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arXiv:1009.1453 [hep-ph]AbstractReferencesReviewsResources

$Z_0$ Boson Decays to $B^{(*)}_c$ Meson and Its Uncertainties

Li-Cheng Deng, Xing-Gang Wu, Zhi Yang, Zhen-Yun Fang, Qi-Li Liao

Published 2010-09-08Version 1

The programming new $e^{+}e^-$ collider with high luminosity shall provide another useful platform to study the properties of the doubly heavy $B_c$ meson in addition to the hadronic colliders as LHC and TEVATRON. Under the `New Trace Amplitude Approach', we calculate the production of the spin-singlet $B_c$ and the spin-triplet $B^*_c$ mesons through the $Z^0$ boson decays, where uncertainties for the production are also discussed. Our results show $\Gamma_{(^1S_0)}= 81.4^{+102.1}_{-40.5}$ KeV and $\Gamma_{(^3S_1)}=116.4^{+163.9}_{-62.8}$ KeV, where the errors are caused by varying $m_b$ and $m_c$ within their reasonable regions.

Comments: 11 pages, 5 figures, 2 tables. To be published in Eur.Phys.J.C
Journal: Eur.Phys.J.C70:113-124,2010
Categories: hep-ph
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