The annihilation decay B_c \to eta' l ν

Details The annihilation decay B_c \to eta' l ν The annihilation decay B_c \to eta' l ν

1999-05-19

arxiv.org/abs/hep-ph/9905393v2

Phys.Rev. D60 (1999) 054009

Physics

High Energy Physics

High Energy Physics - Phenomenology

Typo corrected. To be published in PRD

Scientific paper

10.1103/PhysRevD.60.054009

We first investigate the semileptonic annihilation decay B_c \to \eta' l\nu
in QCD. We find that the $\eta'$ momentum distribution is peaked within its
small recoil region due to the loop effects. The branching ratio is estimated
to be $ Br(B_c \to \eta' l\nu)=1.6\times 10^{-4}$ for $l=\mu,e$, which is
accessible at CERN LHC.

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