An Improved Neutron Electric Dipole Moment Experiment

A new measurement of the neutron EDM, using Ramsey's method of separated oscillatory fields, is in preparation at the new high intensity source of ultra-cold neutrons (UCN) at the Paul Scherrer Institute, Villigen, Switzerland (PSI). The existence of a non-zero nEDM would violate both parity an...

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Published in:arXiv.org 2008-08
Main Authors: Kuźniak, M, Altarev, I, Ban, G, Bison, G, Bodek, K, Burghoff, M, Daum, M, Eberhardt, K, Fierlinger, P, Gutsmiedl, E, Hampel, G, Heil, W, Henneck, R, Khomutov, N, Kirch, K, Kistryn, St, Knappe-Grueneberg, S, Knecht, A, Knowles, P, Kratz, J V, Lauer, T, Lauss, B, Lefort, T, Mtchedlishvili, A, Naviliat-Cuncic, O, Paul, S, Pazgalev, A S, Petzold, G, Plonka-Spehr, C, Quéméner, G, Rebreyend, D, Roccia, S, Rogel, G, Sander-Thoemmes, T, Schnabel, A, Severijns, N, Sobolev, Yu, Stoepler, R, Trahms, L, Tur, M, Weis, A, Wiehl, N, Zejma, J, Zsigmond, G
Format: Article
Language:English
Subjects:
Cold neutrons
Dipole moments
Electric dipoles
Electric fields
Experiments
Magnetic measurement
Neutron flux
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Summary:A new measurement of the neutron EDM, using Ramsey's method of separated oscillatory fields, is in preparation at the new high intensity source of ultra-cold neutrons (UCN) at the Paul Scherrer Institute, Villigen, Switzerland (PSI). The existence of a non-zero nEDM would violate both parity and time reversal symmetry and, given the CPT theorem, might lead to a discovery of new CP violating mechanisms. Already the current upper limit for the nEDM (|d_n|
ISSN:2331-8422