Search for heavy neutral and charged leptons in e(+)e(-) annihilation at root s=161 and root s=172 GeV
L3 Collaboration
刊名PHYSICS LETTERS B
1997
卷号412期号:1-2页码:#REF!
学科分类Physics
DOI10.1016/S0370-2693(97)01074-5
通讯作者Acciarri, M (reprint author), IST NAZL FIS NUCL, VIA CELORIA 16, I-20133 MILAN, ITALY.
文章类型Article
英文摘要A search for unstable neutral and charged heavy leptons as well as for stable charged heavy leptons has been made at center-of-mass energies root s = 161 GeV and root s = 172 GeV with the L3 detector at LEP. No evidence for their existence was found. We exclude unstable neutral leptons of Dirac (Majorana) type for masses below 78.0 (66.7), 78.0 (66.7) and 72.2 (58.2) GeV, if the heavy neutrino couples to the electron, muon or tau family, respectively. We exclude unstable charged heavy leptons for masses below 81.0 GeV for a wide mass range of the associated neutral heavy lepton. The production of stable charged heavy leptons with a mass less than 84.2 GeV is also excluded. If the unstable charged heavy lepton decays via mixing into a massless neutrino, we exclude masses below 78.7 GeV. (C) 1997 Elsevier Science B.V.
类目[WOS]Physics, Multidisciplinary
收录类别SCI
WOS记录号WOS:A1997YG53000026
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被引频次:10[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/311005/226807
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 heavy neutral and charged leptons in e(+)e(-) annihilation at root s=161 and root s=172 GeV[J]. PHYSICS LETTERS B,1997,412(1-2):#REF!.
APA L3 Collaboration.(1997).Search for heavy neutral and charged leptons in e(+)e(-) annihilation at root s=161 and root s=172 GeV.PHYSICS LETTERS B,412(1-2),#REF!.
MLA L3 Collaboration."Search for heavy neutral and charged leptons in e(+)e(-) annihilation at root s=161 and root s=172 GeV".PHYSICS LETTERS B 412.1-2(1997):#REF!.
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