English

${\Upsilon}(nS)$ ${\to}$ $B_{c}{\rho}$, $B_{c}K^{\ast}$ decays with perturbative QCD approach

High Energy Physics - Phenomenology 2017-10-02 v1 High Energy Physics - Experiment
Authors: Junfeng Sun , Yueling Yang , Jinshu Huang , Gongru Lu , Qin Chang
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Abstract

Inspired by the potential prospects of Υ(nS){\Upsilon}(nS) data samples (nn == 11, 22, 33) at LHC and SuperKEKB, Υ(nS){\Upsilon}(nS) →{\to} BcρB_{c}{\rho}, BcK∗B_{c}K^{\ast} decays are studied phenomenologically with pQCD approach. Branching ratios for Υ(nS){\Upsilon}(nS) →{\to} BcρB_{c}{\rho} and BcK∗B_{c}K^{\ast} decays are estimated to reach up to O(10−11){\cal O}(10^{-11}) and O(10−12){\cal O}(10^{-12}), respectively. Given the identification and detection efficiency of final states, searching for these weak decay modes should be fairly challenging experimentally in the future.

Keywords

Perturbative QCD Upsilon decay Weak decay Branching ratio Bottomonium

Cite

@article{arxiv.1709.10221,
  title  = {${\Upsilon}(nS)$ ${\to}$ $B_{c}{\rho}$, $B_{c}K^{\ast}$ decays with perturbative QCD approach},
  author = {Junfeng Sun and Yueling Yang and Jinshu Huang and Gongru Lu and Qin Chang},
  journal= {arXiv preprint arXiv:1709.10221},
  year   = {2017}
}

Comments

14 pages, 3 figures, revtex

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