Measurement of e+e---> micro+ micro-: A test of electroweak theories.

B. Adeva,U. Becker,R. Becker-Szendy,J. Berdugo,A. Boehm,J. G. Branson,J. D. Burger, M. Capell,M. Cerrada,C. C. Chang,Y. H. Chang,H. S. Chen,M. Chen,M. L. Chen,M. Y. Chen,Y. S. Chu,E. Deffur, K. Deiters, M. Demarteau,B. Z. Dong, P. Duinker,H. S. Fesefeldt,D. Fong,M. Fukushima, L. Garrido,R. D. Han, D. Harting, G. Herten,M. C. Ho, D. Hueser,M. Hussain,M. M. Ilyas,D. Z. Jiang,M. Klein,W. Krenz,P. Kuijer,R. Leiste,Q. Z. Li, D. Linnhoefer,D. Luckey, E. J. Luit, C. Mana, M. A. Marquina,M. Martinez,G. G. G. Massaro,J. Mnich, R. Mount,K. Nadeem, H. Newman,W. D. Nowak, M. Pohl, F. P. Poschmann,R. R. Rau,S. Rodriguez,M. Rohde,J. A. Rubio,H. Rykaczewski,M. Sachwitz,J. Salicio,H. J. Schreiber, U. Schroeder,J. Schug,H. Stone,G. M. Swider,H. W. Tang,D. Teuchert,Samuel C. C. Ting,K. L. Tung,H. Vogt,M. Q. Wang,M. White,H. G. Wu,S. X. Wu,B. Wyslouch,B. X. Yang, B. Zhou,R. Y. Zhu

Physical review letters（1985）

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摘要

We use the reaction e/sup +/e/sup -/..--> mu../sup +/..mu../sup -/, in the Mark J detector at the DESY high-energy e/sup +/e/sup -/ collider PETRA, to test the standard electroweak theory and find good agreement. We also set limits on the parameters of several extended gauge theories.

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关键词

Electroweak interaction,Weinberg angle,DESY,Muon,Elementary particle,Electron–positron annihilation,Particle decay,Lepton,Particle physics,Physics

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