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The ${\Upsilon}(1S)$ ${\to}$ $B_{c}{\rho}$ decay with perturbative QCD approach

High Energy Physics - Phenomenology 2016-07-26 v2
Authors: Junfeng Sun , Yueling Yang , Qingxia Li , Gongru Lu , Jinshu Huang , Qin Chang
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Abstract

With the potential prospects of the Υ(1S){\Upsilon}(1S) data samples at the running LHC and upcoming SuperKEKB, the Υ(1S){\Upsilon}(1S) →{\to} BcρB_{c}{\rho} weak decays are studied with the pQCD approach. It is found that (1) the lion's share of branching ratio comes from the longitudinal polarization helicity amplitudes; (2) branching ratio for the Υ(1S){\Upsilon}(1S) →{\to} BcρB_{c}{\rho} decay can reach up to O(10−9){\cal O}(10^{-9}), which might be hopefully measurable.

Keywords

upsilon(1s) decay b_c meson rho meson perturbative qcd weak decay branching ratio longitudinal polarization

Cite

@article{arxiv.1601.00259,
  title  = {The ${\Upsilon}(1S)$ ${\to}$ $B_{c}{\rho}$ decay with perturbative QCD approach},
  author = {Junfeng Sun and Yueling Yang and Qingxia Li and Gongru Lu and Jinshu Huang and Qin Chang},
  journal= {arXiv preprint arXiv:1601.00259},
  year   = {2016}
}

Comments

14 pages, revtex

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