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VOLUME 76 | ISSUE 3 | PAGE 162
On depolarization of ultracold neutrons in traps
PACS: 14.20.Dh, 25.40.Dn, 61.12.Ha
Abstract
Mechanisms of depolarization of ultracold neutrons in traps are considered when they reflect from the trap's wall. One is due to neutron spin-flip elastic or quasielastic incoherent scattering on protons of surface hydrogen contaminations. According to the second one significant depolarization may take place because of sudden change of neutron trajectory at reflection from the wall when neutron move even at large adiabaticity parameters in nonuniform magnetic field.