Mapping of the magnetic field to correct systematic effects in a neutron electric dipole moment experiment
Year: 2022
Type: article
Abstract: Experiments dedicated to the measurement of the electric dipole moment of the neutron require outstanding control of the magnetic-field uniformity. The neutron electric dipole moment (nEDM) experiment at the Paul Scherrer Institute uses a $^{199}\mathrm{Hg}$ co-magnetometer to precisely monitor temporal magnetic-field variations. This co-magnetometer, in the presence of field nonuniformity, is, however, responsible for the largest systematic effect of this measurement. To evaluate and correct that effect, offline measurements of the field nonuniformity were performed during mapping campaigns in 2013, 2014, and 2017. We present the results of these campaigns, and the improvement the correction of this effect brings to the neutron electric dipole moment measurement.
Source: Physical Review A
Authors: C. Abel, N. J. Ayres, G. Ban, G. Bison, K. Bodek, V. Bondar, E. Chanel, P.-J. Chiu, B. Clément, C. B. Crawford, M. Daum, S. Emmenegger, L. Ferraris-Bouchez, M. Fertl, P. Flaux, A. Fratangelo, W. C. Griffith, Z. D. Grujić, P. G. Harris, L. Hayen, N. Hild, M. Kasprzak, K. Kirch, P. Knowles, H.-C. Koch, P. A. Koss, A. Kozela, J. Krempel, B. Lauss, T. Lefort, Y. Lemière, P. Mohanmurthy, O. Naviliat-Cuncic, D. Pais, F. M. Piegsa, G. Pignol, P. N. Prashanth, G. Quéméner, M. Rawlik, D. Ries, D. Rebreyend, S. Roccia, D. Rozpedzik, P. Schmidt-Wellenburg, A. Schnabel, N. Severijns, J. A. Thorne, R. Virot, A. Weis, E. Wursten, G. Wyszynski, J. Zejma, G. Zsigmond
Institutions: University of Sussex, ETH Zurich, Institute for Particle Physics and Astrophysics, Centre National de la Recherche Scientifique, École Nationale Supérieure d'Ingénieurs de Caen, Laboratoire de Physique Corpusculaire de Caen, Institut National de Physique Nucléaire et de Physique des Particules, Université de Caen Normandie, Paul Scherrer Institute, Jagiellonian University, KU Leuven, University of Bern, Institut polytechnique de Grenoble, Laboratoire de Physique Subatomique et de Cosmologie, Université Grenoble Alpes, University of Kentucky, Johannes Gutenberg University Mainz, University of Fribourg, University of Belgrade, Institute of Physics Belgrade, Institute of Nuclear Physics, Polish Academy of Sciences, Institut Laue-Langevin, Physikalisch-Technische Bundesanstalt
Language: English
Subfield: Atomic and Molecular Physics, and Optics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: bronze
Awards: G1154261349, STFC 2021 Particle Physics Review of Experiments and Experimental Consolidated Grants, Search for the neutron EDM at the high intensity ultracold neutron source at PSI with an upgraded high sensitivity spectrometer – Follow-up application, Optical magnetometry for a new neutron EDM experiment, Precision Physics with Muons and Ultracold Neutrons II, Pushing the high intensity frontier for ultracold neutrons, G1893237010, Sussex Experimental Particle Physics 2015 Consolidated Grant, G2322385174, The Neutron Electric Dipole Moment: pushing the precision to understand the matter-antimatter asymmetry, Precision Physics with Muons and Ultracold Neutrons, Neutron EDM, STFC Experimental Particle Physics 2018 Consolidated Grant, G4657258035, Search for the neutron EDM at the high intensity ultracold neutron source at PSI with an upgraded high sensitivity spectrometer, The PSI polarized ultracold neutron source: optimization and first test measurements, Low Energy Particle Physics with Cold and Ultracold Neutrons, STFC Sussex 2015 DTP, Mesure du moment électrique dipolaire du neutron
OpenAlex ID: W3137458561