Search for excited leptons in e(+)e(-) annihilation at root S=130-140 GeV
L3 Collaboration
刊名PHYSICS LETTERS B
1996
卷号370期号:1-2页码:#REF!
学科分类Physics
DOI10.1016/0370-2693(96)00045-7
通讯作者Acciarri, M (reprint author), RHEIN WESTFAL TH AACHEN, INST PHYS 1, D-52056 AACHEN, GERMANY.
文章类型Article
英文摘要We report on a search for the excited leptons e*, mu*, tau* and nu* in e(+)e(-) collisions at root s = 130-140 GeV using the L3 detector at LEP. No evidence has been found for their existence. From an analysis of the expected pair produced l*l* in the channels ee gamma gamma, mu mu gamma gamma, tau tau gamma gamma, eeWW, and nu nu gamma gamma, We determine the lower mass limits at 95% C.L. of 64.7 GeV for e*, 64.9 GeV for mu*, 64.2 GeV for tau*, 57.3 GeV (eW decay mode) and 61.4 GeV (nu gamma decay mode) for nu*. From an analysis of the expected singly produced ll* in the channels ee gamma, mu mu gamma, tau tau gamma, nu eW and nu nu gamma, we determine upper limits on the couplings lambda/m(l*) up to m(l*) = 130 GeV.
类目[WOS]Physics, Multidisciplinary
收录类别SCI
WOS记录号WOS:A1996UA24100031
引用统计
被引频次:20[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/226972
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
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L3 Collaboration. Search for excited leptons in e(+)e(-) annihilation at root S=130-140 GeV[J]. PHYSICS LETTERS B,1996,370(1-2):#REF!.
APA L3 Collaboration.(1996).Search for excited leptons in e(+)e(-) annihilation at root S=130-140 GeV.PHYSICS LETTERS B,370(1-2),#REF!.
MLA L3 Collaboration."Search for excited leptons in e(+)e(-) annihilation at root S=130-140 GeV".PHYSICS LETTERS B 370.1-2(1996):#REF!.
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