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</div> <div class="control"> <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/2001.11966">arXiv:2001.11966</a> <span> [<a href="https://arxiv.org/pdf/2001.11966">pdf</a>, <a href="https://arxiv.org/format/2001.11966">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="Nuclear Experiment">nucl-ex</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.124.081803">10.1103/PhysRevLett.124.081803 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Measurement of the permanent electric dipole moment of the neutron </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Abel%2C+C">C. Abel</a>, <a href="/search/hep-ex?searchtype=author&query=Afach%2C+S">S. Afach</a>, <a href="/search/hep-ex?searchtype=author&query=Ayres%2C+N+J">N. J. Ayres</a>, <a href="/search/hep-ex?searchtype=author&query=Baker%2C+C+A">C. A. Baker</a>, <a href="/search/hep-ex?searchtype=author&query=Ban%2C+G">G. Ban</a>, <a href="/search/hep-ex?searchtype=author&query=Bison%2C+G">G. Bison</a>, <a href="/search/hep-ex?searchtype=author&query=Bodek%2C+K">K. Bodek</a>, <a href="/search/hep-ex?searchtype=author&query=Bondar%2C+V">V. Bondar</a>, <a href="/search/hep-ex?searchtype=author&query=Burghoff%2C+M">M. Burghoff</a>, <a href="/search/hep-ex?searchtype=author&query=Chanel%2C+E">E. Chanel</a>, <a href="/search/hep-ex?searchtype=author&query=Chowdhuri%2C+Z">Z. Chowdhuri</a>, <a href="/search/hep-ex?searchtype=author&query=Chiu%2C+P+-">P. -J. Chiu</a>, <a href="/search/hep-ex?searchtype=author&query=Clement%2C+B">B. Clement</a>, <a href="/search/hep-ex?searchtype=author&query=Crawford%2C+C+B">C. B. Crawford</a>, <a href="/search/hep-ex?searchtype=author&query=Daum%2C+M">M. Daum</a>, <a href="/search/hep-ex?searchtype=author&query=Emmenegger%2C+S">S. Emmenegger</a>, <a href="/search/hep-ex?searchtype=author&query=Ferraris-Bouchez%2C+L">L. Ferraris-Bouchez</a>, <a href="/search/hep-ex?searchtype=author&query=Fertl%2C+M">M. Fertl</a>, <a href="/search/hep-ex?searchtype=author&query=Flaux%2C+P">P. Flaux</a>, <a href="/search/hep-ex?searchtype=author&query=Franke%2C+B">B. Franke</a>, <a href="/search/hep-ex?searchtype=author&query=Fratangelo%2C+A">A. Fratangelo</a>, <a href="/search/hep-ex?searchtype=author&query=Geltenbort%2C+P">P. Geltenbort</a>, <a href="/search/hep-ex?searchtype=author&query=Green%2C+K">K. Green</a>, <a href="/search/hep-ex?searchtype=author&query=Griffith%2C+W+C">W. C. Griffith</a>, <a href="/search/hep-ex?searchtype=author&query=van+der+Grinten%2C+M">M. van der Grinten</a> , et al. (59 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="2001.11966v1-abstract-short" style="display: inline;"> We present the result of an experiment to measure the electric dipole moment (EDM) of the neutron at the Paul Scherrer Institute using Ramsey's method of separated oscillating magnetic fields with ultracold neutrons (UCN). Our measurement stands in the long history of EDM experiments probing physics violating time reversal invariance. The salient features of this experiment were the use of a Hg-19… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2001.11966v1-abstract-full').style.display = 'inline'; document.getElementById('2001.11966v1-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="2001.11966v1-abstract-full" style="display: none;"> We present the result of an experiment to measure the electric dipole moment (EDM) of the neutron at the Paul Scherrer Institute using Ramsey's method of separated oscillating magnetic fields with ultracold neutrons (UCN). Our measurement stands in the long history of EDM experiments probing physics violating time reversal invariance. The salient features of this experiment were the use of a Hg-199 co-magnetometer and an array of optically pumped cesium vapor magnetometers to cancel and correct for magnetic field changes. The statistical analysis was performed on blinded datasets by two separate groups while the estimation of systematic effects profited from an unprecedented knowledge of the magnetic field. The measured value of the neutron EDM is $d_{\rm n} = (0.0\pm1.1_{\rm stat}\pm0.2_{\rm sys})\times10^{-26}e\,{\rm cm}$. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('2001.11966v1-abstract-full').style.display = 'none'; document.getElementById('2001.11966v1-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 January, 2020; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> January 2020. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">5 pages, 4 figures, submitted to PRL on 18.12.2019</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. Lett. 124, 081803 (2020) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1811.06085">arXiv:1811.06085</a> <span> [<a href="https://arxiv.org/pdf/1811.06085">pdf</a>, <a href="https://arxiv.org/format/1811.06085">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="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/PhysRevA.99.042112">10.1103/PhysRevA.99.042112 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Magnetic field uniformity in neutron electric dipole moment experiments </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Abel%2C+C">C. Abel</a>, <a href="/search/hep-ex?searchtype=author&query=Ayres%2C+N">N. Ayres</a>, <a href="/search/hep-ex?searchtype=author&query=Baker%2C+T">T. Baker</a>, <a href="/search/hep-ex?searchtype=author&query=Ban%2C+G">G. Ban</a>, <a href="/search/hep-ex?searchtype=author&query=Bison%2C+G">G. Bison</a>, <a href="/search/hep-ex?searchtype=author&query=Bodek%2C+K">K. Bodek</a>, <a href="/search/hep-ex?searchtype=author&query=Bondar%2C+V">V. Bondar</a>, <a href="/search/hep-ex?searchtype=author&query=Crawford%2C+C">C. Crawford</a>, <a href="/search/hep-ex?searchtype=author&query=Chiu%2C+P+-">P. -J. Chiu</a>, <a href="/search/hep-ex?searchtype=author&query=Chanel%2C+E">E. Chanel</a>, <a href="/search/hep-ex?searchtype=author&query=Chowdhuri%2C+Z">Z. Chowdhuri</a>, <a href="/search/hep-ex?searchtype=author&query=Daum%2C+M">M. Daum</a>, <a href="/search/hep-ex?searchtype=author&query=Dechenaux%2C+B">B. Dechenaux</a>, <a href="/search/hep-ex?searchtype=author&query=Emmenegger%2C+S">S. Emmenegger</a>, <a href="/search/hep-ex?searchtype=author&query=Ferraris-Bouchez%2C+L">L. Ferraris-Bouchez</a>, <a href="/search/hep-ex?searchtype=author&query=Flaux%2C+P">P. Flaux</a>, <a href="/search/hep-ex?searchtype=author&query=Geltenbort%2C+P">P. Geltenbort</a>, <a href="/search/hep-ex?searchtype=author&query=Green%2C+K">K. Green</a>, <a href="/search/hep-ex?searchtype=author&query=Griffith%2C+W+C">W. C. Griffith</a>, <a href="/search/hep-ex?searchtype=author&query=van+der+Grinten%2C+M">M. van der Grinten</a>, <a href="/search/hep-ex?searchtype=author&query=Harris%2C+P+G">P. G. Harris</a>, <a href="/search/hep-ex?searchtype=author&query=Henneck%2C+R">R. Henneck</a>, <a href="/search/hep-ex?searchtype=author&query=Hild%2C+N">N. Hild</a>, <a href="/search/hep-ex?searchtype=author&query=Iaydjiev%2C+P">P. Iaydjiev</a>, <a href="/search/hep-ex?searchtype=author&query=Ivanov%2C+S+N">S. N. Ivanov</a> , et al. (31 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="1811.06085v2-abstract-short" style="display: inline;"> Magnetic field uniformity is of the utmost importance in experiments to measure the electric dipole moment of the neutron. A general parametrization of the magnetic field in terms of harmonic polynomial modes is proposed, going beyond the linear-gradients approximation. We review the main undesirable effects of non-uniformities: depolarization of ultracold neutrons, and Larmor frequency shifts of… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1811.06085v2-abstract-full').style.display = 'inline'; document.getElementById('1811.06085v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1811.06085v2-abstract-full" style="display: none;"> Magnetic field uniformity is of the utmost importance in experiments to measure the electric dipole moment of the neutron. A general parametrization of the magnetic field in terms of harmonic polynomial modes is proposed, going beyond the linear-gradients approximation. We review the main undesirable effects of non-uniformities: depolarization of ultracold neutrons, and Larmor frequency shifts of neutrons and mercury atoms. The theoretical predictions for these effects were verified by dedicated measurements with the single-chamber nEDM apparatus installed at the Paul Scherrer Institute. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1811.06085v2-abstract-full').style.display = 'none'; document.getElementById('1811.06085v2-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 August, 2019; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 13 November, 2018; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> November 2018. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. A 99, 042112 (2019) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1509.04411">arXiv:1509.04411</a> <span> [<a href="https://arxiv.org/pdf/1509.04411">pdf</a>, <a href="https://arxiv.org/format/1509.04411">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 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/PhysRevD.92.092003">10.1103/PhysRevD.92.092003 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> A Revised Experimental Upper Limit on the Electric Dipole Moment of the Neutron </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Pendlebury%2C+J+M">J. M. Pendlebury</a>, <a href="/search/hep-ex?searchtype=author&query=Afach%2C+S">S. Afach</a>, <a href="/search/hep-ex?searchtype=author&query=Ayres%2C+N+J">N. J. Ayres</a>, <a href="/search/hep-ex?searchtype=author&query=Baker%2C+C+A">C. A. Baker</a>, <a href="/search/hep-ex?searchtype=author&query=Ban%2C+G">G. Ban</a>, <a href="/search/hep-ex?searchtype=author&query=Bison%2C+G">G. Bison</a>, <a href="/search/hep-ex?searchtype=author&query=Bodek%2C+K">K. Bodek</a>, <a href="/search/hep-ex?searchtype=author&query=Burghoff%2C+M">M. Burghoff</a>, <a href="/search/hep-ex?searchtype=author&query=Geltenbort%2C+P">P. Geltenbort</a>, <a href="/search/hep-ex?searchtype=author&query=Green%2C+K">K. Green</a>, <a href="/search/hep-ex?searchtype=author&query=Griffith%2C+W+C">W. C. Griffith</a>, <a href="/search/hep-ex?searchtype=author&query=van+der+Grinten%2C+M">M. van der Grinten</a>, <a href="/search/hep-ex?searchtype=author&query=Grujic%2C+Z+D">Z. D. Grujic</a>, <a href="/search/hep-ex?searchtype=author&query=Harris%2C+P+G">P. G. Harris</a>, <a href="/search/hep-ex?searchtype=author&query=Helaine%2C+V">V. Helaine</a>, <a href="/search/hep-ex?searchtype=author&query=Iaydjiev%2C+P">P. Iaydjiev</a>, <a href="/search/hep-ex?searchtype=author&query=Ivanov%2C+S+N">S. N. Ivanov</a>, <a href="/search/hep-ex?searchtype=author&query=Kasprzak%2C+M">M. Kasprzak</a>, <a href="/search/hep-ex?searchtype=author&query=Kermaidic%2C+Y">Y. Kermaidic</a>, <a href="/search/hep-ex?searchtype=author&query=Kirch%2C+K">K. Kirch</a>, <a href="/search/hep-ex?searchtype=author&query=Koch%2C+H+-">H. -C. Koch</a>, <a href="/search/hep-ex?searchtype=author&query=Komposch%2C+S">S. Komposch</a>, <a href="/search/hep-ex?searchtype=author&query=Kozela%2C+A">A. Kozela</a>, <a href="/search/hep-ex?searchtype=author&query=Krempel%2C+J">J. Krempel</a>, <a href="/search/hep-ex?searchtype=author&query=Lauss%2C+B">B. Lauss</a> , et al. (25 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="1509.04411v3-abstract-short" style="display: inline;"> We present for the first time a detailed and comprehensive analysis of the experimental results that set the current world sensitivity limit on the magnitude of the electric dipole moment (EDM) of the neutron. We have extended and enhanced our earlier analysis to include recent developments in the understanding of the effects of gravity in depolarizing ultracold neutrons (UCN); an improved calcula… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1509.04411v3-abstract-full').style.display = 'inline'; document.getElementById('1509.04411v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1509.04411v3-abstract-full" style="display: none;"> We present for the first time a detailed and comprehensive analysis of the experimental results that set the current world sensitivity limit on the magnitude of the electric dipole moment (EDM) of the neutron. We have extended and enhanced our earlier analysis to include recent developments in the understanding of the effects of gravity in depolarizing ultracold neutrons (UCN); an improved calculation of the spectrum of the neutrons; and conservative estimates of other possible systematic errors, which are also shown to be consistent with more recent measurements undertaken with the apparatus. We obtain a net result of $d_\mathrm{n} = -0.21 \pm 1.82 \times10^{-26}$ $e$cm, which may be interpreted as a slightly revised upper limit on the magnitude of the EDM of $3.0 \times10^{-26}$ $e$cm (90% CL) or $ 3.6 \times10^{-26}$ $e$cm (95% CL). This paper is dedicated by the remaining authors to the memory of Prof. J. Michael Pendlebury. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1509.04411v3-abstract-full').style.display = 'none'; document.getElementById('1509.04411v3-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 13 October, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 15 September, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> September 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">23 pages, 19 figures. Authorship list changed to put J.M. Pendlebury first. Other very minor edits</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 92, 092003 (2015) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1506.06563">arXiv:1506.06563</a> <span> [<a href="https://arxiv.org/pdf/1506.06563">pdf</a>, <a href="https://arxiv.org/format/1506.06563">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="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.92.052008">10.1103/PhysRevD.92.052008 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Gravitational Depolarization of Ultracold Neutrons: Comparison with Data </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Afach%2C+S">S. Afach</a>, <a href="/search/hep-ex?searchtype=author&query=Ayres%2C+N+J">N. J. Ayres</a>, <a href="/search/hep-ex?searchtype=author&query=Baker%2C+C+A">C. A. Baker</a>, <a href="/search/hep-ex?searchtype=author&query=Ban%2C+G">G. Ban</a>, <a href="/search/hep-ex?searchtype=author&query=Bison%2C+G">G. Bison</a>, <a href="/search/hep-ex?searchtype=author&query=Bodek%2C+K">K. Bodek</a>, <a href="/search/hep-ex?searchtype=author&query=Fertl%2C+M">M. Fertl</a>, <a href="/search/hep-ex?searchtype=author&query=Franke%2C+B">B. Franke</a>, <a href="/search/hep-ex?searchtype=author&query=Geltenbort%2C+P">P. Geltenbort</a>, <a href="/search/hep-ex?searchtype=author&query=Green%2C+K">K. Green</a>, <a href="/search/hep-ex?searchtype=author&query=Griffith%2C+W+C">W. C. Griffith</a>, <a href="/search/hep-ex?searchtype=author&query=van+der+Grinten%2C+M">M. van der Grinten</a>, <a href="/search/hep-ex?searchtype=author&query=Grujic%2C+Z+D">Z. D. Grujic</a>, <a href="/search/hep-ex?searchtype=author&query=Harris%2C+P+G">P. G. Harris</a>, <a href="/search/hep-ex?searchtype=author&query=Heil%2C+W">W. Heil</a>, <a href="/search/hep-ex?searchtype=author&query=Helaine%2C+V">V. Helaine</a>, <a href="/search/hep-ex?searchtype=author&query=Iaydjiev%2C+P">P. Iaydjiev</a>, <a href="/search/hep-ex?searchtype=author&query=Ivanov%2C+S+N">S. N. Ivanov</a>, <a href="/search/hep-ex?searchtype=author&query=Kasprzak%2C+M">M. Kasprzak</a>, <a href="/search/hep-ex?searchtype=author&query=Kermaidic%2C+Y">Y. Kermaidic</a>, <a href="/search/hep-ex?searchtype=author&query=Kirch%2C+K">K. Kirch</a>, <a href="/search/hep-ex?searchtype=author&query=Koch%2C+H+-">H. -C. Koch</a>, <a href="/search/hep-ex?searchtype=author&query=Komposch%2C+S">S. Komposch</a>, <a href="/search/hep-ex?searchtype=author&query=Kozela%2C+A">A. Kozela</a>, <a href="/search/hep-ex?searchtype=author&query=Krempel%2C+J">J. Krempel</a> , et al. (25 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="1506.06563v3-abstract-short" style="display: inline;"> We compare the expected effects of so-called gravitationally enhanced depolarization of ultracold neutrons to measurements carried out in a spin-precession chamber exposed to a variety of vertical magnetic-field gradients. In particular, we have investigated the dependence upon these field gradients of spin depolarization rates and also of shifts in the measured neutron Larmor precession frequency… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1506.06563v3-abstract-full').style.display = 'inline'; document.getElementById('1506.06563v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1506.06563v3-abstract-full" style="display: none;"> We compare the expected effects of so-called gravitationally enhanced depolarization of ultracold neutrons to measurements carried out in a spin-precession chamber exposed to a variety of vertical magnetic-field gradients. In particular, we have investigated the dependence upon these field gradients of spin depolarization rates and also of shifts in the measured neutron Larmor precession frequency. We find excellent qualitative agreement, with gravitationally enhanced depolarization accounting for several previously unexplained features in the data. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1506.06563v3-abstract-full').style.display = 'none'; document.getElementById('1506.06563v3-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 August, 2015; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 22 June, 2015; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> June 2015. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Comments:</span> <span class="has-text-grey-dark mathjax">10 pages, 6 figures. Updated: section added about implications for current nEDM limit</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys. Rev. D 92, 052008 (2015) </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/1305.7336">arXiv:1305.7336</a> <span> [<a href="https://arxiv.org/pdf/1305.7336">pdf</a>, <a href="https://arxiv.org/format/1305.7336">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="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/10.1016/j.nima.2013.10.005">10.1016/j.nima.2013.10.005 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Apparatus for Measurement of the Electric Dipole Moment of the Neutron using a Cohabiting Atomic-Mercury Magnetometer </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Baker%2C+C+A">C. A. Baker</a>, <a href="/search/hep-ex?searchtype=author&query=Chibane%2C+Y">Y. Chibane</a>, <a href="/search/hep-ex?searchtype=author&query=Chouder%2C+M">M. Chouder</a>, <a href="/search/hep-ex?searchtype=author&query=Geltenbort%2C+P">P. Geltenbort</a>, <a href="/search/hep-ex?searchtype=author&query=Green%2C+K">K. Green</a>, <a href="/search/hep-ex?searchtype=author&query=Harris%2C+P+G">P. G. Harris</a>, <a href="/search/hep-ex?searchtype=author&query=Heckel%2C+B+R">B. R. Heckel</a>, <a href="/search/hep-ex?searchtype=author&query=Iaydjiev%2C+P">P. Iaydjiev</a>, <a href="/search/hep-ex?searchtype=author&query=Ivanov%2C+S+N">S. N. Ivanov</a>, <a href="/search/hep-ex?searchtype=author&query=Kilvington%2C+I">I. Kilvington</a>, <a href="/search/hep-ex?searchtype=author&query=Lamoreaux%2C+S+K">S. K. Lamoreaux</a>, <a href="/search/hep-ex?searchtype=author&query=May%2C+D+J">D. J. May</a>, <a href="/search/hep-ex?searchtype=author&query=Pendlebury%2C+J+M">J. M. Pendlebury</a>, <a href="/search/hep-ex?searchtype=author&query=Richardson%2C+J+D">J. D. Richardson</a>, <a href="/search/hep-ex?searchtype=author&query=Shiers%2C+D+B">D. B. Shiers</a>, <a href="/search/hep-ex?searchtype=author&query=Smith%2C+K+F">K. F. Smith</a>, <a href="/search/hep-ex?searchtype=author&query=van+der+Grinten%2C+M">M. van der Grinten</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="1305.7336v2-abstract-short" style="display: inline;"> A description is presented of apparatus used to carry out an experimental search for an electric dipole moment of the neutron, at the Institut Laue-Langevin (ILL), Grenoble. The experiment incorporated a cohabiting atomic-mercury magnetometer in order to reduce spurious signals from magnetic field fluctuations. The result has been published in an earlier letter; here, the methods and equipment use… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1305.7336v2-abstract-full').style.display = 'inline'; document.getElementById('1305.7336v2-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="1305.7336v2-abstract-full" style="display: none;"> A description is presented of apparatus used to carry out an experimental search for an electric dipole moment of the neutron, at the Institut Laue-Langevin (ILL), Grenoble. The experiment incorporated a cohabiting atomic-mercury magnetometer in order to reduce spurious signals from magnetic field fluctuations. The result has been published in an earlier letter; here, the methods and equipment used are discussed in detail. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('1305.7336v2-abstract-full').style.display = 'none'; document.getElementById('1305.7336v2-abstract-short').style.display = 'inline';">△ Less</a> </span> </p> <p class="is-size-7"><span class="has-text-black-bis has-text-weight-semibold">Submitted</span> 5 June, 2013; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 31 May, 2013; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> May 2013. </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/0704.1354">arXiv:0704.1354</a> <span> [<a href="https://arxiv.org/pdf/0704.1354">pdf</a>, <a href="https://arxiv.org/ps/0704.1354">ps</a>, <a href="https://arxiv.org/format/0704.1354">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> </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.98.149102">10.1103/PhysRevLett.98.149102 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> Reply to Comment on ``An Improved Experimental Limit on the Electric Dipole Moment of the Neutron'' </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Baker%2C+C+A">C. A. Baker</a>, <a href="/search/hep-ex?searchtype=author&query=Doyle%2C+D+D">D. D. Doyle</a>, <a href="/search/hep-ex?searchtype=author&query=Geltenbort%2C+P">P. Geltenbort</a>, <a href="/search/hep-ex?searchtype=author&query=Green%2C+K">K. Green</a>, <a href="/search/hep-ex?searchtype=author&query=van+der+Grinten%2C+M+G+D">M. G. D. van der Grinten</a>, <a href="/search/hep-ex?searchtype=author&query=Harris%2C+P+G">P. G. Harris</a>, <a href="/search/hep-ex?searchtype=author&query=Iaydjiev%2C+P">P. Iaydjiev</a>, <a href="/search/hep-ex?searchtype=author&query=Ivanov%2C+S+N">S. N. Ivanov</a>, <a href="/search/hep-ex?searchtype=author&query=May%2C+D+J+R">D. J. R. May</a>, <a href="/search/hep-ex?searchtype=author&query=Pendlebury%2C+J+M">J. M. Pendlebury</a>, <a href="/search/hep-ex?searchtype=author&query=Richardson%2C+J+D">J. D. Richardson</a>, <a href="/search/hep-ex?searchtype=author&query=Shiers%2C+D">D. Shiers</a>, <a href="/search/hep-ex?searchtype=author&query=Smith%2C+K+F">K. F. Smith</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="0704.1354v1-abstract-short" style="display: inline;"> The Authors reply to the Comment of Golub and Lamoreaux. The experimental limit on the neutron electric dipole moment remains unchanged from that previously announced. </span> <span class="abstract-full has-text-grey-dark mathjax" id="0704.1354v1-abstract-full" style="display: none;"> The Authors reply to the Comment of Golub and Lamoreaux. The experimental limit on the neutron electric dipole moment remains unchanged from that previously announced. <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('0704.1354v1-abstract-full').style.display = 'none'; document.getElementById('0704.1354v1-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> 11 April, 2007; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> April 2007. </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.Lett.98:149102,2007 </p> </li> <li class="arxiv-result"> <div class="is-marginless"> <p class="list-title is-inline-block"><a href="https://arxiv.org/abs/hep-ex/0602020">arXiv:hep-ex/0602020</a> <span> [<a href="https://arxiv.org/pdf/hep-ex/0602020">pdf</a>, <a href="https://arxiv.org/ps/hep-ex/0602020">ps</a>, <a href="https://arxiv.org/format/hep-ex/0602020">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> </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.97.131801">10.1103/PhysRevLett.97.131801 <i class="fa fa-external-link" aria-hidden="true"></i></a></span> </div> </div> </div> <p class="title is-5 mathjax"> An Improved Experimental Limit on the Electric Dipole Moment of the Neutron </p> <p class="authors"> <span class="search-hit">Authors:</span> <a href="/search/hep-ex?searchtype=author&query=Baker%2C+C+A">C. A. Baker</a>, <a href="/search/hep-ex?searchtype=author&query=Doyle%2C+D+D">D. D. Doyle</a>, <a href="/search/hep-ex?searchtype=author&query=Geltenbort%2C+P">P. Geltenbort</a>, <a href="/search/hep-ex?searchtype=author&query=Green%2C+K">K. Green</a>, <a href="/search/hep-ex?searchtype=author&query=van+der+Grinten%2C+M+G+D">M. G. D. van der Grinten</a>, <a href="/search/hep-ex?searchtype=author&query=Harris%2C+P+G">P. G. Harris</a>, <a href="/search/hep-ex?searchtype=author&query=Iaydjiev%2C+P">P. Iaydjiev</a>, <a href="/search/hep-ex?searchtype=author&query=Ivanov%2C+S+N">S. N. Ivanov</a>, <a href="/search/hep-ex?searchtype=author&query=May%2C+D+J+R">D. J. R. May</a>, <a href="/search/hep-ex?searchtype=author&query=Pendlebury%2C+J+M">J. M. Pendlebury</a>, <a href="/search/hep-ex?searchtype=author&query=Richardson%2C+J+D">J. D. Richardson</a>, <a href="/search/hep-ex?searchtype=author&query=Shiers%2C+D">D. Shiers</a>, <a href="/search/hep-ex?searchtype=author&query=Smith%2C+K+F">K. F. Smith</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="hep-ex/0602020v3-abstract-short" style="display: inline;"> An experimental search for an electric-dipole moment (EDM) of the neutron has been carried out at the Institut Laue-Langevin (ILL), Grenoble. Spurious signals from magnetic-field fluctuations were reduced to insignificance by the use of a cohabiting atomic-mercury magnetometer. Systematic uncertainties, including geometric-phase-induced false EDMs, have been carefully studied. Two independent ap… <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-ex/0602020v3-abstract-full').style.display = 'inline'; document.getElementById('hep-ex/0602020v3-abstract-short').style.display = 'none';">▽ More</a> </span> <span class="abstract-full has-text-grey-dark mathjax" id="hep-ex/0602020v3-abstract-full" style="display: none;"> An experimental search for an electric-dipole moment (EDM) of the neutron has been carried out at the Institut Laue-Langevin (ILL), Grenoble. Spurious signals from magnetic-field fluctuations were reduced to insignificance by the use of a cohabiting atomic-mercury magnetometer. Systematic uncertainties, including geometric-phase-induced false EDMs, have been carefully studied. Two independent approaches to the analysis have been adopted. The overall results may be interpreted as an upper limit on the absolute value of the neutron EDM of |d_n| < 2.9 x 10^{-26} e cm (90% CL). <a class="is-size-7" style="white-space: nowrap;" onclick="document.getElementById('hep-ex/0602020v3-abstract-full').style.display = 'none'; document.getElementById('hep-ex/0602020v3-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 September, 2006; <span class="has-text-black-bis has-text-weight-semibold">v1</span> submitted 9 February, 2006; <span class="has-text-black-bis has-text-weight-semibold">originally announced</span> February 2006. </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. The published PRL is slightly more terse (e.g. no section headings) than this version, due to space constraints. Note a small correction-to-a-correction led to an adjustment of the final limit from 3.0 to 2.9 E-26 e.cm compared to the first version of this preprint</span> </p> <p class="comments is-size-7"> <span class="has-text-black-bis has-text-weight-semibold">Journal ref:</span> Phys.Rev.Lett.97:131801,2006 </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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