Charge-Dependent Effects in the Photodisintegration of He4

J. T. Londergan and C. M. Shakin
Phys. Rev. Lett. 28, 1729 – Published 26 June 1972
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Abstract

He4(γ, p)H3 and He4(γ, n)He3 cross sections have been calculated for photon energies from the (γ, n) threshold to 34 MeV. Effects of Coulomb interactions, channel spin mixing, and mass differences have been taken into account using a coupled-channel continuum-shell-model calculation of p-H3 and n-He3 elastic and charge-exchange scattering. The ratio σ(γ, p)σ(γ, n) is predicted to be close to 1, except at energies very close to the (γ, n) threshold.

  • Received 12 May 1972

DOI:https://doi.org/10.1103/PhysRevLett.28.1729

©1972 American Physical Society

Authors & Affiliations

J. T. Londergan*

  • Department of Physics, Indiana University, Bloomington, Indiana 47401, and Department of Physics, Case Western Reserve University, Clevelend, Ohio 44106

C. M. Shakin

  • Department of Physics, Case Western Reserve University, Cleveland, Ohio 44106

  • *Present address.

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Vol. 28, Iss. 26 — 26 June 1972

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