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Search for heavy neutral and charged leptons in e(+)e(-) annihilation at root s=183 and 189 GeV
L3 Collaboration
1999
发表期刊PHYSICS LETTERS B
卷号462期号:3-4页码:#REF!
通讯作者Krenz, W (reprint author), Ist Nazl Fis Nucl, Sez Milano, Via Celoria 16, I-20133 Milan, Italy.
文章类型Article
摘要A search for unstable neutral and charged heavy leptons as well as for stable charged heavy leptons is performed at center-of-mass energies root s = 183 and 189 GeV with the L3 detector at LEP. No evidence for their existence is found. We exclude neutral heavy leptons which couple to the electron, muon or tau family, of the Dirac type for masses below 92.4, 93.3 and 83.3 GeV, and of the Majorana type for masses below 81.8, 84.1 and 73.5 GeV, respectively. We exclude unstable charged heavy leptons for masses below 93.9 GeV for a wide range of the associated neutral heavy lepton mass. If the unstable charged heavy lepton decays to a light neutrino, we exclude masses below 92.4 GeV. The production of stable charged heavy leptons with moss less than 93.5 GeV is also excluded. (C) 1999 Published by Elsevier Science B.V. All rights reserved.
学科领域Physics
DOI10.1016/S0370-2693(99)00922-3
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000083131100017
引用统计
被引频次:12[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/311005/227578
专题粒子天体物理中心
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GB/T 7714
L3 Collaboration. Search for heavy neutral and charged leptons in e(+)e(-) annihilation at root s=183 and 189 GeV[J]. PHYSICS LETTERS B,1999,462(3-4):#REF!.
APA L3 Collaboration.(1999).Search for heavy neutral and charged leptons in e(+)e(-) annihilation at root s=183 and 189 GeV.PHYSICS LETTERS B,462(3-4),#REF!.
MLA L3 Collaboration."Search for heavy neutral and charged leptons in e(+)e(-) annihilation at root s=183 and 189 GeV".PHYSICS LETTERS B 462.3-4(1999):#REF!.
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