branching fractions are BR (Bs -> mu+ mu-) < 1.6 x 10^-8 and BR(B0 -> mu+ mu-) < 3.6 x 10^-9 at 95% confidence level. A combination of these results with the LHCb limits obtained with the 2010 dataset leads to BR… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1112.1600v3-abstract-full').style.display = 'inline'; document.getElementById('1112.1600v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1112.1600v3-abstract-full" style="display: none;"> A search for the decays Bs -> mu+ mu- and B0 -> mu+ mu- is performed with 0.37 fb^-1 of pp collisions at sqrt{s} = 7 TeV collected by the LHCb experiment in 2011. The upper limits on the branching fractions are BR (Bs -> mu+ mu-) < 1.6 x 10^-8 and BR(B0 -> mu+ mu-) < 3.6 x 10^-9 at 95% confidence level. A combination of these results with the LHCb limits obtained with the 2010 dataset leads to BR (Bs -> mu+ mu-) < 1.4 x 10^-8 and BR (B0 -> mu+ mu-) < 3.2 x 10^-9 at 95% confidence level. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1112.1600v3-abstract-full').style.display = 'none'; document.getElementById('1112.1600v3-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 January, 2012; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 7 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">6+19 pages, 9 figures; minor changes; matches version accepted in Phys. Lett. B</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> CERN-PH-EP-2011-186; LHCb-PAPER-2011-025 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Physics Letters B 708 (2012) 55-67 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1109.6831">arXiv:1109.6831</a> <span> [<a href="https://arxiv.org/pdf/1109.6831">pdf</a>, <a href="https://arxiv.org/ps/1109.6831">ps</a>, <a href="https://arxiv.org/format/1109.6831">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 - Experiment">hep-ex</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/10.1103/PhysRevD.84.092001">10.1103/PhysRevD.84.092001 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurements of the Branching fractions for $B_(s) -> D_(s)蟺蟺蟺$ and $螞_b^0 -> 螞_c^+蟺蟺蟺$ </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=LHCb+Collaboration"> LHCb Collaboration</a>, <a href="/search/hep-ph?searchtype=author&query=Aaij%2C+R">R. Aaij</a>, <a href="/search/hep-ph?searchtype=author&query=Adeva%2C+B">B. Adeva</a>, <a href="/search/hep-ph?searchtype=author&query=Adinolfi%2C+M">M. Adinolfi</a>, <a href="/search/hep-ph?searchtype=author&query=Adrover%2C+C">C. Adrover</a>, <a href="/search/hep-ph?searchtype=author&query=Affolder%2C+A">A. Affolder</a>, <a href="/search/hep-ph?searchtype=author&query=Ajaltouni%2C+Z">Z. Ajaltouni</a>, <a href="/search/hep-ph?searchtype=author&query=Albrecht%2C+J">J. Albrecht</a>, <a href="/search/hep-ph?searchtype=author&query=Alessio%2C+F">F. Alessio</a>, <a href="/search/hep-ph?searchtype=author&query=Alexander%2C+M">M. Alexander</a>, <a href="/search/hep-ph?searchtype=author&query=Alkhazov%2C+G">G. Alkhazov</a>, <a href="/search/hep-ph?searchtype=author&query=Cartelle%2C+P+A">P. Alvarez Cartelle</a>, <a href="/search/hep-ph?searchtype=author&query=Alves%2C+A+A">A. A. Alves Jr</a>, <a href="/search/hep-ph?searchtype=author&query=Amato%2C+S">S. Amato</a>, <a href="/search/hep-ph?searchtype=author&query=Amhis%2C+Y">Y. Amhis</a>, <a href="/search/hep-ph?searchtype=author&query=Anderson%2C+J">J. Anderson</a>, <a href="/search/hep-ph?searchtype=author&query=Appleby%2C+R+B">R. B. Appleby</a>, <a href="/search/hep-ph?searchtype=author&query=Gutierrez%2C+O+A">O. Aquines Gutierrez</a>, <a href="/search/hep-ph?searchtype=author&query=Archilli%2C+F">F. Archilli</a>, <a href="/search/hep-ph?searchtype=author&query=Arrabito%2C+L">L. Arrabito</a>, <a href="/search/hep-ph?searchtype=author&query=Artamonov%2C+A">A. Artamonov</a>, <a href="/search/hep-ph?searchtype=author&query=Artuso%2C+M">M. Artuso</a>, <a href="/search/hep-ph?searchtype=author&query=Aslanides%2C+E">E. Aslanides</a>, <a href="/search/hep-ph?searchtype=author&query=Auriemma%2C+G">G. Auriemma</a>, <a href="/search/hep-ph?searchtype=author&query=Bachmann%2C+S">S. Bachmann</a> , et al. (544 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="1109.6831v1-abstract-short" style="display: inline;"> Branching fractions of the decays $H_b\to H_c蟺^-蟺^+蟺^-$ relative to $H_b\to H_c蟺^-$ are presented, where $H_b$ ($H_c$) represents B^0-bar($D^+$), $B^-$ ($D^0$), B_s^0-bar ($D_s^+$) and $螞_b^0$ ($螞_c^+$). The measurements are performed with the LHCb detector using 35${\rm pb^{-1}}$ of data collected at $\sqrt{s}=7$ TeV. The ratios of branching fractions are measured to be B(B^0-bar -> D^+蟺^-蟺^+蟺^… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1109.6831v1-abstract-full').style.display = 'inline'; document.getElementById('1109.6831v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1109.6831v1-abstract-full" style="display: none;"> Branching fractions of the decays $H_b\to H_c蟺^-蟺^+蟺^-$ relative to $H_b\to H_c蟺^-$ are presented, where $H_b$ ($H_c$) represents B^0-bar($D^+$), $B^-$ ($D^0$), B_s^0-bar ($D_s^+$) and $螞_b^0$ ($螞_c^+$). The measurements are performed with the LHCb detector using 35${\rm pb^{-1}}$ of data collected at $\sqrt{s}=7$ TeV. The ratios of branching fractions are measured to be B(B^0-bar -> D^+蟺^-蟺^+蟺^-)/ B(B^0-bar -> D^+蟺^-) = 2.38\pm0.11\pm0.21 B(B^- -> D^0蟺^-蟺^+蟺^-) / B(B^- -> D^0蟺^-) = 1.27\pm0.06\pm0.11 B(B_s^0-bar -> D_s^+蟺^-蟺^+蟺^-) / B(B_s^0-bar -> D_s^+蟺^-) = 2.01\pm0.37\pm0.20 B(螞_b^0->螞_c^+蟺^-蟺^+蟺^-) / B(螞_b^0 -> 螞_c^+蟺^-) = 1.43\pm0.16\pm0.13. We also report measurements of partial decay rates of these decays to excited charm hadrons. These results are of comparable or higher precision than existing measurements. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1109.6831v1-abstract-full').style.display = 'none'; document.getElementById('1109.6831v1-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 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">26 pages, 9 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> LHCb-PAPER-2011-016; CERN-PH-EP-2011-151 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.D84:092001,2011; Erratum: PhysRevD.85.039904 (2012) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1103.3667">arXiv:1103.3667</a> <span> [<a href="https://arxiv.org/pdf/1103.3667">pdf</a>, <a href="https://arxiv.org/ps/1103.3667">ps</a>, <a href="https://arxiv.org/format/1103.3667">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Nuclear Experiment">nucl-ex</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/10.1103/PhysRevLett.107.022501">10.1103/PhysRevLett.107.022501 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Transverse Beam Spin Asymmetries at Backward Angles in Elastic Electron-Proton and Quasi-elastic Electron-Deuteron Scattering </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=The+G0+Collaboration"> The G0 Collaboration</a>, <a href="/search/hep-ph?searchtype=author&query=Androi%C4%87%2C+D">D. Androi膰</a>, <a href="/search/hep-ph?searchtype=author&query=Armstrong%2C+D+S">D. S. Armstrong</a>, <a href="/search/hep-ph?searchtype=author&query=Arvieux%2C+J">J. Arvieux</a>, <a href="/search/hep-ph?searchtype=author&query=Bailey%2C+S+L">S. L. Bailey</a>, <a href="/search/hep-ph?searchtype=author&query=Beck%2C+D+H">D. H. Beck</a>, <a href="/search/hep-ph?searchtype=author&query=Beise%2C+E+J">E. J. Beise</a>, <a href="/search/hep-ph?searchtype=author&query=Benesch%2C+J">J. Benesch</a>, <a href="/search/hep-ph?searchtype=author&query=Benmokhtar%2C+F">F. Benmokhtar</a>, <a href="/search/hep-ph?searchtype=author&query=Bimbot%2C+L">L. Bimbot</a>, <a href="/search/hep-ph?searchtype=author&query=Birchall%2C+J">J. Birchall</a>, <a href="/search/hep-ph?searchtype=author&query=Bosted%2C+P">P. Bosted</a>, <a href="/search/hep-ph?searchtype=author&query=Breuer%2C+H">H. Breuer</a>, <a href="/search/hep-ph?searchtype=author&query=Capuano%2C+C+L">C. L. Capuano</a>, <a href="/search/hep-ph?searchtype=author&query=Chao%2C+Y+-">Y. -C. Chao</a>, <a href="/search/hep-ph?searchtype=author&query=Coppens%2C+A">A. Coppens</a>, <a href="/search/hep-ph?searchtype=author&query=Davis%2C+C+A">C. A. Davis</a>, <a href="/search/hep-ph?searchtype=author&query=Ellis%2C+C">C. Ellis</a>, <a href="/search/hep-ph?searchtype=author&query=Flores%2C+G">G. Flores</a>, <a href="/search/hep-ph?searchtype=author&query=Franklin%2C+G">G. Franklin</a>, <a href="/search/hep-ph?searchtype=author&query=Furget%2C+C">C. Furget</a>, <a href="/search/hep-ph?searchtype=author&query=Gaskell%2C+D">D. Gaskell</a>, <a href="/search/hep-ph?searchtype=author&query=Gericke%2C+M+T+W">M. T. W. Gericke</a>, <a href="/search/hep-ph?searchtype=author&query=Grames%2C+J">J. Grames</a>, <a href="/search/hep-ph?searchtype=author&query=Guillard%2C+G">G. Guillard</a> , et al. (45 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="1103.3667v3-abstract-short" style="display: inline;"> We have measured the beam-normal single-spin asymmetries in elastic scattering of transversely polarized electrons from the proton, and performed the first measurement in quasi-elastic scattering on the deuteron, at backward angles (lab scattering angle of 108 degrees) for Q2 = 0.22 GeV^2/c^2 and 0.63 GeV^2/c^2 at beam energies of 362 MeV and 687 MeV, respectively. The asymmetry arises due to the… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1103.3667v3-abstract-full').style.display = 'inline'; document.getElementById('1103.3667v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1103.3667v3-abstract-full" style="display: none;"> We have measured the beam-normal single-spin asymmetries in elastic scattering of transversely polarized electrons from the proton, and performed the first measurement in quasi-elastic scattering on the deuteron, at backward angles (lab scattering angle of 108 degrees) for Q2 = 0.22 GeV^2/c^2 and 0.63 GeV^2/c^2 at beam energies of 362 MeV and 687 MeV, respectively. The asymmetry arises due to the imaginary part of the interference of the two-photon exchange amplitude with that of single photon exchange. Results for the proton are consistent with a model calculation which includes inelastic intermediate hadronic (piN) states. An estimate of the beam-normal single-spin asymmetry for the scattering from the neutron is made using a quasi-static deuterium approximation, and is also in agreement with theory. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1103.3667v3-abstract-full').style.display = 'none'; document.getElementById('1103.3667v3-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 June, 2011; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 18 March, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2011. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.Lett.107:022501,2011 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1103.2465">arXiv:1103.2465</a> <span> [<a href="https://arxiv.org/pdf/1103.2465">pdf</a>, <a href="https://arxiv.org/format/1103.2465">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 - Experiment">hep-ex</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.2011.04.031">10.1016/j.physletb.2011.04.031 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Search for the rare decays Bs -->mumu and Bd -->mumu </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=LHCb+Collaboration"> LHCb Collaboration</a>, <a href="/search/hep-ph?searchtype=author&query=Aaij%2C+R">R. Aaij</a>, <a href="/search/hep-ph?searchtype=author&query=Adeva%2C+B">B. Adeva</a>, <a href="/search/hep-ph?searchtype=author&query=Adinolfi%2C+M">M. Adinolfi</a>, <a href="/search/hep-ph?searchtype=author&query=Adrover%2C+C">C. Adrover</a>, <a href="/search/hep-ph?searchtype=author&query=Affolder%2C+A">A. Affolder</a>, <a href="/search/hep-ph?searchtype=author&query=Ajaltouni%2C+Z">Z. Ajaltouni</a>, <a href="/search/hep-ph?searchtype=author&query=Albrecht%2C+J">J. Albrecht</a>, <a href="/search/hep-ph?searchtype=author&query=Alessio%2C+F">F. Alessio</a>, <a href="/search/hep-ph?searchtype=author&query=Alexander%2C+M">M. Alexander</a>, <a href="/search/hep-ph?searchtype=author&query=Cartelle%2C+P+A">P. Alvarez Cartelle</a>, <a href="/search/hep-ph?searchtype=author&query=Alves%2C+A+A">A. A. Alves Jr</a>, <a href="/search/hep-ph?searchtype=author&query=Amato%2C+S">S. Amato</a>, <a href="/search/hep-ph?searchtype=author&query=Amhis%2C+Y">Y. Amhis</a>, <a href="/search/hep-ph?searchtype=author&query=Amoraal%2C+J">J. Amoraal</a>, <a href="/search/hep-ph?searchtype=author&query=Anderson%2C+J">J. Anderson</a>, <a href="/search/hep-ph?searchtype=author&query=Appleby%2C+R+B">R. B. Appleby</a>, <a href="/search/hep-ph?searchtype=author&query=Gutierrez%2C+O+A">O. Aquines Gutierrez</a>, <a href="/search/hep-ph?searchtype=author&query=Arrabito%2C+L">L. Arrabito</a>, <a href="/search/hep-ph?searchtype=author&query=Artuso%2C+M">M. Artuso</a>, <a href="/search/hep-ph?searchtype=author&query=Aslanides%2C+E">E. Aslanides</a>, <a href="/search/hep-ph?searchtype=author&query=Auriemma%2C+G">G. Auriemma</a>, <a href="/search/hep-ph?searchtype=author&query=Bachmann%2C+S">S. Bachmann</a>, <a href="/search/hep-ph?searchtype=author&query=Bailey%2C+D+S">D. S. Bailey</a>, <a href="/search/hep-ph?searchtype=author&query=Balagura%2C+V">V. Balagura</a> , et al. (520 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="1103.2465v3-abstract-short" style="display: inline;"> A search for the decays Bs-->mumu and Bd-->mumu is performed with about 37 pb^{-1} of pp collisions at sqrt{s} = 7 TeV collected by the LHCb experiment at the Large Hadron Collider at CERN. The observed numbers of events are consistent with the background expectations. The resulting upper limits on the branching ratios are BR(Bs-->mumu) < 5.6 x 10^{-8} and BR(Bd-->mumu) <1.5 x 10^{-8} at 95% confi… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1103.2465v3-abstract-full').style.display = 'inline'; document.getElementById('1103.2465v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1103.2465v3-abstract-full" style="display: none;"> A search for the decays Bs-->mumu and Bd-->mumu is performed with about 37 pb^{-1} of pp collisions at sqrt{s} = 7 TeV collected by the LHCb experiment at the Large Hadron Collider at CERN. The observed numbers of events are consistent with the background expectations. The resulting upper limits on the branching ratios are BR(Bs-->mumu) < 5.6 x 10^{-8} and BR(Bd-->mumu) <1.5 x 10^{-8} at 95% confidence level. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1103.2465v3-abstract-full').style.display = 'none'; document.getElementById('1103.2465v3-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 July, 2012; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 12 March, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 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">18 pages, 5 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> LHCb-PAPER-2011-004; CERN-PH-EP-2011-029 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Physics Letters B699 (2011) 330-340 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1102.0206">arXiv:1102.0206</a> <span> [<a href="https://arxiv.org/pdf/1102.0206">pdf</a>, <a href="https://arxiv.org/ps/1102.0206">ps</a>, <a href="https://arxiv.org/format/1102.0206">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 - Experiment">hep-ex</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.2011.03.006">10.1016/j.physletb.2011.03.006 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> First observation of Bs -> J/psi f0(980) decays </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=The+LHCb+Collaboration"> The LHCb Collaboration</a>, <a href="/search/hep-ph?searchtype=author&query=Aaij%2C+R">R. Aaij</a>, <a href="/search/hep-ph?searchtype=author&query=Adeva%2C+B">B. Adeva</a>, <a href="/search/hep-ph?searchtype=author&query=Adinolfi%2C+M">M. Adinolfi</a>, <a href="/search/hep-ph?searchtype=author&query=Adrover%2C+C">C. Adrover</a>, <a href="/search/hep-ph?searchtype=author&query=Affolder%2C+A">A. Affolder</a>, <a href="/search/hep-ph?searchtype=author&query=Ajaltouni%2C+Z">Z. Ajaltouni</a>, <a href="/search/hep-ph?searchtype=author&query=Albrecht%2C+J">J. Albrecht</a>, <a href="/search/hep-ph?searchtype=author&query=Alessio%2C+F">F. Alessio</a>, <a href="/search/hep-ph?searchtype=author&query=Alexander%2C+M">M. Alexander</a>, <a href="/search/hep-ph?searchtype=author&query=Cartelle%2C+P+A">P. Alvarez Cartelle</a>, <a href="/search/hep-ph?searchtype=author&query=Alves%2C+A+A">A. A. Alves Jr</a>, <a href="/search/hep-ph?searchtype=author&query=Amato%2C+S">S. Amato</a>, <a href="/search/hep-ph?searchtype=author&query=Amhis%2C+Y">Y. Amhis</a>, <a href="/search/hep-ph?searchtype=author&query=Amoraal%2C+J">J. Amoraal</a>, <a href="/search/hep-ph?searchtype=author&query=Anderson%2C+J">J. Anderson</a>, <a href="/search/hep-ph?searchtype=author&query=Appleby%2C+R+B">R. B. Appleby</a>, <a href="/search/hep-ph?searchtype=author&query=Gutierrez%2C+O+A">O. Aquines Gutierrez</a>, <a href="/search/hep-ph?searchtype=author&query=Arrabito%2C+L">L. Arrabito</a>, <a href="/search/hep-ph?searchtype=author&query=Artuso%2C+M">M. Artuso</a>, <a href="/search/hep-ph?searchtype=author&query=Aslanides%2C+E">E. Aslanides</a>, <a href="/search/hep-ph?searchtype=author&query=Auriemma%2C+G">G. Auriemma</a>, <a href="/search/hep-ph?searchtype=author&query=Bachmann%2C+S">S. Bachmann</a>, <a href="/search/hep-ph?searchtype=author&query=Bailey%2C+D+S">D. S. Bailey</a>, <a href="/search/hep-ph?searchtype=author&query=Balagura%2C+V">V. Balagura</a> , et al. (523 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="1102.0206v2-abstract-short" style="display: inline;"> Using data collected with the LHCb detector in proton-proton collisions at a centre-of-mass energy of 7 TeV, the hadronic decay Bs -> J/psi f0(980) is observed. This CP eigenstate mode could be used to measure mixing-induced CP violation in the B_s system. Using a fit to the pi+ pi- mass spectrum with interfering resonances gives R_{f0/phi} = [Gamma(Bs -> J/psi f0, f0 -> pi+ pi-)]/[Gamma(Bs -> J/p… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1102.0206v2-abstract-full').style.display = 'inline'; document.getElementById('1102.0206v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1102.0206v2-abstract-full" style="display: none;"> Using data collected with the LHCb detector in proton-proton collisions at a centre-of-mass energy of 7 TeV, the hadronic decay Bs -> J/psi f0(980) is observed. This CP eigenstate mode could be used to measure mixing-induced CP violation in the B_s system. Using a fit to the pi+ pi- mass spectrum with interfering resonances gives R_{f0/phi} = [Gamma(Bs -> J/psi f0, f0 -> pi+ pi-)]/[Gamma(Bs -> J/psi phi, phi -> K+K-)] = 0.252^{+0.046+0.027}_{-0.032-0.033}, where the uncertainties are statistical and systematic, respectively. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1102.0206v2-abstract-full').style.display = 'none'; document.getElementById('1102.0206v2-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 March, 2011; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 1 February, 2011; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 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">11 pages, 6 figures. To be published in Physics Letters B</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> LHCb-PAPER-2011-002; CERN-PH-EP-2011-011 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Lett.B698:115-122,2011 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1009.2731">arXiv:1009.2731</a> <span> [<a href="https://arxiv.org/pdf/1009.2731">pdf</a>, <a href="https://arxiv.org/ps/1009.2731">ps</a>, <a href="https://arxiv.org/format/1009.2731">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 - Experiment">hep-ex</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.2010.10.010">10.1016/j.physletb.2010.10.010 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of sigma(pp -> b anti-b X) at \sqrt(s)=7 TeV in the forward region </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=LHCb+Collaboration"> LHCb Collaboration</a>, <a href="/search/hep-ph?searchtype=author&query=Aaij%2C+R">R. Aaij</a>, <a href="/search/hep-ph?searchtype=author&query=Beteta%2C+C+A">C. Abellan Beteta</a>, <a href="/search/hep-ph?searchtype=author&query=Adeva%2C+B">B. Adeva</a>, <a href="/search/hep-ph?searchtype=author&query=Adinolfi%2C+M">M. Adinolfi</a>, <a href="/search/hep-ph?searchtype=author&query=Adrover%2C+C">C. Adrover</a>, <a href="/search/hep-ph?searchtype=author&query=Affolder%2C+A">A. Affolder</a>, <a href="/search/hep-ph?searchtype=author&query=Agari%2C+M">M. Agari</a>, <a href="/search/hep-ph?searchtype=author&query=Ajaltouni%2C+Z">Z. Ajaltouni</a>, <a href="/search/hep-ph?searchtype=author&query=Albrecht%2C+J">J. Albrecht</a>, <a href="/search/hep-ph?searchtype=author&query=Alessio%2C+F">F. Alessio</a>, <a href="/search/hep-ph?searchtype=author&query=Alexander%2C+M">M. Alexander</a>, <a href="/search/hep-ph?searchtype=author&query=Alfonsi%2C+M">M. Alfonsi</a>, <a href="/search/hep-ph?searchtype=author&query=Cartelle%2C+P+A">P. Alvarez Cartelle</a>, <a href="/search/hep-ph?searchtype=author&query=Alves%2C+A+A">A. A. Alves Jr</a>, <a href="/search/hep-ph?searchtype=author&query=Amato%2C+S">S. Amato</a>, <a href="/search/hep-ph?searchtype=author&query=Amhis%2C+Y">Y. Amhis</a>, <a href="/search/hep-ph?searchtype=author&query=Amoraal%2C+J">J. Amoraal</a>, <a href="/search/hep-ph?searchtype=author&query=Anderson%2C+J">J. Anderson</a>, <a href="/search/hep-ph?searchtype=author&query=Nobrega%2C+R+A">R. Antunes Nobrega</a>, <a href="/search/hep-ph?searchtype=author&query=Appleby%2C+R">R. Appleby</a>, <a href="/search/hep-ph?searchtype=author&query=Gutierrez%2C+O+A">O. Aquines Gutierrez</a>, <a href="/search/hep-ph?searchtype=author&query=Arefyev%2C+A">A. Arefyev</a>, <a href="/search/hep-ph?searchtype=author&query=Arrabito%2C+L">L. Arrabito</a>, <a href="/search/hep-ph?searchtype=author&query=Artuso%2C+M">M. Artuso</a> , et al. (606 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="1009.2731v2-abstract-short" style="display: inline;"> Decays of b hadrons into final states containing a D0 meson and a muon are used to measure the b anti-b production cross-section in proton-proton collisions at a centre-of-mass energy of 7 TeV at the LHC. In the pseudorapidity interval 2 < eta < 6 and integrated over all transverse momenta we find that the average cross-section to produce b-flavoured or anti-b-flavoured hadrons is (75.3 +/- 5.4 +/… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1009.2731v2-abstract-full').style.display = 'inline'; document.getElementById('1009.2731v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1009.2731v2-abstract-full" style="display: none;"> Decays of b hadrons into final states containing a D0 meson and a muon are used to measure the b anti-b production cross-section in proton-proton collisions at a centre-of-mass energy of 7 TeV at the LHC. In the pseudorapidity interval 2 < eta < 6 and integrated over all transverse momenta we find that the average cross-section to produce b-flavoured or anti-b-flavoured hadrons is (75.3 +/- 5.4 +/- 13.0) microbarns. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1009.2731v2-abstract-full').style.display = 'none'; document.getElementById('1009.2731v2-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 October, 2010; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 14 September, 2010; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 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, 5 figures, to be published in Physics Lett. B; v2 minor changes</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> LHCb-PAPER-2010-002; CERN-PH-EP-2010-029 </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Lett.B694:209-216,2010 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-ph/0201071">arXiv:hep-ph/0201071</a> <span> [<a href="https://arxiv.org/pdf/hep-ph/0201071">pdf</a>, <a href="https://arxiv.org/ps/hep-ph/0201071">ps</a>, <a href="https://arxiv.org/format/hep-ph/0201071">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"> B Physics at the Tevatron: Run II and Beyond </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ph?searchtype=author&query=Anikeev%2C+K">K. Anikeev</a>, <a href="/search/hep-ph?searchtype=author&query=Atwood%2C+D">D. Atwood</a>, <a href="/search/hep-ph?searchtype=author&query=Azfar%2C+F">F. Azfar</a>, <a href="/search/hep-ph?searchtype=author&query=Bailey%2C+S">S. Bailey</a>, <a href="/search/hep-ph?searchtype=author&query=Bauer%2C+C+W">C. W. Bauer</a>, <a href="/search/hep-ph?searchtype=author&query=Bell%2C+W">W. Bell</a>, <a href="/search/hep-ph?searchtype=author&query=Bodwin%2C+G">G. Bodwin</a>, <a href="/search/hep-ph?searchtype=author&query=Braaten%2C+E">E. Braaten</a>, <a href="/search/hep-ph?searchtype=author&query=Burdman%2C+G">G. Burdman</a>, <a href="/search/hep-ph?searchtype=author&query=Butler%2C+J+N">J. N. Butler</a>, <a href="/search/hep-ph?searchtype=author&query=Byrum%2C+K">K. Byrum</a>, <a href="/search/hep-ph?searchtype=author&query=Cason%2C+N">N. Cason</a>, <a href="/search/hep-ph?searchtype=author&query=Cerri%2C+A">A. Cerri</a>, <a href="/search/hep-ph?searchtype=author&query=Cheung%2C+H+W+K">H. W. K. Cheung</a>, <a href="/search/hep-ph?searchtype=author&query=Dighe%2C+A">A. Dighe</a>, <a href="/search/hep-ph?searchtype=author&query=Donati%2C+S">S. Donati</a>, <a href="/search/hep-ph?searchtype=author&query=Ellis%2C+R+K">R. K. Ellis</a>, <a href="/search/hep-ph?searchtype=author&query=Falk%2C+A">A. Falk</a>, <a href="/search/hep-ph?searchtype=author&query=Feild%2C+G">G. Feild</a>, <a href="/search/hep-ph?searchtype=author&query=Fleming%2C+S">S. Fleming</a>, <a href="/search/hep-ph?searchtype=author&query=Furic%2C+I">I. Furic</a>, <a href="/search/hep-ph?searchtype=author&query=Gardner%2C+S">S. Gardner</a>, <a href="/search/hep-ph?searchtype=author&query=Grossman%2C+Y">Y. Grossman</a>, <a href="/search/hep-ph?searchtype=author&query=Gutierrez%2C+G">G. Gutierrez</a>, <a href="/search/hep-ph?searchtype=author&query=Hao%2C+W">W. Hao</a> , et al. (66 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="hep-ph/0201071v2-abstract-short" style="display: inline;"> This report provides a comprehensive overview of the prospects for B physics at the Tevatron. The work was carried out during a series of workshops starting in September 1999. There were four working groups: 1) CP Violation, 2) Rare and Semileptonic Decays, 3) Mixing and Lifetimes, 4) Production, Fragmentation and Spectroscopy. The report also includes introductory chapters on theoretical and ex… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-ph/0201071v2-abstract-full').style.display = 'inline'; document.getElementById('hep-ph/0201071v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-ph/0201071v2-abstract-full" style="display: none;"> This report provides a comprehensive overview of the prospects for B physics at the Tevatron. The work was carried out during a series of workshops starting in September 1999. There were four working groups: 1) CP Violation, 2) Rare and Semileptonic Decays, 3) Mixing and Lifetimes, 4) Production, Fragmentation and Spectroscopy. The report also includes introductory chapters on theoretical and experimental tools emphasizing aspects of B physics specific to hadron colliders, as well as overviews of the CDF, D0, and BTeV detectors, and a Summary. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-ph/0201071v2-abstract-full').style.display = 'none'; document.getElementById('hep-ph/0201071v2-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 February, 2002; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 9 January, 2002; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2002. </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">583 pages. Further information on the workshops, including transparencies, can be found at the workshop's homepage: http://www-theory.lbl.gov/Brun2/. The report is also available in 2-up http://www-theory.lbl.gov/Brun2/report/report2.ps.gz or chapter-by-chapter http://www-theory.lbl.gov/Brun2/report/</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-Pub-01/197 </p> </li> </ol> <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 class="nav-spaced"> <li><a href="https://info.arxiv.org/about">About</a></li> <li><a href="https://info.arxiv.org/help">Help</a></li> </ul> </div> <div class="column"> <ul class="nav-spaced"> <li> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" class="icon filter-black" role="presentation"><title>contact 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