Abstract
Two-boson-exchange charge density operator is obtained for static nucleons by taking account of rr-, p· and aJ-meson exchanges and Ll-intermediate state with a consistent treatment of nuclear wave function and effective operator. We study its effect to the charge form factor of 'He by adopting a simple nuclear wave function. At high momentum transfer, two-boson exchange charge density is found to have an appreciable contribution to the nuclear charge form factor.
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