B^-_c->η' \ell^- \barν decay and lepton polarization asymmetry

Details B^-_c->η' \ell^- \barν decay and lepton polarization asymmetry B^-_c->η' \ell^- \barν decay and lepton polarization asymmetry

2005-09-14

arxiv.org/abs/hep-ph/0509143v2

Eur.Phys.J.C47:423-428,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 8 figures

Scientific paper

10.1140/epjc/s2006-02598-2

In this paper we study the lepton polarization asymmetry for the simileptonic OZI-forbidden annihilation B^-_c->\eta' \ell^- \bar{\nu} decay where \ell=\mu, \tau. Our results show that the branching ratio turn out to be of order 10^{-4}. Beside, we find that longitudinal, transversal and normal components of lepton polarizations can be measured for both \mu and \tau decay modes in the future experiments at the LHC.

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