Pair production of neutralinos via gluon-gluon collisions

被引：5
|
作者：
Yi, J [1 ]
Wen-Gan, M
Liang, H
Zeng-Hui, Y
Pietschmann, H
机构：
[1] Univ Sci & Technol China, Dept Modern Phys, Hefei 230027, Anhui, Peoples R China
[2] CCAST, World Lab, Beijing 100080, Peoples R China
[3] Univ Vienna, Inst Theoret Phys, A-1090 Vienna, Austria
来源：
PHYSICAL REVIEW D | 2000年 / 62卷 / 03期
关键词：
D O I：
10.1103/PhysRevD.62.035006
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The production of a neutralino pair via gluon-gluon fusion is studied in the minimal supersymmetric model (MSSM) at proton-proton colliders. The numerical analysis of their production rates is carried out in the MSUGRA scenario. The results show that this cross section may reach about 80 fb fur <(chi)over tilde>(0)(1)<(chi)over tilde>(0)(2) pair production and 23 fb for <(chi)over tilde>(0)(2)<(chi)over tilde>(0)(2) pair production with suitable input parameters at the future CERN LHC collider. It shows that this loop-mediated process can be competitive with the quark-antiquark annihilation process at the LHC.
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页码：1 / 6
页数：6
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