Leading-twist contribution to χc0,2 → ωω decays

被引：0
|
作者：
A. V. Luchinsky
机构：
[1] Institute for High Energy Physics,
来源：
Physics of Atomic Nuclei | 2007年 / 70卷
关键词：
11.15.Tk; 12.38.Lg; 13.25.Gv; 14.40.Cs;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The leading twist contribution to χc0,2 → ωω decays in the color-singlet approximation is considered. It is shown that the prediction for Br(χc0 → ωω) is in good agreement with the experimental data, while Br(χc2 → ωω) differs from the experiment significantly.
引用
收藏
页码：53 / 55
页数：2
相关论文
共 50 条
  • [41] χc0,2 decay into light meson pairs and its implication of the scalar meson structures
    Zhao, Qiang
    PHYSICS LETTERS B, 2008, 659 (1-2) : 221 - 227
  • [42] Leading-twist nuclear shadowing and suppression of hard coherent diffraction in proton-nucleus scattering
    Guzey, V.
    Strikman, M.
    PHYSICAL REVIEW C, 2007, 75 (04):
  • [43] Improved light-cone harmonic oscillator model for the pionic leading-twist distribution amplitude
    Zhong, Tao
    Zhu, Zhi-Hao
    Fu, Hai-Bing
    Wu, Xing-Gang
    Huang, Tao
    PHYSICAL REVIEW D, 2021, 104 (01)
  • [44] Lattice QCD determination of the normalization of the leading-twist photon distribution amplitude and susceptibility of the quark condensate
    Bacchio, S.
    Becirevic, D.
    Gagliardi, G.
    Sanfilippo, F.
    PHYSICAL REVIEW D, 2024, 110 (03)
  • [45] All-order Feynman rules for leading-twist gauge-invariant operators in QCD
    Somogyi, G.
    Van Thurenhout, S.
    EUROPEAN PHYSICAL JOURNAL C, 2024, 84 (07):
  • [46] Spatial imaging of proton via leading-twist nonskewed GPDs with basis light-front quantization
    Kaur, Satvir
    Xu, Siqi
    Mondal, Chandan
    Zhao, Xingbo
    Vary, James P.
    PHYSICAL REVIEW D, 2024, 109 (01)
  • [47] Corrections for two photon decays of χc0 and χc2 and color octet contributions
    Ma, JP
    Wang, Q
    PHYSICS LETTERS B, 2002, 537 (3-4) : 233 - 240
  • [48] Light-ray evolution equations and leading-twist parton helicity-dependent nonforward distributions
    Balitsky, II
    Radyushkin, AV
    PHYSICS LETTERS B, 1997, 413 (1-2) : 114 - 121
  • [49] Novel analysis of the decays ψ′ → hcπ0 and η′c → χc0π0
    Guo, Feng-Kun
    Hanhart, Christoph
    Li, Gang
    Meissner, Ulf-G.
    Zhao, Qiang
    PHYSICAL REVIEW D, 2010, 82 (03):
  • [50] Leading-twist single-transverse-spin asymmetries: Drell-Yan and deep-inelastic scattering
    Collins, JC
    PHYSICS LETTERS B, 2002, 536 (1-2) : 43 - 48
12345