- [1]
R. Aaijet al., Phys. Rev. Lett.,122: 152002 (2019)
- [2]
Z. G. Wang, Int. J. Mod. Phys. A,34: 1950110 (2019)
- [3]
H. X. Chen and W. Chen, Phys. Rev. D,99: 074022 (2019)
- [4]
M. Ablikimet al., Phys. Rev. Lett.,110: 252001 (2013)
- [5]
Z. Q. Liuet al., Phys. Rev. Lett.,110: 252002 (2013)
- [6]
T. Xiao, S. Dobbs, A. Tomaradzeet al., Phys. Lett. B,727: 366 (2013)
- [7]
M. Ablikimet al., Phys. Rev. Lett.,112: 132001 (2014)
- [8]
M. Ablikimet al., Phys. Rev. Lett.,111: 242001 (2013)
- [9]
M. Tanabashiet al., Phys. Rev. D,98: 030001 (2018)
- [10]
R. Aaijet al., Phys. Rev. Lett.,112: 222002 (2014)
- [11]
M. Ablikimet al., Phys. Rev. Lett.,119: 072001 (2017)
- [12]
Q. Wang, C. Hanhart, and Q. Zhao, Phys. Rev. Lett.,111: 132003 (2013)
- [13]
F. K. Guo, C. Hidalgo-Duque, J. Nieveset al., Phys. Rev. D,88: 054007 (2013)
- [14]
C. Y. Cui, Y. L. Liu, W. B. Chenet al., J. Phys. G,41: 075003 (2014); J. R. Zhang, Phys. Rev. D,87: 116004 (2013)
- [15]
Z. G. Wang and T. Huang, Eur. Phys. J. C,74: 2891 (2014); Z. G. Wang, Eur. Phys. J. C,74: 2963 (2014)
- [16]
H. W. Ke, Z. T. Wei, and X. Q. Li, Eur. Phys. J. C,73: 2561 (2013)
- [17]
J. He, X. Liu, Z. F. Sunet al., Eur. Phys. J. C,73: 2635 (2013)
- [18]
Y. B. Dong, A. Faessler, T. Gutscheet al., Phys. Rev. D,88: 014030 (2013)
- [19]
L. Maiani, V. Riquer, R. Facciniet al., Phys. Rev. D,87: 111102 (2013)
- [20]
Z. G. Wang and T. Huang, Phys. Rev. D,89: 054019 (2014)
- [21]
C. F. Qiao and L. Tang, Eur. Phys. J. C,74: 3122 (2014); C. F. Qiao and L. Tang, Eur. Phys. J. C,74: 2810 (2014)
- [22]
Z. G. Wang, Commun. Theor. Phys.,63: 466 (2015)
- [23]
Z. G. Wang, Eur. Phys. J. C,76: 387 (2016)
- [24]
C. Deng, J. Ping, and F. Wang, Phys. Rev. D,90: 054009 (2014)
- [25]
X. H. Liu and G. Li, Phys. Rev. D,88: 014013 (2013)
- [26]
D. Y. Chen, X. Liu, and T. Matsuki, Phys. Rev. D,88: 036008 (2013); E. S. Swanson, Phys. Rev. D,91: 034009 (2015)
- [27]
L. Maiani, F. Piccinini, A. D. Polosaet al., Phys. Rev. D,89: 114010 (2014)
- [28]
M. Nielsen and F. S. Navarra, Mod. Phys. Lett. A,29: 1430005 (2014)
- [29]
Z. G. Wang, Commun. Theor. Phys.,63: 325 (2015)
- [30]
M. S. Maior de Sousa and R. Rodrigues da Silva, Braz. J. Phys.,46: 730 (2016)
- [31]
Z. G. Wang, Eur. Phys. J. C,74: 2874 (2014); Z. G. Wang and T. Huang, Nucl. Phys. A,930: 63 (2014)
- [32]
S. S. Agaev, K. Azizi, and H. Sundu, Phys. Rev. D,96: 034026 (2017)
- [33]
Z. G. Wang, Eur. Phys. J. C,71: 1524 (2011); R. T. Kleiv, T. G. Steele, and A. Zhang, Phys. Rev. D,87: 125018 (2013)
- [34]
Z. G. Wang and J. X. Zhang, Eur. Phys. J. C,76: 650 (2016); Z. G. Wang and Z. Y. Di, Eur. Phys. J. C,79: 72 (2019)
- [35]
M. A. Shifman, A. I. Vainshtein, and V. I. Zakharov, Nucl. Phys. B,147: 385 (1979); Nucl. Phys. B,147: 448 (1979)
- [36]
L. J. Reinders, H. Rubinstein, and S. Yazaki, Phys. Rept.,127: 1 (1985)
- [37]
A. Selem and F. Wilczek, hep-ph/0602128.
- [38]
L. Maiani, A. D. Polosa, and V. Riquer, Phys. Lett. B,778: 247 (2018)
- [39]
S. J. Brodsky, D. S. Hwang, and R. F. Lebed, Phys. Rev. Lett.,113: 112001 (2014)
- [40]
W. Lucha, D. Melikhov, and H. Sazdjian, Phys. Rev. D,100: 014010 (2019)
- [41]
Z. G. Wang, Int. J. Mod. Phys. A,30: 1550168 (2015)
- [42]
P. Colangelo and A. Khodjamirian, hep-ph/0010175.
- [43]
S. Narison and R. Tarrach, Phys. Lett. B,125: 217 (1983)
- [44]
Z. G. Wang, Eur. Phys. J. C,76: 70 (2016); Z. G. Wang and T. Huang, Eur. Phys. J. C,76: 43 (2016)
- [45]
Z. G. Wang and J. X. Zhang, Eur. Phys. J. C,78: 14 (2018)
- [46]
Z. G. Wang, Eur. Phys. J. C,78: 518 (2018)