Polarization in B_c -> J/ψmu nu

Details Polarization in B_c -> J/ψmu nu Polarization in B_c -> J/ψmu nu

1998-05-26

arxiv.org/abs/hep-ph/9805456v1

J.KoreanPhys.Soc.32:786-791,1998

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 2 figures, RevTeX

Scientific paper

We study the polarization of the J/\psi meson of the B_c -> J/\psi mu nu decay process, followed by J/\psi -> mu+ mu-, with the help of the heavy-quark spin symmetry formalism (HQSS). We adapt the ISGW wave function. Due to the clean signature of the decay mode, measurements of the polarization of the J/\psi meson can play a special role in extracting |V_{cb}|, the quark mixing-matrix element. We compare the results with the predictions of other quark models.

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