Possibility of measuring the magnetic moment of theWboson at heavy-ion colliders

We consider the possibility of measuring the magnetic moment at the $W$ boson at a heavy-ion collider. We find that the cross section for the process $\mathrm{Pb}+\mathrm{Pb}\to \gamma \gamma \to e^{\pm }{\nu }_e{\mu }^{\mp }{\nu }_{\mu }$ is very sensitive to this parameter and that a $3\sigma$ measurement of 35% seems possible at the CERN Large Hadron Collider and a precision of 8% or so at the Superconducting Super Collider, given an integrated luminosity of 0.1 ${\mathrm{pb}}^{-1\mathrm{}}$.