Journal
PHYSICAL REVIEW D
Volume 92, Issue 9, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.92.092003
Keywords
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Funding
- U.K. Science and Technology Facilities Council (STFC) [T/K001329/1, ST/M003426/1, ST/L006472/1]
- Fund for Scientific Research, Flanders of KU Leuven [GO A/2010/10]
- Swiss National Science Foundation [200020-144473, 200021-126562, 200020-149211, 200020-140421]
- French Agence Nationale de la Recherche (ANR) [ANR-09-BLAN-0046]
- PL-Grid Infrastructure, Poland
- National Science Centre, Poland [UMO-2012/04/M/ST2/00556]
- STFC
- STFC [ST/M000753/1, ST/K000640/1, nEDM, ST/K001329/1, ST/M003426/1, ST/L006472/1] Funding Source: UKRI
- Swiss National Science Foundation (SNF) [200020_144473, 200021_126562, 200020_149211] Funding Source: Swiss National Science Foundation (SNF)
- Science and Technology Facilities Council [ST/K001329/1, 1656704, ST/L006472/1, ST/K001329/1 nEDM, ST/M003426/1, ST/M000753/1, ST/K000640/1, nEDM] Funding Source: researchfish
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We present for the first time a detailed and comprehensive analysis of the experimental results that set the current world sensitivity limit on the magnitude of the electric dipole moment (EDM) of the neutron. We have extended and enhanced our earlier analysis to include recent developments in the understanding of the effects of gravity in depolarizing ultracold neutrons; an improved calculation of the spectrum of the neutrons; and conservative estimates of other possible systematic errors, which are also shown to be consistent with more recent measurements undertaken with the apparatus. We obtain a net result of d(n) = -0.21 +/- 1.82 x 10(-26) e cm, which may be interpreted as a slightly revised upper limit on the magnitude of the EDM of 3.0 x 10(-26) e cm (90% C.L.) or 3.6 x 10(-26) e cm (95% C. L.).
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