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arxiv: nucl-ex/9910014 · v4 · submitted 1999-10-19 · ⚛️ nucl-ex

Calculation of the ultracold neutron upscattering rate from para-deuterium bound in a lattice

classification ⚛️ nucl-ex
keywords para-deuteriumneutronrateultracoldupscatteringalamosapparentappears
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The ultracold neutron (UCN) upscattering rate from para-deuterium contaminated solid deuterium near T=0K is calculated and found to be 4 msec for a room-temperature-equilibrium concentration. The para-deuterium contamination appears to be responsible for the apparent loss of UCN in the Los Alamos spallation-driven UCN source.

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