Double Diffractive Process Factorization from ηc and γ Associated Production at Tevatron and LHC
YAN Zhan-Yuan; LI Zhi-wen; Duan CG(段春贵); DUAN Chun-Gui
刊名理论物理通讯(英文版)
2004
期号4页码:389-393
关键词diffractive Pomeron color-octet factorization
英文摘要We present a study of associated ηc and γ double diffractive production in p-p collision based on Ingelman-Schlein model, and the framework of non-relativistic QCD factorization formalism for quarkonia production. The predic-tion of ηc and γ is more reliable than J/ψ production, because the associated ηc and γ production is a pure color-octetprocess, and the dominant contribution comes from color octet 1So(8) subprocess, which is related to the color octet matrixelement of 1So(8) of J/ψ by the heavy quark spin symmetry and the large PT J/ψ production data. We find that the ratioof diffractive to inclusive cross sections is independent of the values of color octet matrix elements, but is sensitive to thegluon factor of the Pomeron and renormalized Pomeron flux factors. So experimental measurement of this ratio can giveus more information of the nature of Pomeron and test the assumption of hard diffractive factorization in hadron-hadron collisions.
收录类别CNKI
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/216120
专题中国科学院高能物理研究所_理论物理室_期刊论文
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YAN Zhan-Yuan,LI Zhi-wen,Duan CG,et al. Double Diffractive Process Factorization from ηc and γ Associated Production at Tevatron and LHC[J]. 理论物理通讯(英文版),2004(4):389-393.
APA YAN Zhan-Yuan,LI Zhi-wen,段春贵,&DUAN Chun-Gui.(2004).Double Diffractive Process Factorization from ηc and γ Associated Production at Tevatron and LHC.理论物理通讯(英文版)(4),389-393.
MLA YAN Zhan-Yuan,et al."Double Diffractive Process Factorization from ηc and γ Associated Production at Tevatron and LHC".理论物理通讯(英文版) .4(2004):389-393.
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