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

C.A. Baker
(
- Rutherford and
- Sussex U. and
- Laue-Langevin Inst.
)
,
D.D. Doyle
(
- Rutherford and
- Sussex U. and
- Laue-Langevin Inst.
)
,
P. Geltenbort
(
- Rutherford and
- Sussex U. and
- Laue-Langevin Inst.
)
,
K. Green
(
- Rutherford and
- Sussex U. and
- Laue-Langevin Inst.
)
,
M.G.D. van der Grinten
(
- Rutherford and
- Sussex U. and
- Laue-Langevin Inst.
)

Feb, 2006

5 pages

Published in:

Phys.Rev.Lett. 97 (2006) 131801

Published: Sep 27, 2006

e-Print:

hep-ex/0602020 [hep-ex]

DOI:

10.1103/PhysRevLett.97.131801

PDG:

{{\mathit n}}

ELECTRIC DIPOLE MOMENT

Experiments:

nEDM

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Abstract:

An experimental search for an electric-dipole moment (EDM) of the neutron has been carried out at the Institut Laue-Langevin (ILL), 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. Two independent approaches to the analysis have been adopted. The overall results may be interpreted as an upper limit on the absolute value of the neutron EDM of |d_n| < 2.9 x 10^{-26} e cm (90% CL).

11.30.Er
13.40.Em
07.55.Ge
14.20.Dh
n: electric moment
upper limit
n: confinement
electric field
magnetic field: oscillation
n: polarization

References(16)

Figures(0)

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- Phys.Rev.A 5 968