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A PRECISE MEASUREMENT OF THE TAU-LEPTON LIFETIME
ALEPH Collaboration
1992
发表期刊PHYSICS LETTERS B
卷号297期号:3-4页码:#REF!
通讯作者BUSKULIC, D (reprint author), LAB PHYS PARTICULES, CNRS, IN2P3, F-74019 ANNECY LE VIEUX, FRANCE.
摘要Three different techniques are used to measure the mean decay length of the tau lepton with a high precision vertex detector in a sample of 11 800 tau pairs coming from Z decays, collected in 1991 by ALEPH at LEP. Events in which both tau's decay into one charged track are analyzed using two largely independent methods. Displaced vertices in three-prong decays yield another independent measurement. The derived lifetime is 295.5 +/- 5.9 +/- 3.1 fs, using m(tau) = 1777.1 +/- 0.5 MeV/c2. Including previous (1989-1990) ALEPH measurements, the combined tau lifetime is 294.7 +/- 5.4 +/- 3.0 fs.
文章类型Article
学科领域Physics
DOI10.1016/0370-2693(92)91283-F
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:A1992KF69800033
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/311005/227644
专题实验物理中心
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ALEPH Collaboration. A PRECISE MEASUREMENT OF THE TAU-LEPTON LIFETIME[J]. PHYSICS LETTERS B,1992,297(3-4):#REF!.
APA ALEPH Collaboration.(1992).A PRECISE MEASUREMENT OF THE TAU-LEPTON LIFETIME.PHYSICS LETTERS B,297(3-4),#REF!.
MLA ALEPH Collaboration."A PRECISE MEASUREMENT OF THE TAU-LEPTON LIFETIME".PHYSICS LETTERS B 297.3-4(1992):#REF!.
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