Quark mixing renormalization effects in the determination of the CKM parameters |V_{ij}|

Details Quark mixing renormalization effects in the determination of the CKM parameters |V_{ij}| Quark mixing renormalization effects in the determination of the CKM parameters |V_{ij}|

2008-11-03

arxiv.org/abs/0811.0355v2

Phys.Rev.D79:076007,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages; title changed, discussion substantially modified and extended, table and references added; accepted for publication

Scientific paper

10.1103/PhysRevD.79.076007

We briefly review existing proposals for the renormalization of the Cabibbo-Kobayashi-Maskawa (CKM) matrix and study the numerical effects of several of them on the W-boson hadronic partial decay widths. We then use these results to evaluate the relative shifts on the CKM parameters |V_{ij}|^2 induced by the quark mixing renormalization effects, as well as their scheme dependence. We also discuss the implications of this analysis for the most precise unitarity test of the CKM matrix.

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