Leading logarithm calculation of the e^+ e^- -> e^+ ν_e \bar{u} d cross section

Details Leading logarithm calculation of the e^+ e^- -> e^+ ν_e \bar{u} d cross section Leading logarithm calculation of the e^+ e^- -> e^+ ν_e \bar{u} d cross section

2000-06-10

arxiv.org/abs/hep-ph/0006094v1

Phys.Rev. D63 (2001) 074015

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages including 9 figures

Scientific paper

10.1103/PhysRevD.63.074015

We analytically evaluate in the leading logarithm approximation the differential cross section for e^+ e^- -> e^+ \nu_e \bar{u} d. We compare our order \alpha^4 \alpha_s^0 leading-log result to the order \alpha^4 \alpha_s^0 exact result obtained from the GRC4F Monte Carlo program. Finally we use the Gluck, Reya, Schienbien distribution of partons in a virtual photon, which incorporates both evolution and nonperturbative strong interaction contributions, to obtain better estimates of the differential cross section.

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