Elsevier

Nuclear Physics A

Volume 180, Issue 1, 10 January 1972, Pages 69-78
Nuclear Physics A

The 14N(τ, p)16O(g.s.) reaction between 7.9 and 18.0 MeV

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Abstract

Angular distributions of ground state protons from the 14N(τ, p)16O reaction have been measured in the (laboratory) angular range 0°–160° at E(τ) = 7.96, 8.60, 9.80 and 10.63 MeV and in the range 7.5°–157.5° at E(τ) = 12.0, 14.0, 15.0 and 18.0 MeV. It is concluded that compound nucleus formation, or an intermediate process, dominates the reaction mechanism over most of the energy range investigated. At the higher energies, two-particle distorted-wave calculations have been performed, using standard optical-model parameters. Fits are reasonable only at forward angles, where the data indicate a dominant L = 2 contribution to the angular distribution. These fits favor the Cohen-Kurath description of the 14N and 16O ground states over that of Zuker, Buck and McGrory.

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    Supported in part by a grant from the Alfred P. Sloan Foundation.

    ††

    Supported in part by the National Science Foundation

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