Probing Gluon Fluctuations in Nuclei with the First Energy-Dependent Measurement of Incoherent J/ψ Photoproduction in Ultraperipheral PbPb Collisions
Affiliations
- 1 Yerevan Physics Institute, Yerevan, Armenia.
- 2 Institut für Hochenergiephysik, Vienna, Austria.
- 3 Universiteit Antwerpen, Antwerpen, Belgium.
- 4 Vrije Universiteit Brussel, Brussel, Belgium.
- 5 Université Libre de Bruxelles, Bruxelles, Belgium.
- 6 Ghent University, Ghent, Belgium.
- 7 Université Catholique de Louvain, Louvain-la-Neuve, Belgium.
- 8 Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Brazil.
- 9 Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil.
- 10 Universidade Estadual Paulista, Universidade Federal do ABC, São Paulo, Brazil.
- 11 Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Sofia, Bulgaria.
- 12 University of Sofia, Sofia, Bulgaria.
- 13 Instituto De Alta Investigación, Universidad de Tarapacá, Casilla 7 D, Arica, Chile.
- 14 Beihang University, Beijing, China.
- 15 Department of Physics, Tsinghua University, Beijing, China.
- 16 Institute of High Energy Physics, Beijing, China.
- 17 State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing, China.
- 18 Guangdong Provincial Key Laboratory of Nuclear Science and Guangdong-Hong Kong Joint Laboratory of Quantum Matter, South China Normal University, Guangzhou, China.
- 19 Sun Yat-Sen University, Guangzhou, China.
- 20 University of Science and Technology of China, Hefei, China.
- 21 Nanjing Normal University, Nanjing, China.
- 22 Institute of Modern Physics and Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) - Fudan University, Shanghai, China.
- 23 Zhejiang University, Hangzhou, Zhejiang, China.
- 24 Universidad de Los Andes, Bogota, Colombia.
- 25 Universidad de Antioquia, Medellin, Colombia.
- 26 University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, Split, Croatia.
- 27 University of Split, Faculty of Science, Split, Croatia.
- 28 Institute Rudjer Boskovic, Zagreb, Croatia.
- 29 University of Cyprus, Nicosia, Cyprus.
- 30 Charles University, Prague, Czech Republic.
- 31 Escuela Politecnica Nacional, Quito, Ecuador.
- 32 Universidad San Francisco de Quito, Quito, Ecuador.
- 33 Academy of Scientific Research and Technology of the Arab Republic of Egypt, Egyptian Network of High Energy Physics, Cairo, Egypt.
- 34 Center for High Energy Physics (CHEP-FU), Fayoum University, El-Fayoum, Egypt.
- 35 National Institute of Chemical Physics and Biophysics, Tallinn, Estonia.
- 36 Department of Physics, University of Helsinki, Helsinki, Finland.
- 37 Helsinki Institute of Physics, Helsinki, Finland.
- 38 Lappeenranta-Lahti University of Technology, Lappeenranta, Finland.
- 39 IRFU, CEA, Université Paris-Saclay, Gif-sur-Yvette, France.
- 40 Laboratoire Leprince-Ringuet, CNRS/IN2P3, Ecole Polytechnique, Institut Polytechnique de Paris, Palaiseau, France.
- 41 Université de Strasbourg, CNRS, IPHC UMR 7178, Strasbourg, France.
- 42 Centre de Calcul de l'Institut National de Physique Nucleaire et de Physique des Particules, CNRS/IN2P3, Villeurbanne, France.
- 43 Institut de Physique des 2 Infinis de Lyon (IP2I), Villeurbanne, France.
- 44 Georgian Technical University, Tbilisi, Georgia.
- 45 RWTH Aachen University, I. Physikalisches Institut, Aachen, Germany.
- 46 RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany.
- 47 RWTH Aachen University, III. Physikalisches Institut B, Aachen, Germany.
- 48 Deutsches Elektronen-Synchrotron, Hamburg, Germany.
- 49 University of Hamburg, Hamburg, Germany.
- 50 Karlsruher Institut fuer Technologie, Karlsruhe, Germany.
- 51 Institute of Nuclear and Particle Physics (INPP), NCSR Demokritos, Aghia Paraskevi, Greece.
- 52 National and Kapodistrian University of Athens, Athens, Greece.
- 53 National Technical University of Athens, Athens, Greece.
- 54 University of Ioánnina, Ioánnina, Greece.
- 55 HUN-REN Wigner Research Centre for Physics, Budapest, Hungary.
- 56 MTA-ELTE Lendület CMS Particle and Nuclear Physics Group, Eötvös Loránd University, Budapest, Hungary.
- 57 Faculty of Informatics, University of Debrecen, Debrecen, Hungary.
- 58 HUN-REN ATOMKI - Institute of Nuclear Research, Debrecen, Hungary.
- 59 Karoly Robert Campus, MATE Institute of Technology, Gyongyos, Hungary.
- 60 Panjab University, Chandigarh, India.
- 61 University of Delhi, Delhi, India.
- 62 Saha Institute of Nuclear Physics, HBNI, Kolkata, India.
- 63 Indian Institute of Technology Madras, Madras, India.
- 64 Tata Institute of Fundamental Research-A, Mumbai, India.
- 65 Tata Institute of Fundamental Research-B, Mumbai, India.
- 66 National Institute of Science Education and Research, An OCC of Homi Bhabha National Institute, Bhubaneswar, Odisha, India.
- 67 Indian Institute of Science Education and Research (IISER), Pune, India.
- 68 Isfahan University of Technology, Isfahan, Iran.
- 69 Institute for Research in Fundamental Sciences (IPM), Tehran, Iran.
- 70 University College Dublin, Dublin, Ireland.
- 71 INFN Sezione di Bari, Bari, Italy.
- 72 Università di Bari, Bari, Italy.
- 73 Politecnico di Bari, Bari, Italy.
- 74 INFN Sezione di Bologna, Bologna, Italy.
- 75 Università di Bologna, Bologna, Italy.
- 76 INFN Sezione di Catania, Catania, Italy.
- 77 Università di Catania, Catania, Italy.
- 78 INFN Sezione di Firenze, Firenze, Italy.
- 79 Università di Firenze, Firenze, Italy.
- 80 INFN Laboratori Nazionali di Frascati, Frascati, Italy.
- 81 INFN Sezione di Genova, Genova, Italy.
- 82 Università di Genova, Genova, Italy.
- 83 INFN Sezione di Milano-Bicocca, Milano, Italy.
- 84 Università di Milano-Bicocca, Milano, Italy.
- 85 INFN Sezione di Napoli, Napoli, Italy.
- 86 Università di Napoli 'Federico II', Napoli, Italy.
- 87 Università della Basilicata, Potenza, Italy.
- 88 INFN Sezione di Padova, Padova, Italy.
- 89 Università di Padova, Padova, Italy.
- 90 INFN Sezione di Pavia, Pavia, Italy.
- 91 Università di Pavia, Pavia, Italy.
- 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 Università di Siena, Siena, Italy.
- 98 INFN Sezione di Roma, Roma, Italy.
- 99 Sapienza Università di Roma, Roma, Italy.
- 100 INFN Sezione di Torino, Torino, Italy.
- 101 Università di Torino, Torino, Italy.
- 102 Università del Piemonte Orientale, Novara, Italy.
- 103 INFN Sezione di Trieste, Trieste, Italy.
- 104 Università di Trieste, Trieste, Italy.
- 105 Kyungpook National University, Daegu, Korea.
- 106 Department of Mathematics and Physics - GWNU, Gangneung, Korea.
- 107 Chonnam National University, Institute for Universe and Elementary Particles, Kwangju, Korea.
- 108 Hanyang University, Seoul, Korea.
- 109 Korea University, Seoul, Korea.
- 110 Kyung Hee University, Department of Physics, Seoul, Korea.
- 111 Sejong University, Seoul, Korea.
- 112 Seoul National University, Seoul, Korea.
- 113 University of Seoul, Seoul, Korea.
- 114 Yonsei University, Department of Physics, Seoul, Korea.
- 115 Sungkyunkwan University, Suwon, Korea.
- 116 College of Engineering and Technology, American University of the Middle East (AUM), Dasman, Kuwait.
- 117 Kuwait University - College of Science - Department of Physics, Safat, Kuwait.
- 118 Riga Technical University, Riga, Latvia.
- 119 University of Latvia (LU), Riga, Latvia.
- 120 Vilnius University, Vilnius, Lithuania.
- 121 National Centre for Particle Physics, Universiti Malaya, Kuala Lumpur, Malaysia.
- 122 Universidad de Sonora (UNISON), Hermosillo, Mexico.
- 123 Centro de Investigacion y de Estudios Avanzados del IPN, Mexico City, Mexico.
- 124 Universidad Iberoamericana, Mexico City, Mexico.
- 125 Benemerita Universidad Autonoma de Puebla, Puebla, Mexico.
- 126 University of Montenegro, Podgorica, Montenegro.
- 127 University of Canterbury, Christchurch, New Zealand.
- 128 National Centre for Physics, Quaid-I-Azam University, Islamabad, Pakistan.
- 129 AGH University of Krakow, Krakow, Poland.
- 130 National Centre for Nuclear Research, Swierk, Poland.
- 131 Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Warsaw, Poland.
- 132 Warsaw University of Technology, Warsaw, Poland.
- 133 Laboratório de Instrumentação e Física Experimental de Partículas, Lisboa, Portugal.
- 134 Faculty of Physics, University of Belgrade, Belgrade, Serbia.
- 135 VINCA Institute of Nuclear Sciences, University of Belgrade, Belgrade, Serbia.
- 136 Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain.
- 137 Universidad Autónoma de Madrid, Madrid, Spain.
- 138 Universidad de Oviedo, Instituto Universitario de Ciencias y Tecnologías Espaciales de Asturias (ICTEA), Oviedo, Spain.
- 139 Instituto de Física de Cantabria (IFCA), CSIC-Universidad de Cantabria, Santander, Spain.
- 140 University of Colombo, Colombo, Sri Lanka.
- 141 University of Ruhuna, Department of Physics, Matara, Sri Lanka.
- 142 CERN, European Organization for Nuclear Research, Geneva, Switzerland.
- 143 PSI Center for Neutron and Muon Sciences, Villigen, Switzerland.
- 144 ETH Zurich - Institute for Particle Physics and Astrophysics (IPA), Zurich, Switzerland.
- 145 Universität Zürich, Zurich, Switzerland.
- 146 National Central University, Chung-Li, Taiwan.
- 147 National Taiwan University (NTU), Taipei, Taiwan.
- 148 High Energy Physics Research Unit, Department of Physics, Faculty of Science, Chulalongkorn University, Bangkok, Thailand.
- 149 Tunis El Manar University, Tunis, Tunisia.
- 150 Çukurova University, Physics Department, Science and Art Faculty, Adana, Turkey.
- 151 Middle East Technical University, Physics Department, Ankara, Turkey.
- 152 Bogazici University, Istanbul, Turkey.
- 153 Istanbul Technical University, Istanbul, Turkey.
- 154 Istanbul University, Istanbul, Turkey.
- 155 Yildiz Technical University, Istanbul, Turkey.
- 156 Institute for Scintillation Materials of National Academy of Science of Ukraine, Kharkiv, Ukraine.
- 157 National Science Centre, Kharkiv Institute of Physics and Technology, Kharkiv, Ukraine.
- 158 University of Bristol, Bristol, United Kingdom.
- 159 Rutherford Appleton Laboratory, Didcot, United Kingdom.
- 160 Imperial College, London, United Kingdom.
- 161 Brunel University, Uxbridge, United Kingdom.
- 162 Baylor University, Waco, Texas, USA.
- 163 Catholic University of America, Washington, DC, USA.
- 164 The University of Alabama, Tuscaloosa, Alabama, USA.
- 165 Boston University, Boston, Massachusetts, USA.
- 166 Brown University, Providence, Rhode Island, USA.
- 167 University of California, Davis, Davis, California, USA.
- 168 University of California, Los Angeles, California, USA.
- 169 University of California, Riverside, Riverside, California, USA.
- 170 University of California, San Diego, La Jolla, California, USA.
- 171 University of California, Santa Barbara - Department of Physics, Santa Barbara, California, USA.
- 172 California Institute of Technology, Pasadena, California, USA.
- 173 Carnegie Mellon University, Pittsburgh, Pennsylvania, USA.
- 174 University of Colorado Boulder, Boulder, Colorado, USA.
- 175 Cornell University, Ithaca, New York, USA.
- 176 Fermi National Accelerator Laboratory, Batavia, Illinois, USA.
- 177 University of Florida, Gainesville, Florida, USA.
- 178 Florida State University, Tallahassee, Florida, USA.
- 179 Florida Institute of Technology, Melbourne, Florida, USA.
- 180 University of Illinois Chicago, Chicago, Illinois, USA.
- 181 The University of Iowa, Iowa City, Iowa, USA.
- 182 Johns Hopkins University, Baltimore, Maryland, USA.
- 183 The University of Kansas, Lawrence, Kansas, USA.
- 184 Kansas State University, Manhattan, Kansas, USA.
- 185 University of Maryland, College Park, Maryland, USA.
- 186 Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
- 187 University of Minnesota, Minneapolis, Minnesota, USA.
- 188 University of Nebraska-Lincoln, Lincoln, Nebraska, USA.
- 189 State University of New York at Buffalo, Buffalo, New York, USA.
- 190 Northeastern University, Boston, Massachusetts, USA.
- 191 Northwestern University, Evanston, Illinois, USA.
- 192 University of Notre Dame, Notre Dame, Indiana, USA.
- 193 The Ohio State University, Columbus, Ohio, USA.
- 194 Princeton University, Princeton, New Jersey, USA.
- 195 University of Puerto Rico, Mayaguez, Puerto Rico, USA.
- 196 Purdue University, West Lafayette, Indiana, USA.
- 197 Purdue University Northwest, Hammond, Indiana, USA.
- 198 Rice University, Houston, Texas, USA.
- 199 University of Rochester, Rochester, New York, USA.
- 200 Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA.
- 201 University of Tennessee, Knoxville, Tennessee, USA.
- 202 Texas A and M University, College Station, Texas, USA.
- 203 Texas Tech University, Lubbock, Texas, USA.
- 204 Vanderbilt University, Nashville, Tennessee, USA.
- 205 University of Virginia, Charlottesville, Virginia, USA.
- 206 Wayne State University, Detroit, Michigan, USA.
- 207 University of Wisconsin - Madison, Madison, Wisconsin, USA.
- 208 An institute or international laboratory covered by a cooperation agreement with CERN.
- PMID: 41004769
- DOI: 10.1103/w9kp-f8xr
Probing Gluon Fluctuations in Nuclei with the First Energy-Dependent Measurement of Incoherent J/ψ Photoproduction in Ultraperipheral PbPb Collisions
Authors
Affiliations
- 1 Yerevan Physics Institute, Yerevan, Armenia.
- 2 Institut für Hochenergiephysik, Vienna, Austria.
- 3 Universiteit Antwerpen, Antwerpen, Belgium.
- 4 Vrije Universiteit Brussel, Brussel, Belgium.
- 5 Université Libre de Bruxelles, Bruxelles, Belgium.
- 6 Ghent University, Ghent, Belgium.
- 7 Université Catholique de Louvain, Louvain-la-Neuve, Belgium.
- 8 Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Brazil.
- 9 Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil.
- 10 Universidade Estadual Paulista, Universidade Federal do ABC, São Paulo, Brazil.
- 11 Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Sofia, Bulgaria.
- 12 University of Sofia, Sofia, Bulgaria.
- 13 Instituto De Alta Investigación, Universidad de Tarapacá, Casilla 7 D, Arica, Chile.
- 14 Beihang University, Beijing, China.
- 15 Department of Physics, Tsinghua University, Beijing, China.
- 16 Institute of High Energy Physics, Beijing, China.
- 17 State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing, China.
- 18 Guangdong Provincial Key Laboratory of Nuclear Science and Guangdong-Hong Kong Joint Laboratory of Quantum Matter, South China Normal University, Guangzhou, China.
- 19 Sun Yat-Sen University, Guangzhou, China.
- 20 University of Science and Technology of China, Hefei, China.
- 21 Nanjing Normal University, Nanjing, China.
- 22 Institute of Modern Physics and Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) - Fudan University, Shanghai, China.
- 23 Zhejiang University, Hangzhou, Zhejiang, China.
- 24 Universidad de Los Andes, Bogota, Colombia.
- 25 Universidad de Antioquia, Medellin, Colombia.
- 26 University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, Split, Croatia.
- 27 University of Split, Faculty of Science, Split, Croatia.
- 28 Institute Rudjer Boskovic, Zagreb, Croatia.
- 29 University of Cyprus, Nicosia, Cyprus.
- 30 Charles University, Prague, Czech Republic.
- 31 Escuela Politecnica Nacional, Quito, Ecuador.
- 32 Universidad San Francisco de Quito, Quito, Ecuador.
- 33 Academy of Scientific Research and Technology of the Arab Republic of Egypt, Egyptian Network of High Energy Physics, Cairo, Egypt.
- 34 Center for High Energy Physics (CHEP-FU), Fayoum University, El-Fayoum, Egypt.
- 35 National Institute of Chemical Physics and Biophysics, Tallinn, Estonia.
- 36 Department of Physics, University of Helsinki, Helsinki, Finland.
- 37 Helsinki Institute of Physics, Helsinki, Finland.
- 38 Lappeenranta-Lahti University of Technology, Lappeenranta, Finland.
- 39 IRFU, CEA, Université Paris-Saclay, Gif-sur-Yvette, France.
- 40 Laboratoire Leprince-Ringuet, CNRS/IN2P3, Ecole Polytechnique, Institut Polytechnique de Paris, Palaiseau, France.
- 41 Université de Strasbourg, CNRS, IPHC UMR 7178, Strasbourg, France.
- 42 Centre de Calcul de l'Institut National de Physique Nucleaire et de Physique des Particules, CNRS/IN2P3, Villeurbanne, France.
- 43 Institut de Physique des 2 Infinis de Lyon (IP2I), Villeurbanne, France.
- 44 Georgian Technical University, Tbilisi, Georgia.
- 45 RWTH Aachen University, I. Physikalisches Institut, Aachen, Germany.
- 46 RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany.
- 47 RWTH Aachen University, III. Physikalisches Institut B, Aachen, Germany.
- 48 Deutsches Elektronen-Synchrotron, Hamburg, Germany.
- 49 University of Hamburg, Hamburg, Germany.
- 50 Karlsruher Institut fuer Technologie, Karlsruhe, Germany.
- 51 Institute of Nuclear and Particle Physics (INPP), NCSR Demokritos, Aghia Paraskevi, Greece.
- 52 National and Kapodistrian University of Athens, Athens, Greece.
- 53 National Technical University of Athens, Athens, Greece.
- 54 University of Ioánnina, Ioánnina, Greece.
- 55 HUN-REN Wigner Research Centre for Physics, Budapest, Hungary.
- 56 MTA-ELTE Lendület CMS Particle and Nuclear Physics Group, Eötvös Loránd University, Budapest, Hungary.
- 57 Faculty of Informatics, University of Debrecen, Debrecen, Hungary.
- 58 HUN-REN ATOMKI - Institute of Nuclear Research, Debrecen, Hungary.
- 59 Karoly Robert Campus, MATE Institute of Technology, Gyongyos, Hungary.
- 60 Panjab University, Chandigarh, India.
- 61 University of Delhi, Delhi, India.
- 62 Saha Institute of Nuclear Physics, HBNI, Kolkata, India.
- 63 Indian Institute of Technology Madras, Madras, India.
- 64 Tata Institute of Fundamental Research-A, Mumbai, India.
- 65 Tata Institute of Fundamental Research-B, Mumbai, India.
- 66 National Institute of Science Education and Research, An OCC of Homi Bhabha National Institute, Bhubaneswar, Odisha, India.
- 67 Indian Institute of Science Education and Research (IISER), Pune, India.
- 68 Isfahan University of Technology, Isfahan, Iran.
- 69 Institute for Research in Fundamental Sciences (IPM), Tehran, Iran.
- 70 University College Dublin, Dublin, Ireland.
- 71 INFN Sezione di Bari, Bari, Italy.
- 72 Università di Bari, Bari, Italy.
- 73 Politecnico di Bari, Bari, Italy.
- 74 INFN Sezione di Bologna, Bologna, Italy.
- 75 Università di Bologna, Bologna, Italy.
- 76 INFN Sezione di Catania, Catania, Italy.
- 77 Università di Catania, Catania, Italy.
- 78 INFN Sezione di Firenze, Firenze, Italy.
- 79 Università di Firenze, Firenze, Italy.
- 80 INFN Laboratori Nazionali di Frascati, Frascati, Italy.
- 81 INFN Sezione di Genova, Genova, Italy.
- 82 Università di Genova, Genova, Italy.
- 83 INFN Sezione di Milano-Bicocca, Milano, Italy.
- 84 Università di Milano-Bicocca, Milano, Italy.
- 85 INFN Sezione di Napoli, Napoli, Italy.
- 86 Università di Napoli 'Federico II', Napoli, Italy.
- 87 Università della Basilicata, Potenza, Italy.
- 88 INFN Sezione di Padova, Padova, Italy.
- 89 Università di Padova, Padova, Italy.
- 90 INFN Sezione di Pavia, Pavia, Italy.
- 91 Università di Pavia, Pavia, Italy.
- 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 Università di Siena, Siena, Italy.
- 98 INFN Sezione di Roma, Roma, Italy.
- 99 Sapienza Università di Roma, Roma, Italy.
- 100 INFN Sezione di Torino, Torino, Italy.
- 101 Università di Torino, Torino, Italy.
- 102 Università del Piemonte Orientale, Novara, Italy.
- 103 INFN Sezione di Trieste, Trieste, Italy.
- 104 Università di Trieste, Trieste, Italy.
- 105 Kyungpook National University, Daegu, Korea.
- 106 Department of Mathematics and Physics - GWNU, Gangneung, Korea.
- 107 Chonnam National University, Institute for Universe and Elementary Particles, Kwangju, Korea.
- 108 Hanyang University, Seoul, Korea.
- 109 Korea University, Seoul, Korea.
- 110 Kyung Hee University, Department of Physics, Seoul, Korea.
- 111 Sejong University, Seoul, Korea.
- 112 Seoul National University, Seoul, Korea.
- 113 University of Seoul, Seoul, Korea.
- 114 Yonsei University, Department of Physics, Seoul, Korea.
- 115 Sungkyunkwan University, Suwon, Korea.
- 116 College of Engineering and Technology, American University of the Middle East (AUM), Dasman, Kuwait.
- 117 Kuwait University - College of Science - Department of Physics, Safat, Kuwait.
- 118 Riga Technical University, Riga, Latvia.
- 119 University of Latvia (LU), Riga, Latvia.
- 120 Vilnius University, Vilnius, Lithuania.
- 121 National Centre for Particle Physics, Universiti Malaya, Kuala Lumpur, Malaysia.
- 122 Universidad de Sonora (UNISON), Hermosillo, Mexico.
- 123 Centro de Investigacion y de Estudios Avanzados del IPN, Mexico City, Mexico.
- 124 Universidad Iberoamericana, Mexico City, Mexico.
- 125 Benemerita Universidad Autonoma de Puebla, Puebla, Mexico.
- 126 University of Montenegro, Podgorica, Montenegro.
- 127 University of Canterbury, Christchurch, New Zealand.
- 128 National Centre for Physics, Quaid-I-Azam University, Islamabad, Pakistan.
- 129 AGH University of Krakow, Krakow, Poland.
- 130 National Centre for Nuclear Research, Swierk, Poland.
- 131 Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Warsaw, Poland.
- 132 Warsaw University of Technology, Warsaw, Poland.
- 133 Laboratório de Instrumentação e Física Experimental de Partículas, Lisboa, Portugal.
- 134 Faculty of Physics, University of Belgrade, Belgrade, Serbia.
- 135 VINCA Institute of Nuclear Sciences, University of Belgrade, Belgrade, Serbia.
- 136 Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain.
- 137 Universidad Autónoma de Madrid, Madrid, Spain.
- 138 Universidad de Oviedo, Instituto Universitario de Ciencias y Tecnologías Espaciales de Asturias (ICTEA), Oviedo, Spain.
- 139 Instituto de Física de Cantabria (IFCA), CSIC-Universidad de Cantabria, Santander, Spain.
- 140 University of Colombo, Colombo, Sri Lanka.
- 141 University of Ruhuna, Department of Physics, Matara, Sri Lanka.
- 142 CERN, European Organization for Nuclear Research, Geneva, Switzerland.
- 143 PSI Center for Neutron and Muon Sciences, Villigen, Switzerland.
- 144 ETH Zurich - Institute for Particle Physics and Astrophysics (IPA), Zurich, Switzerland.
- 145 Universität Zürich, Zurich, Switzerland.
- 146 National Central University, Chung-Li, Taiwan.
- 147 National Taiwan University (NTU), Taipei, Taiwan.
- 148 High Energy Physics Research Unit, Department of Physics, Faculty of Science, Chulalongkorn University, Bangkok, Thailand.
- 149 Tunis El Manar University, Tunis, Tunisia.
- 150 Çukurova University, Physics Department, Science and Art Faculty, Adana, Turkey.
- 151 Middle East Technical University, Physics Department, Ankara, Turkey.
- 152 Bogazici University, Istanbul, Turkey.
- 153 Istanbul Technical University, Istanbul, Turkey.
- 154 Istanbul University, Istanbul, Turkey.
- 155 Yildiz Technical University, Istanbul, Turkey.
- 156 Institute for Scintillation Materials of National Academy of Science of Ukraine, Kharkiv, Ukraine.
- 157 National Science Centre, Kharkiv Institute of Physics and Technology, Kharkiv, Ukraine.
- 158 University of Bristol, Bristol, United Kingdom.
- 159 Rutherford Appleton Laboratory, Didcot, United Kingdom.
- 160 Imperial College, London, United Kingdom.
- 161 Brunel University, Uxbridge, United Kingdom.
- 162 Baylor University, Waco, Texas, USA.
- 163 Catholic University of America, Washington, DC, USA.
- 164 The University of Alabama, Tuscaloosa, Alabama, USA.
- 165 Boston University, Boston, Massachusetts, USA.
- 166 Brown University, Providence, Rhode Island, USA.
- 167 University of California, Davis, Davis, California, USA.
- 168 University of California, Los Angeles, California, USA.
- 169 University of California, Riverside, Riverside, California, USA.
- 170 University of California, San Diego, La Jolla, California, USA.
- 171 University of California, Santa Barbara - Department of Physics, Santa Barbara, California, USA.
- 172 California Institute of Technology, Pasadena, California, USA.
- 173 Carnegie Mellon University, Pittsburgh, Pennsylvania, USA.
- 174 University of Colorado Boulder, Boulder, Colorado, USA.
- 175 Cornell University, Ithaca, New York, USA.
- 176 Fermi National Accelerator Laboratory, Batavia, Illinois, USA.
- 177 University of Florida, Gainesville, Florida, USA.
- 178 Florida State University, Tallahassee, Florida, USA.
- 179 Florida Institute of Technology, Melbourne, Florida, USA.
- 180 University of Illinois Chicago, Chicago, Illinois, USA.
- 181 The University of Iowa, Iowa City, Iowa, USA.
- 182 Johns Hopkins University, Baltimore, Maryland, USA.
- 183 The University of Kansas, Lawrence, Kansas, USA.
- 184 Kansas State University, Manhattan, Kansas, USA.
- 185 University of Maryland, College Park, Maryland, USA.
- 186 Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
- 187 University of Minnesota, Minneapolis, Minnesota, USA.
- 188 University of Nebraska-Lincoln, Lincoln, Nebraska, USA.
- 189 State University of New York at Buffalo, Buffalo, New York, USA.
- 190 Northeastern University, Boston, Massachusetts, USA.
- 191 Northwestern University, Evanston, Illinois, USA.
- 192 University of Notre Dame, Notre Dame, Indiana, USA.
- 193 The Ohio State University, Columbus, Ohio, USA.
- 194 Princeton University, Princeton, New Jersey, USA.
- 195 University of Puerto Rico, Mayaguez, Puerto Rico, USA.
- 196 Purdue University, West Lafayette, Indiana, USA.
- 197 Purdue University Northwest, Hammond, Indiana, USA.
- 198 Rice University, Houston, Texas, USA.
- 199 University of Rochester, Rochester, New York, USA.
- 200 Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA.
- 201 University of Tennessee, Knoxville, Tennessee, USA.
- 202 Texas A and M University, College Station, Texas, USA.
- 203 Texas Tech University, Lubbock, Texas, USA.
- 204 Vanderbilt University, Nashville, Tennessee, USA.
- 205 University of Virginia, Charlottesville, Virginia, USA.
- 206 Wayne State University, Detroit, Michigan, USA.
- 207 University of Wisconsin - Madison, Madison, Wisconsin, USA.
- 208 An institute or international laboratory covered by a cooperation agreement with CERN.
- PMID: 41004769
- DOI: 10.1103/w9kp-f8xr
Abstract
Incoherent J/ψ photoproduction in heavy ion ultraperipheral collisions (UPCs) provides a sensitive probe of localized, fluctuating gluonic structures within heavy nuclei. This Letter reports the first measurement of the photon-nucleon center-of-mass energy (W_{γN}) dependence of this process in PbPb UPCs at a nucleon-nucleon center-of-mass energy of 5.02 TeV, using 1.52 nb^{-1} of data recorded by the CMS experiment. The measurement covers a wide W_{γN} range of ≈40-400 GeV, probing gluons carrying a fraction x of nucleon momentum down to an unexplored regime of 6.5×10^{-5}. Compared to baseline predictions neglecting nuclear effects, the measured cross sections exhibit significantly greater suppression at lower x. Additionally, the ratio of incoherent to coherent photoproduction is found to be constant across the probed W_{γN} and x range, disfavoring the establishment of the black disk limit. This Letter provides critical insights into the x-dependent evolution of fluctuating gluonic structures within nuclei and calls for further advancements in theoretical models incorporating nuclear shadowing and gluon saturation.
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