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Measurements of cross sections and charge asymmetries for ee→ττ ee→μμ from 52 to 57 GeV
Authors
A. Bacala,R. Malchow
K. Sparks,R. Imlay,P. Kirk,R.R. McNeil,W. Metcalf,W. Ko,K. Lannon,K. Maeshima,K. Śliwa,M. Williams,C. Cheng,Jin Li,Y. Li,L. Fava,Yupeng Yan,Y. Xu,Y. Zhu,A. Abashian,K. Gotow,F. Kajino,E. Low,F. Naito,L. Piilonen,R. Childers,C.W. Darden,P. Lukens,C. Rosenfeld,A. Wang,Sarah Wilson,M. Frautschi,H. Kagan,V. Kartvelishvili,C. Trahern,K. Abe,S. Chakrabarti,Yuki Fujii,Yukihiro Higashi,Y. Kurihara,A. Maki,T. Nozaki,T. Omori,P. Perez,H. Sagawa,Y. Sakai,Y. Sugimoto,Y. Takaiwa,K. Terashi,K. Tsuchiya,R. Poling,J. Green,I. Park,S. Sakamoto,F. Sannes,Stephen Schnetzer,R. Stone,S. Trentalange,D. Zimmerman,K. Miyano,K. Miyabayashi,Maki Ogawa,Y. Yamashita,D. Blanis,A. Bodek,H. Budd,R. Coombes,Sarah Eno,C. Fry,E. Hartouni,Y. Ho,Y. Kim,T. Kumita,T. Mori,S.L. Olsen,M. Shapiro,A. Sill,J. Bennett,Yutaka Akiyama,H. Zheng,H. Asakura,K. Eguchi,H. Itoh,S. Kobayashi,S. Kowalski,Kouichi Toyoshima,P. Kapusta,Hyun Kim,S. Kim,M. Lee,S.S. Myung,Eun Kim,Guinyun Kim,Dong-Chul Son,H. Kozuka,S. Matsumoto,T. Sasaki,Takahito Takeda,R. Tanaka,R. Chiba,Ken’ichi Hanaoka,S. Igarashi,H. Murata,Hiroshi Yokota,Y. Ishi,T. Ishizuka,Kouji Ohta,Richard Lander,Cameron Bravo,K. Sliwa,Koji Terashi,Marjorie Shapiro
+110 authors
,Gui KimJournal
Published
Feb 1, 1989
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Abstract
Measurements of the differential cross sections for e+e−→μ+μ− and e+e−→τ+τ− at values of s from 52 to 57 GeV are reported. The forward-backward asymmetries and the total cross sections for these reactions are found to be in agreement with predictions of the standard model of the electro-weak interactions. These measurements are used to extract values of the weak coupling constant gvegvl and gAegAl, where l = μ or τ.
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