Pair production of J/Ψ mesons in the kt-factorization approach

被引：32

作者：

Baranov, S. P. ^{[1
]}

机构：

[1] PN Lebedev Phys Inst, Moscow 119991, Russia

来源：

PHYSICAL REVIEW D | 2011年 / 84卷 / 05期

关键词：

PSI-PSI-PRODUCTION; HADRONIC PRODUCTION; UPSILON;

D O I：

10.1103/PhysRevD.84.054012

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In the framework of k(t)-factorization approach, we consider the production of J/Psi pairs at the LHC conditions. We give predictions on the differential cross sections and discuss the source and the size of theoretical uncertainties. We also present a comparison with collinear parton model showing a dramatic difference in the J/Psi transverse momentum spectrum and J/Psi - J/Psi azimuthal correlations. Finally, we give predictions on the polarization observables in the helicity and Collins-Soper systems.

引用

页数：5

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