Abstract
The effect of the two-body correlation including the tensor force on photonuclear cross sections is discussed using the sum-rule calculation. The two- body interaction is assumed to be of the central plus tensor potential, both of which are partiy of the Majorana exchange type and partiy of Gaussian shape without a hard core, the parameters of which are taken from an analysis of two- nucleon scattering. The calculation is performed by first order perturbation. The integrated cross section is found to increase by several tens of percent from the value of the independent-particle model. The result is not inconsistent with experiments. The bremsstrahlung-weighted cross section is not affected by the tensor force in this order of approximation. (auth)
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