A precise measurement of the B0 meson oscillation frequency

Aaij, R; Abellán Beteta, C; Adeva, B; Adinolfi, M; Affolder, A; 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; Anderson, J; Andreassi, G; Andreotti, M; Andrews, JE; Appleby, RB; Aquines Gutierrez, O; Archilli, F; D Argent, P; Artamonov, A; Artuso, M; Aslanides, E; Auriemma, G; Baalouch, M; Bachmann, S; Back, JJ; Badalov, A; Baesso, C; Baldini, W; Barlow, RJ; Barschel, C; Barsuk, S; Barter, W; Batozskaya, V; Battista, V; Bay, A; Beaucourt, L; Beddow, J; Bedeschi, F; Bediaga, I; Bel, LJ; Bellee, V; Belloli, N; Belyaev, I; Ben-Haim, E; Bencivenni, G; Benson, S; Benton, J; Berezhnoy, A; Bernet, R; Bertolin, A; Bettler, MO; Van Beuzekom, M; Bien, A; Bifani, S; Billoir, P; Bird, T; Birnkraut, A; Bizzeti, A; Blake, T; Blanc, F; Blouw, J; Blusk, S; Bocci, V; Bondar, A; Bondar, N; Bonivento, W; Borghi, S; Borsato, M; Bowcock, TJV; Bowen, E; Bozzi, C; Braun, S; Britsch, M; Britton, T; Brodzicka, J; Brook, NH; Buchanan, E; Bursche, A; Buytaert, J; Cadeddu, S; Calabrese, R; Calvi, M; Calvo Gomez, M; Campana, P; Campora Perez, D; Capriotti, L; Carbone, A; Carboni, G; Cardinale, R

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A precise measurement of the B0 meson oscillation frequency

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Title:	A precise measurement of the B0 meson oscillation frequency
Authors:	Aaij, R Abellán Beteta, C Adeva, B Adinolfi, M Affolder, A 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 Anderson, J Andreassi, G Andreotti, M Andrews, JE Appleby, RB Aquines Gutierrez, O Archilli, F D Argent, P Artamonov, A Artuso, M Aslanides, E Auriemma, G Baalouch, M Bachmann, S Back, JJ Badalov, A Baesso, C Baldini, W Barlow, RJ Barschel, C Barsuk, S Barter, W Batozskaya, V Battista, V Bay, A Beaucourt, L Beddow, J Bedeschi, F Bediaga, I Bel, LJ Bellee, V Belloli, N Belyaev, I Ben-Haim, E Bencivenni, G Benson, S Benton, J Berezhnoy, A Bernet, R Bertolin, A Bettler, MO Van Beuzekom, M Bien, A Bifani, S Billoir, P Bird, T Birnkraut, A Bizzeti, A Blake, T Blanc, F Blouw, J Blusk, S Bocci, V Bondar, A Bondar, N Bonivento, W Borghi, S Borsato, M Bowcock, TJV Bowen, E Bozzi, C Braun, S Britsch, M Britton, T Brodzicka, J Brook, NH Buchanan, E Bursche, A Buytaert, J Cadeddu, S Calabrese, R Calvi, M Calvo Gomez, M Campana, P Campora Perez, D Capriotti, L Carbone, A Carboni, G Cardinale, R
Item Type:	Journal Article
Abstract:	The oscillation frequency, Δ md, of B0 mesons is measured using semileptonic decays with a D- or D∗ - meson in the final state. The data sample corresponds to 3.0fb- 1 of pp collisions, collected by the LHCb experiment at centre-of-mass energies s = 7 and 8TeV. A combination of the two decay modes gives Δmd=(505.0±2.1±1.0)ns-1, where the first uncertainty is statistical and the second is systematic. This is the most precise single measurement of this parameter. It is consistent with the current world average and has similar precision.
Issue Date:	21-Jul-2016
Date of Acceptance:	4-Jul-2016
URI:	http://hdl.handle.net/10044/1/39444
DOI:	http://dx.doi.org/10.1140/epjc/s10052-016-4250-2
ISSN:	1434-6044
Publisher:	Springer Verlag
Journal / Book Title:	European Physical Journal C
Volume:	76
Copyright Statement:	© The Author(s) 2016. This article is published with open access at Springerlink.com
Keywords:	hep-ex Nuclear & Particles Physics 0206 Quantum Physics 0202 Atomic, Molecular, Nuclear, Particle And Plasma Physics
Publication Status:	Published
Article Number:	412
Appears in Collections:	Physics High Energy Physics Faculty of Natural Sciences