Properties of the coupling constants of J/ψ→VP decays

  • Based on the branching fractions of J/ψ→VP from different experiments, we investigate the properties of the coupling constants of J/ψ→VP decays using a model-dependent approach. We find that the octet coupling constant, g8, of strong interaction is about twice larger than that of the singlet coupling constant g1; the electromag- netic breaking parameters gEi are larger than the mass breaking parameters gMi, moreover, the three parameters of the electromagnetic effect are about equal, but the three parameters of the mass effect are obviously different and their uncertainties are also large; and the phase angle between strong and electromagnetic interactions is in the range of 70°-80°. It deepens our understanding of the coupling constant of J/ψ→VP decays.
      PCAS:
  • 加载中
  • [1] Beringer J et al. (Particle Data Group). Phys. Rev. D, 2012, 86: 010001[2] Haber H E, Perrier J. Phys. Rev. D, 1985, 32: 2961-2970[3] Thomas C E. JHEP, 2007, 10: 026[4] ZHAO Qiang, LI Gang, CHANG Chao-Hsi. Phys. Lett. B, 2007, 645: 173-179[5] Bass S D. Acta. Phys. Polon. Supp., 2009, 2: 11-22[6] Escribano R. Acta. Phys. Polon. Supp., 2009, 2: 71-78[7] Escribano R. Eur. Phys. J. C, 2010, 65: 467-473[8] QIAN Wen, MA Bo-Qiang. Eur. Phys. J. C, 2010, 65: 457-465[9] KE Hong-Wei, YUAN Xu-Hao, LI Xue-Qian. Int. J. Mod. Phys. A, 2011, 26: 4731-4738[10] Donoto C D, Ricciardi G, Bigi I I. Phys. Rev. D, 2012, 85: 013016[11] Coffman D et al. (MARK-Ⅲ collaboration). Phys. Rev. D, 1988, 38: 2695-2705[12] Jousset J, Ajaltouni Z, Falvard A et al. Phys. Rev. D, 1990, 41: 1389-1400[13] BAI J Z et al. (BES collaboration). Phys. Rev. D, 2004, 70: 012005[14] Ablikim M et al. (BES collaboration). Phys. Rev. D, 2006, 73: 052007[15] WEI Dai-Hui, YANG Yong-Xu. Chin. Phys. C (HEP NP), 2010, 34(12): 1785-1790[16] Feldmann T. Int. J. Mod. Phys. A, 2000, 15: 159-207
  • 加载中

Get Citation
HUANG Jin-Shu, SUN Jun-Feng, LU Gong-Ru and LI Hai-Bo. Properties of the coupling constants of J/ψ→VP decays[J]. Chinese Physics C, 2013, 37(7): 073103. doi: 10.1088/1674-1137/37/7/073103
HUANG Jin-Shu, SUN Jun-Feng, LU Gong-Ru and LI Hai-Bo. Properties of the coupling constants of J/ψ→VP decays[J]. Chinese Physics C, 2013, 37(7): 073103.  doi: 10.1088/1674-1137/37/7/073103 shu
Milestone
Received: 2012-09-10
Revised: 2012-10-08
Article Metric

Article Views(1303)
PDF Downloads(221)
Cited by(0)
Policy on re-use
To reuse of subscription content published by CPC, the users need to request permission from CPC, unless the content was published under an Open Access license which automatically permits that type of reuse.
通讯作者: 陈斌, bchen63@163.com
  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

  1. 本站搜索
  2. 百度学术搜索
  3. 万方数据库搜索
  4. CNKI搜索

Email This Article

Title:
Email:

Properties of the coupling constants of J/ψ→VP decays

    Corresponding author: HUANG Jin-Shu,

Abstract: Based on the branching fractions of J/ψ→VP from different experiments, we investigate the properties of the coupling constants of J/ψ→VP decays using a model-dependent approach. We find that the octet coupling constant, g8, of strong interaction is about twice larger than that of the singlet coupling constant g1; the electromag- netic breaking parameters gEi are larger than the mass breaking parameters gMi, moreover, the three parameters of the electromagnetic effect are about equal, but the three parameters of the mass effect are obviously different and their uncertainties are also large; and the phase angle between strong and electromagnetic interactions is in the range of 70°-80°. It deepens our understanding of the coupling constant of J/ψ→VP decays.

    HTML

Reference (1)

目录

/

DownLoad:  Full-Size Img  PowerPoint
Return
Return