Soft Photons in W+W- Production at LEP200
Abstract
The pattern of soft photon radiation in has a rich structure, with contributions from photon emission off the initial state and off the final state particles both before and after decay. In particular, the interference between the contributions involving the decaying W's depends on the decay width. We review the theoretical result for the radiation pattern, and present predictions for LEP200, i.e. in annihilation just above threshold.
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