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ID 18759
file
creator
SLD, Collaboration
abstract
Using an impact parameter tag to select an enriched sample of Z0→bb̅ events, and the net momentum-weighted track charge to identify the sign of the charge of the underlying b quark, we have measured the left-right forward-backward asymmetry for b quark production as a function of polar angle. Based on 1.8 pb-1 of Z0 decay data produced with a mean electron beam polarization of Pe = 63%, this yields a direct measurement of the extent of parity violation in the Zbb coupling of Ab = 0.87±0.11(stat)±0.09(syst).
journal title
Physical Review Letters
volume
Volume 74
issue
Issue 15
start page
2890
end page
2894
date of issued
1995-04-10
publisher
American Physical Society
issn
0031-9007
ncid
publisher doi
language
eng
nii type
Journal Article
HU type
Journal Articles
DCMI type
text
format
application/pdf
text version
publisher
rights
Copyright (c) 1995 American Physical Society.
relation url
department
Graduate School of Advanced Sciences of Matter