Low Energy Cross Section of the D-T Reaction and Angular Distribution of the Alpha-Particles Emitted

Phys. Rev. 75, 1154 – Published 15 April 1949
E. Bretscher and A. P. French

Abstract

The thick-target yield of the reaction T+Dα+n+17.6 MeV

has been measured, using a heavy-ice target, and observations have been made on the angular distribution of the α-particles. Experiments have been conducted in the region 15-kev to 125-kev incident triton energy. Within this range the angular distribution appears to be isotropic in the center-of-gravity system. The cross section for the reaction as a function of energy has been evaluated from the thick-target yield measurements. It appears to rise more rapidly with energy than is required by a simple Gamow function.

DOI: http://dx.doi.org/10.1103/PhysRev.75.1154

  • Received 23 December 1948
  • Published in the issue dated April 1949

© 1949 The American Physical Society

Authors & Affiliations

E. Bretscher* and A. P. French

  • Los Alamos Scientific Laboratory, Los Alamos, New Mexico

  • *Now at the Atomic Energy Research Establishment, Harwell, Berks., England.
  • Now at the Cavendish Laboratory, Cambridge, England.

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