SUPERSYMMETRY AT A PROPOSED ROOT-S=4-TEV UPGRADE OF THE FERMILAB-TEVATRON

被引:36
作者
KAMON, T
LOPEZ, JL
MCINTYRE, P
WHITE, JT
机构
[1] Department of Physics, Texas A and M University, College Station
来源
PHYSICAL REVIEW D | 1994年 / 50卷 / 09期
关键词
D O I
10.1103/PhysRevD.50.5676
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We study the signals for supersymmetry at the Fermilab Tevatron and its proposed energy upgrade (called the DiTevatron here) (root s = 4 TeV) in various well-motivated supersymmetric models. We consider the trilepton signature in the decay of pair-produced charginos and neutralinos, the missing energy signature in gluino and squark production, and the b ($) over bar b signal in the decay of the lightest supersymmetric Higgs boson produced in association with a W or Z boson. In each case we perform signal and background studies, using Monte Carlo and/or real data to estimate the sensitivity to these signals at the Tevatron and DiTevatron with the main Injector, for short- and long-term integrated luminosities of L = 10 and 25 fb(-1), and 5 sigma statistical significance. We conclude that one could probe chargino masses as high as m(chi 1)+/- similar to 180 (200) GeV, gluino masses as high as m(g)(-) similar to 450 (750) GeV, and lightest Higgs boson masses as high as m(h) similar to 110 (120) GeV at the Tevatron (DiTevatron). A high-luminosity option at the Tevatron (10(33) cm(-2)s(-1)) may compensate somewhat for the higher reach of the DiTevatron, but only in the trilepton and Higgs signals. However, these gains may be severely compromised once the multiple-interaction environment of the high-luminosity Tevatron is accounted for.
引用
收藏
页码:5676 / 5691
页数:16
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