Measurement of the neutron electric dipole moment via spin rotation in a non-centrosymmetric crystal

被引:26
作者
Fedorov, V. V. [1 ]
Jentschel, M. [2 ]
Kuznetsov, I. A. [1 ]
Lapin, E. G. [1 ]
Lelievre-Berna, E. [2 ]
Nesvizhevsky, V. [2 ]
Petoukhov, A. [2 ]
Semenikhin, S. Yu [1 ]
Soldner, T. [2 ]
Voronin, V. V. [1 ]
Braginetz, Yu P. [1 ]
机构
[1] Petersburg Nucl Phys Inst Gatchina, St Petersburg, Russia
[2] Inst Laue Langevin, Grenoble, France
关键词
Electric dipole moment; CP violation; Perfect crystal; Neutron; Diffraction; Three-dimensional polarisation analysis; DYNAMICAL DIFFRACTION; LAUE DIFFRACTION; NEDM SEARCH;
D O I
10.1016/j.physletb.2010.09.033
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We have measured the neutron electric dipole moment using spin rotation in a non-centrosymmetric crystal Our result is d(n) = (2 5 +/- 6 5(stat) +/- 5 5(syst)) 10(-24) e cm The dominating contribution to the systematic uncertainty is statistical in nature and will reduce with improved statistics The statistical sensitivity can be increased to 2 10(-26) ecm in 100 days data taking with an improved setup We state technical requirements for a systematic uncertainty at the same level (C) 2010 Elsevier B V All rights reserved
引用
收藏
页码:22 / 25
页数:4
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