Neutralino production as a SUSY discovery process at CERN LEP 2

被引:36
作者
Ambrosanio, S [1 ]
Mele, B [1 ]
机构
[1] IST NAZL FIS NUCL,SEZ ROME,I-00185 ROME,ITALY
来源
PHYSICAL REVIEW D | 1995年 / 52卷 / 07期
关键词
D O I
10.1103/PhysRevD.52.3900
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
A thorough study is performed on pair production and signatures of supersymmetric neutralinos in the MSSM at LEP 2. Particular attention is paid to the region of the SUSY parameter space where the associated production of lightest and next-to-lightest neutralinos is the only visible allowed supersymmetric process. In that region, the signal is critically dependent on the selectron masses <m((e)over bar L,R)>. For root s/2 < <m((e)over bar L,R)> less than or similar to 200-300 GeV and charginos above the threshold for pair production, neutralinos arising from e(+)e(-) --> chi(1)(-0)chi(2)(-0) could be the only SUSY signal detectable at LEP 2.
引用
收藏
页码:3900 / 3918
页数:19
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