Generation of Neutrons at the Relaxation of Fast Deuterons
in Deuterium Matter¹

V. P. Krainov^a and B. M. Smirnov^b

^a Moscow Institute of Physics and Technology, Dolgoprudnyi, Moscow oblast, 141700 Russia

^b Institute for High Temperature, Russian Academy of Sciences, Moscow, 127412 Russia

e-mail: krainov@online.ru; smirnov@oivtran.iitp.ru

Received December 29, 2006

Abstract—We analyze the fusion process involving two deuterium nuclei in the case of deceleration of a fast
deuteron with an energy of approximately 100 keV located in a deuterium target. We calculate the probability
w_fus() of generating a neutron by a fast deuteron with an initial kinetic energy during its deceleration. The
mean free path of fast deuterons with respect to their relaxation is found for various deuterium targets. The data
are analyzed for neutron generation in deuterium cluster beams under laser irradiation. The method of neutron
generation in the collision of two deuterium cluster beams is suggested.

PACS numbers: 52.50.Jm, 52.27.Ny, 52.27.Ny, 52.25.Tx

DOI: 10.1134/S1063776107090129

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