Search for excited leptons in e(+)e(-) annihilation at root s=161 GeV
L3 Collaboration
刊名PHYSICS LETTERS B
1997
卷号401期号:1-2页码:#REF!
学科分类Physics
DOI10.1016/S0370-2693(97)00404-8
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A search for excited leptons e*, mu*, tau* and nu(e)* in e(+)e(-)collisions at root s = 161 GeV is performed using the 10.8 pb(-1) of data collected by the L3 detector at LEP. No evidence has been found for their existence. From an analysis of the expected l*l* pair production in the channels ee gamma gamma, mu mu gamma, tau tau gamma gamma, eeWW, and nu nu gamma gamma, the lower mass limits at 95% C.L. are 79.7 GeV for e*, 79.9 GeV for mu*, 79.3 GeV for tau* and 71.2 GeV for nu(e)* assuming the same couplings as for standard leptons. From an analysis of the expected ll* single production in channels ee gamma, mu mu gamma, tau tau gamma, nu(e)eW and nu nu gamma, the upper limits on the couplings lambda/m(l*) up to m(l*) = 161 GeV are determined. (C) 1997 Published by Elsevier Science B.V.
类目[WOS]Physics, Multidisciplinary
收录类别SCI
WOS记录号WOS:A1997XB40200018
引用统计
被引频次:19[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/311005/226445
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=161 GeV[J]. PHYSICS LETTERS B,1997,401(1-2):#REF!.
APA L3 Collaboration.(1997).Search for excited leptons in e(+)e(-) annihilation at root s=161 GeV.PHYSICS LETTERS B,401(1-2),#REF!.
MLA L3 Collaboration."Search for excited leptons in e(+)e(-) annihilation at root s=161 GeV".PHYSICS LETTERS B 401.1-2(1997):#REF!.
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