A MEASUREMENT OF THE Z0-]BBBAR FORWARD-BACKWARD ASYMMETRY

被引：30

作者：

ADEVA, B

机构：

[1] European Laboratory for Particle Physics, CERN

[2] INFN-Sezione di Firenze, University of Florence

[3] Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas, CIEMAT

[4] Johns Hopkins University, Baltimore

[5] INFN-Sezione di Napoli, University of Naples

[6] Northeastern University, Boston

[7] World Laboratory, FBLJA Project

[8] Eidgenössische Technische Hochschule, ETH Zürich

[9] Massachusetts Institute of Technology, Cambridge

[10] Leningrad Nuclear Physics Institute

[11] Central Laboratory of Automation and Instrumentation, CLANP, Sofia

[12] INFN-Sezione di Bologna

[13] Institute of Theoretical and Experimental Physics, ITEP

[14] University of Michigan, Ann Arbor

[15] Tata Institute of Fundamental Research, Bombay

[16] INFN-Sezione di Roma, University of Rome La Sapienza

[17] Princeton University, Princeton

[18] Union College, Schenectady

[19] University of Geneva

[20] Laboratoire de Physique des Particules, LAPP

[21] Central Research Institute for Physics, the Hungarian Academy of Sciences

[22] National Institute for High Energy Physics, NIKHEF

[23] NIKHEF-H, University of Nijmegen

[24] Paul Scherrer Institut (PSI), Würenlingen

[25] University of Lausanne

[26] University of California, San Diego

[27] Carnegie Mellon University, Pittsburgh

[28] Institut de Physique Nucléaire de Lyon, IN2P3-CNRS/Université Claude Bernard

[29] Purdue University, West Lafayette

[30] University of Alabama, Tuscaloosa

[31] Lawrence Livermore National Laboratory, Livermore

[32] Institute of High Energy Physics, IHEP, Beijing

[33] California Institute of Technology, Pasadena

[34] Oak Ridge National Laboratory, Oak Ridge

[35] High Energy Physics Institute, Berlin

[36] Shanghai Institute of Ceramics, SIC, Shanghai

[37] Los Alamos National Laboratory, Los Alamos

[38] Harvard University, Cambridge

[39] University of Hamburg

来源：

PHYSICS LETTERS B | 1990年 / 252卷 / 04期

关键词：

D O I：

10.1016/0370-2693(90)90510-D

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have measured the forward-backward asymmetry in Z0-->bbBAR decays using hadronic events containing muons and electrons. The data sample corresponds to 118 200 hadronic events square-root s almost-equal-to M(Z). From a fit to the single and dilepton p and p perpendicular-to spectra, we determine A(bbBAR) = 0.130(-0.042)+0.044 including the correction for B0-BBAR0 mixing.

引用

页码：713 / 721

页数：9

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