4.7 Article

A measurement of the neutron to 199Hg magnetic moment ratio

Journal

PHYSICS LETTERS B
Volume 739, Issue -, Pages 128-132

Publisher

ELSEVIER
DOI: 10.1016/j.physletb.2014.10.046

Keywords

Ultracold neutrons; Mercury atoms; Magnetic moment; Gyromagnetic ratio

Funding

  1. Swiss National Science Foundation Projects [200020144473, 200021-126562, 200020-149211, 200020-140421]
  2. French Agence Nationale de la Recherche (ANR) [ANR-09-BLAN-0046]
  3. National Science Centre, Poland [UMO-2012/04/M/ST2/00556]
  4. Fund for Scientific Research Flanders (FWO) [GOA/2010/10]
  5. UK's PPARC
  6. STFC [ST/K000640/1, ST/M000753/1, ST/M003426/1, ST/K001329/1, nEDM, PP/E000398/1] Funding Source: UKRI
  7. Swiss National Science Foundation (SNF) [200020_149211] Funding Source: Swiss National Science Foundation (SNF)
  8. Agence Nationale de la Recherche (ANR) [ANR-09-BLAN-0046] Funding Source: Agence Nationale de la Recherche (ANR)
  9. Science and Technology Facilities Council [ST/K001329/1, ST/M000753/1, ST/M003426/1, nEDM, ST/K000640/1, PP/E000398/1, ST/K001329/1 nEDM] Funding Source: researchfish

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The neutron gyromagnetic ratio has been measured relative to that of the Hg-199 atom with an uncertainty of 0.8ppm. We employed an apparatus where ultracold neutrons and mercury atoms are stored in the same volume and report the result gamma(n)/gamma(Hg) = 3.8424574(30). (C) 2014 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license

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