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Measurement of the ratio of branching fractions and difference in CP asymmetries of the decays B+→ J/ψπ+and B+→ J/ψK+

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Title: Measurement of the ratio of branching fractions and difference in CP asymmetries of the decays B<sup>+</sup>→ J/ψπ<sup>+</sup>and B<sup>+</sup>→ J/ψK<sup>+</sup>
Authors: Aaij, R
Adeva, B
Adinolfi, M
Ajaltouni, Z
Akar, S
Albrecht, J
Alessio, F
Alexander, M
Ali, S
Alkhazov, G
Alvarez Cartelle, P
Alves, AA
Amato, S
Amerio, S
Amhis, Y
An, L
Anderlini, L
Andreassi, G
Andreotti, M
Andrews, JE
Appleby, RB
Archilli, F
D Argent, P
Arnau Romeu, J
Artamonov, A
Artuso, M
Aslanides, E
Auriemma, G
Baalouch, M
Babuschkin, I
Bachmann, S
Back, JJ
Badalov, A
Baesso, C
Baker, S
Balagura, V
Baldini, W
Barlow, RJ
Barschel, C
Barsuk, S
Barter, W
Baszczyk, M
Batozskaya, V
Batsukh, B
Battista, V
Bay, A
Beaucourt, L
Beddow, J
Bedeschi, F
Bediaga, I
Bel, LJ
Bellee, V
Belloli, N
Belous, K
Belyaev, I
Ben-Haim, E
Bencivenni, G
Benson, S
Berezhnoy, A
Bernet, R
Bertolin, A
Betancourt, C
Betti, F
Bettler, MO
Van Beuzekom, M
Bezshyiko, I
Bifani, S
Billoir, P
Bird, T
Birnkraut, A
Bitadze, A
Bizzeti, A
Blake, T
Blanc, F
Blouw, J
Blusk, S
Bocci, V
Boettcher, T
Bondar, A
Bondar, N
Bonivento, W
Bordyuzhin, I
Borgheresi, A
Borghi, S
Borisyak, M
Borsato, M
Bossu, F
Boubdir, M
Bowcock, TJV
Bowen, E
Bozzi, C
Braun, S
Item Type: Journal Article
Abstract: The ratio of branching fractions and the difference in CP asymmetries of the decays B+→ J/ψπ+and B+→ J/ψK+are measured using a data sample of pp collisions collected by the LHCb experiment, corresponding to an integrated luminosity of 3 fb−1at centre-of-mass energies of 7 and 8 TeV. The results are (Formula presented.) where the first uncertainties are statistical and the second are systematic. Combining this result with a recent LHCb measurement of AC P(B+→ J/ ψK+) provides the most precise estimate to date of CP violation in the decay B+→ J/ψπ+, (Formula presented.).
Issue Date: 1-Mar-2017
Date of Acceptance: 24-Feb-2017
URI: http://hdl.handle.net/10044/1/61002
DOI: https://dx.doi.org/10.1007/JHEP03(2017)036
ISSN: 1126-6708
Publisher: Springer
Journal / Book Title: Journal of High Energy Physics
Volume: 2017
Issue: 3
Copyright Statement: © 2017 The Author(s). This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0 - https://creativecommons.org/licenses/by/4.0/), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.
Keywords: hep-ex
01 Mathematical Sciences
02 Physical Sciences
Nuclear & Particles Physics
Publication Status: Published
Open Access location: http://doi.org/10.1007/JHEP03(2017)036
Article Number: 36
Online Publication Date: 2017-03-07
Appears in Collections:Physics
High Energy Physics