Exclusive and diffractive μ+μ- production in pp collisions at the LHC

被引：10
|
作者：
Goncalves, V. P. [1 ]
Jaime, M. M. [1 ]
Martins, D. E. [2 ]
Rangel, M. S. [2 ]
机构：
[1] Univ Fed Pelotas UFPel, Inst Fis & Matemat, Caixa Postal 354, BR-96010900 Pelotas, RS, Brazil
[2] Univ Fed Rio de Janeiro, Inst Fis, Caixa Postal 354, BR-21941972 Rio de Janeiro, RJ, Brazil
来源：
PHYSICAL REVIEW D | 2018年 / 97卷 / 07期
关键词：
PROTON-PROTON COLLISIONS; GAMMA-GAMMA; LUMINOSITY MEASUREMENT; DIJET PRODUCTION; RAPIDITY GAPS; ROOT-S=7 TEV; PHOTOPRODUCTION; SCATTERING; PHYSICS; J/PSI;
D O I：
10.1103/PhysRevD.97.074024
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this paper, we estimate the production of dimuons (mu(+)mu(-)) in exclusive photon-photon (gamma gamma) and diffractive Pomeron-Pomeron (PP), Pomeron-Reggeon (PR), and Reggeon-Reggeon (RR) interactions in pp collisions at the LHC energy. The invariant mass, rapidity, and tranverse momentum distributions are calculated using the forward physics Monte Carlo (FPMC), which allows us to obtain realistic predictions for the dimuon production with two leading intact hadrons. In particular, predictions taking into account the CMS and LHCb acceptances are presented. Moreover, the contribution of the single diffraction for the dimuon production also is estimated. Our results demonstrate that the experimental separation of these different mechanisms is feasible. In particular, the events characterized by pairs with large squared transverse momentum are dominated by diffractive interactions, which allows us to investigate the underlying assumptions present in the description of these processes.
引用
收藏
页数：10
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