Polarization of a Virtual Photon
in the Reaction ep ep (ep eX)

M. V. Galynskii and M. I. Levchuk

Institute of Physics, Belarussian Academy of Sciences, pr. Frantsiask Skorina 70, Minsk, 220072 Belarus

Received February 26, 1997

Abstract—A covariant expression for the lepton tensor is obtained in the form where the contributions of the
longitudinal and transverse polarizations of a virtual photon are explicitly separated. It is shown that the degree
of the linear polarization of the virtual photon is greater when the lepton mass is taken into account.

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