First determination of the quark mixing matrix element Vtb independent of assumptions of unitarity

Details First determination of the quark mixing matrix element Vtb independent of assumptions of unitarity First determination of the quark mixing matrix element Vtb independent of assumptions of unitarity

1997-12-17

arxiv.org/abs/hep-ph/9712420v1

Phys.Rev. D58 (1998) 093006

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 figures

Scientific paper

10.1103/PhysRevD.58.093006

We present a new method for the determination of the Cabibbo-Kobayashi-Maskawa quark mixing matrix element $|V_{tb}|$ from electroweak loop corrections, in particular those affecting the process $Z\to b\bar{b}$. From a combined analysis of results from the LEP, SLC, Tevatron, and neutrino scattering experiments we determine $|V_{tb}| = 0.77^{+0.18}_{-0.24}$. This is the first determination of $|V_{tb}|$ which is independent of unitarity assumptions.

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