Interpretation of Zb(10610) and Zb(10650) in the ISPE mechanism and the Charmonium Counterpart

  • The initial single pion emission (ISPE) mechanism is applied to the processes Υ(5S)→πB(*)B(*), whose details have been recently reported at ICHEP2012, and we obtain reasonable agreement with Bell's measurements; that is, we succeed in reproducing the enhancement structures of Zb(10610) and Zb(10650). Inspired by this success, we also predict the corresponding enhancement structures in open charm one-pion decays of higher charmonia near the thresholds of D*D and D*D*.
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  • [1] Bondar A et al. (Belle collaboration). Phys. Rev. Lett., 2012, 108: 122001[2] Adachi I et al. (Belle collaboration). arXiv:1105.4583[hep-ex][3] LIU Y R, LIU X, DENG W Z et al. Eur. Phys. J. C, 2008, 56: 63[4] LIU X, LUO Z G, LIU Y R et al. Eur. Phys. J. C, 2009, 61: 411[5] Bondar A, Garmash A, Milstein A I et al. Phys. Rev. D, 2011, 84: 054010[6] YANG Y, PING J, DENG C et al. J. Phys. G, 2012, 39:105001[7] SUN Z F, HE J, LIU X, LUO Z G et al. Phys. Rev. D, 2011, 84: 054002[8] Mehen T, Powell J W. Phys. Rev. D, 2011, 84: 114013[9] ZHANG J R, ZHONG M, HUANG M Q. Phys. Lett. B, 2011, 704: 312[10] KE H W, LI X Q, SHI Y L, WANG G L et al. JHEP, 2012, 1204: 056[11] Voloshin M B. Phys. Rev. D, 2011, 84: 031502[12] LI X, Voloshin M B. Phys. Rev. D, 2012, 86: 077502[13] Cleven M, GUO F K, Hanhart C et al. Eur. Phys. J. A, 2011, 47: 120[14] DONG Y, Faessler A, Gutsche T et al. J. Phys. G, 2013, 40: 015002[15] GUO T, CAO T, ZHOU M Z, CHEN H. arXiv:1106.2284[hep-ph][16] CUI C Y, LIU Y L, HUANG M Q. Phys. Rev. D, 2012, 85: 074014[17] Ali A, Hambrock C, WANG W. Phys. Rev. D, 2012, 85: 054011[18] Bugg D V. Europhys. Lett., 2011, 96: 11002[19] CHEN D Y, LIU X, ZHU S L. Phys. Rev. D, 2011, 84: 074016[20] CHEN K F et al. (Belle collaboration). Phys. Rev. Lett., 2008, 100: 112001[21] CHEN D Y, LIU X. Phys. Rev. D, 2011, 84: 094003[22] Bondar A (Belle collaboration). Talk Given in 36th International Conference on High Energy Physics (ICHEP2012)[23] CHEN D Y, LIU X. Phys. Rev. D, 2011, 84: 034032[24] Coffman D et al. (MARK-Ⅲ collaboration). Phys. Rev. D, 1988, 38: 2695; 1989, 40: 3788[25] Jousset J et al. (DM2 collaboration). Phys. Rev. D, 1990, 41: 1389
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CHEN Dian-Yong, LIU Xiang and Takayuki Matsuki. Interpretation of Zb(10610) and Zb(10650) in the ISPE mechanism and the Charmonium Counterpart[J]. Chinese Physics C, 2014, 38(5): 053102. doi: 10.1088/1674-1137/38/5/053102
CHEN Dian-Yong, LIU Xiang and Takayuki Matsuki. Interpretation of Zb(10610) and Zb(10650) in the ISPE mechanism and the Charmonium Counterpart[J]. Chinese Physics C, 2014, 38(5): 053102.  doi: 10.1088/1674-1137/38/5/053102 shu
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Received: 2013-05-08
Revised: 2013-12-05
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Interpretation of Zb(10610) and Zb(10650) in the ISPE mechanism and the Charmonium Counterpart

    Corresponding author: CHEN Dian-Yong,
    Corresponding author: LIU Xiang,
    Corresponding author: Takayuki Matsuki,
  • 1. Nuclear Theory Group, Institute of Modern Physics of Chinese Academy of Sciences, Lanzhou 730000, China
  • 2. Research Center for Hadron and CSR Physics, Lanzhou University and Institute of Modern Physics ofChinese Academy of Sciences, Lanzhou 730000, China
  • 3. School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China
  • 4.  Tokyo Kasei University, 1-18-1 Kaga, Itabashi, Tokyo 173-8602, Japan

Abstract: The initial single pion emission (ISPE) mechanism is applied to the processes Υ(5S)→πB(*)B(*), whose details have been recently reported at ICHEP2012, and we obtain reasonable agreement with Bell's measurements; that is, we succeed in reproducing the enhancement structures of Zb(10610) and Zb(10650). Inspired by this success, we also predict the corresponding enhancement structures in open charm one-pion decays of higher charmonia near the thresholds of D*D and D*D*.

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