Double diffractive process factorization from eta(c) and gamma associated production at tevatron and LHC
Yan, ZY; Li, ZW; Duan CG(段春贵); Duan, CG
刊名COMMUNICATIONS IN THEORETICAL PHYSICS
2004
卷号42期号:3页码:389-393
关键词diffractive Pomeron color-octet factorization
学科分类Physics
通讯作者N China Elect Power Univ, Dept Appl Phys, Baoding 071003, Peoples R China ; Chengde Teachers Coll Nationalities, Chengde 067000, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China ; Hebei Teachers Univ, Dept Phys, Shijiazhuang 050016, Peoples R China ; CCAST, World Lab, Beijing 100080, Peoples R China
文章类型Article
英文摘要We present a study of associated eta(c) and gamma double diffractive production in p (p) over bar collision based on Ingelman-Schlein model, and the framework of non-relativistic QCD factorization formalism for quarkonia production. The prediction of eta(c) and gamma is more reliable than J/psi production, because the associated eta(c) and gamma production is a pure color-octet process, and the dominant contribution comes from color octet S-1(0)(8) subprocess, which is related to the color octet matrix element of S-1(0)(8) of J/psi by the heavy quark spin symmetry and the large P-T J/psi production data. We find that the ratio of diffractive to inclusive cross sections is independent of the values of color octet matrix elements, but is sensitive to the gluon factor of the Pomeron and renormalized Pomeron flux factors. So experimental measurement of this ratio can give us more information of the nature of Pomeron and test the assumption of hard diffractive factorization in hadron-hadron collisions.
类目[WOS]Physics, Multidisciplinary
研究领域[WOS]Physics
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语种英语
WOS记录号WOS:000224048700015
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237282
专题中国科学院高能物理研究所_理论物理室_期刊论文
作者单位中国科学院高能物理研究所
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Yan, ZY,Li, ZW,Duan CG,et al. Double diffractive process factorization from eta(c) and gamma associated production at tevatron and LHC[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2004,42(3):389-393.
APA Yan, ZY,Li, ZW,段春贵,&Duan, CG.(2004).Double diffractive process factorization from eta(c) and gamma associated production at tevatron and LHC.COMMUNICATIONS IN THEORETICAL PHYSICS,42(3),389-393.
MLA Yan, ZY,et al."Double diffractive process factorization from eta(c) and gamma associated production at tevatron and LHC".COMMUNICATIONS IN THEORETICAL PHYSICS 42.3(2004):389-393.
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