Non-factorizable corrections to W-pair production

Details Non-factorizable corrections to W-pair production Non-factorizable corrections to W-pair production

1997-06-12

arxiv.org/abs/hep-ph/9706339v1

Phys.Lett. B411 (1997) 203-210

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, LaTeX2e, 2 figures, uses axodraw.sty

Scientific paper

10.1016/S0370-2693(97)01010-1

In this paper we study the non-factorizable QED corrections to W-pair-mediated (charged-current) four-fermion production in electron-positron collisions. A brief account of the obtained analytical results is given. They turn out to be different from the ones published in the literature. For the first time numerical results are presented, in particular the effects on the W line-shape. These effects are of the order of a per cent. Applying the same methods to ZZ- or ZH-mediated four-fermion production, the non-factorizable $O(\alpha)$ corrections to the Z or H line-shape vanish.

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