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NSR database version of May 24, 2024.

Search: Author = E.Tang

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2020PH01      Phys.Rev. C 102, 035503 (2020)

N.S.Phan, V.Cianciolo, S.M.Clayton, S.A.Currie, R.Dipert, T.M.Ito, S.W.T.MacDonald, C.M.O'Shaughnessy, J.C.Ramsey, G.M.Seidel, E.Smith, E.Tang, Z.Tang, W.Yao

Effect of an electric field on liquid helium scintillation produced by fast electrons

ATOMIC PHYSICS He(e-, γ), E=364-391 keV, [conversion electrons from 113Sn ϵ decay]; He(α, γ), E=5388-5544 keV, [from 241Am α decay]; measured scintillation light yields and spectra produced by fast electrons and α particles stopped in liquid helium (LHe) in the temperature range of 0.44 K to 3.12 K using Medium-Scale High Voltage (MSHV) Test Apparatus, and Hamamatsu R7725 photomuliplier tube (PMT); deduced temperature and electric field dependence of electron and α prompt scintillations, recombination survival probability as a function of time, and apparent temperature dependence of the reduction of scintillations for electrons due to finite ion recombination time and signal integration time. Relevance of liquid He detector for solar neutrino detection, search for electric dipole moment of neutron, measurement of the free neutron lifetime, and detection of light dark-matter particles.

doi: 10.1103/PhysRevC.102.035503
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