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We calculate the one-loop contribution to the two-photon decay widths of scalar and pseudoscalar bosons in a supersymmetric SU(2)×{}U(1) gauge theory using component fields. Effective Lagrangians for these reactions are also constructed using superfields, thus confirming that these widths do not vanish in the supersymmetric limit.
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Kalyniak et al. (1986) studied this question.
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