POSSIBLE SNEUTRINO-PAIR SIGNATURES WITH R-PARITY BREAKING

被引:23
作者
BARGER, V
KEUNG, WY
PHILLIPS, RJN
机构
[1] UNIV ILLINOIS,DEPT PHYS,CHICAGO,IL 60607
[2] RUTHERFORD APPLETON LAB,DIDCOT OX11 0QX,OXON,ENGLAND
关键词
D O I
10.1016/0370-2693(95)01225-1
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
If sneutrinos are the lightest supersymmetry partners and R-parity is not conserved, the process e(+)e(-) --> <v(v)over tilde> can have striking signatures due to the decay modes (v) over tilde --> l(+)l'(-) or (v) over tilde --> <q(q)over bar'>. We present cross section formulas and discuss event rates and detection at the upgraded e(+)e(-) collider LEP. Four-lepton signals should be detectable up to sneutrino mass <(m)over tilde(v)> = 80 GeV and maybe beyond; four-jet signals should be detectable up to <(m)over tilde(v)> = 70 GeV, but would probably be obscured thereafter by WW background.
引用
收藏
页码:27 / 32
页数:6
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