Evidence of a J/ψK_{S}^{0} Structure in B^{0}→J/ψϕK_{S}^{0} Decays
Affiliations
- 1 Nikhef National Institute for Subatomic Physics, Amsterdam, Netherlands.
- 2 Department of Physics, University of Warwick, Coventry, United Kingdom.
- 3 Physik-Institut, Universität Zürich, Zürich, Switzerland.
- 4 Oliver Lodge Laboratory, University of Liverpool, Liverpool, United Kingdom.
- 5 Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain.
- 6 H.H. Wills Physics Laboratory, University of Bristol, Bristol, United Kingdom.
- 7 Department of Physics and Astronomy, Uppsala University, Uppsala, Sweden (associated with Institution School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom).
- 8 Université Clermont Auvergne, CNRS/IN2P3, LPC, Clermont-Ferrand, France.
- 9 LPNHE, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, Paris, France.
- 10 University of Michigan, Ann Arbor, 48109 Michigan, USA (associated with Institution Syracuse University, Syracuse, New York, USA).
- 11 University of Cincinnati, Cincinnati, 45221 Ohio, USA.
- 12 INFN Laboratori Nazionali di Frascati, Frascati, Italy.
- 13 Fakultät Physik, Technische Universität Dortmund, Dortmund, Germany.
- 14 European Organization for Nuclear Research (CERN), Geneva, Switzerland.
- 15 School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom.
- 16 ICCUB, Universitat de Barcelona, Barcelona, Spain.
- 17 Department of Physics and Astronomy, University of Manchester, Manchester, United Kingdom.
- 18 Cavendish Laboratory, University of Cambridge, Cambridge, United Kingdom.
- 19 Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil.
- 20 Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France.
- 21 INFN Sezione di Firenze, Firenze, Italy.
- 22 Affiliated with an institute covered by a cooperation agreement with CERN.
- 23 INFN Sezione di Ferrara, Ferrara, Italy.
- 24 Syracuse University, Syracuse, 13244 New York, USA.
- 25 University of Chinese Academy of Sciences, Beijing, China.
- 26 INFN Sezione di Roma Tor Vergata, Roma, Italy.
- 27 Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France.
- 28 Laboratoire Leprince-Ringuet, CNRS/IN2P3, Ecole Polytechnique, Institut Polytechnique de Paris, Palaiseau, France.
- 29 Université Savoie Mont Blanc, CNRS, IN2P3-LAPP, Annecy, France.
- 30 Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany.
- 31 Institute of Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland.
- 32 Centro Brasileiro de Pesquisas Físicas (CBPF), Rio de Janeiro, Brazil.
- 33 School of Physics and Astronomy, University of Edinburgh, Edinburgh, United Kingdom.
- 34 I. Physikalisches Institut, RWTH Aachen University, Aachen, Germany.
- 35 INFN Sezione di Pisa, Pisa, Italy.
- 36 Institute of High Energy Physics (IHEP), Beijing, China.
- 37 DS4DS, La Salle, Universitat Ramon Llull, Barcelona, Spain (associated with Institution ICCUB, Universitat de Barcelona, Barcelona, Spain).
- 38 Università degli Studi di Padova, Università e INFN, Padova, Padova, Italy.
- 39 Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences, Kraków, Poland.
- 40 School of Physics and Technology, Wuhan University, Wuhan, China (associated with Institution Center for High Energy Physics, Tsinghua University, Beijing, China).
- 41 Imperial College London, London, United Kingdom.
- 42 Center for High Energy Physics, Tsinghua University, Beijing, China.
- 43 School of Physics State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing, China.
- 44 Institute of Particle Physics, Central China Normal University, Wuhan, Hubei, China.
- 45 Max-Planck-Institut für Kernphysik (MPIK), Heidelberg, Germany.
- 46 School of Physics, University College Dublin, Dublin, Ireland.
- 47 INFN Sezione di Bari, Bari, Italy.
- 48 INFN Sezione di Bologna, Bologna, Italy.
- 49 INFN Sezione di Genova, Genova, Italy.
- 50 INFN Sezione di Milano, Milano, Italy.
- 51 INFN Sezione di Milano-Bicocca, Milano, Italy.
- 52 INFN Sezione di Cagliari, Monserrato, Italy.
- 53 INFN Sezione di Roma La Sapienza, Roma, Italy.
- 54 Nikhef National Institute for Subatomic Physics and VU University Amsterdam, Amsterdam, Netherlands.
- 55 AGH - University of Science and Technology, Faculty of Physics and Applied Computer Science, Kraków, Poland.
- 56 National Center for Nuclear Research (NCBJ), Warsaw, Poland.
- 57 Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest-Magurele, Romania.
- 58 Instituto de Fisica Corpuscular, Centro Mixto Universidad de Valencia - CSIC, Valencia, Spain.
- 59 NSC Kharkiv Institute of Physics and Technology (NSC KIPT), Kharkiv, Ukraine.
- 60 Institute for Nuclear Research of the National Academy of Sciences (KINR), Kyiv, Ukraine.
- 61 University of Birmingham, Birmingham, United Kingdom.
- 62 STFC Rutherford Appleton Laboratory, Didcot, United Kingdom.
- 63 Department of Physics, University of Oxford, Oxford, United Kingdom.
- 64 Massachusetts Institute of Technology, Cambridge, 02139 Massachusetts, USA.
- 65 University of Maryland, College Park, 20742 Maryland, USA.
- 66 Los Alamos National Laboratory (LANL), Los Alamos, 87545 New Mexico, USA.
- 67 School of Physics and Astronomy, Monash University, Melbourne, Australia (associated with Institution Department of Physics, University of Warwick, Coventry, United Kingdom).
- 68 Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio), Rio de Janeiro, Brazil (associated with Institution Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil).
- 69 Physics and Micro Electronic College, Hunan University, Changsha City, China (associated with Institution Institute of Particle Physics, Central China Normal University, Wuhan, Hubei, China).
- 70 Guangdong Provincial Key Laboratory of Nuclear Science, Guangdong-Hong Kong Joint Laboratory of Quantum Matter, Institute of Quantum Matter, South China Normal University, Guangzhou, China (associated with Institution Center for High Energy Physics, Tsinghua University, Beijing, China).
- 71 Lanzhou University, Lanzhou, China (associated with Institution Institute Of High Energy Physics (IHEP), Beijing, China).
- 72 Departamento de Fisica, Universidad Nacional de Colombia, Bogota, Colombia (associated with Institution LPNHE, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, Paris, France).
- 73 Universität Bonn - Helmholtz-Institut für Strahlen und Kernphysik, Bonn, Germany (associated with Institution Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany).
- 74 Eotvos Lorand University, Budapest, Hungary (associated with Institution European Organization for Nuclear Research (CERN), Geneva, Switzerland).
- 75 INFN Sezione di Perugia, Perugia, Italy (associated with Institution INFN Sezione di Ferrara, Ferrara, Italy).
- 76 Van Swinderen Institute, University of Groningen, Groningen, Netherlands (associated with Institution Nikhef National Institute for Subatomic Physics, Amsterdam, Netherlands).
- 77 Universiteit Maastricht, Maastricht, Netherlands (associated with Institution Nikhef National Institute for Subatomic Physics, Amsterdam, Netherlands).
- 78 Tadeusz Kosciuszko Cracow University of Technology, Cracow, Poland (associated with Institution Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences, Kraków, Poland).
- PMID: 37832008
- DOI: 10.1103/PhysRevLett.131.131901
Evidence of a J/ψK_{S}^{0} Structure in B^{0}→J/ψϕK_{S}^{0} Decays
Authors
Affiliations
- 1 Nikhef National Institute for Subatomic Physics, Amsterdam, Netherlands.
- 2 Department of Physics, University of Warwick, Coventry, United Kingdom.
- 3 Physik-Institut, Universität Zürich, Zürich, Switzerland.
- 4 Oliver Lodge Laboratory, University of Liverpool, Liverpool, United Kingdom.
- 5 Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain.
- 6 H.H. Wills Physics Laboratory, University of Bristol, Bristol, United Kingdom.
- 7 Department of Physics and Astronomy, Uppsala University, Uppsala, Sweden (associated with Institution School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom).
- 8 Université Clermont Auvergne, CNRS/IN2P3, LPC, Clermont-Ferrand, France.
- 9 LPNHE, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, Paris, France.
- 10 University of Michigan, Ann Arbor, 48109 Michigan, USA (associated with Institution Syracuse University, Syracuse, New York, USA).
- 11 University of Cincinnati, Cincinnati, 45221 Ohio, USA.
- 12 INFN Laboratori Nazionali di Frascati, Frascati, Italy.
- 13 Fakultät Physik, Technische Universität Dortmund, Dortmund, Germany.
- 14 European Organization for Nuclear Research (CERN), Geneva, Switzerland.
- 15 School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom.
- 16 ICCUB, Universitat de Barcelona, Barcelona, Spain.
- 17 Department of Physics and Astronomy, University of Manchester, Manchester, United Kingdom.
- 18 Cavendish Laboratory, University of Cambridge, Cambridge, United Kingdom.
- 19 Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil.
- 20 Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France.
- 21 INFN Sezione di Firenze, Firenze, Italy.
- 22 Affiliated with an institute covered by a cooperation agreement with CERN.
- 23 INFN Sezione di Ferrara, Ferrara, Italy.
- 24 Syracuse University, Syracuse, 13244 New York, USA.
- 25 University of Chinese Academy of Sciences, Beijing, China.
- 26 INFN Sezione di Roma Tor Vergata, Roma, Italy.
- 27 Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France.
- 28 Laboratoire Leprince-Ringuet, CNRS/IN2P3, Ecole Polytechnique, Institut Polytechnique de Paris, Palaiseau, France.
- 29 Université Savoie Mont Blanc, CNRS, IN2P3-LAPP, Annecy, France.
- 30 Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany.
- 31 Institute of Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland.
- 32 Centro Brasileiro de Pesquisas Físicas (CBPF), Rio de Janeiro, Brazil.
- 33 School of Physics and Astronomy, University of Edinburgh, Edinburgh, United Kingdom.
- 34 I. Physikalisches Institut, RWTH Aachen University, Aachen, Germany.
- 35 INFN Sezione di Pisa, Pisa, Italy.
- 36 Institute of High Energy Physics (IHEP), Beijing, China.
- 37 DS4DS, La Salle, Universitat Ramon Llull, Barcelona, Spain (associated with Institution ICCUB, Universitat de Barcelona, Barcelona, Spain).
- 38 Università degli Studi di Padova, Università e INFN, Padova, Padova, Italy.
- 39 Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences, Kraków, Poland.
- 40 School of Physics and Technology, Wuhan University, Wuhan, China (associated with Institution Center for High Energy Physics, Tsinghua University, Beijing, China).
- 41 Imperial College London, London, United Kingdom.
- 42 Center for High Energy Physics, Tsinghua University, Beijing, China.
- 43 School of Physics State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing, China.
- 44 Institute of Particle Physics, Central China Normal University, Wuhan, Hubei, China.
- 45 Max-Planck-Institut für Kernphysik (MPIK), Heidelberg, Germany.
- 46 School of Physics, University College Dublin, Dublin, Ireland.
- 47 INFN Sezione di Bari, Bari, Italy.
- 48 INFN Sezione di Bologna, Bologna, Italy.
- 49 INFN Sezione di Genova, Genova, Italy.
- 50 INFN Sezione di Milano, Milano, Italy.
- 51 INFN Sezione di Milano-Bicocca, Milano, Italy.
- 52 INFN Sezione di Cagliari, Monserrato, Italy.
- 53 INFN Sezione di Roma La Sapienza, Roma, Italy.
- 54 Nikhef National Institute for Subatomic Physics and VU University Amsterdam, Amsterdam, Netherlands.
- 55 AGH - University of Science and Technology, Faculty of Physics and Applied Computer Science, Kraków, Poland.
- 56 National Center for Nuclear Research (NCBJ), Warsaw, Poland.
- 57 Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest-Magurele, Romania.
- 58 Instituto de Fisica Corpuscular, Centro Mixto Universidad de Valencia - CSIC, Valencia, Spain.
- 59 NSC Kharkiv Institute of Physics and Technology (NSC KIPT), Kharkiv, Ukraine.
- 60 Institute for Nuclear Research of the National Academy of Sciences (KINR), Kyiv, Ukraine.
- 61 University of Birmingham, Birmingham, United Kingdom.
- 62 STFC Rutherford Appleton Laboratory, Didcot, United Kingdom.
- 63 Department of Physics, University of Oxford, Oxford, United Kingdom.
- 64 Massachusetts Institute of Technology, Cambridge, 02139 Massachusetts, USA.
- 65 University of Maryland, College Park, 20742 Maryland, USA.
- 66 Los Alamos National Laboratory (LANL), Los Alamos, 87545 New Mexico, USA.
- 67 School of Physics and Astronomy, Monash University, Melbourne, Australia (associated with Institution Department of Physics, University of Warwick, Coventry, United Kingdom).
- 68 Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio), Rio de Janeiro, Brazil (associated with Institution Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil).
- 69 Physics and Micro Electronic College, Hunan University, Changsha City, China (associated with Institution Institute of Particle Physics, Central China Normal University, Wuhan, Hubei, China).
- 70 Guangdong Provincial Key Laboratory of Nuclear Science, Guangdong-Hong Kong Joint Laboratory of Quantum Matter, Institute of Quantum Matter, South China Normal University, Guangzhou, China (associated with Institution Center for High Energy Physics, Tsinghua University, Beijing, China).
- 71 Lanzhou University, Lanzhou, China (associated with Institution Institute Of High Energy Physics (IHEP), Beijing, China).
- 72 Departamento de Fisica, Universidad Nacional de Colombia, Bogota, Colombia (associated with Institution LPNHE, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, Paris, France).
- 73 Universität Bonn - Helmholtz-Institut für Strahlen und Kernphysik, Bonn, Germany (associated with Institution Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany).
- 74 Eotvos Lorand University, Budapest, Hungary (associated with Institution European Organization for Nuclear Research (CERN), Geneva, Switzerland).
- 75 INFN Sezione di Perugia, Perugia, Italy (associated with Institution INFN Sezione di Ferrara, Ferrara, Italy).
- 76 Van Swinderen Institute, University of Groningen, Groningen, Netherlands (associated with Institution Nikhef National Institute for Subatomic Physics, Amsterdam, Netherlands).
- 77 Universiteit Maastricht, Maastricht, Netherlands (associated with Institution Nikhef National Institute for Subatomic Physics, Amsterdam, Netherlands).
- 78 Tadeusz Kosciuszko Cracow University of Technology, Cracow, Poland (associated with Institution Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences, Kraków, Poland).
- PMID: 37832008
- DOI: 10.1103/PhysRevLett.131.131901
Abstract
An amplitude analysis of B^{0}→J/ψϕK_{S}^{0} decays is performed using proton-proton collision data, corresponding to an integrated luminosity of 9 fb^{-1}, collected with the LHCb detector at center-of-mass energies of 7, 8, and 13 TeV. Evidence with a significance of 4.0 standard deviations of a structure in the J/ψK_{S}^{0} system, named T_{ψs1}^{θ}(4000)^{0}, is seen, with its mass and width measured to be 3991_{-10}^{+12} _{-17}^{+9} MeV/c^{2} and 105_{-25}^{+29} _{-23}^{+17} MeV, respectively, where the first uncertainty is statistical and the second systematic. The T_{ψs1}^{θ}(4000)^{0} state is likely to be the isospin partner of the T_{ψs1}^{θ}(4000)^{+} state, previously observed in the J/ψK^{+} system of the B^{+}→J/ψϕK^{+} decay. When isospin symmetry for the charged and neutral T_{ψs1}^{θ}(4000) states is assumed, the signal significance increases to 5.4 standard deviations.
