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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/2501.17119">arXiv:2501.17119</a> <span> [<a href="https://arxiv.org/pdf/2501.17119">pdf</a>, <a href="https://arxiv.org/format/2501.17119">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="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 - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> First Axion-Like Particle Results from a Broadband Search for Wave-Like Dark Matter in the 44 to 52 $渭$eV Range with a Coaxial Dish Antenna </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Hoshino%2C+G">Gabe Hoshino</a>, <a href="/search/physics?searchtype=author&query=Knirck%2C+S">Stefan Knirck</a>, <a href="/search/physics?searchtype=author&query=Awida%2C+M+H">Mohamed H. Awida</a>, <a href="/search/physics?searchtype=author&query=Cancelo%2C+G+I">Gustavo I. Cancelo</a>, <a href="/search/physics?searchtype=author&query=Corrodi%2C+S">Simon Corrodi</a>, <a href="/search/physics?searchtype=author&query=Di+Federico%2C+M">Martin Di Federico</a>, <a href="/search/physics?searchtype=author&query=Knepper%2C+B">Benjamin Knepper</a>, <a href="/search/physics?searchtype=author&query=Lapuente%2C+A">Alex Lapuente</a>, <a href="/search/physics?searchtype=author&query=Littmann%2C+M">Mira Littmann</a>, <a href="/search/physics?searchtype=author&query=Miller%2C+D+W">David W. Miller</a>, <a href="/search/physics?searchtype=author&query=Mitchell%2C+D+V">Donald V. Mitchell</a>, <a href="/search/physics?searchtype=author&query=Rodriguez%2C+D">Derrick Rodriguez</a>, <a href="/search/physics?searchtype=author&query=Ruschman%2C+M+K">Mark K. Ruschman</a>, <a href="/search/physics?searchtype=author&query=Salemi%2C+C+P">Chiara P. Salemi</a>, <a href="/search/physics?searchtype=author&query=Sawtell%2C+M+A">Matthew A. Sawtell</a>, <a href="/search/physics?searchtype=author&query=Stefanazzi%2C+L">Leandro Stefanazzi</a>, <a href="/search/physics?searchtype=author&query=Sonnenschein%2C+A">Andrew Sonnenschein</a>, <a href="/search/physics?searchtype=author&query=Teafoe%2C+G+W">Gary W. Teafoe</a>, <a href="/search/physics?searchtype=author&query=Winter%2C+P">Peter Winter</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="2501.17119v1-abstract-short" style="display: inline;"> We present the results from the first axion-like particle search conducted using a dish antenna. The experiment was conducted at room temperature and sensitive to axion-like particles in the $44-52\,渭\mathrm{eV}$ range ($10.7 - 12.5\,\mathrm{GHz}$). The novel dish antenna geometry was proposed by the BREAD collaboration and previously used to conduct a dark photon search in the same mass range. To… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2501.17119v1-abstract-full').style.display = 'inline'; document.getElementById('2501.17119v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2501.17119v1-abstract-full" style="display: none;"> We present the results from the first axion-like particle search conducted using a dish antenna. The experiment was conducted at room temperature and sensitive to axion-like particles in the $44-52\,渭\mathrm{eV}$ range ($10.7 - 12.5\,\mathrm{GHz}$). The novel dish antenna geometry was proposed by the BREAD collaboration and previously used to conduct a dark photon search in the same mass range. To allow for axion-like particle sensitivity, the BREAD dish antenna was placed in a $3.9\,\mathrm{T}$ solenoid magnet at Argonne National Laboratory. In the presence of a magnetic field, axion-like dark matter converts to photons at the conductive surface of the reflector. The signal is focused onto a custom coaxial horn antenna and read out with a low-noise radio-frequency receiver. No evidence of axion-like dark matter was observed in this mass range and we place the most stringent laboratory constraints on the axion-photon coupling strength, $g_{a纬纬}$, in this mass range at 90\% confidence. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2501.17119v1-abstract-full').style.display = 'none'; document.getElementById('2501.17119v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 28 January, 2025; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2025. </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, 3 figures</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2310.13891">arXiv:2310.13891</a> <span> [<a href="https://arxiv.org/pdf/2310.13891">pdf</a>, <a href="https://arxiv.org/format/2310.13891">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="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 - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</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.132.131004">10.1103/PhysRevLett.132.131004 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> First Results from a Broadband Search for Dark Photon Dark Matter in the $44$ to $52\,渭$eV range with a coaxial dish antenna </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Knirck%2C+S">Stefan Knirck</a>, <a href="/search/physics?searchtype=author&query=Hoshino%2C+G">Gabe Hoshino</a>, <a href="/search/physics?searchtype=author&query=Awida%2C+M+H">Mohamed H. Awida</a>, <a href="/search/physics?searchtype=author&query=Cancelo%2C+G+I">Gustavo I. Cancelo</a>, <a href="/search/physics?searchtype=author&query=Di+Federico%2C+M">Martin Di Federico</a>, <a href="/search/physics?searchtype=author&query=Knepper%2C+B">Benjamin Knepper</a>, <a href="/search/physics?searchtype=author&query=Lapuente%2C+A">Alex Lapuente</a>, <a href="/search/physics?searchtype=author&query=Littmann%2C+M">Mira Littmann</a>, <a href="/search/physics?searchtype=author&query=Miller%2C+D+W">David W. Miller</a>, <a href="/search/physics?searchtype=author&query=Mitchell%2C+D+V">Donald V. Mitchell</a>, <a href="/search/physics?searchtype=author&query=Rodriguez%2C+D">Derrick Rodriguez</a>, <a href="/search/physics?searchtype=author&query=Ruschman%2C+M+K">Mark K. Ruschman</a>, <a href="/search/physics?searchtype=author&query=Sawtell%2C+M+A">Matthew A. Sawtell</a>, <a href="/search/physics?searchtype=author&query=Stefanazzi%2C+L">Leandro Stefanazzi</a>, <a href="/search/physics?searchtype=author&query=Sonnenschein%2C+A">Andrew Sonnenschein</a>, <a href="/search/physics?searchtype=author&query=Teafoe%2C+G+W">Gary W. Teafoe</a>, <a href="/search/physics?searchtype=author&query=Bowring%2C+D">Daniel Bowring</a>, <a href="/search/physics?searchtype=author&query=Carosi%2C+G">G. Carosi</a>, <a href="/search/physics?searchtype=author&query=Chou%2C+A">Aaron Chou</a>, <a href="/search/physics?searchtype=author&query=Chang%2C+C+L">Clarence L. Chang</a>, <a href="/search/physics?searchtype=author&query=Dona%2C+K">Kristin Dona</a>, <a href="/search/physics?searchtype=author&query=Khatiwada%2C+R">Rakshya Khatiwada</a>, <a href="/search/physics?searchtype=author&query=Kurinsky%2C+N+A">Noah A. Kurinsky</a>, <a href="/search/physics?searchtype=author&query=Liu%2C+J">Jesse Liu</a>, <a href="/search/physics?searchtype=author&query=Pena%2C+C">Cristi谩n Pena</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="2310.13891v2-abstract-short" style="display: inline;"> We present first results from a dark photon dark matter search in the mass range from 44 to 52 $渭{\rm eV}$ ($10.7 - 12.5\,{\rm GHz}$) using a room-temperature dish antenna setup called GigaBREAD. Dark photon dark matter converts to ordinary photons on a cylindrical metallic emission surface with area $0.5\,{\rm m}^2$ and is focused by a novel parabolic reflector onto a horn antenna. Signals are re… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2310.13891v2-abstract-full').style.display = 'inline'; document.getElementById('2310.13891v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2310.13891v2-abstract-full" style="display: none;"> We present first results from a dark photon dark matter search in the mass range from 44 to 52 $渭{\rm eV}$ ($10.7 - 12.5\,{\rm GHz}$) using a room-temperature dish antenna setup called GigaBREAD. Dark photon dark matter converts to ordinary photons on a cylindrical metallic emission surface with area $0.5\,{\rm m}^2$ and is focused by a novel parabolic reflector onto a horn antenna. Signals are read out with a low-noise receiver system. A first data taking run with 24 days of data does not show evidence for dark photon dark matter in this mass range, excluding dark photon - photon mixing parameters $蠂\gtrsim 10^{-12}$ in this range at 90% confidence level. This surpasses existing constraints by about two orders of magnitude and is the most stringent bound on dark photons in this range below 49 $渭$eV. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2310.13891v2-abstract-full').style.display = 'none'; document.getElementById('2310.13891v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 3 May, 2024; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 20 October, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">6 pages, 4 figures, matches published version</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> FERMILAB-PUB-23-625-PPD </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 132, 131004 (2024) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2303.07116">arXiv:2303.07116</a> <span> [<a href="https://arxiv.org/pdf/2303.07116">pdf</a>, <a href="https://arxiv.org/ps/2303.07116">ps</a>, <a href="https://arxiv.org/format/2303.07116">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="High Energy Physics - Phenomenology">hep-ph</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="High Energy Physics - Experiment">hep-ex</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> Low Frequency (100-600 MHz) Searches with Axion Cavity Haloscopes </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Chakrabarty%2C+S">S. Chakrabarty</a>, <a href="/search/physics?searchtype=author&query=Gleason%2C+J+R">J. R. Gleason</a>, <a href="/search/physics?searchtype=author&query=Han%2C+Y">Y. Han</a>, <a href="/search/physics?searchtype=author&query=Hipp%2C+A+T">A. T. Hipp</a>, <a href="/search/physics?searchtype=author&query=Solano%2C+M">M. Solano</a>, <a href="/search/physics?searchtype=author&query=Sikivie%2C+P">P. Sikivie</a>, <a href="/search/physics?searchtype=author&query=Sullivan%2C+N+S">N. S. Sullivan</a>, <a href="/search/physics?searchtype=author&query=Tanner%2C+D+B">D. B. Tanner</a>, <a href="/search/physics?searchtype=author&query=Goryachev%2C+M">M. Goryachev</a>, <a href="/search/physics?searchtype=author&query=Hartman%2C+E">E. Hartman</a>, <a href="/search/physics?searchtype=author&query=McAllister%2C+B+T">B. T. McAllister</a>, <a href="/search/physics?searchtype=author&query=Quiskamp%2C+A">A. Quiskamp</a>, <a href="/search/physics?searchtype=author&query=Thomson%2C+C">C. Thomson</a>, <a href="/search/physics?searchtype=author&query=Tobar%2C+M+E">M. E. Tobar</a>, <a href="/search/physics?searchtype=author&query=Awida%2C+M+H">M. H. Awida</a>, <a href="/search/physics?searchtype=author&query=Chou%2C+A+S">A. S. Chou</a>, <a href="/search/physics?searchtype=author&query=Hollister%2C+M">M. Hollister</a>, <a href="/search/physics?searchtype=author&query=Knirck%2C+S">S. Knirck</a>, <a href="/search/physics?searchtype=author&query=Sonnenschein%2C+A">A. Sonnenschein</a>, <a href="/search/physics?searchtype=author&query=Wester%2C+W">W. Wester</a>, <a href="/search/physics?searchtype=author&query=Braine%2C+T">T. Braine</a>, <a href="/search/physics?searchtype=author&query=Guzzetti%2C+M">M. Guzzetti</a>, <a href="/search/physics?searchtype=author&query=Hanretty%2C+C">C. Hanretty</a>, <a href="/search/physics?searchtype=author&query=Leum%2C+G">G. Leum</a>, <a href="/search/physics?searchtype=author&query=Rosenberg%2C+L+J">L. J Rosenberg</a> , et al. (22 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="2303.07116v2-abstract-short" style="display: inline;"> We investigate reentrant and dielectric loaded cavities for the purpose of extending the range of axion cavity haloscopes to lower masses, below the range where the Axion Dark Matter eXperiment (ADMX) has already searched. Reentrant and dielectric loaded cavities were simulated numerically to calculate and optimize their form factors and quality factors. A prototype reentrant cavity was built and… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2303.07116v2-abstract-full').style.display = 'inline'; document.getElementById('2303.07116v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2303.07116v2-abstract-full" style="display: none;"> We investigate reentrant and dielectric loaded cavities for the purpose of extending the range of axion cavity haloscopes to lower masses, below the range where the Axion Dark Matter eXperiment (ADMX) has already searched. Reentrant and dielectric loaded cavities were simulated numerically to calculate and optimize their form factors and quality factors. A prototype reentrant cavity was built and its measured properties were compared with the simulations. We estimate the sensitivity of axion dark matter searches using reentrant and dielectric loaded cavities inserted in the existing ADMX magnet at the University of Washington and a large magnet being installed at Fermilab. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2303.07116v2-abstract-full').style.display = 'none'; document.getElementById('2303.07116v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 28 March, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 7 March, 2023; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> March 2023. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">33 pages, 24 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/2203.14923">arXiv:2203.14923</a> <span> [<a href="https://arxiv.org/pdf/2203.14923">pdf</a>, <a href="https://arxiv.org/format/2203.14923">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="Cosmology and Nongalactic Astrophysics">astro-ph.CO</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="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> Axion Dark Matter </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Adams%2C+C+B">C. B. Adams</a>, <a href="/search/physics?searchtype=author&query=Aggarwal%2C+N">N. Aggarwal</a>, <a href="/search/physics?searchtype=author&query=Agrawal%2C+A">A. Agrawal</a>, <a href="/search/physics?searchtype=author&query=Balafendiev%2C+R">R. Balafendiev</a>, <a href="/search/physics?searchtype=author&query=Bartram%2C+C">C. Bartram</a>, <a href="/search/physics?searchtype=author&query=Baryakhtar%2C+M">M. Baryakhtar</a>, <a href="/search/physics?searchtype=author&query=Bekker%2C+H">H. Bekker</a>, <a href="/search/physics?searchtype=author&query=Belov%2C+P">P. Belov</a>, <a href="/search/physics?searchtype=author&query=Berggren%2C+K+K">K. K. Berggren</a>, <a href="/search/physics?searchtype=author&query=Berlin%2C+A">A. Berlin</a>, <a href="/search/physics?searchtype=author&query=Boutan%2C+C">C. Boutan</a>, <a href="/search/physics?searchtype=author&query=Bowring%2C+D">D. Bowring</a>, <a href="/search/physics?searchtype=author&query=Budker%2C+D">D. Budker</a>, <a href="/search/physics?searchtype=author&query=Caldwell%2C+A">A. Caldwell</a>, <a href="/search/physics?searchtype=author&query=Carenza%2C+P">P. Carenza</a>, <a href="/search/physics?searchtype=author&query=Carosi%2C+G">G. Carosi</a>, <a href="/search/physics?searchtype=author&query=Cervantes%2C+R">R. Cervantes</a>, <a href="/search/physics?searchtype=author&query=Chakrabarty%2C+S+S">S. S. Chakrabarty</a>, <a href="/search/physics?searchtype=author&query=Chaudhuri%2C+S">S. Chaudhuri</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+T+Y">T. Y. Chen</a>, <a href="/search/physics?searchtype=author&query=Cheong%2C+S">S. Cheong</a>, <a href="/search/physics?searchtype=author&query=Chou%2C+A">A. Chou</a>, <a href="/search/physics?searchtype=author&query=Co%2C+R+T">R. T. Co</a>, <a href="/search/physics?searchtype=author&query=Conrad%2C+J">J. Conrad</a>, <a href="/search/physics?searchtype=author&query=Croon%2C+D">D. Croon</a> , et al. (130 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="2203.14923v3-abstract-short" style="display: inline;"> Axions are well-motivated dark matter candidates with simple cosmological production mechanisms. They were originally introduced to solve the strong CP problem, but also arise in a wide range of extensions to the Standard Model. This Snowmass white paper summarizes axion phenomenology and outlines next-generation laboratory experiments proposed to detect axion dark matter. There are vibrant synerg… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.14923v3-abstract-full').style.display = 'inline'; document.getElementById('2203.14923v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2203.14923v3-abstract-full" style="display: none;"> Axions are well-motivated dark matter candidates with simple cosmological production mechanisms. They were originally introduced to solve the strong CP problem, but also arise in a wide range of extensions to the Standard Model. This Snowmass white paper summarizes axion phenomenology and outlines next-generation laboratory experiments proposed to detect axion dark matter. There are vibrant synergies with astrophysical searches and advances in instrumentation including quantum-enabled readout, high-Q resonators and cavities and large high-field magnets. This white paper outlines a clear roadmap to discovery, and shows that the US is well-positioned to be at the forefront of the search for axion dark matter in the coming decade. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2203.14923v3-abstract-full').style.display = 'none'; document.getElementById('2203.14923v3-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> 29 March, 2023; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 28 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">restore and expand author list</span> </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2201.10969">arXiv:2201.10969</a> <span> [<a href="https://arxiv.org/pdf/2201.10969">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Accelerator Physics">physics.acc-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/10.1109/TASC.2022.3141990">10.1109/TASC.2022.3141990 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Tuning of Multicell Superconducting Accelerating Cavities using Pressurized Balloons </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Awida%2C+M+H">Mohamed H. Awida</a>, <a href="/search/physics?searchtype=author&query=Passarelli%2C+D">Donato Passarelli</a>, <a href="/search/physics?searchtype=author&query=Castellari%2C+M">Marco Castellari</a>, <a href="/search/physics?searchtype=author&query=Tesi%2C+A">Alessandro Tesi</a>, <a href="/search/physics?searchtype=author&query=Khabiboulline%2C+T">Timergali Khabiboulline</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="2201.10969v1-abstract-short" style="display: inline;"> Plastic tuning of multicell superconducting accelerating cavities is crucial in the development cycle of cavities for particle accelerators. Cavities must meet stringent requirements regarding the operating mode frequency, field flatness, and eccentricity before lining them up in a cryomodule string. After dressing bare cavities with helium vessels, the welded vessel prevents access to individual… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2201.10969v1-abstract-full').style.display = 'inline'; document.getElementById('2201.10969v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2201.10969v1-abstract-full" style="display: none;"> Plastic tuning of multicell superconducting accelerating cavities is crucial in the development cycle of cavities for particle accelerators. Cavities must meet stringent requirements regarding the operating mode frequency, field flatness, and eccentricity before lining them up in a cryomodule string. After dressing bare cavities with helium vessels, the welded vessel prevents access to individual cavity cells disallowing any further localized tuning. Currently, there is no straightforward way to tune dressed cavities other than cutting the vessel and then tuning the bare cavity and dressing it back, which would significantly impact cost and schedule. In this paper, we present a novel tuning technique for already jacketed cavities that is non-invasive and cost-effective. The proposed scheme employs pressurized balloons to be temporarily deployed inside the cavity as a means to localize mechanical deformation in specific cells. The proposed tuning technique was successfully utilized to recover a 9-cell 1.3 GHz tesla-style cavity. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2201.10969v1-abstract-full').style.display = 'none'; document.getElementById('2201.10969v1-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 26 January, 2022; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2022. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2201.08488">arXiv:2201.08488</a> <span> [<a href="https://arxiv.org/pdf/2201.08488">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</span> </div> </div> <p class="title is-5 mathjax"> Engineering of Form Factor in Rotationally Symmetric Photonic Cavities for Faster Axion Searches </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Awida%2C+M+H">Mohamed H. Awida</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="2201.08488v1-abstract-short" style="display: inline;"> Form factor can be engineered in photonic cavities such that it dramatically increases the scan speed of axion haloscope detectors. Using higher-order modes of a photonic cavity, we can probe axions at larger mass ranges beyond the reach of current detectors that rely on conventional copper cavities. The main idea is to produce a higher-order mode with longitudinal field distribution that has rela… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2201.08488v1-abstract-full').style.display = 'inline'; document.getElementById('2201.08488v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2201.08488v1-abstract-full" style="display: none;"> Form factor can be engineered in photonic cavities such that it dramatically increases the scan speed of axion haloscope detectors. Using higher-order modes of a photonic cavity, we can probe axions at larger mass ranges beyond the reach of current detectors that rely on conventional copper cavities. The main idea is to produce a higher-order mode with longitudinal field distribution that has relatively high amplitude away from both the cavity axis and the cavity walls such that it results in a relatively large form factor and maintains a high-quality factor. The detector scan speed significantly increases as it is proportional to the square of the form factor multiplied by the quality factor. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2201.08488v1-abstract-full').style.display = 'none'; document.getElementById('2201.08488v1-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> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2111.12103">arXiv:2111.12103</a> <span> [<a href="https://arxiv.org/pdf/2111.12103">pdf</a>, <a href="https://arxiv.org/format/2111.12103">other</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</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 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.128.131801">10.1103/PhysRevLett.128.131801 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Broadband solenoidal haloscope for terahertz axion detection </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Liu%2C+J">Jesse Liu</a>, <a href="/search/physics?searchtype=author&query=Dona%2C+K">Kristin Dona</a>, <a href="/search/physics?searchtype=author&query=Hoshino%2C+G">Gabe Hoshino</a>, <a href="/search/physics?searchtype=author&query=Knirck%2C+S">Stefan Knirck</a>, <a href="/search/physics?searchtype=author&query=Kurinsky%2C+N">Noah Kurinsky</a>, <a href="/search/physics?searchtype=author&query=Malaker%2C+M">Matthew Malaker</a>, <a href="/search/physics?searchtype=author&query=Miller%2C+D+W">David W. Miller</a>, <a href="/search/physics?searchtype=author&query=Sonnenschein%2C+A">Andrew Sonnenschein</a>, <a href="/search/physics?searchtype=author&query=Awida%2C+M+H">Mohamed H. Awida</a>, <a href="/search/physics?searchtype=author&query=Barry%2C+P+S">Peter S. Barry</a>, <a href="/search/physics?searchtype=author&query=Berggren%2C+K+K">Karl K. Berggren</a>, <a href="/search/physics?searchtype=author&query=Bowring%2C+D">Daniel Bowring</a>, <a href="/search/physics?searchtype=author&query=Carosi%2C+G">Gianpaolo Carosi</a>, <a href="/search/physics?searchtype=author&query=Chang%2C+C">Clarence Chang</a>, <a href="/search/physics?searchtype=author&query=Chou%2C+A">Aaron Chou</a>, <a href="/search/physics?searchtype=author&query=Khatiwada%2C+R">Rakshya Khatiwada</a>, <a href="/search/physics?searchtype=author&query=Lewis%2C+S">Samantha Lewis</a>, <a href="/search/physics?searchtype=author&query=Li%2C+J">Juliang Li</a>, <a href="/search/physics?searchtype=author&query=Nam%2C+S+W">Sae Woo Nam</a>, <a href="/search/physics?searchtype=author&query=Noroozian%2C+O">Omid Noroozian</a>, <a href="/search/physics?searchtype=author&query=Zhou%2C+T+X">Tony X. Zhou</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="2111.12103v2-abstract-short" style="display: inline;"> We introduce the Broadband Reflector Experiment for Axion Detection (BREAD) conceptual design and science program. This haloscope plans to search for bosonic dark matter across the [10$^{-3}$, 1] eV ([0.24, 240] THz) mass range. BREAD proposes a cylindrical metal barrel to convert dark matter into photons, which a novel parabolic reflector design focuses onto a photosensor. This unique geometry en… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2111.12103v2-abstract-full').style.display = 'inline'; document.getElementById('2111.12103v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2111.12103v2-abstract-full" style="display: none;"> We introduce the Broadband Reflector Experiment for Axion Detection (BREAD) conceptual design and science program. This haloscope plans to search for bosonic dark matter across the [10$^{-3}$, 1] eV ([0.24, 240] THz) mass range. BREAD proposes a cylindrical metal barrel to convert dark matter into photons, which a novel parabolic reflector design focuses onto a photosensor. This unique geometry enables enclosure in standard cryostats and high-field solenoids, overcoming limitations of current dish antennas. A pilot 0.7 m$^{2}$ barrel experiment planned at Fermilab is projected to surpass existing dark photon coupling constraints by over a decade with one-day runtime. Axion sensitivity requires $<10^{-20}$ W/$\sqrt{\textrm{Hz}}$ sensor noise equivalent power with a 10 T solenoid and 10 m$^{2}$ barrel. We project BREAD sensitivity for various sensor technologies and discuss future prospects. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2111.12103v2-abstract-full').style.display = 'none'; document.getElementById('2111.12103v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 24 March, 2022; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 23 November, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">5 pages, 2 figures + references and appendices, v2 matches journal version</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 128 (2022) 131801 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/2110.06096">arXiv:2110.06096</a> <span> [<a href="https://arxiv.org/pdf/2110.06096">pdf</a>, <a href="https://arxiv.org/format/2110.06096">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="Cosmology and Nongalactic Astrophysics">astro-ph.CO</span> <span class="tag is-small is-grey tooltip is-tooltip-top" data-tooltip="Instrumentation and Detectors">physics.ins-det</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.127.261803">10.1103/PhysRevLett.127.261803 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Search for "Invisible" Axion Dark Matter in the $3.3\text{-}4.2~渭$eV Mass Range </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=ADMX+Collaboration"> ADMX Collaboration</a>, <a href="/search/physics?searchtype=author&query=Bartram%2C+C">C. Bartram</a>, <a href="/search/physics?searchtype=author&query=Braine%2C+T">T. Braine</a>, <a href="/search/physics?searchtype=author&query=Burns%2C+E">E. Burns</a>, <a href="/search/physics?searchtype=author&query=Cervantes%2C+R">R. Cervantes</a>, <a href="/search/physics?searchtype=author&query=Crisosto%2C+N">N. Crisosto</a>, <a href="/search/physics?searchtype=author&query=Du%2C+N">N. Du</a>, <a href="/search/physics?searchtype=author&query=Korandla%2C+H">H. Korandla</a>, <a href="/search/physics?searchtype=author&query=Leum%2C+G">G. Leum</a>, <a href="/search/physics?searchtype=author&query=Mohapatra%2C+P">P. Mohapatra</a>, <a href="/search/physics?searchtype=author&query=Nitta%2C+T">T. Nitta</a>, <a href="/search/physics?searchtype=author&query=Rosenberg%2C+L+J">L. J Rosenberg</a>, <a href="/search/physics?searchtype=author&query=Rybka%2C+G">G. Rybka</a>, <a href="/search/physics?searchtype=author&query=Yang%2C+J">J. Yang</a>, <a href="/search/physics?searchtype=author&query=Clarke%2C+J">John Clarke</a>, <a href="/search/physics?searchtype=author&query=Siddiqi%2C+I">I. Siddiqi</a>, <a href="/search/physics?searchtype=author&query=Agrawal%2C+A">A. Agrawal</a>, <a href="/search/physics?searchtype=author&query=Dixit%2C+A+V">A. V. Dixit</a>, <a href="/search/physics?searchtype=author&query=Awida%2C+M+H">M. H. Awida</a>, <a href="/search/physics?searchtype=author&query=Chou%2C+A+S">A. S. Chou</a>, <a href="/search/physics?searchtype=author&query=Hollister%2C+M">M. Hollister</a>, <a href="/search/physics?searchtype=author&query=Knirck%2C+S">S. Knirck</a>, <a href="/search/physics?searchtype=author&query=Sonnenschein%2C+A">A. Sonnenschein</a>, <a href="/search/physics?searchtype=author&query=Wester%2C+W">W. Wester</a>, <a href="/search/physics?searchtype=author&query=Gleason%2C+J+R">J. R. Gleason</a> , et al. (27 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="2110.06096v3-abstract-short" style="display: inline;"> We report the results from a haloscope search for axion dark matter in the $3.3\text{-}4.2~渭$eV mass range. This search excludes the axion-photon coupling predicted by one of the benchmark models of "invisible" axion dark matter, the KSVZ model. This sensitivity is achieved using a large-volume cavity, a superconducting magnet, an ultra low noise Josephson parametric amplifier, and sub-Kelvin temp… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2110.06096v3-abstract-full').style.display = 'inline'; document.getElementById('2110.06096v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2110.06096v3-abstract-full" style="display: none;"> We report the results from a haloscope search for axion dark matter in the $3.3\text{-}4.2~渭$eV mass range. This search excludes the axion-photon coupling predicted by one of the benchmark models of "invisible" axion dark matter, the KSVZ model. This sensitivity is achieved using a large-volume cavity, a superconducting magnet, an ultra low noise Josephson parametric amplifier, and sub-Kelvin temperatures. The validity of our detection procedure is ensured by injecting and detecting blind synthetic axion signals. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2110.06096v3-abstract-full').style.display = 'none'; document.getElementById('2110.06096v3-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> 29 December, 2021; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 12 October, 2021; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> October 2021. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">6 pages, 5 figures</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 127, 261803 (2021) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1806.08750">arXiv:1806.08750</a> <span> [<a href="https://arxiv.org/pdf/1806.08750">pdf</a>] </span> </p> <div class="tags is-inline-block"> <span class="tag is-small is-link tooltip is-tooltip-top" data-tooltip="Accelerator Physics">physics.acc-ph</span> </div> </div> <p class="title is-5 mathjax"> First Performance Results Of The PIP2IT MEBT 200 Ohm Kicker Prototype </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/physics?searchtype=author&query=Saewert%2C+G">G. Saewert</a>, <a href="/search/physics?searchtype=author&query=Awida%2C+M+H">M. H. Awida</a>, <a href="/search/physics?searchtype=author&query=Chase%2C+B+E">B. E. Chase</a>, <a href="/search/physics?searchtype=author&query=Chen%2C+A">A. Chen</a>, <a href="/search/physics?searchtype=author&query=Einstein-Curtis%2C+J">J. Einstein-Curtis</a>, <a href="/search/physics?searchtype=author&query=Frolov%2C+D">D. Frolov</a>, <a href="/search/physics?searchtype=author&query=Martin%2C+K">K. Martin</a>, <a href="/search/physics?searchtype=author&query=Pfeffer%2C+H">H. Pfeffer</a>, <a href="/search/physics?searchtype=author&query=Wolff%2C+D">D. Wolff</a>, <a href="/search/physics?searchtype=author&query=Khole%2C+S">S. Khole</a>, <a href="/search/physics?searchtype=author&query=Sharma%2C+D">D. Sharma</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="1806.08750v1-abstract-short" style="display: inline;"> The PIP-II project is a program to upgrade the Fermilab accelerator complex. The PIP-II linac includes a 2.1 MeV Medium Energy Beam Transport (MEBT) section that incorporates a unique chopping system to perform arbitrary, bunch-by-bunch removal of 162.5 MHz structured beam. The MEBT chopping system will consist of two identical kickers working together and a beam absorber. One design of two having… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1806.08750v1-abstract-full').style.display = 'inline'; document.getElementById('1806.08750v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1806.08750v1-abstract-full" style="display: none;"> The PIP-II project is a program to upgrade the Fermilab accelerator complex. The PIP-II linac includes a 2.1 MeV Medium Energy Beam Transport (MEBT) section that incorporates a unique chopping system to perform arbitrary, bunch-by-bunch removal of 162.5 MHz structured beam. The MEBT chopping system will consist of two identical kickers working together and a beam absorber. One design of two having been proposed has been a 200 Ohm characteristic impedance traveling wave dual-helix kicker driven with custom designed high-speed switches. This paper reports on the first performance results of one prototype kicker built, installed and tested with beam at the PIP-II Injector Test (PIP2IT) facility. The helix deflector design details are discussed. The electrical performance of the high-speed switch driver operating at 500 V bias is presented. Tests performed were chopping beam at 81.25 MHz for microseconds as well as with a truly arbitrary pattern for 550 $渭$s bursts having a 45 MHz average switching rate and repeating at 20 Hz. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1806.08750v1-abstract-full').style.display = 'none'; document.getElementById('1806.08750v1-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, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 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">3 pp</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Report number:</span> Fermilab-Conf-18-144-AD </p> </li> </ol> <div class="is-hidden-tablet">  <span 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