Diffractive quarkonium production in association with a photon at the LHC

被引:5
|
作者
Ducati, M. B. Gay [2 ]
Machado, M. M. [2 ]
Machado, M. V. T. [1 ]
机构
[1] Univ Fed Pampa, Ctr Ciencias Exatas & Tecnol, BR-96400970 Bage, RS, Brazil
[2] High Energy Phys Phenomenol Grp, GFPAE, BR-91501970 Porto Alegre, RS, Brazil
关键词
DEEP-INELASTIC SCATTERING; SOFT DIFFRACTION; RAPIDITY GAPS; TEVATRON; POMERON;
D O I
10.1016/j.physletb.2009.12.025
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The rates for diffractive quarkonium plus prompt-photon associated production at the LHC are estimated. The theoretical framework considered in the J/Psi (or gamma) production associated with a direct photon at the hadron collider is the non-relativistic QCD (NRQCD) factorization formalism. The corresponding single diffractive cross section is computed based on the hard diffractive scattering factorization supplemented by absorptive corrections. Such processes are sensitive to the gluon content of the Pomeron at small Bjorken-x and they may also be a good place to test the different available mechanisms for quarkonium production at hadron colliders. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:150 / 153
页数:4
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