doi: 10.1103/PhysRevLett.122.152002.
Model-Independent Observation of Exotic Contributions to B^{0}→J/ψK^{+}π^{-} Decays
R Aaij
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, C Abellán Beteta
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, B Adeva
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, M Adinolfi
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, C A Aidala
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, Z Ajaltouni
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, S Akar
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, P Albicocco
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, J Albrecht
9
, F Alessio
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, M Alexander
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, A Alfonso Albero
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, G Alkhazov
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, P Alvarez Cartelle
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, A A Alves
3
, S Amato
15
, S Amerio
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, Y Amhis
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, L An
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, L Anderlini
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, G Andreassi
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, M Andreotti
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, J E Andrews
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, F Archilli
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, M Bartolini
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, F Baryshnikov
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, V Batozskaya
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, B Batsukh
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, A Battig
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, V Battista
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, A Bay
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, J Beddow
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, F Bedeschi
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, I Bediaga
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, V Bellee
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, N Belloli
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, I Belyaev
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, S Benson
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, A Berezhnoy
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, R Bernet
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, E Bertholet
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, A Bertolin
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, C Betancourt
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, F Betti
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10
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, Ia Bezshyiko
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, S Bhasin
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35
, Z Xu
52
, Z Xu
53
, Z Yang
53
, Z Yang
21
, Y Yao
24
, L E Yeomans
49
, H Yin
61
, J Yu
61
, X Yuan
24
, O Yushchenko
23
, K A Zarebski
44
, M Zavertyaev
58
, D Zhang
61
, L Zhang
53
, W C Zhang
53
, Y Zhang
10
, A Zhelezov
27
, Y Zheng
35
, X Zhu
53
, V Zhukov
39
40
, J B Zonneveld
54
, S Zucchelli
41
; LHCb Collaboration
Affiliations
Affiliations
- 1 Nikhef National Institute for Subatomic Physics, Amsterdam, Netherlands.
- 2 Physik-Institut, Universität Zürich, Zürich, Switzerland.
- 3 Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain.
- 4 H.H. Wills Physics Laboratory, University of Bristol, Bristol, United Kingdom.
- 5 University of Michigan, Ann Arbor, Michigan, USA (associated with Syracuse University, Syracuse, New York, USA).
- 6 Université Clermont Auvergne, CNRS/IN2P3, LPC, Clermont-Ferrand, France.
- 7 University of Cincinnati, Cincinnati, Ohio, USA.
- 8 INFN Laboratori Nazionali di Frascati, Frascati, Italy.
- 9 Fakultät Physik, Technische Universität Dortmund, Dortmund, Germany.
- 10 European Organization for Nuclear Research (CERN), Geneva, Switzerland.
- 11 School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom.
- 12 ICCUB, Universitat de Barcelona, Barcelona, Spain.
- 13 Petersburg Nuclear Physics Institute NRC Kurchatov Institute (PNPI NRC KI), Gatchina, Russia.
- 14 Imperial College London, London, United Kingdom.
- 15 Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil.
- 16 INFN Sezione di Padova, Padova, Italy.
- 17 LAL, Univ. Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, Orsay, France.
- 18 INFN Sezione di Firenze, Firenze, Italy.
- 19 Institute of Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland.
- 20 INFN Sezione di Ferrara, Ferrara, Italy.
- 21 University of Maryland, College Park, Maryland, USA.
- 22 Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France.
- 23 Institute for High Energy Physics NRC Kurchatov Institute (IHEP NRC KI), Protvino, Russia.
- 24 Syracuse University, Syracuse, New York, USA.
- 25 Yandex School of Data Analysis, Moscow, Russia.
- 26 INFN Sezione di Cagliari, Monserrato, Italy.
- 27 Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany.
- 28 Department of Physics, University of Warwick, Coventry, United Kingdom.
- 29 School of Physics and Astronomy, University of Manchester, Manchester, United Kingdom.
- 30 INFN Sezione di Genova, Genova, Italy.
- 31 National University of Science and Technology "MISIS", Moscow, Russia [associated with Institute of Theoretical and Experimental Physics NRC Kurchatov Institute (ITEP NRC KI), Moscow, Russia, Moscow, Russia].
- 32 National Center for Nuclear Research (NCBJ), Warsaw, Poland.
- 33 INFN Sezione di Pisa, Pisa, Italy.
- 34 Centro Brasileiro de Pesquisas Físicas (CBPF), Rio de Janeiro, Brazil.
- 35 University of Chinese Academy of Sciences, Beijing, China.
- 36 INFN Sezione di Milano-Bicocca, Milano, Italy.
- 37 Institute of Theoretical and Experimental Physics NRC Kurchatov Institute (ITEP NRC KI), Moscow, Russia.
- 38 LPNHE, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, Paris, France.
- 39 I. Physikalisches Institut, RWTH Aachen University, Aachen, Germany.
- 40 Institute of Nuclear Physics, Moscow State University (SINP MSU), Moscow, Russia.
- 41 INFN Sezione di Bologna, Bologna, Italy.
- 42 Cavendish Laboratory, University of Cambridge, Cambridge, United Kingdom.
- 43 Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences, Kraków, Poland.
- 44 University of Birmingham, Birmingham, United Kingdom.
- 45 Department of Physics, University of Oxford, Oxford, United Kingdom.
- 46 INFN Sezione di Roma La Sapienza, Roma, Italy.
- 47 Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
- 48 Budker Institute of Nuclear Physics (SB RAS), Novosibirsk, Russia.
- 49 Oliver Lodge Laboratory, University of Liverpool, Liverpool, United Kingdom.
- 50 School of Physics and Technology, Wuhan University, Wuhan, China (associated with Center for High Energy Physics, Tsinghua University, Beijing, China).
- 51 INFN Sezione di Roma Tor Vergata, Roma, Italy.
- 52 Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, IN2P3-LAPP, Annecy, France.
- 53 Center for High Energy Physics, Tsinghua University, Beijing, China.
- 54 School of Physics and Astronomy, University of Edinburgh, Edinburgh, United Kingdom.
- 55 Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest-Magurele, Romania.
- 56 Los Alamos National Laboratory (LANL), Los Alamos, New Mexico, USA (associated with Syracuse University, Syracuse, New York, USA).
- 57 INFN Sezione di Bari, Bari, Italy.
- 58 Max-Planck-Institut für Kernphysik (MPIK), Heidelberg, Germany.
- 59 AGH - University of Science and Technology, Faculty of Physics and Applied Computer Science, Kraków, Poland.
- 60 National Research University Higher School of Economics, Moscow, Russia (associated with Yandex School of Data Analysis, Moscow, Russia).
- 61 Institute of Particle Physics, Central China Normal University, Wuhan, Hubei, China (associated with Center for High Energy Physics, Tsinghua University, Beijing, China).
- 62 NSC Kharkiv Institute of Physics and Technology (NSC KIPT), Kharkiv, Ukraine.
- 63 STFC Rutherford Appleton Laboratory, Didcot, United Kingdom.
- 64 Institute for Nuclear Research of the Russian Academy of Sciences (INR RAS), Moscow, Russia.
- 65 INFN Sezione di Milano, Milano, Italy.
- 66 Instituto de Fisica Corpuscular, Centro Mixto Universidad de Valencia - CSIC, Valencia, Spain (associated with ICCUB, Universitat de Barcelona, Barcelona, Spain).
- 67 Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio), Rio de Janeiro, Brazil [associated with Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil].
- 68 Institut für Physik, Universität Rostock, Rostock, Germany (associated with Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany).
- 69 Laboratory of Mathematical and Subatomic Physics, Constantine, Algeria [associated with Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil].
- 70 Nikhef National Institute for Subatomic Physics and VU University Amsterdam, Amsterdam, Netherlands.
- 71 Institute for Nuclear Research of the National Academy of Sciences (KINR), Kyiv, Ukraine.
- 72 Institute Of High Energy Physics (ihep), Beijing, China.
- 73 National Research Centre Kurchatov Institute, Moscow, Russia [associated with Institute of Theoretical and Experimental Physics NRC Kurchatov Institute (ITEP NRC KI), Moscow, Russia, Moscow, Russia].
- 74 South China Normal University, Guangzhou, China (associated with Center for High Energy Physics, Tsinghua University, Beijing, China).
- 75 School of Physics, University College Dublin, Dublin, Ireland.
- 76 Departamento de Fisica, Universidad Nacional de Colombia, Bogota, Colombia (associated with LPNHE, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, Paris, France).
- 77 Van Swinderen Institute, University of Groningen, Groningen, Netherlands (associated with Nikhef National Institute for Subatomic Physics, Amsterdam, Netherlands).
- 78 National Research Tomsk Polytechnic University, Tomsk, Russia [associated with Institute of Theoretical and Experimental Physics NRC Kurchatov Institute (ITEP NRC KI), Moscow, Russia, Moscow, Russia].
- PMID: 31050511
- DOI: 10.1103/PhysRevLett.122.152002
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Model-Independent Observation of Exotic Contributions to B^{0}→J/ψK^{+}π^{-} Decays
R Aaij et al.
Phys Rev Lett.
.
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doi: 10.1103/PhysRevLett.122.152002.
Authors
R Aaij
1
, C Abellán Beteta
2
, B Adeva
3
, M Adinolfi
4
, C A Aidala
5
, Z Ajaltouni
6
, S Akar
7
, P Albicocco
8
, J Albrecht
9
, F Alessio
10
, M Alexander
11
, A Alfonso Albero
12
, G Alkhazov
13
, P Alvarez Cartelle
14
, A A Alves
3
, S Amato
15
, S Amerio
16
, Y Amhis
17
, L An
18
, L Anderlini
18
, G Andreassi
19
, M Andreotti
20
, J E Andrews
21
, F Archilli
1
, J Arnau Romeu
22
, A Artamonov
23
, M Artuso
24
, K Arzymatov
25
, E Aslanides
22
, M Atzeni
2
, B Audurier
26
, S Bachmann
27
, J J Back
28
, S Baker
14
, V Balagura
17
, W Baldini
20
, A Baranov
25
, R J Barlow
29
, S Barsuk
17
, W Barter
29
, M Bartolini
30
, F Baryshnikov
31
, V Batozskaya
32
, B Batsukh
24
, A Battig
9
, V Battista
19
, A Bay
19
, J Beddow
11
, F Bedeschi
33
, I Bediaga
34
, A Beiter
24
, L J Bel
1
, S Belin
26
, N Beliy
35
, V Bellee
19
, N Belloli
36
, K Belous
23
, I Belyaev
37
, G Bencivenni
8
, E Ben-Haim
38
, S Benson
1
, S Beranek
39
, A Berezhnoy
40
, R Bernet
2
, D Berninghoff
27
, E Bertholet
38
, A Bertolin
16
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2
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41
10
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42
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2
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4
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43
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44
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9
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28
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24
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3
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48
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13
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10
29
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25
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3
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39
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49
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20
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26
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4
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; LHCb Collaboration
Affiliations
- 1 Nikhef National Institute for Subatomic Physics, Amsterdam, Netherlands.
- 2 Physik-Institut, Universität Zürich, Zürich, Switzerland.
- 3 Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain.
- 4 H.H. Wills Physics Laboratory, University of Bristol, Bristol, United Kingdom.
- 5 University of Michigan, Ann Arbor, Michigan, USA (associated with Syracuse University, Syracuse, New York, USA).
- 6 Université Clermont Auvergne, CNRS/IN2P3, LPC, Clermont-Ferrand, France.
- 7 University of Cincinnati, Cincinnati, Ohio, USA.
- 8 INFN Laboratori Nazionali di Frascati, Frascati, Italy.
- 9 Fakultät Physik, Technische Universität Dortmund, Dortmund, Germany.
- 10 European Organization for Nuclear Research (CERN), Geneva, Switzerland.
- 11 School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom.
- 12 ICCUB, Universitat de Barcelona, Barcelona, Spain.
- 13 Petersburg Nuclear Physics Institute NRC Kurchatov Institute (PNPI NRC KI), Gatchina, Russia.
- 14 Imperial College London, London, United Kingdom.
- 15 Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil.
- 16 INFN Sezione di Padova, Padova, Italy.
- 17 LAL, Univ. Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, Orsay, France.
- 18 INFN Sezione di Firenze, Firenze, Italy.
- 19 Institute of Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland.
- 20 INFN Sezione di Ferrara, Ferrara, Italy.
- 21 University of Maryland, College Park, Maryland, USA.
- 22 Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France.
- 23 Institute for High Energy Physics NRC Kurchatov Institute (IHEP NRC KI), Protvino, Russia.
- 24 Syracuse University, Syracuse, New York, USA.
- 25 Yandex School of Data Analysis, Moscow, Russia.
- 26 INFN Sezione di Cagliari, Monserrato, Italy.
- 27 Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany.
- 28 Department of Physics, University of Warwick, Coventry, United Kingdom.
- 29 School of Physics and Astronomy, University of Manchester, Manchester, United Kingdom.
- 30 INFN Sezione di Genova, Genova, Italy.
- 31 National University of Science and Technology "MISIS", Moscow, Russia [associated with Institute of Theoretical and Experimental Physics NRC Kurchatov Institute (ITEP NRC KI), Moscow, Russia, Moscow, Russia].
- 32 National Center for Nuclear Research (NCBJ), Warsaw, Poland.
- 33 INFN Sezione di Pisa, Pisa, Italy.
- 34 Centro Brasileiro de Pesquisas Físicas (CBPF), Rio de Janeiro, Brazil.
- 35 University of Chinese Academy of Sciences, Beijing, China.
- 36 INFN Sezione di Milano-Bicocca, Milano, Italy.
- 37 Institute of Theoretical and Experimental Physics NRC Kurchatov Institute (ITEP NRC KI), Moscow, Russia.
- 38 LPNHE, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, Paris, France.
- 39 I. Physikalisches Institut, RWTH Aachen University, Aachen, Germany.
- 40 Institute of Nuclear Physics, Moscow State University (SINP MSU), Moscow, Russia.
- 41 INFN Sezione di Bologna, Bologna, Italy.
- 42 Cavendish Laboratory, University of Cambridge, Cambridge, United Kingdom.
- 43 Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences, Kraków, Poland.
- 44 University of Birmingham, Birmingham, United Kingdom.
- 45 Department of Physics, University of Oxford, Oxford, United Kingdom.
- 46 INFN Sezione di Roma La Sapienza, Roma, Italy.
- 47 Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
- 48 Budker Institute of Nuclear Physics (SB RAS), Novosibirsk, Russia.
- 49 Oliver Lodge Laboratory, University of Liverpool, Liverpool, United Kingdom.
- 50 School of Physics and Technology, Wuhan University, Wuhan, China (associated with Center for High Energy Physics, Tsinghua University, Beijing, China).
- 51 INFN Sezione di Roma Tor Vergata, Roma, Italy.
- 52 Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, IN2P3-LAPP, Annecy, France.
- 53 Center for High Energy Physics, Tsinghua University, Beijing, China.
- 54 School of Physics and Astronomy, University of Edinburgh, Edinburgh, United Kingdom.
- 55 Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest-Magurele, Romania.
- 56 Los Alamos National Laboratory (LANL), Los Alamos, New Mexico, USA (associated with Syracuse University, Syracuse, New York, USA).
- 57 INFN Sezione di Bari, Bari, Italy.
- 58 Max-Planck-Institut für Kernphysik (MPIK), Heidelberg, Germany.
- 59 AGH - University of Science and Technology, Faculty of Physics and Applied Computer Science, Kraków, Poland.
- 60 National Research University Higher School of Economics, Moscow, Russia (associated with Yandex School of Data Analysis, Moscow, Russia).
- 61 Institute of Particle Physics, Central China Normal University, Wuhan, Hubei, China (associated with Center for High Energy Physics, Tsinghua University, Beijing, China).
- 62 NSC Kharkiv Institute of Physics and Technology (NSC KIPT), Kharkiv, Ukraine.
- 63 STFC Rutherford Appleton Laboratory, Didcot, United Kingdom.
- 64 Institute for Nuclear Research of the Russian Academy of Sciences (INR RAS), Moscow, Russia.
- 65 INFN Sezione di Milano, Milano, Italy.
- 66 Instituto de Fisica Corpuscular, Centro Mixto Universidad de Valencia - CSIC, Valencia, Spain (associated with ICCUB, Universitat de Barcelona, Barcelona, Spain).
- 67 Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio), Rio de Janeiro, Brazil [associated with Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil].
- 68 Institut für Physik, Universität Rostock, Rostock, Germany (associated with Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany).
- 69 Laboratory of Mathematical and Subatomic Physics, Constantine, Algeria [associated with Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil].
- 70 Nikhef National Institute for Subatomic Physics and VU University Amsterdam, Amsterdam, Netherlands.
- 71 Institute for Nuclear Research of the National Academy of Sciences (KINR), Kyiv, Ukraine.
- 72 Institute Of High Energy Physics (ihep), Beijing, China.
- 73 National Research Centre Kurchatov Institute, Moscow, Russia [associated with Institute of Theoretical and Experimental Physics NRC Kurchatov Institute (ITEP NRC KI), Moscow, Russia, Moscow, Russia].
- 74 South China Normal University, Guangzhou, China (associated with Center for High Energy Physics, Tsinghua University, Beijing, China).
- 75 School of Physics, University College Dublin, Dublin, Ireland.
- 76 Departamento de Fisica, Universidad Nacional de Colombia, Bogota, Colombia (associated with LPNHE, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, Paris, France).
- 77 Van Swinderen Institute, University of Groningen, Groningen, Netherlands (associated with Nikhef National Institute for Subatomic Physics, Amsterdam, Netherlands).
- 78 National Research Tomsk Polytechnic University, Tomsk, Russia [associated with Institute of Theoretical and Experimental Physics NRC Kurchatov Institute (ITEP NRC KI), Moscow, Russia, Moscow, Russia].
- PMID: 31050511
- DOI: 10.1103/PhysRevLett.122.152002
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Abstract
An angular analysis of B^{0}→J/ψK^{+}π^{-} decays is performed, using proton-proton collision data corresponding to an integrated luminosity of 3 fb^{-1} collected with the LHCb detector. The m(K^{+}π^{-}) spectrum is divided into fine bins. In each m(K^{+}π^{-}) bin, the hypothesis that the three-dimensional angular distribution can be described by structures induced only by K^{*} resonances is examined, making minimal assumptions about the K^{+}π^{-} system. The data reject the K^{*}-only hypothesis with a large significance, implying the observation of exotic contributions in a model-independent fashion. Inspection of the m(J/ψπ^{-}) vs m(K^{+}π^{-}) plane suggests structures near m(J/ψπ^{-})=4200 and 4600 MeV.
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