Observation of the B_{s}^{0}→X(3872)ϕ Decay
Affiliations
- 1 Yerevan Physics Institute, Yerevan, Armenia.
- 2 Institut für Hochenergiephysik, Wien, Austria.
- 3 Institute for Nuclear Problems, Minsk, Belarus.
- 4 Universiteit Antwerpen, Antwerpen, Belgium.
- 5 Vrije Universiteit Brussel, Brussel, Belgium.
- 6 Université Libre de Bruxelles, Bruxelles, Belgium.
- 7 Ghent University, Ghent, Belgium.
- 8 Université Catholique de Louvain, Louvain-la-Neuve, Belgium.
- 9 Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Brazil.
- 10 Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil.
- 11 Universidade Estadual Paulista, São Paulo, Brazil.
- 12 Universidade Federal do ABC, São Paulo, Brazil.
- 13 Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Sofia, Bulgaria.
- 14 University of Sofia, Sofia, Bulgaria.
- 15 Beihang University, Beijing, China.
- 16 Department of Physics, Tsinghua University, Beijing, China.
- 17 Institute of High Energy Physics, Beijing, China.
- 18 State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing, China.
- 19 Sun Yat-Sen University, Guangzhou, China.
- 20 Institute of Modern Physics and Key Laboratory of Nuclear Physics and Ion-beam Application (MOE)-Fudan University, Shanghai, China.
- 21 Zhejiang University, Hangzhou, China.
- 22 Universidad de Los Andes, Bogota, Colombia.
- 23 Universidad de Antioquia, Medellin, Colombia.
- 24 University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, Split, Croatia.
- 25 University of Split, Faculty of Science, Split, Croatia.
- 26 Institute Rudjer Boskovic, Zagreb, Croatia.
- 27 University of Cyprus, Nicosia, Cyprus.
- 28 Charles University, Prague, Czech Republic.
- 29 Escuela Politecnica Nacional, Quito, Ecuador.
- 30 Universidad San Francisco de Quito, Quito, Ecuador.
- 31 Academy of Scientific Research and Technology of the Arab Republic of Egypt, Egyptian Network of High Energy Physics, Cairo, Egypt.
- 32 Center for High Energy Physics (CHEP-FU), Fayoum University, El-Fayoum, Egypt.
- 33 National Institute of Chemical Physics and Biophysics, Tallinn, Estonia.
- 34 Department of Physics, University of Helsinki, Helsinki, Finland.
- 35 Helsinki Institute of Physics, Helsinki, Finland.
- 36 Lappeenranta University of Technology, Lappeenranta, Finland.
- 37 IRFU, CEA, Université Paris-Saclay, Gif-sur-Yvette, France.
- 38 Laboratoire Leprince-Ringuet, CNRS/IN2P3, Ecole Polytechnique, Institut Polytechnique de Paris, France.
- 39 Université de Strasbourg, CNRS, IPHC UMR 7178, Strasbourg, France.
- 40 Université de Lyon, Université Claude Bernard Lyon 1, CNRS-IN2P3, Institut de Physique Nucléaire de Lyon, Villeurbanne, France.
- 41 Georgian Technical University, Tbilisi, Georgia.
- 42 RWTH Aachen University, I. Physikalisches Institut, Aachen, Germany.
- 43 RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany.
- 44 RWTH Aachen University, III. Physikalisches Institut B, Aachen, Germany.
- 45 Deutsches Elektronen-Synchrotron, Hamburg, Germany.
- 46 University of Hamburg, Hamburg, Germany.
- 47 Karlsruher Institut fuer Technologie, Karlsruhe, Germany.
- 48 Institute of Nuclear and Particle Physics (INPP), NCSR Demokritos, Aghia Paraskevi, Greece.
- 49 National and Kapodistrian University of Athens, Athens, Greece.
- 50 National Technical University of Athens, Athens, Greece.
- 51 University of Ioánnina, Ioánnina, Greece.
- 52 MTA-ELTE Lendület CMS Particle and Nuclear Physics Group, Eötvös Loránd University, Budapest, Hungary.
- 53 Wigner Research Centre for Physics, Budapest, Hungary.
- 54 Institute of Nuclear Research ATOMKI, Debrecen, Hungary.
- 55 Institute of Physics, University of Debrecen, Debrecen, Hungary.
- 56 Eszterhazy Karoly University, Karoly Robert Campus, Gyongyos, Hungary.
- 57 Indian Institute of Science (IISc), Bangalore, India.
- 58 National Institute of Science Education and Research, HBNI, Bhubaneswar, India.
- 59 Panjab University, Chandigarh, India.
- 60 University of Delhi, Delhi, India.
- 61 Saha Institute of Nuclear Physics, HBNI, Kolkata,India.
- 62 Indian Institute of Technology Madras, Madras, India.
- 63 Bhabha Atomic Research Centre, Mumbai, India.
- 64 Tata Institute of Fundamental Research-A, Mumbai, India.
- 65 Tata Institute of Fundamental Research-B, Mumbai, India.
- 66 Indian Institute of Science Education and Research (IISER), Pune, India.
- 67 Isfahan University of Technology, Isfahan, Iran.
- 68 Institute for Research in Fundamental Sciences (IPM), Tehran, Iran.
- 69 University College Dublin, Dublin, Ireland.
- 70 INFN Sezione di Bari.
- 71 Università di Bari.
- 72 Politecnico di Bari.
- 73 INFN Sezione di Bologna, Bologna, Italy.
- 74 Università di Bologna, Bologna, Italy.
- 75 INFN Sezione di Catania, Catania, Italy.
- 76 Università di Catania, Catania, Italy.
- 77 INFN Sezione di Firenze, Firenze, Italy.
- 78 Università di Firenze, Firenze, Italy.
- 79 INFN Laboratori Nazionali di Frascati, Frascati, Italy.
- 80 INFN Sezione di Genova, Genova, Italy.
- 81 Università di Genova, Genova, Italy.
- 82 INFN Sezione di Milano-Bicocca, Milano, Italy.
- 83 Università di Milano-Bicocca, Milano, Italy.
- 84 INFN Sezione di Napoli, Napoli, Italy.
- 85 Università della Basilicata, Potenza, Italy.
- 86 Università di Napoli 'Federico II', Napoli, Italy.
- 87 Università G. Marconi, Roma, Italy.
- 88 INFN Sezione di Padova, Padova, Italy.
- 89 Università di Padova, Padova, Italy.
- 90 INFN Sezione di Pavia.
- 91 Università di Pavia.
- 92 INFN Sezione di Perugia, Perugia, Italy.
- 93 Università di Perugia, Perugia, Italy.
- 94 INFN Sezione di Pisa, Pisa, Italy.
- 95 Scuola Normale Superiore di Pisa, Pisa, Italy.
- 96 Università di Pisa, Pisa, Italy.
- 97 INFN Sezione di Roma, Rome, Italy.
- 98 Sapienza Università di Roma, Rome, Italy.
- 99 INFN Sezione di Torino, Torino, Italy.
- 100 Università di Torino, Torino, Italy.
- 101 Università del Piemonte Orientale, Novara, Italy.
- 102 INFN Sezione di Trieste, Trieste, Italy.
- 103 Università di Trieste, Trieste, Italy.
- 104 Kyungpook National University, Daegu, Korea.
- 105 Chonnam National University, Institute for Universe and Elementary Particles, Kwangju, Korea.
- 106 Hanyang University, Seoul, Korea.
- 107 Korea University, Seoul, Korea.
- 108 Kyung Hee University, Department of Physics, Seoul, Republic of Korea.
- 109 Sejong University, Seoul, Korea.
- 110 Seoul National University, Seoul, Korea.
- 111 University of Seoul, Seoul, Korea.
- 112 Yonsei University, Department of Physics, Seoul, Korea.
- 113 Sungkyunkwan University, Suwon, Korea.
- 114 Riga Technical University, Riga, Latvia.
- 115 Vilnius University, Vilnius, Lithuania.
- 116 National Centre for Particle Physics, Universiti Malaya, Kuala Lumpur, Malaysia.
- 117 Universidad de Sonora (UNISON), Hermosillo, Mexico.
- 118 Centro de Investigacion y de Estudios Avanzados del IPN, Mexico City, Mexico.
- 119 Universidad Iberoamericana, Mexico City, Mexico.
- 120 Benemerita Universidad Autonoma de Puebla, Puebla, Mexico.
- 121 Universidad Autónoma de San Luis Potosí, San Luis Potosí, Mexico.
- 122 University of Montenegro, Podgorica, Montenegro.
- 123 University of Auckland, Auckland, New Zealand.
- 124 University of Canterbury, Christchurch, New Zealand.
- 125 National Centre for Physics, Quaid-I-Azam University, Islamabad, Pakistan.
- 126 AGH University of Science and Technology Faculty of Computer Science, Electronics and Telecommunications, Krakow, Poland.
- 127 National Centre for Nuclear Research, Swierk, Poland.
- 128 Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Warsaw, Poland.
- 129 Laboratório de Instrumentação e Física Experimental de Partículas, Lisboa, Portugal.
- 130 Joint Institute for Nuclear Research, Dubna, Russia.
- 131 Petersburg Nuclear Physics Institute, Gatchina (St. Petersburg), Russia.
- 132 Institute for Nuclear Research, Moscow, Russia.
- 133 Institute for Theoretical and Experimental Physics named by A.I. Alikhanov of NRC 'Kurchatov Institute', Moscow, Russia.
- 134 Moscow Institute of Physics and Technology, Moscow, Russia.
- 135 National Research Nuclear University 'Moscow Engineering Physics Institute' (MEPhI), Moscow, Russia.
- 136 P.N. Lebedev Physical Institute, Moscow, Russia.
- 137 Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Moscow, Russia.
- 138 Novosibirsk State University (NSU), Novosibirsk, Russia.
- 139 Institute for High Energy Physics of National Research Centre 'Kurchatov Institute', Protvino, Russia.
- 140 National Research Tomsk Polytechnic University, Tomsk, Russia.
- 141 Tomsk State University, Tomsk, Russia.
- 142 University of Belgrade: Faculty of Physics and VINCA Institute of Nuclear Sciences, Serbia.
- 143 Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain.
- 144 Universidad Autónoma de Madrid, Madrid, Spain.
- 145 Universidad de Oviedo, Instituto Universitario de Ciencias y Tecnologías Espaciales de Asturias (ICTEA), Oviedo, Spain.
- 146 Instituto de Física de Cantabria (IFCA), CSIC-Universidad de Cantabria, Santander, Spain.
- 147 University of Colombo, Colombo, Sri Lanka.
- 148 University of Ruhuna, Department of Physics, Matara, Sri Lanka.
- 149 CERN, European Organization for Nuclear Research, Geneva, Switzerland.
- 150 Paul Scherrer Institut, Villigen, Switzerland.
- 151 ETH Zurich-Institute for Particle Physics and Astrophysics (IPA), Zurich, Switzerland.
- 152 Universität Zürich, Zurich, Switzerland.
- 153 National Central University, Chung-Li, Taiwan.
- 154 National Taiwan University (NTU), Taipei, Taiwan.
- 155 Chulalongkorn University, Faculty of Science, Department of Physics, Bangkok, Thailand.
- 156 Çukurova University, Physics Department, Science and Art Faculty, Adana, Turkey.
- 157 Middle East Technical University, Physics Department, Ankara, Turkey.
- 158 Bogazici University, Istanbul, Turkey.
- 159 Istanbul Technical University, Istanbul, Turkey.
- 160 Istanbul University, Istanbul, Turkey.
- 161 Institute for Scintillation Materials of National Academy of Science of Ukraine, Kharkov, Ukraine.
- 162 National Scientific Center, Kharkov Institute of Physics and Technology, Kharkov, Ukraine.
- 163 University of Bristol, Bristol, United Kingdom.
- 164 Rutherford Appleton Laboratory, Didcot, United Kingdom.
- 165 Imperial College, London, United Kingdom.
- 166 Brunel University, Uxbridge, United Kingdom.
- 167 Baylor University, Waco, Texas, USA.
- 168 Catholic University of America, Washington, DC, USA.
- 169 The University of Alabama, Tuscaloosa, Alabama, USA.
- 170 Boston University, Boston, Massachusetts, USA.
- 171 Brown University, Providence, Rhode Island, USA.
- 172 University of California, Davis, Davis, California, USA.
- 173 University of California, Los Angeles, California, USA.
- 174 University of California, Riverside, Riverside, California, USA.
- 175 University of California, San Diego, La Jolla, California, USA.
- 176 University of California, Santa Barbara-Department of Physics, Santa Barbara, California, USA.
- 177 California Institute of Technology, Pasadena, California, USA.
- 178 Carnegie Mellon University, Pittsburgh, Pennsylvania, USA.
- 179 University of Colorado Boulder, Boulder, Colorado, USA.
- 180 Cornell University, Ithaca, New York, USA.
- 181 Fermi National Accelerator Laboratory, Batavia, Illinois, USA.
- 182 University of Florida, Gainesville, Florida, USA.
- 183 Florida International University, Miami, Florida, USA.
- 184 Florida State University, Tallahassee, Florida, USA.
- 185 Florida Institute of Technology, Melbourne, Florida, USA.
- 186 University of Illinois at Chicago (UIC), Chicago, Illinois, USA.
- 187 The University of Iowa, Iowa City, Iowa, USA.
- 188 Johns Hopkins University, Baltimore, Maryland, USA.
- 189 The University of Kansas, Lawrence, Kansas, USA.
- 190 Kansas State University, Manhattan, Kansas, USA.
- 191 Lawrence Livermore National Laboratory, Livermore, California, USA.
- 192 University of Maryland, College Park, Maryland, USA.
- 193 Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
- 194 University of Minnesota, Minneapolis, Minnesota, USA.
- 195 University of Mississippi, Oxford, Mississippi, USA.
- 196 University of Nebraska-Lincoln, Lincoln, Nebraska, USA.
- 197 State University of New York at Buffalo, Buffalo, New York, USA.
- 198 Northeastern University, Boston, Massachusetts, USA.
- 199 Northwestern University, Evanston, Illinois, USA.
- 200 University of Notre Dame, Notre Dame, Indiana, USA.
- 201 The Ohio State University, Columbus, Ohio, USA.
- 202 Princeton University, Princeton, New Jersey, USA.
- 203 University of Puerto Rico, Mayaguez, Puerto Rico, USA.
- 204 Purdue University, West Lafayette, Indiana, USA.
- 205 Purdue University Northwest, Hammond, Indiana, USA.
- 206 Rice University, Houston, Texas, USA.
- 207 University of Rochester, Rochester, New York, USA.
- 208 Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA.
- 209 University of Tennessee, Knoxville, Tennessee, USA.
- 210 Texas A&M University, College Station, Texas, USA.
- 211 Texas Tech University, Lubbock, Texas, USA.
- 212 Vanderbilt University, Nashville, Tennessee, USA.
- 213 University of Virginia, Charlottesville, Virginia, USA.
- 214 Wayne State University, Detroit, Michigan, USA.
- 215 University of Wisconsin-Madison, Madison, WI, Wisconsin, USA.
- PMID: 33095627
- DOI: 10.1103/PhysRevLett.125.152001
Observation of the B_{s}^{0}→X(3872)ϕ Decay
Authors
Affiliations
- 1 Yerevan Physics Institute, Yerevan, Armenia.
- 2 Institut für Hochenergiephysik, Wien, Austria.
- 3 Institute for Nuclear Problems, Minsk, Belarus.
- 4 Universiteit Antwerpen, Antwerpen, Belgium.
- 5 Vrije Universiteit Brussel, Brussel, Belgium.
- 6 Université Libre de Bruxelles, Bruxelles, Belgium.
- 7 Ghent University, Ghent, Belgium.
- 8 Université Catholique de Louvain, Louvain-la-Neuve, Belgium.
- 9 Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Brazil.
- 10 Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil.
- 11 Universidade Estadual Paulista, São Paulo, Brazil.
- 12 Universidade Federal do ABC, São Paulo, Brazil.
- 13 Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Sofia, Bulgaria.
- 14 University of Sofia, Sofia, Bulgaria.
- 15 Beihang University, Beijing, China.
- 16 Department of Physics, Tsinghua University, Beijing, China.
- 17 Institute of High Energy Physics, Beijing, China.
- 18 State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing, China.
- 19 Sun Yat-Sen University, Guangzhou, China.
- 20 Institute of Modern Physics and Key Laboratory of Nuclear Physics and Ion-beam Application (MOE)-Fudan University, Shanghai, China.
- 21 Zhejiang University, Hangzhou, China.
- 22 Universidad de Los Andes, Bogota, Colombia.
- 23 Universidad de Antioquia, Medellin, Colombia.
- 24 University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, Split, Croatia.
- 25 University of Split, Faculty of Science, Split, Croatia.
- 26 Institute Rudjer Boskovic, Zagreb, Croatia.
- 27 University of Cyprus, Nicosia, Cyprus.
- 28 Charles University, Prague, Czech Republic.
- 29 Escuela Politecnica Nacional, Quito, Ecuador.
- 30 Universidad San Francisco de Quito, Quito, Ecuador.
- 31 Academy of Scientific Research and Technology of the Arab Republic of Egypt, Egyptian Network of High Energy Physics, Cairo, Egypt.
- 32 Center for High Energy Physics (CHEP-FU), Fayoum University, El-Fayoum, Egypt.
- 33 National Institute of Chemical Physics and Biophysics, Tallinn, Estonia.
- 34 Department of Physics, University of Helsinki, Helsinki, Finland.
- 35 Helsinki Institute of Physics, Helsinki, Finland.
- 36 Lappeenranta University of Technology, Lappeenranta, Finland.
- 37 IRFU, CEA, Université Paris-Saclay, Gif-sur-Yvette, France.
- 38 Laboratoire Leprince-Ringuet, CNRS/IN2P3, Ecole Polytechnique, Institut Polytechnique de Paris, France.
- 39 Université de Strasbourg, CNRS, IPHC UMR 7178, Strasbourg, France.
- 40 Université de Lyon, Université Claude Bernard Lyon 1, CNRS-IN2P3, Institut de Physique Nucléaire de Lyon, Villeurbanne, France.
- 41 Georgian Technical University, Tbilisi, Georgia.
- 42 RWTH Aachen University, I. Physikalisches Institut, Aachen, Germany.
- 43 RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany.
- 44 RWTH Aachen University, III. Physikalisches Institut B, Aachen, Germany.
- 45 Deutsches Elektronen-Synchrotron, Hamburg, Germany.
- 46 University of Hamburg, Hamburg, Germany.
- 47 Karlsruher Institut fuer Technologie, Karlsruhe, Germany.
- 48 Institute of Nuclear and Particle Physics (INPP), NCSR Demokritos, Aghia Paraskevi, Greece.
- 49 National and Kapodistrian University of Athens, Athens, Greece.
- 50 National Technical University of Athens, Athens, Greece.
- 51 University of Ioánnina, Ioánnina, Greece.
- 52 MTA-ELTE Lendület CMS Particle and Nuclear Physics Group, Eötvös Loránd University, Budapest, Hungary.
- 53 Wigner Research Centre for Physics, Budapest, Hungary.
- 54 Institute of Nuclear Research ATOMKI, Debrecen, Hungary.
- 55 Institute of Physics, University of Debrecen, Debrecen, Hungary.
- 56 Eszterhazy Karoly University, Karoly Robert Campus, Gyongyos, Hungary.
- 57 Indian Institute of Science (IISc), Bangalore, India.
- 58 National Institute of Science Education and Research, HBNI, Bhubaneswar, India.
- 59 Panjab University, Chandigarh, India.
- 60 University of Delhi, Delhi, India.
- 61 Saha Institute of Nuclear Physics, HBNI, Kolkata,India.
- 62 Indian Institute of Technology Madras, Madras, India.
- 63 Bhabha Atomic Research Centre, Mumbai, India.
- 64 Tata Institute of Fundamental Research-A, Mumbai, India.
- 65 Tata Institute of Fundamental Research-B, Mumbai, India.
- 66 Indian Institute of Science Education and Research (IISER), Pune, India.
- 67 Isfahan University of Technology, Isfahan, Iran.
- 68 Institute for Research in Fundamental Sciences (IPM), Tehran, Iran.
- 69 University College Dublin, Dublin, Ireland.
- 70 INFN Sezione di Bari.
- 71 Università di Bari.
- 72 Politecnico di Bari.
- 73 INFN Sezione di Bologna, Bologna, Italy.
- 74 Università di Bologna, Bologna, Italy.
- 75 INFN Sezione di Catania, Catania, Italy.
- 76 Università di Catania, Catania, Italy.
- 77 INFN Sezione di Firenze, Firenze, Italy.
- 78 Università di Firenze, Firenze, Italy.
- 79 INFN Laboratori Nazionali di Frascati, Frascati, Italy.
- 80 INFN Sezione di Genova, Genova, Italy.
- 81 Università di Genova, Genova, Italy.
- 82 INFN Sezione di Milano-Bicocca, Milano, Italy.
- 83 Università di Milano-Bicocca, Milano, Italy.
- 84 INFN Sezione di Napoli, Napoli, Italy.
- 85 Università della Basilicata, Potenza, Italy.
- 86 Università di Napoli 'Federico II', Napoli, Italy.
- 87 Università G. Marconi, Roma, Italy.
- 88 INFN Sezione di Padova, Padova, Italy.
- 89 Università di Padova, Padova, Italy.
- 90 INFN Sezione di Pavia.
- 91 Università di Pavia.
- 92 INFN Sezione di Perugia, Perugia, Italy.
- 93 Università di Perugia, Perugia, Italy.
- 94 INFN Sezione di Pisa, Pisa, Italy.
- 95 Scuola Normale Superiore di Pisa, Pisa, Italy.
- 96 Università di Pisa, Pisa, Italy.
- 97 INFN Sezione di Roma, Rome, Italy.
- 98 Sapienza Università di Roma, Rome, Italy.
- 99 INFN Sezione di Torino, Torino, Italy.
- 100 Università di Torino, Torino, Italy.
- 101 Università del Piemonte Orientale, Novara, Italy.
- 102 INFN Sezione di Trieste, Trieste, Italy.
- 103 Università di Trieste, Trieste, Italy.
- 104 Kyungpook National University, Daegu, Korea.
- 105 Chonnam National University, Institute for Universe and Elementary Particles, Kwangju, Korea.
- 106 Hanyang University, Seoul, Korea.
- 107 Korea University, Seoul, Korea.
- 108 Kyung Hee University, Department of Physics, Seoul, Republic of Korea.
- 109 Sejong University, Seoul, Korea.
- 110 Seoul National University, Seoul, Korea.
- 111 University of Seoul, Seoul, Korea.
- 112 Yonsei University, Department of Physics, Seoul, Korea.
- 113 Sungkyunkwan University, Suwon, Korea.
- 114 Riga Technical University, Riga, Latvia.
- 115 Vilnius University, Vilnius, Lithuania.
- 116 National Centre for Particle Physics, Universiti Malaya, Kuala Lumpur, Malaysia.
- 117 Universidad de Sonora (UNISON), Hermosillo, Mexico.
- 118 Centro de Investigacion y de Estudios Avanzados del IPN, Mexico City, Mexico.
- 119 Universidad Iberoamericana, Mexico City, Mexico.
- 120 Benemerita Universidad Autonoma de Puebla, Puebla, Mexico.
- 121 Universidad Autónoma de San Luis Potosí, San Luis Potosí, Mexico.
- 122 University of Montenegro, Podgorica, Montenegro.
- 123 University of Auckland, Auckland, New Zealand.
- 124 University of Canterbury, Christchurch, New Zealand.
- 125 National Centre for Physics, Quaid-I-Azam University, Islamabad, Pakistan.
- 126 AGH University of Science and Technology Faculty of Computer Science, Electronics and Telecommunications, Krakow, Poland.
- 127 National Centre for Nuclear Research, Swierk, Poland.
- 128 Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Warsaw, Poland.
- 129 Laboratório de Instrumentação e Física Experimental de Partículas, Lisboa, Portugal.
- 130 Joint Institute for Nuclear Research, Dubna, Russia.
- 131 Petersburg Nuclear Physics Institute, Gatchina (St. Petersburg), Russia.
- 132 Institute for Nuclear Research, Moscow, Russia.
- 133 Institute for Theoretical and Experimental Physics named by A.I. Alikhanov of NRC 'Kurchatov Institute', Moscow, Russia.
- 134 Moscow Institute of Physics and Technology, Moscow, Russia.
- 135 National Research Nuclear University 'Moscow Engineering Physics Institute' (MEPhI), Moscow, Russia.
- 136 P.N. Lebedev Physical Institute, Moscow, Russia.
- 137 Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Moscow, Russia.
- 138 Novosibirsk State University (NSU), Novosibirsk, Russia.
- 139 Institute for High Energy Physics of National Research Centre 'Kurchatov Institute', Protvino, Russia.
- 140 National Research Tomsk Polytechnic University, Tomsk, Russia.
- 141 Tomsk State University, Tomsk, Russia.
- 142 University of Belgrade: Faculty of Physics and VINCA Institute of Nuclear Sciences, Serbia.
- 143 Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain.
- 144 Universidad Autónoma de Madrid, Madrid, Spain.
- 145 Universidad de Oviedo, Instituto Universitario de Ciencias y Tecnologías Espaciales de Asturias (ICTEA), Oviedo, Spain.
- 146 Instituto de Física de Cantabria (IFCA), CSIC-Universidad de Cantabria, Santander, Spain.
- 147 University of Colombo, Colombo, Sri Lanka.
- 148 University of Ruhuna, Department of Physics, Matara, Sri Lanka.
- 149 CERN, European Organization for Nuclear Research, Geneva, Switzerland.
- 150 Paul Scherrer Institut, Villigen, Switzerland.
- 151 ETH Zurich-Institute for Particle Physics and Astrophysics (IPA), Zurich, Switzerland.
- 152 Universität Zürich, Zurich, Switzerland.
- 153 National Central University, Chung-Li, Taiwan.
- 154 National Taiwan University (NTU), Taipei, Taiwan.
- 155 Chulalongkorn University, Faculty of Science, Department of Physics, Bangkok, Thailand.
- 156 Çukurova University, Physics Department, Science and Art Faculty, Adana, Turkey.
- 157 Middle East Technical University, Physics Department, Ankara, Turkey.
- 158 Bogazici University, Istanbul, Turkey.
- 159 Istanbul Technical University, Istanbul, Turkey.
- 160 Istanbul University, Istanbul, Turkey.
- 161 Institute for Scintillation Materials of National Academy of Science of Ukraine, Kharkov, Ukraine.
- 162 National Scientific Center, Kharkov Institute of Physics and Technology, Kharkov, Ukraine.
- 163 University of Bristol, Bristol, United Kingdom.
- 164 Rutherford Appleton Laboratory, Didcot, United Kingdom.
- 165 Imperial College, London, United Kingdom.
- 166 Brunel University, Uxbridge, United Kingdom.
- 167 Baylor University, Waco, Texas, USA.
- 168 Catholic University of America, Washington, DC, USA.
- 169 The University of Alabama, Tuscaloosa, Alabama, USA.
- 170 Boston University, Boston, Massachusetts, USA.
- 171 Brown University, Providence, Rhode Island, USA.
- 172 University of California, Davis, Davis, California, USA.
- 173 University of California, Los Angeles, California, USA.
- 174 University of California, Riverside, Riverside, California, USA.
- 175 University of California, San Diego, La Jolla, California, USA.
- 176 University of California, Santa Barbara-Department of Physics, Santa Barbara, California, USA.
- 177 California Institute of Technology, Pasadena, California, USA.
- 178 Carnegie Mellon University, Pittsburgh, Pennsylvania, USA.
- 179 University of Colorado Boulder, Boulder, Colorado, USA.
- 180 Cornell University, Ithaca, New York, USA.
- 181 Fermi National Accelerator Laboratory, Batavia, Illinois, USA.
- 182 University of Florida, Gainesville, Florida, USA.
- 183 Florida International University, Miami, Florida, USA.
- 184 Florida State University, Tallahassee, Florida, USA.
- 185 Florida Institute of Technology, Melbourne, Florida, USA.
- 186 University of Illinois at Chicago (UIC), Chicago, Illinois, USA.
- 187 The University of Iowa, Iowa City, Iowa, USA.
- 188 Johns Hopkins University, Baltimore, Maryland, USA.
- 189 The University of Kansas, Lawrence, Kansas, USA.
- 190 Kansas State University, Manhattan, Kansas, USA.
- 191 Lawrence Livermore National Laboratory, Livermore, California, USA.
- 192 University of Maryland, College Park, Maryland, USA.
- 193 Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
- 194 University of Minnesota, Minneapolis, Minnesota, USA.
- 195 University of Mississippi, Oxford, Mississippi, USA.
- 196 University of Nebraska-Lincoln, Lincoln, Nebraska, USA.
- 197 State University of New York at Buffalo, Buffalo, New York, USA.
- 198 Northeastern University, Boston, Massachusetts, USA.
- 199 Northwestern University, Evanston, Illinois, USA.
- 200 University of Notre Dame, Notre Dame, Indiana, USA.
- 201 The Ohio State University, Columbus, Ohio, USA.
- 202 Princeton University, Princeton, New Jersey, USA.
- 203 University of Puerto Rico, Mayaguez, Puerto Rico, USA.
- 204 Purdue University, West Lafayette, Indiana, USA.
- 205 Purdue University Northwest, Hammond, Indiana, USA.
- 206 Rice University, Houston, Texas, USA.
- 207 University of Rochester, Rochester, New York, USA.
- 208 Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA.
- 209 University of Tennessee, Knoxville, Tennessee, USA.
- 210 Texas A&M University, College Station, Texas, USA.
- 211 Texas Tech University, Lubbock, Texas, USA.
- 212 Vanderbilt University, Nashville, Tennessee, USA.
- 213 University of Virginia, Charlottesville, Virginia, USA.
- 214 Wayne State University, Detroit, Michigan, USA.
- 215 University of Wisconsin-Madison, Madison, WI, Wisconsin, USA.
- PMID: 33095627
- DOI: 10.1103/PhysRevLett.125.152001
Abstract
Using a data sample of proton-proton collisions at sqrt[s]=13 TeV, corresponding to an integrated luminosity of 140 fb^{-1} collected by the CMS experiment in 2016-2018, the B_{s}^{0}→X(3872)ϕ decay is observed. Decays into J/ψπ^{+}π^{-} and K^{+}K^{-} are used to reconstruct, respectively, the X(3872) and ϕ. The ratio of the product of branching fractions B[B_{s}^{0}→X(3872)ϕ]B[X(3872)→J/ψπ^{+}π^{-}] to the product B[B_{s}^{0}→ψ(2S)ϕ]B[ψ(2S)→J/ψπ^{+}π^{-}] is measured to be [2.21±0.29(stat)±0.17(syst)]%. The ratio B[B_{s}^{0}→X(3872)ϕ]/B[B^{0}→X(3872)K^{0}] is found to be consistent with one, while the ratio B[B_{s}^{0}→X(3872)ϕ]/B[B^{+}→X(3872)K^{+}] is two times smaller. This suggests a difference in the production dynamics of the X(3872) in B^{0} and B_{s}^{0} meson decays compared to B^{+}. The reported observation may shed new light on the nature of the X(3872) particle.
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