Title
First flavor-tagged determination of bounds on mixing-induced CP violation in <tex>$B_{s}^{0}\rightarrow J/\Psi\phi$</tex> decaysFirst flavor-tagged determination of bounds on mixing-induced CP violation in <tex>$B_{s}^{0}\rightarrow J/\Psi\phi$</tex> decays
Author
Faculty/Department
Faculty of Sciences. Physics
Research group
Elementary Particle Physics
Publication type
article
Publication
New York, N.Y.,
Subject
Physics
Source (journal)
Physical review letters. - New York, N.Y.
Volume/pages
100(2008):16, p. 161802,1-161802,7
ISSN
0031-9007
ISI
000255457600018
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
This Letter describes the first determination of bounds on the CP-violation parameter 2βs using Bs0 decays in which the flavor of the bottom meson at production is identified. The result is based on approximately 2000 Bs0→J/ψ&#981; decays reconstructed in a 1.35   fb-1 data sample collected with the CDF II detector using pp&#773; collisions produced at the Fermilab Tevatron. We report confidence regions in the two-dimensional space of 2βs and the decay-width difference ΔΓ. Assuming the standard model predictions of 2βs and ΔΓ, the probability of a deviation as large as the level of the observed data is 15%, corresponding to 1.5 Gaussian standard deviations.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/7511f3/85d5d066.pdf
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