Phys. Rev. Lett. 97, 131801 (2006) [4 pages]Improved Experimental Limit on the Electric Dipole Moment of the NeutronReceived 9 February 2006; revised 29 March 2006; published 27 September 2006 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.). © 2006 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.97.131801
DOI:
10.1103/PhysRevLett.97.131801
PACS:
13.40.Em, 07.55.Ge, 11.30.Er, 14.20.Dh
See AlsoComment: S. K. Lamoreaux and R. Golub, Comment on “Improved Experimental Limit on the Electric Dipole Moment of the Neutron”, Phys. Rev. Lett. 98, 149101 (2007). Reply: C. A. Baker, D. D. Doyle, P. Geltenbort, K. Green, M. G. van der Grinten, P. G. Harris, P. Iaydjiev, S. N. Ivanov, D. J. May, J. M. Pendlebury, J. D. Richardson, D. Shiers, and K. F. Smith, Baker et al. Reply:, Phys. Rev. Lett. 98, 149102 (2007). |
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