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Author
LHCb Collaboration (Aaij, R. et al)
;
Martinez-Vidal, F.
;
Oyanguren, A.
;
Ruiz Valls, P.
;
Sanchez Mayordomo, C.
Title
Measurement of the CP-violating phase phi(s) in (B)over-bar(s)(0) -> J / psi pi(+)pi(-) decays
Type
Journal Article
Year
2014
Publication
Physics Letters B
Abbreviated Journal
Phys. Lett. B
Volume
736
Issue
Pages
186-195
Keywords
Abstract
The mixing-induced CP-violating phase phi(s) in B-s(0) and (B) over bar (0)(s) decays is measured using the J / psi pi(+)pi(-) final state in data, taken from 3 fb(-1) of integrated luminosity, collected with the LHCb detector in 7 and 8 TeV centre-of-mass pp collisions at the LHC. A time-dependent flavour-tagged amplitude analysis, allowing for direct CP violation, yields a value for the phase phi(s) = 70 +/- 68 +/- 8 mrad. This result is consistent with the Standard Model expectation and previous measurements.
Address
[Bediaga, I.; De Miranda, J. M.; Ferreira Rodrigues, F.; Gomes, A.; Hicheur, A.; Massafferri, A.; dos Reis, A. C.; Rodrigues, A. B.] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil
Corporate Author
Thesis
Publisher
Elsevier Science Bv
Place of Publication
Editor
Language
English
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
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Series Issue
Edition
ISSN
0370-2693
ISBN
Medium
Area
Expedition
Conference
Notes
WOS:000341487800025
Approved
no
Is ISI
yes
International Collaboration
yes
Call Number
IFIC @ pastor @
Serial
1937
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