Abstract
The dependence of the ultracold neutron capture cross section in targets with a thickness smaller than the neutron wavelength is calculated in the time-dependent quantum theory. It is shown that, for low velocities of neutrons, their capture cross section σc∼v, i.e., tends to zero as the neutron velocity v tends to zero.
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Translated from Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 122, No. 5, 2002, pp. 928–932.
Original Russian Text Copyright © 2002 by Lomonosov, Gurevich.
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Lomonosov, V.V., Gurevich, A.I. Capture of ultracold neutrons in thin absorbing films. J. Exp. Theor. Phys. 95, 800–804 (2002). https://doi.org/10.1134/1.1528671
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DOI: https://doi.org/10.1134/1.1528671