Improved experimental limit on the electric dipole moment of the neutron

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, i...

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Bibliographic Details
Published in:	Physical review letters Vol. 97; no. 13; p. 131801
Main Authors:	Baker, C A, Doyle, D D, Geltenbort, P, Green, K, van der Grinten, M G D, Harris, P G, Iaydjiev, P, Ivanov, S N, May, D J R, Pendlebury, J M, Richardson, J D, Shiers, D, Smith, K F
Format:	Journal Article
Language:	English
Published:	United States 29-09-2006
Subjects:	CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ELECTRIC DIPOLE MOMENTS MAGNETIC FIELDS MAGNETOMETERS MERCURY NEUTRONS SIGNALS
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Summary:	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 \|d(n)\|< 2.9 x 10(-26)e cm (90% C.L.).
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0031-9007 1079-7114
DOI:	10.1103/PhysRevLett.97.131801