• [1]

    J.J. Aubert et al (E598), Phys. Rev. Lett., 33:1404 (1974)

  • [2]

    J.E. Augustin et al (SLAC-SP-017), Phys. Rev. Lett., 33:1406 (1974)

  • [3]

    N. Brambilla, S. Eidelman, B. Heltsley, R. Vogt, G. Bodwin et al, Eur. Phys. J. C, 71:1534 (2011)

  • [4]

    C. Patrignani, P. D. Group, Chinese Physics C, 40:100001 (2016)

  • [5]

    J. Siegrist et al, Phys. Rev. Lett., 36:700 (1976)

  • [6]

    R. Brandelik et al (DASP), Phys. Lett. B, 76:361 (1978)

  • [7]

    E. Eichten, K. Gottfried, T. Kinoshita, K. D. Lane, and T. M. Yan, Phys. Rev. D, 21:203 (1980)

  • [8]

    R. Aaij et al (LHCb), Phys. Rev. Lett., 111:101805 (2013)

  • [9]

    X. L. Wang et al (Belle), Phys. Rev. Lett., 99:142002 (2007)

  • [10]

    G. Pakhlova et al (Belle), Phys. Rev. Lett., 101:172001 (2008)

  • [11]

    P. A. Rapidis et al, Phys. Rev. Lett., 39:526 (1977)

  • [12]

    W. Bacino et al, Phys. Rev. Lett., 40:671 (1978)

  • [13]

    G. S. Abrams et al, Phys. Rev. D, 21:2716 (1980)

  • [14]

    M. Ablikim et al (BES), Phys. Lett. B, 652:238 (2007)

  • [15]

    V. V. Anashin et al, Phys. Lett. B, 711:292 (2012)

  • [16]

    K. Abe et al (Belle), Phys. Rev. Lett., 98:082001 (2007)

  • [17]

    P. Pakhlov et al (Belle), Phys. Rev. Lett., 100:202001 (2008)

  • [18]

    W. Sreethawong, K. Xu, Y. Yan (2013), 1306.2780

  • [19]

    Z. H. Wang, Y. Zhang, L. Jiang, T. H. Wang, Y. Jiang, and G. L. Wang, Eur. Phys. J. C, 77(1):43 (2017)

  • [20]

    V. Bhardwaj et al (Belle), Phys. Rev. Lett., 111(3):032001 (2013)

  • [21]

    M. Ablikim et al (BESⅢ), Phys. Rev. Lett., 115(1):011803 (2015)

  • [22]

    S. K. Choi et al (Belle), Phys. Rev. Lett., 91:262001 (2003)

  • [23]

    D. Acosta et al (CDF), Phys. Rev. Lett., 93:072001 (2004)

  • [24]

    V.M. Abazov et al (D0), Phys. Rev. Lett., 93:162002 (2004)

  • [25]

    B. Aubert et al (BaBar), Phys. Rev. D, 71:071103 (2005)

  • [26]

    S.K. Choi et al, Phys. Rev. D, 84:052004 (2011)

  • [27]

    T. Aaltonen et al (CDF), Phys. Rev. Lett., 103:152001 (2009)

  • [28]

    B. Aubert et al (BaBar), Phys. Rev. D, 77:111101 (2008)

  • [29]

    A. Abulencia et al (CDF), Phys. Rev. Lett., 98:132002 (2007)

  • [30]

    M. Ablikim et al (BESⅢ), Phys. Rev. Lett., 112(9):092001 (2014)

  • [31]

    T. Barnes, S. Godfrey, Phys. Rev. D, 69:054008 (2004)

  • [32]

    S. K. Choi et al (Belle Collaboration), Phys. Rev. Lett., 94:182002 (2005)

  • [33]

    P. del Amo Sanchez et al (BaBar), Phys. Rev. D, 82:011101 (2010)

  • [34]

    J.P. Lees et al (BaBar), Phys. Rev. D, 86:072002 (2012), 1207.2651

  • [35]

    X. Liu, Z. G. Luo, and Z. F. Sun, Phys. Rev. Lett., 104:122001 (2010)

  • [36]

    Z. Y. Zhou, Z. Xiao, and H. Q. Zhou, Phys. Rev. Lett., 115(2):022001 (2015)

  • [37]

    S. Uehara et al (Belle), Phys. Rev. Lett., 96:082003 (2006)

  • [38]

    B. Aubert et al (BaBar), Phys. Rev. D, 81:092003 (2010)

  • [39]

    M. Ablikim et al (BESⅢ), Phys. Rev. Lett., 110:252001 (2013)

  • [40]

    Z. Q. Liu et al (Belle), Phys. Rev. Lett., 110:252002 (2013)

  • [41]

    T. Xiao, S. Dobbs, A. Tomaradze, and K. K. Seth, Phys. Lett. B, 727:366 (2013)

  • [42]

    M. Ablikim et al (BESⅢ), Phys. Rev. D, 92(9):092006 (2015)

  • [43]

    T. Aaltonen et al (CDF), Phys. Rev. Lett., 102:242002 (2009)

  • [44]

    S. Chatrchyan et al (CMS), Phys. Lett. B, 734:261 (2014)

  • [45]

    V.M. Abazov et al (D0), Phys. Rev. Lett., 115(23):232001 (2015)

  • [46]

    V.M. Abazov et al (D0), Phys. Rev. D, 89(1):012004 (2014)

  • [47]

    X. Liu, S. L. Zhu, Phys. Rev. D, 80:017502 (2009); Phys. Rev.D, 85:019902 (2012)

  • [48]

    T. Branz, T. Gutsche, and V. E. Lyubovitskij, Phys. Rev. D, 80:054019 (2009)

  • [49]

    R. M. Albuquerque, M. E. Bracco, M. Nielsen, Phys. Lett. B, 678:186 (2009)

  • [50]

    G. J. Ding, Eur. Phys. J. C, 64:297 (2009)

  • [51]

    F. Stancu, J. Phys. G, 37:075017 (2010)

  • [52]

    Z. G. Wang, Y. F. Tian, Int. J. Mod. Phys. A, 30:1550004 (2015)

  • [53]

    V. V. Anisovich, M. A. Matveev, A. V. Sarantsev, and A. N. Semenova, Int. J. Mod. Phys. A, 30(32):1550186 (2015)

  • [54]

    Z. G. Wang, Eur. Phys. J. C, 63:115 (2009)

  • [55]

    N. Mahajan, Phys. Lett. B, 679:228 (2009)

  • [56]

    R. Aaij et al (LHCb), Phys. Rev. D, 85:091103 (2012)

  • [57]

    J. P. Lees et al (BaBar), Phys. Rev. D, 89(11):112004 (2014)

  • [58]

    T. Aaltonen et al (CDF), Mod. Phys. Lett. A, 32(26):1750139 (2017)

  • [59]

    R. Aaij et al (LHCb), Phys. Rev. D, 95(1):012002 (2017)

  • [60]

    Q. F. L, Y. B. Dong, Phys. Rev. D, 94(7):074007 (2016)

  • [61]

    T. Bhavsar, M. Shah, and P. C. Vinodkumar, Eur. Phys. J. C, 78(3):227 (2018)

  • [62]

    P. Gonzlez, Phys. Rev. D, 92:014017 (2015)

  • [63]

    P. Guo, T. Ypez-Martnez, A. P. Szczepaniak, Phys. Rev. D, 89(11):116005 (2014)

  • [64]

    H. W. Ke, X. Q. Li, and Y. L. Shi, Phys. Rev. D, 87(5):054022 (2013)

  • [65]

    D. Ebert, R. Faustov, and V. Galkin, Mod. Phys. Lett. A, 17:803 (2002)

  • [66]

    N. Brambilla, eConf, C0610161:004 (2006), hep-ph/0702105

  • [67]

    F. De Fazio, Phys. Rev. D, 79:054015 (2009); Phys. Rev.D, 83:099901 (2011)

  • [68]

    G. C. Donald, C. Davies et al, Phys. Rev. D, 86:094501 (2012), 1208.2855

  • [69]

    L. Liu, G. Moir, Peardon et al (Hadron Spectrum), JHEP, 07:126 (2012)

  • [70]

    S. L. Zhu, Y. B. Dai, Phys. Rev. D, 59:114015 (1999)

  • [71]

    V. A. Beilin, A. V. Radyushkin, Nucl. Phys.B, 260:61 (1985)

  • [72]

    S. Godfrey, N. Isgur, Phys. Rev. D, 32:189 (1985)

  • [73]

    T. Barnes, S. Godfrey, and E. S. Swanson, Phys. Rev. D, 72:054026 (2005)

  • [74]

    B. Q. Li, C. Meng, and K. T. Chao (2012), 1201.4155

  • [75]

    B. Q. Li, K. T. Chao, Phys. Rev. D, 79:094004 (2009)

  • [76]

    L. Cao, Y. C. Yang, and H. Chen, Few Body Syst., 53:327 (2012)

  • [77]

    J. Segovia, A. M. Yasser, D. R. Entem, and F. Fernandez, Phys. Rev. D, 78:114033 (2008)

  • [78]

    E. Eichten et al, Phys. Rev. D, 17(11):3090 (1978)

  • [79]

    W. J. Deng, H. Liu, L. C. Gui, X. H. Zhong, Phys. Rev. D, 95(3):034026 (2017)

  • [80]

    S. Godfrey, K. Moats, Phys. Rev. D, 92(5):054034 (2015)

  • [81]

    Y. Koma, M. Koma, H. Wittig, Phys. Rev. Lett, 97:122003 (2006)

  • [82]

    N. Devlani, V. Kher, and A. K. Rai, Eur. Phys. J. A, 50(10):154 (2014)

  • [83]

    V. Kher, N. Devlani, and A. K. Rai, Chinese Physics C, 41(7):073101 (2017), 1704.00439

  • [84]

    V. Kher, N. Devlani, A.K. Rai, Chinese Physics C, Vol. 41,(No. 9), 093101 (2017)

  • [85]

    N. Brambilla, A. Pineda, J. Soto, and A. Vairo, Rev. Mod. Phys., 77:1423 (2005)

  • [86]

    N. Brambilla et al, Eur. Phys. J. C, 74(10):2981 (2014)

  • [87]

    S. N. Gupta, J. M. Johnson, Phys. Rev. D, 51(1):168 (1995)

  • [88]

    D. S. Hwang, C. Kim, W. Namgung, Phys. Lett. B, 406:117 (1997), hep-ph/9608392

  • [89]

    A. K. Rai, B. Patel, and P. C. Vinodkumar, Phys. Rev. C, 78(5):055202 (2008)

  • [90]

    A. K. Rai, R. H. Parmar, and P. C. Vinodkumar, J. Phys. G:Nucl. Part. Phys., 28(8):2275 (2002)

  • [91]

    E. Eichten, S. Godfrey, H. Mahlke, and J. L. Rosner, Rev. Mod. Phys., 80:1161 (2008)

  • [92]

    M. B. Voloshin, Prog. Part. Nucl. Phys., 61:455 (2008)

  • [93]

    O. Lakhina, E. S. Swanson, Phys. Rev. D, 74:014012 (2006)

  • [94]

    R. Van Royen, V. Weisskopf, Nuovo Cim. A, 50:617 (1967)

  • [95]

    E. Braaten, S. Fleming, Phys. Rev. D, 52(1):181 (1995)

  • [96]

    D. S. Hwang, G. H. Kim, Phys. Rev. D, 55(11):6944 (1997)

  • [97]

    G. J. Ding, J. J. Zhu, and M. L. Yan, Phys. Rev. D, 77:014033 (2008)

  • [98]

    Q. F. Lu, T. T. Pan, Y. Y. Wang, E. Wang, and D. M. Li, Phys. Rev. D, 94(7):074012 (2016)

  • [99]

    F. K. Guo, C. Hanhart, G. Li, U. G. Meissner, and Q. Zhao, Phys. Rev. D, 82:034025 (2010)

  • [100]

    S. F. Radford, W. W. Repko, M. J. Saelim, Phys. Rev. D, 80(3):034012 (2009)

  • [101]

    J. Segovia, P. G. Ortega, D. R. Entem, and F. Fernndez, Phys. Rev. D, 93(7):074027 (2016)

  • [102]

    W. Kwong, P. B. Mackenzie, R. Rosenfeld, and J. L. Rosner, Phys. Rev. D, 37:3210 (1988)

  • [103]

    W. Kwong, J. L. Rosner, Phys. Rev. D, 38:279 (1988)

  • [104]

    A. Bradley, A. Khare, Z. Phys. C, 8:131 (1981)

  • [105]

    G. Belanger, P. Moxhay, Phys. Lett. B, 199:575 (1987)

  • [106]

    Bhaghyesh, K.B. Vijaya Kumar, and A. P. Monteiro, J. Phys. G, 38:085001 (2011)

  • [107]

    H. Negash, S. Bhatnagar, Int. J. Mod. Phys. E, 25(08):1650059 (2016)

  • [108]

    J. H. Yang, S. K. Lee, E. J. Kim, and J. B. Choi (2015), 1506.04481

  • [109]

    D. Ebert, R. Faustov, V. Galkin, Eur. Phys. J. C, 71:1825 (2011)

  • [110]

    S. F. Radford, W. W. Repko, Phys. Rev. D, 75:074031 (2007)

  • [111]

    D. Ebert, R. N. Faustov, and V. O. Galkin, Phys. Rev. D, 67:014027 (2003)

  • [112]

    M. A. Sultan, N. Akbar, B. Masud, F. Akram, Phys. Rev. D, 90(5):054001 (2014)

  • [113]

    S. Godfrey, N. Isgur, Phys. Rev. D, 32:189 (1985)

  • [114]

    D. Ebert, R. Faustov, and V. Galkin, Eur. Phys. J. C, 66:197 (2010)

  • [115]

    A. Parmar, B. Patel, and P. Vinodkumar, Nucl. Phys. A, 848:299 (2010)

  • [116]

    N. Brambilla et al (Quarkonium Working Group) (2004), hepph/0412158

  • [117]

    E. J. Eichten, K. Lane, and C. Quigg, Phys. Rev. Lett., 89:162002 (2002), hep-ph/0206018

  • [118]

    P. P. D'Souza, M. Bhat, A. P. Monteiro, and K. B. Vijaya Kumar (2017)

  • [119]

    Bhaghyesh, K. B. Vijaya Kumar, and Y. L. Ma, Int. J. Mod. Phys. A, 27:1250011 (2012)

  • [120]

    F. Giannuzzi, Phys. Rev. D, 78:117501 (2008)

  • [121]

    J. T. Laverty, S. F. Radford, and W. W. Repko (2009), 0901.3917

  • [122]

    C. R. Munz, Nucl. Phys. A, 609:364 (1996)

  • [123]

    C. S. Kim, T. Lee, and G. L. Wang, Phys. Lett. B, 606:323 (2005)

  • [124]

    D. Ebert, R. N. Faustov, V. O. Galkin, Mod. Phys. Lett. A, 18:601 (2003)

  • [125]

    N. A. Tornqvist, Phys. Lett. B, 590:209 (2004)

  • [126]

    E. Braaten, M. Lu, Phys. Rev. D, 76:094028 (2007)

  • [127]

    M. Albaladejo, F. K. Guo, C. Hanhart, U. G. Meiner, J. Nieves, A. Nogga, and Z. Yang, Chin. Phys. C, 41(12):121001 (2017)

  • [128]

    C. Hanhart, Yu. S. Kalashnikova, A. E. Kudryavtsev, and A. V. Nefediev, Phys. Rev. D, 76:034007 (2007)

  • [129]

    L. Maiani, F. Piccinini, A. D. Polosa, and V. Riquer, Phys. Rev. D, 71:014028 (2005), hep-ph/0412098

  • [130]

    M. Nielsen, S. J. Brodsky (2018), 1802.09652

  • [131]

    C. W. Zhao, G. Li, X. H. Liu, and F. L. Shao, Eur. Phys. J. C, 73:2482 (2013)

  • [132]

    X. Liu, Z. G. Luo, and Z. F. Sun, Phys. Rev. Lett., 104:122001 (2010)

  • [133]

    F. K. Guo, C. Hanhart, G. Li, U. G. Meissner, and Q. Zhao, Phys. Rev. D, 83:034013 (2011)

  • [134]

    G. Li, Q. Zhao, Phys. Lett. B, 670:55 (2008)

  • [135]

    G. Li, Q. Zhao, Phys. Rev. D, 84:074005 (2011)

  • [136]

    S. S. Afonin, I. V. Pusenkov, EPJ Web Conf., 125:04006 (2016)