Chin. Phys. Lett.  2020, Vol. 37 Issue (10): 101301    DOI: 10.1088/0256-307X/37/10/101301
THE PHYSICS OF ELEMENTARY PARTICLES AND FIELDS |
Anomalous $tq\gamma$ Couplings and Radiative ${\boldsymbol B}$ Meson Decays
Ying Tan  and Chong-Xing Yue*
Department of Physics, Liaoning Normal University, Dalian 116029, China
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Ying Tan  and Chong-Xing Yue 2020 Chin. Phys. Lett. 37 101301
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Abstract Motivated by the recent ATLAS results in terms of the branching ratios $ Br(t\rightarrow q\gamma)$, we consider the effects of the anomalous $tq\gamma$ couplings on the radiative $B$ meson decays $\bar{B}\rightarrow X_{D} \gamma$ and $B\rightarrow V\gamma$ with $V$ being light vector mesons $\rho,\omega,\phi$ and $K^{\ast}$. Comparing with the corresponding experimental measured data, we obtain the constraints on anomalous $tq\gamma$ couplings.
Received: 26 May 2020      Published: 29 September 2020
PACS:  13.20.He (Decays of bottom mesons)  
  14.65.Ha (Top quarks)  
  11.10.Ef (Lagrangian and Hamiltonian approach)  
Fund: Supported by the National Natural Science Foundation of China (Grant Nos. 11875157 and 11947402).
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https://cpl.iphy.ac.cn/10.1088/0256-307X/37/10/101301       OR      https://cpl.iphy.ac.cn/Y2020/V37/I10/101301
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Ying Tan  and Chong-Xing Yue
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