Measurement of the phase difference between short- and long-distance amplitudes in the $B^{+}\to K^{+}μ^{+}μ^{-}$ decay
Creators: name: LHCb Collaboration
name: Aaij, R.
name: Adeva, B.
name: Adinolfi, M.
name: Ajaltouni, Z.
name: Akar, S.
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: Amerio, S.
name: Amhis, Y.
name: An, L.
name: Anderlini, L.
name: Andreassi, G.
name: Andreotti, M.
name: Andrews, J. E.
name: Appleby, R. B.
name: Archilli, F.
name: d'Argent, P.
name: Romeu, J. Arnau
name: Artamonov, A.
name: Artuso, M.
name: Aslanides, E.
name: Auriemma, G.
name: Baalouch, M.
name: Babuschkin, I.
name: Bachmann, S.
name: Back, J. J.
name: Badalov, A.
name: Baesso, C.
name: Baker, S.
name: Balagura, V.
name: Baldini, W.
name: Barlow, R. J.
name: Barschel, C.
name: Barsuk, S.
name: Barter, W.
name: Baszczyk, M.
name: Batozskaya, V.
name: Batsukh, B.
name: Battista, V.
name: Bay, A.
name: Beaucourt, L.
name: Beddow, J.
name: Bedeschi, F.
name: Bediaga, I.
name: Bel, L. J.
name: Bellee, V.
name: Belloli, N.
name: Belous, K.
name: Belyaev, I.
name: Ben-Haim, E.
name: Bencivenni, G.
name: Benson, S.
name: Berezhnoy, A.
name: Bernet, R.
name: Bertolin, A.
name: Betancourt, C.
name: Betti, F.
name: Bettler, M. -O.
name: van Beuzekom, M.
name: Bezshyiko, Ia.
name: Bifani, S.
name: Billoir, P.
name: Bird, T.
name: Birnkraut, A.
name: Bitadze, A.
name: Bizzeti, A.
name: Blake, T.
name: Blanc, F.
name: Blouw, J.
name: Blusk, S.
name: Bocci, V.
name: Boettcher, T.
name: Bondar, A.
name: Bondar, N.
name: Bonivento, W.
name: Bordyuzhin, I.
name: Borgheresi, A.
name: Borghi, S.
name: Borisyak, M.
name: Borsato, M.
name: Bossu, F.
name: Boubdir, M.
name: Bowcock, T. J. V.
name: Bowen, E.
name: Bozzi, C.
name: Braun, S.
name: Britsch, M.
name: Britton, T.
name: Brodzicka, J.
name: Buchanan, E.
name: Burr, C.
name: Bursche, A.
name: Buytaert, J.
name: Cadeddu, S.
name: Calabrese, R.
name: Calvi, M.
name: Gomez, M. Calvo
name: Camboni, A.
name: Campana, P.
name: Perez, D. H. Campora
name: Capriotti, L.
name: Carbone, A.
name: Carboni, G.
name: Cardinale, R.
name: Cardini, A.
name: Carniti, P.
name: Carson, L.
name: Akiba, K. Carvalho
name: Casse, G.
name: Cassina, L.
name: Garcia, L. Castillo
name: Cattaneo, M.
name: Cavallero, G.
name: Cenci, R.
name: Chamont, D.
name: Charles, M.
name: Charpentier, Ph.
name: Chatzikonstantinidis, G.
name: Chefdeville, M.
name: Chen, S.
name: Cheung, S. -F.
name: Chobanova, V.
name: Chrzaszcz, M.
name: Vidal, X. Cid
name: Ciezarek, G.
name: Clarke, P. E. L.
name: Clemencic, M.
name: Cliff, H. V.
name: Closier, J.
name: Coco, V.
name: Cogan, J.
name: Cogneras, E.
name: Cogoni, V.
name: Cojocariu, L.
name: Collazuol, G.
name: Collins, P.
name: Comerma-Montells, A.
name: Contu, A.
name: Cook, A.
name: Coombs, G.
name: Coquereau, S.
name: Corti, G.
name: Corvo, M.
name: Sobral, C. M. Costa
name: Couturier, B.
name: Cowan, G. A.
name: Craik, D. C.
name: Crocombe, A.
name: Torres, M. Cruz
name: Cunliffe, S.
name: Currie, R.
name: D'Ambrosio, C.
name: Marinho, F. Da Cunha
name: Dall'Occo, E.
name: Dalseno, J.
name: David, P. N. Y.
name: Davis, A.
name: De Bruyn, K.
name: De Capua, S.
name: De Cian, M.
name: De Miranda, J. M.
name: De Paula, L.
name: De Serio, M.
name: De Simone, P.
name: Dean, C. -T.
name: Decamp, D.
name: Deckenhoff, M.
name: Del Buono, L.
name: Demmer, M.
name: Dendek, A.
name: Derkach, D.
name: Deschamps, O.
name: Dettori, F.
name: Dey, B.
name: Di Canto, A.
name: Dijkstra, H.
name: Dordei, F.
name: Dorigo, M.
name: Suárez, A. Dosil
name: Dovbnya, A.
name: Dreimanis, K.
name: Dufour, L.
name: Dujany, G.
name: Dungs, K.
name: Durante, P.
name: Dzhelyadin, R.
name: Dziurda, A.
name: Dzyuba, A.
name: Déléage, N.
name: Easo, S.
name: Ebert, M.
name: Egede, U.
name: Egorychev, V.
name: Eidelman, S.
name: Eisenhardt, S.
name: Eitschberger, U.
name: Ekelhof, R.
name: Eklund, L.
name: Ely, S.
name: Esen, S.
name: Evans, H. M.
name: Evans, T.
name: Falabella, A.
name: Farley, N.
name: Farry, S.
name: Fay, R.
name: Fazzini, D.
name: Ferguson, D.
name: Prieto, A. Fernandez
name: Ferrari, F.
name: Rodrigues, F. Ferreira
name: Ferro-Luzzi, M.
name: Filippov, S.
name: Fini, R. A.
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name: Fiorini, M.
name: Firlej, M.
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name: Forshaw, D. C.
name: Forty, R.
name: Lima, V. Franco
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name: Galli, D.
name: Gallorini, S.
name: Gambetta, S.
name: Gandelman, M.
name: Gandini, P.
name: Gao, Y.
name: Martin, L. M. Garcia
name: Pardiñas, J. García
name: Tico, J. Garra
name: Garrido, L.
name: Garsed, P. J.
name: Gascon, D.
name: Gaspar, C.
name: Gavardi, L.
name: Gazzoni, G.
name: Gerick, D.
name: Gersabeck, E.
name: Gersabeck, M.
name: Gershon, T.
name: Ghez, Ph.
name: Gianì, S.
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name: Golubkov, D.
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name: Gomes, A.
name: Gorelov, I. V.
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name: Cazon, B. R. Gruberg
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name: Wotton, S. A.
name: Wraight, K.
name: Wyllie, K.
name: Xie, Y.
name: Xing, Z.
name: Xu, Z.
name: Yang, Z.
name: Yao, Y.
name: Yin, H.
name: Yu, J.
name: Yuan, X.
name: Yushchenko, O.
name: Zarebski, K. A.
name: Zavertyaev, M.
name: Zhang, L.
name: Zhang, Y.
name: Zhang, Y.
name: Zhelezov, A.
name: Zheng, Y.
name: Zhu, X.
name: Zhukov, V.
name: Zucchelli, S.
Publisher: name: arXiv
Year: 2016
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences
subject: FOS: Physical sciences

description: A measurement of the phase difference between the short- and long-distance contributions to the $B^{+}\to K^{+}μ^{+}μ^{-}$ decay is performed by analysing the dimuon mass distribution. The analysis is based on $pp$ collision data corresponding to an integrated luminosity of 3 $\rm fb^{-1}$ collected by the LHCb experiment in 2011 and 2012. The long-distance contribution to the $B^{+}\to K^{+}μ^{+}μ^{-}$ decay is modelled as a sum of relativistic Breit--Wigner amplitudes representing different vector meson resonances decaying to muon pairs, each with their own magnitude and phase. The measured phases of the $J/ψ$ and $ψ(2S)$ resonances are such that the interference with the short-distance component in dimuon mass regions far from their pole masses is small. In addition, constraints are placed on the Wilson coefficients, $\mathcal{C}_{9}$ and $\mathcal{C}_{10}$, and the branching fraction of the short-distance component is measured.
description: 23 pages, 4 figures, published in EPJC. All figures and tables, along with any supplementary material and additional information, are available at http://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2016-045.html