Muon-pair and tau-pair production in two-photon collisions at LEP
文献类型:期刊论文
刊名 | PHYSICS LETTERS B
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出版日期 | 2004 |
卷号 | 585期号:1--2页码:53-62 |
关键词 | PHOTON-PHOTON COLLISIONS L3 EXPERIMENT DIPOLE-MOMENTS HIGH-ENERGIES DETECTOR TRIGGER CONSTRUCTION CALORIMETER |
通讯作者 | Achard, P (reprint author), Rhein Westfal TH Aachen, Inst Phys 3, D-52056 Aachen, Germany. |
英文摘要 | The QED processes e(+)e(-) --> e(+)e(-)mu(+)mu(-) and e(+)e(-) --> e(+)e(-)tau(+)tau(-) are studied with the L3 detector at LEP using an untagged data sample collected at centre-of-mass energies 161 GeV less than or equal to roots less than or equal to 209 GeV, The tau-pairs are observed through the associated decay of one tau into evv and the other into pipiv. The cross sections are measured as a function of roots. For muon pairs, the cross section of the gammagamma --> mu(+)mu(-) process is also measured as a function of the two-photon centre-of-mass energy for 3 GeV less than or equal to Wgammagamma less than or equal to 40 GeV Good agreement is found between these measurements and the O(alpha(4)) QED expectations. In addition, limits on the anomalous magnetic and electric dipole moments of the T lepton are extracted. (C) 2004 Published by Elsevier B.V. |
学科主题 | Physics |
类目[WOS] | Physics, Multidisciplinary |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000220317500009 |
公开日期 | 2016-02-25 |
源URL | [http://ir.ihep.ac.cn/handle/311005/212371] ![]() |
专题 | 高能物理研究所_粒子天体物理中心 |
推荐引用方式 GB/T 7714 | . Muon-pair and tau-pair production in two-photon collisions at LEP[J]. PHYSICS LETTERS B,2004,585(1--2):53-62. |
APA | (2004).Muon-pair and tau-pair production in two-photon collisions at LEP.PHYSICS LETTERS B,585(1--2),53-62. |
MLA | "Muon-pair and tau-pair production in two-photon collisions at LEP".PHYSICS LETTERS B 585.1--2(2004):53-62. |
入库方式: OAI收割
来源:高能物理研究所
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