Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 597, Issue 2-3, Pages 222-226Publisher
ELSEVIER
DOI: 10.1016/j.nima.2008.09.018
Keywords
Ultracold neutron storage; Fermi potential; Neutron reflection; Deuterated polystyrene; Deuterated polyethylene
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We report the use of deuterated polystyrene (dPS) and deuterated polyethylene (dPE) for the storage of ultracold neutrons (UCN) in an experiment to search for a finite neutron electric dipole moment (nEDM). The Fermi potential of thin film coatings on silicon was measured by cold neutron reflectometry as V(dPS) = (161 +/- 10) neV and V(dPE) = (214 +/- 10) neV. The UCN loss factor at room temperature of a dPS-coated polystyrene insulator is eta = (3 +/- 1) x 10(-4). (C) 2008 Elsevier B.V. All rights reserved.
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