Amplitude analysis of $B^\pm \to π^\pm K^+ K^-$ decays
Creators: name: LHCb Collaboration
name: Aaij, R.
name: Beteta, C. Abellán
name: Adeva, B.
name: Adinolfi, M.
name: Aidala, C. A.
name: Ajaltouni, Z.
name: Akar, S.
name: Albicocco, P.
name: Albrecht, J.
name: Alessio, F.
name: Alexander, M.
name: Albero, A. Alfonso
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: Archilli, F.
name: Romeu, J. Arnau
name: Artamonov, A.
name: Artuso, M.
name: Arzymatov, K.
name: Aslanides, E.
name: Atzeni, M.
name: Audurier, B.
name: Bachmann, S.
name: Back, J. J.
name: Baker, S.
name: Balagura, V.
name: Baldini, W.
name: Baranov, A.
name: Barlow, R. J.
name: Barsuk, S.
name: Barter, W.
name: Bartolini, M.
name: Baryshnikov, F.
name: Batozskaya, V.
name: Batsukh, B.
name: Battig, A.
name: Battista, V.
name: Bay, A.
name: Beddow, J.
name: Bedeschi, F.
name: Bediaga, I.
name: Beiter, A.
name: Bel, L. J.
name: Belin, S.
name: Beliy, N.
name: Bellee, V.
name: Belloli, N.
name: Belous, K.
name: Belyaev, I.
name: Bencivenni, G.
name: Ben-Haim, E.
name: Benson, S.
name: Beranek, S.
name: Berezhnoy, A.
name: Bernet, R.
name: Berninghoff, D.
name: Bertholet, E.
name: Bertolin, A.
name: Betancourt, C.
name: Betti, F.
name: Bettler, M. O.
name: Bezshyiko, Ia.
name: Bhasin, S.
name: Bhom, J.
name: Bieker, M. S.
name: Bifani, S.
name: Billoir, P.
name: Birnkraut, A.
name: Bizzeti, A.
name: Bjørn, M.
name: Blago, M. P.
name: Blake, T.
name: Blanc, F.
name: Blusk, S.
name: Bobulska, D.
name: Bocci, V.
name: Garcia, O. Boente
name: Boettcher, T.
name: Bondar, A.
name: Bondar, N.
name: Borghi, S.
name: Borisyak, M.
name: Borsato, M.
name: Boubdir, M.
name: Bowcock, T. J. V.
name: Bozzi, C.
name: Braun, S.
name: Brodski, M.
name: Brodzicka, J.
name: Gonzalo, A. Brossa
name: Brundu, D.
name: Buchanan, E.
name: Buonaura, A.
name: Burr, C.
name: Bursche, A.
name: Buytaert, J.
name: Byczynski, W.
name: Cadeddu, S.
name: Cai, H.
name: Calabrese, R.
name: Calladine, 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: Akiba, K. Carvalho
name: Casse, G.
name: Cattaneo, M.
name: Cavallero, G.
name: Cenci, R.
name: Chapman, M. G.
name: Charles, M.
name: Charpentier, Ph.
name: Chatzikonstantinidis, G.
name: Chefdeville, M.
name: Chekalina, V.
name: Chen, C.
name: Chen, S.
name: Chitic, S. -G.
name: Chobanova, V.
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name: Ciambrone, P.
name: Vidal, X. Cid
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name: Coco, V.
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name: Sobral, C. M. Costa
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name: Cowan, G. A.
name: Craik, D. C.
name: Crocombe, A.
name: Torres, M. Cruz
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name: D'Ambrosio, C.
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name: d'Argent, P.
name: Davis, A.
name: Francisco, O. De Aguiar
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name: De Miranda, J. M.
name: De Paula, L.
name: De Serio, M.
name: De Simone, P.
name: de Vries, J. A.
name: Dean, C. T.
name: Dean, W.
name: Decamp, D.
name: Del Buono, L.
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name: Demmer, M.
name: Dendek, A.
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name: Deschamps, O.
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name: Di Nezza, P.
name: Didenko, S.
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name: Suárez, A. Dosil
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name: Dreimanis, K.
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name: Féo, M.
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name: Wotton, S. A.
name: Wyllie, K.
name: Xiao, D.
name: Xie, Y.
name: Xu, A.
name: Xu, M.
name: Xu, Q.
name: Xu, Z.
name: Xu, Z.
name: Yang, Z.
name: Yang, Z.
name: Yao, Y.
name: Yeomans, L. E.
name: Yin, H.
name: Yu, J.
name: Yuan, X.
name: Yushchenko, O.
name: Zarebski, K. A.
name: Zavertyaev, M.
name: Zeng, M.
name: Zhang, D.
name: Zhang, L.
name: Zhang, W. C.
name: Zhang, Y.
name: Zhelezov, A.
name: Zheng, Y.
name: Zhu, X.
name: Zhukov, V.
name: Zonneveld, J. B.
name: Zucchelli, S.
Publisher: name: arXiv
Year: 2019
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences
subject: FOS: Physical sciences

description: The first amplitude analysis of the $B^\pm \to π^\pm K^+ K^-$ decay is reported based on a data sample corresponding to an integrated luminosity of 3.0 fb$^{-1}$ of $pp$ collisions recorded in 2011 and 2012 with the LHCb detector. The data is found to be best described by a coherent sum of five resonant structures plus a nonresonant component and a contribution from $ππ\leftrightarrow KK$ $S$-wave rescattering. The dominant contributions in the $π^\pm K^\mp$ and $K^{+}K^{-}$ systems are the nonresonant and the $B^\pm \to ρ(1450)^{0}π^{\pm}$ amplitudes, respectively, with fit fractions around $30\%$. For the rescattering contribution, a sizeable fit fraction is observed. This component has the largest $CP$ asymmetry reported to date for a single amplitude of $(-66 \pm 4 \pm 2)\%$, where the first uncertainty is statistical and the second systematic. No significant $CP$ violation is observed in the other contributions.
description: All figures and tables, along with any supplementary material and additional information, are available at https://cern.ch/lhcbproject/Publications/p/LHCb-PAPER-2018-051.html (LHCb public pages) / v2: Latex formatting in abstract fixed