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VOLUME 69 (1999) | ISSUE 2 | PAGE 81
Quasielastic neutron scattering by diffusive adsorbed hydrogen as a possible reason for ultracold neutrons energy spread during long storage in traps
PACS: 61.12.-q, 66.10.Cb
Small ultracold neutron cooling and heating during long storage in traps has been observed in recent experiments. It is shown that neutron quasielastic scattering due to the diffusive motion of hydrogen at the surface of adsorbed hydrogenous contaminations of the surface may be a possible reason for the spread in the energy of ultracold neutrons during long storage in traps.