The Photodisintegration of the Deuteron at Intermediate Energies. II

Abstract

The measurements of Barnes, Carver, Stafford, and Wilkinson on the absolute cross section for photodisintegration of the deuteron in the range of gamma-ray energy from 4.45 to 17.6 Mev are analyzed. The cross sections for the electric dipole disintegration from the ${}_{}{}^3{}_{}{}^{}S$-state are obtained by subtracting small computed magnetic dipole and ${}_{}{}^3{}_{}{}^{}D$-state contributions. The electric dipole cross sections are analyzed from the point of view of both square well and Yukawa-type interactions and yield the following effective ranges (in units of ${10}^{-13\mathrm{}}$ cm): $\{\mathrm{Effective}\mathrm{range},\mathrm{Square}\mathrm{well},\mathrm{Yukawa}\mathrm{well}\}\left\{{\rho }_t\right(-\epsilon ,-\epsilon ),1.731.79\}\left\{{\rho }_t\right(0,-\epsilon ),1.751.70\}\left\{{\rho }_t\mathrm{}\right(0,0)\mathrm{},1.771.62\}$ The probable error in ${\rho }_t(-\epsilon ,-\epsilon )$ is ±0.09×${10}^{-13\mathrm{}}$ cm. ${}_{}{}^3{}_{}{}^{}P$-state forces have been neglected. The meson mass associated with the Yukawa well is 291±24 electron masses.