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MEASUREMENT OF THE E+E- -] B(B)OVER-BAR AND E+E- -] C(C)OVER-BAR FORWARD BACKWARD ASYMMETRIES AT THE Z0 RESONANCE

Abstract:
We have measured the forward-backward asymmetry in e+e-→bb and e+e-→cc processes using hadronic events containing muons or electrons. The data sample corresponds to 4100000 hadronic decays of the Z0. From a fit to the single lepton and dilepton p and pT spectra, we determine Abb=0.086±0.015±0.007 and Acc=0.083±0.038±0.027 at the effective center-of-mass energy √s=91.24 GeV. These measurements yield a value of the electroweak mixing angle sin2 θw=0.2336±0.0029. © 1992.
Publication status:
Published

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Authors


ADRIANI, O More by this author
AGUILARBENITEZ, M More by this author
ALCARAZ, J More by this author
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Journal:
PHYSICS LETTERS B
Volume:
292
Issue:
3-4
Pages:
454-462
Publication date:
1992-10-15
DOI:
ISSN:
0370-2693
URN:
uuid:e1b71670-90dd-4f24-a566-b9e3da7fcc75
Source identifiers:
9612
Local pid:
pubs:9612

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