Light hadron production in $B_c \to J/ψ+X$ decays

Details Light hadron production in $B_c \to J/ψ+X$ decays Light hadron production in $B_c \to J/ψ+X$ decays

2009-10-16

arxiv.org/abs/0910.3089v2

Phys.Rev.D81:014015,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

minor changes, published in Phys.Rev. D

Scientific paper

10.1103/PhysRevD.81.014015

Decays of ground state $B_{c}$-meson $B_{c}\to J/\psi+n\pi$ are considered. Using existing parametrizations for $B_{c}\to J/\psi$ form-factors and $W^{*}\to n\pi$ spectral functions we calculate branching fractions and transferred momentum distributions of $B_{c}\to J/\psi+n\pi$ decays for $n=1,2,3,4$. Inclusive decays $B_{c}\to J/\psi+\bar{u}d$ and polarization asymmetries of final charmonium are also investigated. Presented in our article results can be used to study form-factors of $B_{c}\to J/\psi$ transitions, $\pi$-meson system spectral functions and give the opportunity to check the factorization theorem.

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