Elsevier

Nuclear Physics A

Volume 303, Issue 3, 10 July 1978, Pages 333-344
Nuclear Physics A

Isospin effects in the giant dipole resonance region of 51V and 59Co

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Abstract

The differential cross sections of the (e, e'p) reactions for 51V and 59Co have been measured at 90° over the region of excitation corresponding to the electric giant dipole resonance. The (γ, p) cross sections of these nuclei were deduced from differential cross sections assuming isotropic angular distributions of protons. The results are compared with the (γ, n) cross sections, and are used to obtain strengths of the T< and T > giant dipole states separately by using the statistical theory. For each nucleus the ratio of the separated strengths and the splitting energy are consistent with those expected by the isospin formalism.

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    Present address: Shimazu Seisakusho Ltd., Kawaramachi-dori, Chukyoku, Kyoto, Japan.

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