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Analytic representation; modifiedN/D method; ³He form factors

A modifiedN/D method is applied for the cases of³He charge and magnetic form factors. Anomalous cut positions are computed using possible exchanges at the photon-³He electromagnetic vertex. and one of them is found att_a=0.0618 GeV². TheD-function is used to parametrize the two-pion cut while theN-function is taken to represent the effect of an anomalous or the three-pion cut. Excellent fits to the available experimental data on charge and magnetic form factors are obtained and several useful information on the form factors computed.

K N Agrawalla¹ M K Parida^{1 2}

1. Kendrapara College, Kendrapara, Cuttack - 754 211, India
2. Physics Department, North Eastern Hill University, Shillong - 793 003, India

Published

February 1987

Manuscript received

14 March 1986

Manuscript revised

5 November 1986