FCNC top quark production via anomalous tqV couplings beyond leading order

Details FCNC top quark production via anomalous tqV couplings beyond leading order FCNC top quark production via anomalous tqV couplings beyond leading order

2003-10-27

arxiv.org/abs/hep-ph/0310299v2

JHEP 0312 (2003) 004

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, 10 figures; several additions, changes, and corrections to text and figures; references added

Scientific paper

10.1088/1126-6708/2003/12/004

We calculate flavor-changing neutral-current (FCNC) processes involving top-quark production via anomalous tqV couplings at the Tevatron and HERA colliders. We cover the FCNC processes p pbar -> t Z, p pbar -> t gamma, p pbar -> t t, and e p -> e t. We go beyond leading order and include the effects of soft-gluon corrections through next-to-next-to-leading order. We demonstrate the stabilisation of the cross section with respect to the variation of QCD scale, and we investigate the reach of the Tevatron and HERA colliders.

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