$B^*_{s,d} \to \mu^+ \mu^-$ 及其对 $B_{s,d} \to \mu^+ \mu^-$ 的影响
高能物理 - 唯象学
2016-11-23 v2
摘要
本文研究了 B s , d ∗ → μ + μ − B^*_{s,d} \to \mu^+ \mu^- B s , d ∗ → μ + μ − B s , d → μ + μ − B_{s,d} \to \mu^+ \mu^- B s , d → μ + μ − B s , d ∗ B^*_{s,d} B s , d ∗ μ + μ − \mu^+ \mu^- μ + μ − B s , d B_{s,d} B s , d B r ( B s , d ∗ → μ + μ − ) / B r ( B s , d → μ + μ − ) Br({B_{s,d}^*\to \mu^+\mu^-})/{Br({B_{s,d}\to\mu^+\mu^-})} B r ( B s , d ∗ → μ + μ − ) / B r ( B s , d → μ + μ − ) 0.3 × e V Γ ( B s , d ∗ → B s , d γ ) \frac{0.3 \times {\rm eV}}{{\Gamma(B^*_{s,d} \to B_{s,d} \gamma)}} Γ ( B s , d ∗ → B s , d γ ) 0.3 × eV B s , d → B s , d ∗ γ → μ + μ − B_{s,d} \to B^*_{s,d} \gamma \to \mu^+ \mu^- B s , d → B s , d ∗ γ → μ + μ − B s , d → μ + μ − B_{s,d}\to \mu^+\mu^- B s , d → μ + μ − ( 0.01 ± 0.006 ) Γ ( B s , d ∗ → B s , d γ ) 100 e V (0.01\pm 0.006) \sqrt{\frac{{\Gamma(B^*_{s,d} \to B_{s,d} \gamma)}}{{100~ {\rm eV}}}} ( 0.01 ± 0.006 ) 100 eV Γ ( B s , d ∗ → B s , d γ ) Γ ( B s , d ∗ → B s , d γ ) = 2 \Gamma(B^*_{s,d} \to B_{s,d} \gamma)=2~ Γ ( B s , d ∗ → B s , d γ ) = 2 B s ∗ B^*_{s} B s ∗ B d ∗ B^*_{d} B d ∗ ( 6.2 ± 0.6 ) × 10 − 10 (6.2 \pm 0.6) \times 10^{-10} ( 6.2 ± 0.6 ) × 1 0 − 10 ( 1.7 ± 0.2 ) × 10 − 11 (1.7 \pm 0.2) \times 10^{-11} ( 1.7 ± 0.2 ) × 1 0 − 11 Γ ( B s , d ∗ → B s , d γ ) = 200 \Gamma(B^*_{s,d} \to B_{s,d} \gamma)=200~ Γ ( B s , d ∗ → B s , d γ ) = 200 B s B_{s} B s B d B_{d} B d ( 3.78 ± 0.25 ) × 10 − 9 (3.78 \pm 0.25)\times 10^{-9} ( 3.78 ± 0.25 ) × 1 0 − 9 ( 1.09 ± 0.09 ) × 10 − 10 (1.09 \pm 0.09)\times 10^{-10} ( 1.09 ± 0.09 ) × 1 0 − 10 B s , d ∗ B^*_{s,d} B s , d ∗ J / ψ J/\psi J / ψ
引用
@article{arxiv.1601.03386,
title = {$B^*_{s,d} \to \mu^+ \mu^-$ and its impact on $B_{s,d} \to \mu^+ \mu^-$},
author = {Guang-Zhi Xu and Yue Qiu and Cheng-Ping Shen and Yu-Jie Zhang},
journal= {arXiv preprint arXiv:1601.03386},
year = {2016}
}
备注
Comments and suggestions are welcome