X.L. Wang et al., Phys. Rev. Lett. 99, 142002 (2007)
G. Pakhlova et al., Phys. Rev. Lett. 101, 172001 (2008)
X.L. Wang et al., Phys. Rev. D 91, 112007 (2015)
T. Barnes, S. Godfrey, E.S. Swanson, Phys. Rev. D 72, 054026 (2005)
W.J. Deng, H. Liu, L.C. Gui, X.H. Zhong, Phys. Rev. D 95, 034026 (2017)
B.Q. Li, K.T. Chao, Phys. Rev. D 79, 094004 (2009)
F.E. Close, N.A. Tornqvist, J. Phys. G 28, R249 (2002)
C. Amsler, N.A. Tornqvist, Phys. Rept. 389, 61 (2004)
L. Maiani, F. Piccinini, A.D. Polosa, V. Riquer, Phys. Rev. Lett. 93, 212002 (2004)
Z.G. Wang, Eur. Phys. J. C 76, 427 (2016)
M. Tanabashi et al., Phys. Rev. D 98, 030001 (2018)
F.K. Guo, C. Hanhart, U.G. Meissner, Phys. Lett. B 665, 26 (2008)
F.K. Guo, J. Haidenbauer, C. Hanhart, U.G. Meissner, Phys. Rev. D 82, 094008 (2010)
Z.G. Wang, X.H. Zhang, Commun. Theor. Phys. 54, 323 (2010)
R.M. Albuquerque, M. Nielsen, R. Rodrigues da Silva, Phys. Rev. D 84, 116004 (2011)
S. Dubynskiy, M.B. Voloshin, Phys. Lett. B 666, 344 (2008)
D. Ebert, R.N. Faustov, V.O. Galkin, Eur. Phys. J. C 58, 399 (2008)
G. Cotugno, R. Faccini, A.D. Polosa, C. Sabelli, Phys. Rev. Lett. 104, 132005 (2010)
L.Y. Xiao, X.Z. Weng, Q.F. Lu, X.H. Zhong, S.L. Zhu, Eur. Phys. J. C 78, 605 (2018)
R.M. Albuquerque, M. Nielsen, Nucl. Phys. A 815, 532009 (2009) [Erratum-ibid. A 857, 48 (2011)]
H. Sundu, S.S. Agaev, K. Azizi, Phys. Rev. D 98, 054021 (2018)
W. Chen, S.L. Zhu, Phys. Rev. D 83, 034010 (2011)
Z.G. Wang, Eur. Phys. J. C 74, 2874 (2014)
Z.G. Wang, Eur. Phys. J. C 78, 518 (2018)
Z.G. Wang, Eur. Phys. J. C 76, 387 (2016)
J.R. Zhang, M.Q. Huang, Phys. Rev. D 83, 036005 (2011)
Z.G. Wang, T. Huang, Nucl. Phys. A 930, 63 (2014)
Z.G. Wang, Commun. Theor. Phys. 63, 325 (2015)
Z.G. Wang, T. Huang, Eur. Phys. J. C 74, 2891 (2014)
Z.G. Wang, Eur. Phys. J. C 74, 2963 (2014)
Z.G. Wang, Eur. Phys. J. C 76, 70 (2016)
Z.G. Wang, T. Huang, Eur. Phys. J. C 76, 43 (2016)
Z.G. Wang, Nucl. Phys. B 913, 163 (2016)
Z.G. Wang, Eur. Phys. J. C 78, 933 (2018)
Z.G. Wang, Eur. Phys. J. C 79, 29 (2019)
Z.G. Wang, J.X. Zhang, Eur. Phys. J. C 78, 14 (2018)
Z.G. Wang, Z.Y. Di, Eur. Phys. J. C 79, 72 (2019)
Z.G. Wang.
arXiv:1812.04503
M.A. Shifman, A.I. Vainshtein, V.I. Zakharov, Nucl. Phys. B 147, 385 (1979)
M.A. Shifman, A.I. Vainshtein, V.I. Zakharov, Nucl. Phys. B 147, 448 (1979)
L.J. Reinders, H. Rubinstein, S. Yazaki, Phys. Rept. 127, 1 (1985)
D. Becirevic, G. Duplancic, B. Klajn, B. Melic, F. Sanfilippo, Nucl. Phys. B 883, 306 (2014)
Z.G. Wang, Eur. Phys. J. C 77, 174 (2017)
Z.G. Wang, W.M. Yang, S.L. Wan, Eur. Phys. J. C 37, 223 (2004)
Z.G. Wang, W.M. Yang, S.L. Wan, Nucl. Phys. A 744, 156 (2004)
Z.G. Wang, Eur. Phys. J. C 75, 427 (2015)
V.A. Novikov, L.B. Okun, M.A. Shifman, A.I. Vainshtein, M.B. Voloshin, V.I. Zakharov, Phys. Rept. 41, 1 (1978)
Z.G. Wang, W.M. Yang, S.L. Wan, Phys. Lett. B 615, 79 (2005)
P. Colangelo, A. Khodjamirian.
arXiv:hep-ph/0010175
S. Narison, R. Tarrach, Phys. Lett. 125B, 217 (1983)
Z.G. Wang, T. Huang, Phys. Rev. D 89, 054019 (2014)
