Production of electroweak bosons in e+e- annihilation at high energies

Details Production of electroweak bosons in e+e- annihilation at high energies Production of electroweak bosons in e+e- annihilation at high energies

2002-07-12

arxiv.org/abs/hep-ph/0207159v1

Phys.Rev. D66 (2002) 114018

Physics

High Energy Physics

High Energy Physics - Phenomenology

Revtex4, 16 pages, 7 figures, 2 tables

Scientific paper

10.1103/PhysRevD.66.114018

Production of electroweak bosons in e+e- annihilation into quarks and into leptons at energies much greater than 100 Gev is considered. We account for double-logarithmic contributions to all orders in electroweak couplings. It is assumed that the bosons are emitted in the multi-Regge kinematics. The explicit expressions for the scattering amplitudes of the process are obtained. It is shown that the cross sections of the photon and Z production have the identical energy dependence and asymptotically their ratio depends only on the Weinberg angle whereas the energy dependence of the cross section of the W production is suppressed by factor s^{-0.4} compared to them.

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