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

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arxiv 1009.0153 v1 pith:UKCJ2ZSZ submitted 2010-09-01 hep-ex

V.V. Fedorov , M. Jentschel , I.A.Kuznetsov , E.G.Lapin , E. Lelievre-Berna , V. Nesvizhevsky , A. Petoukhov , S.Yu. Semenikhin
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T. Soldner V.V. Voronin Yu.P. Braginetz
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keywords crystaldipoleelectricimprovedmomentneutronnon-centrosymmetricrotation
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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} e cm in 100 days data taking with an improved setup. We state technical requirements for a systematic uncertainty at the same level.

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