Stellar energy loss and supersymmetry

Abstract

We calculate the rate of energy loss from stellar bodies through production of γ^~ and G^~, the supersymmetric partners of the conventional photon and graviton, in γ+γ→γ~+γ^~-,γ^~+G^~--,γ^~--+G^~. For the light masses of γ^~ and G^~, we find that the γ^~ luminosity is dominant over the standard neutrino luminosity in γ-γ reactions at all temperatures. Furthermore, the ν luminosity due to supersymmetric contributions from scalar electrons and W^~'s is insignificant if the present constraints on the masses of W^~'s and scalar electrons are taken seriously.