- 
								[1]
								B. Aubert et al. (BaBar), Phys. Rev. Lett. 95, 142001 (2005) 
- 
								[2]
								Q. He et al. (CLEO), Phys. Rev. D 74, 091104 (2006) 
- 
								[3]
								C. Z. Yuan et al. (Belle), Phys. Rev. Lett. 99, 182004 (2007) 
- 
								[4]
								T. E. Coan et al. (CLEO), Phys. Rev. Lett. 96, 162003 (2006) 
- 
								[5]
								J. P. Lees et al. (BaBar), Phys. Rev. D 86, 051102 (2012) 
- 
								[6]
								M. Ablikim et al. (BESⅢ), Phys. Rev. Lett. 118, 092001 (2017) 
- 
								[7]
								M. Ablikim et al. (BESⅢ), Phys. Rev. Lett. 122, 102002 (2019) 
- 
								[8]
								G. Pakhlova et al. (Belle), Phys. Rev. D 77, 011103 (2008) 
- 
								[9]
								K. Abe et al. (Belle), Phys. Rev. Lett. 98, 092001 (2007) 
- 
								[10]
								S.-L. Zhu, Int. J. Mod. Phys. E 17, 283 (2008) 
- 
								[11]
								E. Klempt and A. Zaitsev, Phys. Rept. 454, 1 (2007) 
- 
								[12]
								M. Nielsen, F. S. Navarra, and S. H. Lee, Phys. Rept. 497, 41 (2010) 
- 
								[13]
								L. Maiani, V. Riquer, F. Piccinini et al., Phys. Rev. D 72, 031502 (2005) 
- 
								[14]
								S.-L. Zhu, Phys. Lett. B 625, 212 (2005) 
- 
								[15]
								R. M. Albuquerque and M. Nielsen, Nucl. Phys. A 815, 53 (2009) 
- 
								[16]
								D. Ebert, R. N. Faustov, and V. O. Galkin, Eur. Phys. J. C 58, 399 (2008) 
- 
								[17]
								L. Maiani, F. Piccinini, A. D. Polosa et al., Phys. Rev. D 89, 114010 (2014) 
- 
								[18]
								X. Li and M. B. Voloshin, Mod. Phys. Lett. A 29, 1450060 (2014) 
- 
								[19]
								S. Dubynskiy and M. B. Voloshin, Phys. Lett. B 666, 344 (2008) 
- 
								[20]
								G.-J. Ding, Phys. Rev. D 79, 014001 (2009) 
- 
								[21]
								Q. Wang, C. Hanhart, and Q. Zhao, Phys. Rev. Lett 111, 132003 (2013) 
- 
								[22]
								M. Cleven, Q. Wang, F.-K. Guo et al., Phys. Rev. D 90, 074039 (2014) 
- 
								[23]
								C. Z. Yuan, P. Wang, and X. H. Mo, Phys. Lett. B 634, 399 (2006) 
- 
								[24]
								X. Liu, X.-Q. Zeng, and X.-Q. Li, Phys. Rev. D 72, 054023 (2005) 
- 
								[25]
								A. Martinez Torres, K. P. Khemchandani, D. Gamermann et al., Phys. Rev. D 80, 094012 (2009) 
- 
								[26]
								F.-K. Guo, C. Hanhart, and U.-G. Meissner, Phys. Lett. B 665, 26 (2008) 
- 
								[27]
								F. E. Close and P. R. Page, Phys. Lett. B 628, 215 (2005) 
- 
								[28]
								E. Kou and O. Pene, Phys. Lett. B 631, 164 (2005) 
- 
								[29]
								C.-F. Qiao, Phys. Lett. B 639, 263 (2006) 
- 
								[30]
								E. van Beveren and G. Rupp, (2006), arXiv: hepph/0605317 
- 
								[31]
								E. van Beveren and G. Rupp, Phys. Rev. D 79, 111501 (2009) 
- 
								[32]
								L. Maiani, V. Riquer, R. Faccini et al., Phys. Rev. D 87, 111102 (2013) 
- 
								[33]
								X.-G. Wu, C. Hanhart, Q. Wang et al., Phys. Rev. D 89, 054038 (2014) 
- 
								[34]
								M. Ablikim et al. (BESⅢ), Phys. Rev. D 92, 012008 (2015) 
- 
								[35]
								N. Brambilla, S. Eidelman, C. Hanhart et al., Phys. Rept. 873, 1 (2020) 
- 
								[36]
								J. Beringer et al. (Particle Data Group), Phys. Rev. D 86, 010001 (2012) 
- 
								[37]
								P. Guo, A. P. Szczepaniak, G. Galata et al., Phys. Rev. D 78, 056003 (2008) 
- 
								[38]
								M. Berwein, N. Brambilla, J. Tarrús Castellà et al., Phys. Rev. D 92, 114019 (2015) 
- 
								[39]
								Y. Ma, W. Sun, Y. Chen et al., Chin. Phys. C 45, 093111 (2021) 
- 
								[40]
								L. Maiani, F. Piccinini, A. D. Polosa et al., Phys. Rev. Lett. 93, 212002 (2004) 
- 
								[41]
								S. Dubnička, A. Z. Dubničková, A. Issadykov et al., Phys. Rev. D 101, 094030 (2020) 
- 
								[42]
								R. M. Albuquerque, M. Nielsen, and R. Rodrigues da Silva, Phys. Rev. D 84, 116004 (2011) 
- 
								[43]
								K. Azizi, A. R. Olamaei, and S. Rostami, Eur. Phys. J. A 54, 162 (2018) 
- 
								[44]
								S. S. Agaev, K. Azizi, and H. Sundu, Phys. Rev. D 96, 034026 (2017) 
- 
								[45]
								P. A. Zyla et al. (Particle Data Group), PTEP 2020, 083C01 (2020) 
- 
								[46]
								M. A. Shifman, A. I. Vainshtein, and V. I. Zakharov, Nucl. Phys. B 147, 448 (1979) 
- 
								[47]
								P.-Z. Huang, H.-X. Chen, and S.-L. Zhu, Phys. Rev. D 83, 014021 (2011) 
- 
								[48]
								S. S. Agaev, K. Azizi, and H. Sundu, Phys. Rev. D 93, 074024 (2016) 
- 
								[49]
								T. M. Aliev, T. Barakat, and M. Savcı, Phys. Rev. D 93, 056007 (2016) 
- 
								[50]
								D. Bečirević, G. Duplančić, B. Klajn et al., Nucl. Phys. B 883, 306 (2014) 
- 
								[51]
								V. M. Belyaev, V. M. Braun, A. Khodjamirian et al., Phys. Rev. D 51, 6177 (1995) 
- 
								[52]
								B. L. Ioffe and A. V. Smilga, Nucl. Phys. B 232, 109 (1984) 
- 
								[53]
								S. S. Agaev, K. Azizi, and H. Sundu, Eur. Phys. J. C 77, 321 (2017) 
- 
								[54]
								S. S. Agaev, K. Azizi, and H. Sundu, Phys. Rev. D 93, 074002 (2016) 
- 
								[55]
								J. M. Dias, F. S. Navarra, M. Nielsen et al., Phys. Rev. D 88, 016004 (2013) 
- 
								[56]
								P. Colangelo, F. De Fazio, and W. Wang, Phys. Rev. D 81, 074001 (2010) 
- 
								[57]
								S. Narison, QCD as a Theory of Hadrons : From Partons to Confinement, Vol. 17 (Oxford University Press, 2005) arXiv: hep-ph/0205006 
- 
								[58]
								S. Narison, QCD spectral sum rules, Vol. 26 (1989). 
- 
								[59]
								M. A. Olpak, A. Ozpineci, and V. Tanriverdi, Phys. Rev. D 96, 014026 (2017) 
- 
								[60]
								Z.-G. Wang and Q. Xin, Nucl. Phys. B 978, 115761 (2022) 
- 
								[61]
								R. F. Lebed and A. D. Polosa, Phys. Rev. D 93, 094024 (2016) 
- 
								[62]
								Z.-G. Wang, Eur. Phys. J. C 77, 78 (2017) 
- 
								[63]
								Z.-G. Wang, Adv. High Energy Phys. 2021, 4426163 (2021) 
- 
								[64]
								Z.-G. Wang and Z.-Y. Di, Eur. Phys. J. C 79, 72 (2019) 
- 
								[65]
								M. Nielsen and F. S. Navarra, Mod. Phys. Lett. A 29, 1430005 (2014) 
- 
								[66]
								Z.-G. Wang, Commun. Theor. Phys. 63, 325 (2015) 
- 
								[67]
								H.-X. Chen and W. Chen, Phys. Rev. D 99, 074022 (2019) 
- 
								[68]
								Z.-G. Wang, Chin. Phys. C 44, 063105 (2020)