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Improved experimental limit on the electric-dipole moment of the neutron

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posted on 2023-06-07, 14:26 authored by C A Baker, D D Doyle, P Geltenbort, K Green, M G D van der Grinten, P G Harris, P Iaydjiev, S N Ivanov, D J R May, J M Pendlebury, J D Richardson, D Shiers, K F Smith
An experimental search for an electric dipole moment (EDM) of the neutron has been carried out at the Institut Laue-Langevin, 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. The results may be interpreted as an upper limit on the neutron EDM of |dn|<2.9×10-26e cm (90% C.L.).

History

Publication status

  • Published

Journal

Physical Review Letters (PRL)

ISSN

0031-9007

Publisher

American Physical Society

External DOI

Issue

13

Volume

97

Page range

131801-131805

Department affiliated with

  • Physics and Astronomy Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2007-11-25

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    University of Sussex (Publications)

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    Keywords

    Electric-dipole moment; neutron

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