• [1]

    J. P. Lees et al. (BABAR Collaboration), Phys. Rev. Lett., 109: 101802 (2012)

  • [2]

    J. P. Lees et al. (BABAR Collaboration), Phys. Rev. D, 88: 072012 (2013)

  • [3]

    D. Bigi and P. Gambino, Phys. Rev. D, 94: 094008 (2016)

  • [4]

    F. U. Bernlochner, Z. Ligeti, M. Papucci et al., Phys. Rev. D, 95: 115008 (2017)

  • [5]

    S. Jaiswal, S. Nandi, and S.K. Patra, JHEP, 1712: 060 (2017)

  • [6]

    D. Bigi, P. Gambino, and S. Schacht, JHEP, 1711: 061 (2017)

  • [7]

    J. A. Bailey et al. (Fermilab Lattice and MILC Collaborations), Phys. Rev. D, 92: 034506 (2015)

  • [8]

    H. Na et al. (HPQCD Collaboration), Phys. Rev. D, 92: 054510 (2015)

  • [9]

    Y. Y. Fan, W. F. Wang, S. Cheng et al., Chin. Sci. Bull., 59: 125 (2014)

  • [10]

    Y. Y. Fan, Z. J. Xiao, R. M. Wang et al., Sci. Bull., 60: 2009 (2015)

  • [11]

    S. Fajfer, J. F. Kamenik, and I. Nisandzic, Phys. Rev. D, 85: 094025 (2012)

  • [12]

    A. Datta, M. Duraisamy, and D. Ghosh, Phys. Rev. D, 86: 034027 (2012)

  • [13]

    Y. Sakaki, M. Tanaka, A. Tayduganov et al., Phys. Rev. D, 91: 114028 (2015)

  • [14]

    M. Freytsis, Z. Ligeti, and J. T. Ruderman, Phys. Rev. D, 92: 054018 (2015)

  • [15]

    S. Bhattacharya, S. Nandi, and S. K. Patra, Phys. Rev. D, 93: 034011 (2016)

  • [16]

    X.-Q. Li, Y.-D. Jang, and X. Zhang, JHEP, 1608: 054 (2016)

  • [17]

    D. Bardhan, P. Byakti, and D. Ghosh, JHEP, 1701: 125 (2017)

  • [18]

    A. Celis, M. Jung, X.-Q. Li et al., Phys. Lett. B, 771: 168 (2017)

  • [19]

    M. Huschle et al. (Belle Collaboration), Phys. Rev. D, 92: 072014 (2015)

  • [20]

    S. Hirose et al. (Belle Collaboration), Phys. Rev. Lett., 118: 211801 (2017)

  • [21]

    S. Hirose et al. (Belle Collaboration), Phys. Rev. D, 97: 012004 (2018)

  • [22]

    R. Aaij et al. (LHCb Collaboration), Phys. Rev. Lett., 120: 171802 (2018)

  • [23]

    A. Abdesselam et al. (Belle Collaboration), arxiv: 1904.08794[hep-ex]

  • [24]

    G. Caria et al. (Belle Collaboration), arxiv: 1910.05864[hep-ex]

  • [25]

    R. Aaij et al. (LHCb Collaboration), Phys. Rev. D, 97: 072013 (2018)

  • [26]

    G. Caria et al. (Belle Collaboration), talk given at 54th Rencontres de Moriond, EW, Mar. 22, 2019

  • [27]

    A. Hicheur (LHCb Collaboration), arXiv: 1910.13121[hep-ex]

  • [28]

    Y. Amhis et al. (HFLAV Collaboration), Eur. Phys. J. C, 77: 895 (2017)

  • [29]

    Y. Amhis et al. (HFLAV Collaboration), arXiv: 1909.12524[hep-ex]; and references therein

  • [30]

    A. Abdesselam et al. (Belle Collaboration), arXiv: 1903. 03102[hep-ex]

  • [31]

    M. Tanaka and R. Watanabe, Phys. Rev. D, 87: 034028 (2013)

  • [32]

    Z. R. Huang, Y. Li, C. D. Lü et al., Phys. Rev. D, 98: 095018 (2018)

  • [33]

    S. Bhattacharya, S. Nandi, and S. K. Patra, Eur. Phys. J. C, 79: 268 (2019)

  • [34]

    S. Faller, A. Khodjamirian, Ch. Klein et al., Eur. Phys. J. C, 60: 603 (2009)

  • [35]

    Y. M. Wang, Y. B. Wei, Y. L. Shen et al., JHEP, 1706: 062 (2017)

  • [36]

    Y. Zhang, T. Zhong, X. G. Wu et al., Eur. Phys. J. C, 78: 76 (2018)

  • [37]

    T. Bhattacharya et al. (LANL/SWME Collaboration), arXiv: 1812.07675

  • [38]

    Jon A. Bailey et al. (LANL-SWME Collaboration), EPJ Web Conf., 175: 13012 (2018)

  • [39]

    T. Kaneko et al. (JLQCD Collaboration), arXiv: 1811.00794

  • [40]

    C. J. Monahan, C. M. Bouchard, G. P. Lepage et al. (HPQCD Collaboration), Phys. Rev. D, 98: 114509 (2018)

  • [41]

    Judd Harrison et al. (HPQCD Collaboration), Phys. Rev. D, 97: 054502 (2018)

  • [42]

    Y. Y. Fan, W. F. Wang ,and Z. J. Xiao, Phys. Rev. D, 89: 014030 (2014)

  • [43]

    W. F. Wang and Z. J. Xiao, Phys. Rev. D, 86: 114025 (2012)

  • [44]

    W. M. Wang, M. Liu, and Z. J. Xiao, Phys. Rev. D, 87: 097501 (2013)

  • [45]

    Z. J. Xiao, Y. Y. Fan, W. F. Wang et al., Chin. Sci. Bull., 59: 3787 (2014)

  • [46]

    W .F. Wang, Y. Y. Fan, and Z. J. Xiao, Chin. Phys. C, 37: 093102 (2013)

  • [47]

    W. F. Wang, X. Yu, C. D. Lü et al., Phys. Rev. D, 90: 094018 (2014)

  • [48]

    X. Q. Hu, S. P. Jin, and Z. J. Xiao, Chin. Phys. C, 44: 023104 (2020)

  • [49]

    C. Bourrely, I. Caprini, and L. Lellouch, Phys. Rev. D, 79: 013008 (2009)

  • [50]

    D. Leljak, B. Melic, and M. Patra, JHEP, 05: 094 (2019)

  • [51]

    T. Kurimoto, H. N. Li, and A. I. Sanda, Phys. Rev. D, 67: 054028 (2003)

  • [52]

    Z. J. Xiao, W. F. Wang, and Y. Y. Fan, Phys. Rev. D, 85: 094003 (2012)

  • [53]

    R. H. Li, C. D. Lü, and H. Zou, Phys. Rev. D, 78: 014018 (2008)

  • [54]

    M. Beneke and Th. Feldmann, Nucl. Phys. B, 592: 3 (2001)

  • [55]

    Jon A. Bailey et al. (Fermilab Lattice and MILC Collaborations), Phys. Rev. D, 89: 114504 (2014)

  • [56]

    Jon A. Bailey et al. (Fermilab Lattice and MILC Collaborations), Phys. Rev. D, 85: 114502 (2012)

  • [57]

    M. Atoui, V. Morenas, D. Becirevic et al., Eur. Phys. J. C, 74: 2861 (2014)

  • [58]

    W. Wang, Y. L. Shen, and C. D. Lü, Phys. Rev. D, 79: 054012 (2009)

  • [59]

    G. Buchalla, A. J. Buras, and M. E. Lautenbacher, Rev. Mod. Phys., 68: 1125 (1996)

  • [60]

    R. H. Li, C. D. Lü, W. Wang et al., Phys. Rev. D, 79: 014013 (2009)

  • [61]

    M. A. Ivanov, Jurgen G. Korner, and C. T. Tran, Phys. Rev. D, 92: 114022 (2015)

  • [62]

    M. A. Ivanov, Jurgen G. Korner et al., Phys. Rev. D, 95: 036021 (2017)

  • [63]

    M. Tanaka and R. Watanabe, Phys. Rev. D, 82: 034027 (2010)

  • [64]

    Y. Sakaki, R. Watanabe, M. Tanaka, A. Tayduganov, Phys. Rev. D, 88: 094012 (2013)

  • [65]

    M. Tanabashi et al. (Particle Data Group), Phys. Rev. D, 98: 030001 (2018)

  • [66]

    V. Lubicz et al. (ETM Collaboration), Phys. Rev. D, 96: 034524 (2017)

  • [67]

    X. J. Chen, H. F. Fu, C. S. Kim et al., J. Phys. G, 39: 045002 (2012)

  • [68]

    R.N. Faustov and V.O. Galkin, Phys. Rev. D, 87: 034033 (2013)

  • [69]

    R. H. Li, C. D. Lu, and Y. M. Wang, Phys. Rev. D, 80: 014005 (2009)

  • [70]

    G. Li, F. L. Shao, and W. Wang, Phys. Rev. D, 82: 094031 (2010)

  • [71]

    S. M. Zhao, X. Liu, and S. J. Li, Eur. Phys. J. C, 51: 601 (2007)

  • [72]

    K. Azizi and M. Bayar, Phys. Rev. D, 78: 054011 (2008); K. Azizi, Nucl. Phys. B, 801: 70 (2008)

  • [73]

    R. Dutta and N. Rajeev, Phys. Rev. D, 97: 095045 (2018)

  • [74]

    T. Kurimoto, H. N. Li, and A. I. Sanda, Phys. Rev. D, 65: 014007 (2001)

  • [75]

    C. D. Lü, K. Ukai, and M. Z. Yang, Phys. Rev. D, 63: 074009 (2001)