Radiation of Light Fermions in Heavy Fermion Production

Details Radiation of Light Fermions in Heavy Fermion Production Radiation of Light Fermions in Heavy Fermion Production

1995-05-09

arxiv.org/abs/hep-ph/9505262v1

Nucl.Phys. B452 (1995) 173-187

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, LaTex (uses epsf.sty, 4 figures appended as uuencoded ps files). The complete paper, including figures, is also avai

Scientific paper

10.1016/0550-3213(95)00308-F

The rate for the production of a pair of massive fermions in $e^+ e^-$ annihilation plus real or virtual radiation of a pair of massless fermions is calculated analytically. The contributions for real and virtual radiation are displayed separately. The asymptotic behaviour close to threshold and for high energies is given in a compact form. These approximations provide arguments for the appropriate choice of the scale in the ${\cal O}(\alpha)$ result, such that no large logarithms remain in the final answer.

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