Measurements of $B_c^+$ production and mass with the $B_c^+ \to J/ψπ^+$ decay
Creators: name: LHCb Collaboration
name: Aaij, R.
name: Beteta, C. Abellan
name: Adametz, A.
name: Adeva, B.
name: Adinolfi, M.
name: Adrover, C.
name: Affolder, A.
name: Ajaltouni, Z.
name: Albrecht, J.
name: Alessio, F.
name: Alexander, M.
name: Ali, S.
name: Alkhazov, G.
name: Cartelle, P. Alvarez
name: Alves, A. A.
name: Amato, S.
name: Amhis, Y.
name: Anderlini, L.
name: Anderson, J.
name: Appleby, R. B.
name: Gutierrez, O. Aquines
name: Archilli, F.
name: Artamonov, A.
name: Artuso, M.
name: Aslanides, E.
name: Auriemma, G.
name: Bachmann, S.
name: Back, J. J.
name: Baesso, C.
name: Baldini, W.
name: Barlow, R. J.
name: Barschel, C.
name: Barsuk, S.
name: Barter, W.
name: Bates, A.
name: Bauer, Th.
name: Bay, A.
name: Beddow, J.
name: Bediaga, I.
name: Belogurov, S.
name: Belous, K.
name: Belyaev, I.
name: Ben-Haim, E.
name: Benayoun, M.
name: Bencivenni, G.
name: Benson, S.
name: Benton, J.
name: Berezhnoy, A.
name: Bernet, R.
name: Bettler, M. -O.
name: van Beuzekom, M.
name: Bien, A.
name: Bifani, S.
name: Bird, T.
name: Bizzeti, A.
name: Bjørnstad, P. M.
name: Blake, T.
name: Blanc, F.
name: Blanks, C.
name: Blouw, J.
name: Blusk, S.
name: Bobrov, A.
name: Bocci, V.
name: Bondar, A.
name: Bondar, N.
name: Bonivento, W.
name: Borghi, S.
name: Borgia, A.
name: Bowcock, T. J. V.
name: Bozzi, C.
name: Brambach, T.
name: Brand, J. van den
name: Bressieux, J.
name: Brett, D.
name: Britsch, M.
name: Britton, T.
name: Brook, N. H.
name: Brown, H.
name: Büchler-Germann, A.
name: Burducea, I.
name: Bursche, A.
name: Buytaert, J.
name: Cadeddu, S.
name: Callot, O.
name: Calvi, M.
name: Gomez, M. Calvo
name: Camboni, A.
name: Campana, P.
name: Carbone, A.
name: Carboni, G.
name: Cardinale, R.
name: Cardini, A.
name: Carson, L.
name: Akiba, K. Carvalho
name: Casse, G.
name: Cattaneo, M.
name: Cauet, Ch.
name: Charles, M.
name: Charpentier, Ph.
name: Chen, P.
name: Chiapolini, N.
name: Chrzaszcz, M.
name: Ciba, K.
name: Vidal, X. Cid
name: Ciezarek, G.
name: Clarke, P. E. L.
name: Clemencic, M.
name: Cliff, H. V.
name: Closier, J.
name: Coca, C.
name: Coco, V.
name: Cogan, J.
name: Cogneras, E.
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name: Comerma-Montells, A.
name: Contu, A.
name: Cook, A.
name: Coombes, M.
name: Corti, G.
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name: Cunliffe, S.
name: Currie, R.
name: D'Ambrosio, C.
name: David, P.
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name: De Bonis, I.
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name: Wu, S.
name: Wyllie, K.
name: Xie, Y.
name: Xing, F.
name: Xing, Z.
name: Yang, Z.
name: Young, R.
name: Yuan, X.
name: Yushchenko, O.
name: Zangoli, M.
name: Zavertyaev, M.
name: Zhang, F.
name: Zhang, L.
name: Zhang, W. C.
name: Zhang, Y.
name: Zhelezov, A.
name: Zhong, L.
name: Zvyagin, A.
Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences
subject: FOS: Physical sciences

description: Measurements of $B_c^+$ production and mass are performed with the decay mode $B_c^+ \to J/ψπ^+$ using 0.37 fb$^{-1}$ of data collected in $pp$ collisions at $\sqrt{s}=7$ TeV by the LHCb experiment. The ratio of the production cross-section times branching fraction between the $B_c^+ \to J/ψπ^+$ and the $B^+ \to J/ψK^+$ decays is measured to be $(0.68 \pm 0.10\,({\rm stat.}) \pm 0.03\,({\rm syst.}) \pm 0.05\,({\rm lifetime}))$% for $B_c^+$ and $B^+$ mesons with transverse momenta $p_{\rm T}&gt;4 $GeV/$c$ and pseudorapidities $2.5
description: 14 pages including author list, 3 figures. v3, corrected the eaten "%" in the production ratio, only affects the arXiv abstract