Accès ouvert déclaré
2024
preprint
Multimuons in cosmic-ray events as seen in ALICE at the LHC
Shreyasi Acharya, Apar Agarwal, Gianluca Aglieri Rinella, Luca Aglietta, M. Agnello, N. Agrawal, Z. Ahammed, S. Ahmad, S. U. Ahn, I. Ahuja, A. Akindinov, Valentina Akishina, M. Al-Turany, Dmitry Aleksandrov, B. Alessandro, H. M. Alfanda, Jose Ruben Alfaro Molina, Bushra Ali, A. Alici, N. Alizadehvandchali, A. Alkin, J. Alme, G. Alocco, T. Alt, Anna Rita Altamura, I. Altsybeev, Jesús Ricardo Alvarado García, Cesar Omar Ramirez Alvarez, Mustafa Anaam, Cristian Andrei, N. Andreou, A. Andronic, Evgeny Andronov, V. Anguelov, F. Antinori, P. Antonioli, N. Apadula, L. Aphecetche, Harald Appelshaeuser, C. Arata, S. Arcelli, R. Arnaldi, Jhoao Gabriel Martins Campos Almeida Arneiro, I. C. Arsene, Mesut Arslandok, Andre Augustinus, Ralf Peter Averbeck, Dmitry Averyanov, M. D. Azmi, Hitoshi Baba, A. Badalà, Joonsuk Bae, Yunseul Bae, Y. W. Baek, Xiaozhi Bai, R. Bailhache, Y. Bailung, R. Bala, A. Balbino, A. Baldisseri, Bartosz Baliś, Z. Banoo, Veronika Barbasová, F. Barile, L. Barioglio, Maria Barlou, Banajit Barman, G. G. Barnaföldi, L. S. Barnby, E. Barreau, Valerie Ramillien Barret, L. Barreto, C. Bartels, K. Barth, E. Bartsch, N. Bastid, S. Basu, G. Batigne, D. Battistini, B. Batyunya, Dibakar Bauri, Jose Luis Bazo Alba, I. G. Bearden, C. Beattie, P. Becht, D. Behera, I. Belikov, A. D. C. Bell Hechavarria, F. Bellini, R. Bellwied, S. Belokurova, Yael Antonio Vásquez Beltran, G. Bencédi, Adel Bensaoula, S. Beolè, Y. Berdnikov, A. Berdnikova, L. Bergmann, Mihaela Gabriela Besoiu, L. Betev, Partha Pratim Bhaduri, A. Bhasin, Buddhadeb Bhattacharjee, L. Bianchi, J. Bielčík, J. Bielčíková, Alexandre Patrick Bigot, A. Bilandzic, G. Biro, S. Biswas, N. Bize, Justin Thomas Blair, D. Blau, Mihail Bogdan Blidaru, Nora Bluhme, C. Blume, F. Bock, T. Bodova, J. Bok, Laszlo Boldizsar, M. Bombara, Peter Matthew Bond, G. Bonomi, Herve Borel, A. Borissov, A. G. Borquez Carcamo, E. Botta, Y. E. M. Bouziani, L. Bratrud, P. Braun‐Munzinger, M. Bregant, M. Broz, G. Bruno, Valentin Dimitrov Buchakchiev, M. D. Buckland, D. Budnikov, Henner Buesching, S. Bufalino, Paul Alois Buhler, N. Burmasov, Edith Zinhle Buthelezi, Aleksandr Bylinkin, S. A. Bysiak, Juan Carlos Cabanillas Noris, Maria Fernanda Torres Cabrera, Helen Louise Caines, A. Calivà, Ernesto Calvo Villar, J. M. M. Camacho, P. Camerini, Fabio de Moraes Canedo, Sierra Lisa Weyhmiller, Mihai Carabaș, Aitor Amatriain Carballo, F. Carnesecchi, R. Caron, L. A. D. Carvalho, J. Castillo Castellanos, Matteo Castoldi, F. Catalano, Samuele Cattaruzzi, Rebecca Cerri, I. Chakaberia, Pritam Chakraborty, S. Chandra, S. Chapeland, M. Chartier, Souvik Chattopadhay, Meiyi Chen, T. Cheng, C. Cheshkov, Davide Chiappara, Vasco Miguel Chibante Barroso, David Dobrigkeit Chinellato, E. S. Chizzali, J. Cho, Soyeon Cho, P. Chochula, Zuzanna Anna Chochulska, Dhrubajyoti Choudhury, S. Choudhury, P. Christakoglou, C. H. Christensen, P. Christiansen, T. Chujo, M. Ciacco, C. Cicalò, F. Cindolo, Michael Rudolf Ciupek, Giulia Clai, Fabio Filippo Colamaria, Jonathan Samuel Colburn, D. Colella, Angelo Colelli, M. Colocci, M. Concas, G. Conesa Balbastre, Zaida Conesa Del Valle, G. Contin, J. G. Contreras, M. L. Coquet, P. Cortese, M. R. Cosentino, Filippo Costa, S. Costanza, Corentin Cot, Philippe Crochet, Maciej Marek Czarnynoga, A. Dainese, Gautam Dange, Meike Charlotte Danisch, A. Danu, P. Das, Supriya Das, A. Dash, Sadhana Dash, Annalisa De Caro, Giacinto de Cataldo, Jan De Cuveland, Alessandro de Falco, D. De Gruttola, N. De Marco, C. De Martín, S. De Pasquale, Rohaan Deb, R. Del Grande, L. Dello Stritto, W. Deng, Kyle Christian Devereaux, P. Dhankher, D. Di Bari, A. Di Mauro, B. Di Ruzza, Batoul Diab, Raul Arteche Diaz, Yanchun Ding, J. Ditzel, R. Divià, Oeystein Djuvsland, U. Dmitrieva, A. Dobrin, Benjamin Dönigus, Jan Michal Dubinski, A. Dubla, P. Dupieux, Natalia Dzalaiova, Tabea Maria Eder, R. J. Ehlers, Florian Eisenhut, Ren Ejima, D. Elia, B. Erazmus, F. Ercolessi, Bruno Espagnon, G. Eulisse, D. Evans, S. Evdokimov, Laura Fabbietti, M. Faggin, J. Faivre, Si Fan, W. Fan, A. Fantoni, M. Fasel, Г. Феофилов, A. Fernández Téllez, L. Ferrandi, M. B. Ferrer, A. Ferrero, C. Ferrero, Alessandro Ferretti, V. J. G. Feuillard, V. Filova, D. Finogeev, F. M. Fionda, Erlend Flatland, F. Flor, Amanda Nicole Flores, S. Foertsch, Ilya Fokin, S. Fokin, Umberto Follo, Enrico Fragiacomo, E. Frajna, U. Fuchs, N. Funicello, Christophe Furget, A. Furs, T. Fusayasu, Jens Joergen Gaardhoeje, M. Gagliardi, Alberto Martin Gago Medina, Tanu Gahlaut, Carlos Duarte Galvan, Sarjeeta Gami, D. R. Gangadharan, P. Ganoti, C. Garabatos, Josue Martinez Garcia, Tonatiuh García Chàvez, E. García-Solis, Corrado Gargiulo, P. Gasik, Hari Mohan Gaur, A. Gautam, Maria Beatriz De Leone Gay, M. B. Gay Ducati, M. Germain, Roman August Gernhaeuser, Chandrasekhar Ghosh, Marco Giacalone, Giulia Gioachin, Sourav Kanti Giri, P. Giubellino, P. Giubilato, Aude Marie Camille Glaenzer, P. Glässel, E. Glimos, Daniel Jia Qin Goh, V. González, Pavel Gordeev, M. Gorgoń, Kangkan Goswami, S. Gotovac, Varlen Grabski, L. K. Graczykowski, E. Grecka, A. Grelli, C. Grigoras, Vladislav Grigoryev, S. Grigoryan, F. Grosa, Jan Fiete Grosse-Oetringhaus, R. Grosso, D. Grund, Nadine Alice Gruenwald, Gabriel Garcia Guardiano, R. Guernane, M. Guilbaud, K. Gulbrandsen, Jesper Jan Walter Karlsson Gumprecht, Tuba Gundem, T. Gunji, W. Guo, Anik Gupta, R. Gupta, Rashi Gupta, K. Gwizdziel, L. Gyulai, Cynthia Marie Hadjidakis, Fakhar Ul Haider, Sara Haidlova, Mintu Haldar, H. Hamagaki, Y. Han, Brian Gerald Hanley, R. Hannigan, Joachim Hansen, M. R. Haque, John William Harris, A. Harton, M. V. Hartung, Hadi Hassan, D. Hatzifotiadou, Philip Hauer, L. B. Havener, Ernst Hellbär, Haavard Helstrup, Marvin Hemmer, T. Herman, Sabrina Gabrielle Hernandez, Gerardo Antonio Herrera Corral, S. Herrmann, K. F. Hetland, Benedict Heybeck, Hartmut Hillemanns, B. Hippolyte, Isis Pihn Marie Hobus, Felix Willi Hoffmann, B. Hofman, M. Horst, Adrian Horzyk, Y. Hou, P. Hristov, Patrick Huhn, Laura Maria Huhta, T. J. Humanic, Alek Hutson, D. Hutter, R. Ilkaev, Radiy Ilkaev, M. Inaba, Gian Michele Innocenti, Mikhail Ippolitov, А. Исаков, T. Isidori, Md Samsul Islam, Semen Iurchenko, M. Ivanov, Vladimir Ivanov, K. E. Iversen, M. Jabłoński, B. Jacak, N. Jacazio, Adam Wlodzimierz Jacholkowski, Peter Martin Jacobs, Slavka Jadlovská, Ján Jadlovský, S. Jaelani, C. Jahnke, Monika Joanna Jakubowska, M. A. Janik, Thomas Janson, Su-Jeong Ji, S. Jia, Tao Jiang, Alom Antonio Paz Jimenez, F. Jonas, Daniel Matthew Jones, J. M. Jowett, J. Jung, M. Jung, A. Junique, A. Jusko, J. Kaewjai, P. Kaliňák, A. Kalweit, Ayben Karasu Uysal, D. Karatovic, Nikolaos Karatzenis, O. Karavichev, T. Karavicheva, Evgeny Karpechev, Maja Jadwiga Karwowska, U. Kebschull, M. Keil, B. Ketzer, Johannes Keul, Swapnesh Santosh Khade, A. M. Khan, S. Khan, Alexei Khanzadeev, Y. Kharlov, A. Khatun, A. Khuntia, Z. Khuranova, Bjarte Wang-Kileng, B. Kim, C. Kim, D. J. Kim, Dongguk Kim, E. J. Kim, Jaehyun Kim, J. Kim, Junlee Kim, M. Kim, Se Yong Kim, Taejun Kim, K. Kimura, A. Kirkova, S. Kirsch, I. Kisel, S. Kiselev, A. Kisiel, J. L. Klay, J. Klein, S. R. Klein, C. Klein-Bösing, Matthias Kleiner, T. Klemenz, Alexander Kluge, C. Kobdaj, Ryotaro Kohara, Thorsten Sven Kollegger, Andrey Kondratyev, Natalia Kondratyeva, Joshua Leon Konig, Stephan Alexander Konigstorfer, P. J. Konopka, G. Kornakov, M. Korwieser, Sebastian Dominik Koryciak, Cornelia Koster, Artem Kotliarov, Nino Kovacic, V. Kovalenko, M. Kowalski, V. Kozhuharov, Grigory Kozlov, I. Králik, A. Kravčáková, Luboš Krčál, M. Krivda, F. Křížek, Katarina Krizkova Gajdosova, C. Krug, M. Krüger, Diana Mária Krupová, E. Kryshen, V. Kučera, Christian Claude Kuhn, Paulus Gerardus Kuijer, Takuya Kumaoka, Deekshit Kumar, L. Kumar, Navneet Kumar, S. Kumar, S. Kundu, P. Kurashvili, A. Kurepin, A. Kuryakin, S. Kushpil, Vladislav Kuskov, Monika Kutyła, Andrey Kuznetsov, M. J. Kweon, Y. Kwon, Sarah Louise La Pointe, P. La Rocca, Anantachai Lakrathok, M. Lamanna, Aimeric Robin Landou, Rune Langoy, P. Larionov, E. Laudi, L. Lautner, Rafael Angel Narcio Laveaga, R. Lavicka, R. Lea, H. Lee, I. Legrand, G. Legras, Johannes Lehrbach, Alexian Marc Lejeune, Tomasz Marcin Lelek, R. C. Lemmon, I. León Monzón, Marcel Markus Lesch, Ezra Douglas Lesser, P. Lévai, Mingze Li, Peiyu Li, Xiaomei Li, Beatrice Eva Liang-Gilman, J. Lien, R. Lietava, I. Likmeta, Bong-Hwi Lim, Hyunji Lim, Sanghoon Lim, V. Lindenstruth, C. Lippmann, Dominika Líšková, D. H. Liu, J. Liu, Gianni Shigeru Setoue Liveraro, Ingrid Mckibben Lofnes, Constantinos Loizides, S. Lökòs, J. Lömker, X. Lopez, Ernesto Lopez Torres, Clement Lotteau, P. Lu, Zhiyong Lu, F. V. Lugo, Jens Robert Luhder, G. Luparello, Y. G., M. Mager, Antonin Maire, Emilia Maria Majerz, M. Makariev, M. Malaev, Giovanni Malfattore, N. M. Malik, Salman Khurshid Malik, Dukhishyam Mallick, Neelkamal Mallick, G. Mandaglio, Sushobhan Kumar Mandal, A. Manea, V. Manko, F. Manso, V. Manzari, Yaxian Mao, R. W. Marcjan, G. V. Margagliotti, A. Margotti, Ana Maria Marin, C. Markert, Ciro Fabian Bermudez Marquez, P. Martinengo, Mario Ivan Martinez Hernandez, G. Martınez García, M. P. P. Martins, Silvia Masciocchi, M. Masera, A. Masoni, L. Massacrier, Olaf Massen, A. Mastroserio, S. Mattiazzo, A. Matyja, F. Mazzaschi, M. Mazzilli, Y. Melikyan, Maria Monalisa de Melo Paulino, A. Menchaca-Rocha, J. E. M. Mendez, E. Meninno, A. S. Menon, Marius Wilm Menzel, M. Meres, L. Micheletti, Darius Mihai, Dimitar Lubomirov Mihaylov, Konstantin Mikhaylov, N. Minafra, D. Miśkowiec, A. Modak, B. Mohanty, M. Mohisin Khan, Mikael Andreas Molander, M. M. Mondal, Shirajum Monira, C. Mordasini, Denise Aparecida Moreira De Godoy Willems, I. Morozov, A. Morsch, Teo Mrnjavac, Valeria Muccifora, S. Muhuri, James Declan Mulligan, A. Mulliri, M. G. Munhoz, Robert Helmut Munzer, Hikari Murakami, S. Murray, L. Musa, J. Mušinský, J. W. Myrcha, Bharati Naik, Anjali Ila Nambrath, Basanta Kumar Nandi, R. Nania, E. Nappi, Adrian Fereydon Nassirpour, Vlad-Iulius Nastase, A. Nath, S. Nath, C. Nattrass, M. N. Naydenov, Alexandra Neagu, A. Negru, Evgeniia Nekrasova, L. Nellen, Roman Nepeivoda, S. Nese, Nicola Nicassio, B. S. Nielsen, E. G. Nielsen, S. Nikolaev, S. Nikulin, Vladimir Nikulin, Francesco Noferini, S. Y. Noh, P. Nomokonov, J. Norman, N. Novitzky, Piotr Nowakowski, A. Nyanin, J. Nystrand, Saehanseul Oh, Alice Elisabeth Ohlson, Vitaly Okorokov, J. Oleniacz, A. Önnerstad, C. Oppedisano, A. Ortiz Velasquez, J. Otwinowski, Motomi Oya, K. Oyama, Sonali Padhan, Davide Pagano, G. Paić, S. Paisano-Guzmán, A. Palasciano, Iaroslav Panasenko, Stefano Panebianco, Caterina Pantouvakis, Hanseo Park, J. Park, S. Park, Jasper Elias Parkkila, Yash Patley, Rajendra Nath Patra, B. Paul, Hua Pei, T. Peitzmann, X. Peng, Michele Pennisi, Stefania Perciballi, Dmitry Yurevich Peresunko, Guillermo Mesa Perez, Yury Pestov, Mikkel Tornhoj Petersen, V. Petrov, M. Petrovici, Stefano Piano, M. Pikna, Philippe Pillot, O. Pinazza, L. Pinsky, C. Pinto, S. Pisano, Mateusz Andrzej Ploskon, M. Planinić, Fabian Pliquett, Damian Kacper Plociennik, M. G. Poghosyan, Boris Polishchuk, B. Polichtchouk, S. Politano, N. Poljak, A. Pop, Sarah Julie Porteboeuf, S. Porteboeuf-Houssais, V. Pozdniakov, Irandheny Yoval Pozos, Kshitish Kumar Pradhan, S. K. Prasad, Suraj Prasad, R. Preghenella, F. Prino, C. A. Pruneau, Igor Pshenichnov, Maximiliano Puccio, S. Pucillo, S. Qiu, L. Quaglia, Aswathy Menon Kavumpadikkal Radhakrishnan, S. Ragoni, A. Rai, A. Rakotozafindrabe, L. Ramello, M. Rasa, S. S. Räsänen, R. Rath, Max Philip Rauch, I. Ravasenga, K. F. Read, C. Reckziegel, A. Redelbach, K. Redlich, C. A. Reetz, Hector David Regules Medel, Attiq Ur Rehman, F. Reidt, Haakon André Reme-Ness, K. Reygers, A. Riabov, V. Riabov, R. Ricci, M. Richter, Anton Albert Riedel, W. Riegler, A. G. Riffero, Michele Rignanese, C. Ripoli, C. Ristea, Manuel Viqueira Rodriguez, Mario Rodriguez Cahuantzi, S. A. Rodríguez Ramírez, Ketil Roeed, K. Røed, Roman Rogalev, Elena Rogochaya, Tim Sebastian Rogoschinski, D. Røhr, Dieter Roehrich, Solangel Rojas Torres, P. S. Rokita, G. Romanenko, F. Ronchetti, Edgar Dominguez Rosas, K. Rosłon, Andrea Rossi, Ankhi Roy, Subhadeep Roy, N. Rubini, Justus Arne Rudolph, Daniela Ruggiano, R. Rui, Pawel Grzegorz Russek, R. Russo, A. Rustamov, E. Ryabinkin, Yury Ryabov, Andrzej Krzysztof Rybicki, J. Ryu, W. Rzesa, Bianca Sabiu, Sergey Sadovskiy, J. Saetre, S. K. Saha, Bhagyarathi Sahoo, R. Sahoo, Sarita Sahoo, Dushmanta Sahu, Pradip Kumar Sahu, J. Saini, Klaudia Tropp, K. Sajdakova, S. Sakai, M. P. Salvan, S. Sambyal, D. Samitz, I. Sanna, Thiago Badaro Saramela, D. Sarkar, P. Sarma, Valerio Sarritzu, V. M. Sarti, M. H. P. Sas, S. Sawan, E. Scapparone, J. Schambach, Horst Sebastian Scheid, C. Schiaua, R. Schicker, Felix Schlepper, Alexander Schmah, C. Schmidt, Marten Ole Schmidt, Martin Schmidt, Nicolas Schmidt, Austin Robert Schmier, Romain Schotter, Alexander Wilhelmi, J. Schukraft, K. Schweda, G. Scioli, E. Scomparin, Janet Elizabeth Seger, Yuko Sekiguchi, Daiki Sekihata, Mariia Selina, I. Selyuzhenkov, Serhiy Senyukov, Jin Joo Seo, D. Serebryakov, L. Serkin, L. Šerkšnytė, A. Sevcenco, Tebogo Joyce Shaba, Alexandre Shabetai, Ruben Shahoyan, A. Shangaraev, Binti Sharma, D. Sharma, H. Sharma, Meenakshi Sharma, Samarth Sharma, S. Sharma, U. Sharma, A. Shatat, Oveis Sheibani, Kenta Shigaki, Maya Hachiya Shimomura, Jaehyuck Shin, S. Shirinkin, Qiye Shou, Yury Sibiryak, S. Siddhanta, Teodor Siemiarczuk, Tiago Fiorini da Silva, D. Silvermyr, Tawanchat Simantathammakul, R. Simeonov, Balwan Singh, Bhawani Singh, Kamaljeet Singh, Ranbir Singh, Randhir Singh, Ravindra Singh, S. Singh, V. K. Singh, V. Singhal, Tinku Sarkar - Sinha, B. Sitár, M. Sitta, Bernhard Skaali, G. Skorodumovs, Nikolai Smirnov, R. J. M. Snellings, Emilie Haugland Solheim, Christian Sonnabend, Jorine Sonneveld, F. Soramel, Analyce Bella Soto-Hernandez, R. Spijkers, Iwona Anna Sputowska, J. Staa, Johanna Stachel, I. Stan, Patrick John Steffanic, Tim Stellhorn, S. F. Stiefelmaier, D. Stocco, I. Storehaug, Nicolas Justus Strangmann, Peter Stratmann, S. Strazzi, Alessandro Sturniolo, Christos Pliatskas Stylianidis, Alexandre Alarcon Do Passo Suaide, Christophe Pierre Suire, A. Suiu, M. Sukhanov, M. Šuljić, Rishat Sultanov, Vikash Sumberia, Suharyo Sumowidagdo, Maciej Szymkowski, Lorenzo Hernandez Tabares, Seyed Farid Taghavi, J. Takahashi, Ganesh Jagannath Tambave, Siyu Tang, Z. Tang, Daniel Jesus Tapia Takaki, Nicolae Ţăpuş, L. A. Tarasovičová, M. G. Tarzila, A. Tauro, A. Tavira García, Guillermo Tejeda Munoz, Livia Terlizzi, C. Terrevoli, S. Thakur, Magnus Thoegersen, Deepa Thomas, A. Tikhonov, N. Tiltmann, A. R. Timmins, Milan Tkáčik, T. Tkacik, A. Toia, Ryoka Tokumoto, Sofia Tomassini, Keisuke Tomohiro, N. Topilskaya, M. Toppi, V. V. Torres, Arianna Grisel Torres Ramos, A. Trifirò, Triloki Triloki, A. S. Triolo, S. Tripathy, Tulika Tripathy, Stefano Trogolo, Victor Trubnikov, W. H. Trzaska, T. P. Trzcinski, Christina Tsolanta, Ran Tu, A. Tumkin, R. Turrisi, T. S. Tveter, K. Ullaland, B. Ulukutlu, Sahil Upadhyaya, A. Uras, G. L. Usaı́, Martin Vala, Nicolo Valle, Lennart van Doremalen, M. van Leeuwen, C. A. van Veen, Roelof Jan Gijs van Weelden, Pierre Vande Vyvre, D. Varga, Z. Varga, Paola Vargas Torres, M. Vasileiou, A. Vasiliev, Oton Vazquez Doce, Omar Vazquez Rueda, V. Vechernin, Ermanno Vercellin, Rahul Verma, Róbert Vértesi, M. Verweij, L. Vickovic, Zabulon Vilakazi, Orlando Villalobos Baillie, Anna Villani, А. Виноградов, T. Virgili, Maxim Mikael Olavi Virta, A. Vodopyanov, Benedikt Voelkel, Martin Andreas Volkl, Sergey Voloshin, G. Volpe, B. von Haller, I. Vorobyev, N. Vozniuk, J. Vrláková, Jie Wan, C. Wang, Dongfang Wang, Y. Wang, Yubiao Wang, Zhengqing Wang, A. Wegrzynek, Felix Thomas Weiglhofer, S. C. Wenzel, Johannes Peter Wessels, Piotr Kazimierz Wiacek, J. Wiechuła, Jon Wikne, Grzegorz Andrzej Wilk, J. Wilkinson, Guido Alexander Willems, B. Windelband, M. Winn, Josephina Rae Wright, Wenya Wu, Y. Wu, Zhenjun Xiong, Ran Xu, A. Yadav, Arun Kumar Yadav, Yorito Yamaguchi, Shiming Yang, S. Yano, Emma Rose Yeats, Zhongbao Yin, I.-K. Yoo, Jin Hee Yoon, Hyeonjin Yu, Shiming Yuan, A. Yuncu, V. Zaccolo, C. Zampolli, F. Zanone, N. Zardoshti, A. Zarochentsev, P. Závada, Nikolay Zavyalov, M. Zhalov, Biao Zhang, C. Zhang, L. Zhang, Maolin Zhang, Mingyu Zhang, S. Zhang, Xiaoming Zhang, Yifei Zhang, Z. Zhang, M. Zhao, Vladimir Zherebchevskii, Zhi Yu, Daicui Zhou, Y. Zhou, J. Zhu, Senjie Zhu, Ya Zhu, Stefan Cristi Zugravel, N. Zurlo, ALICE Collaboration
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Le résumé fourni par la source
ALICE is a large experiment at the CERN Large Hadron Collider. Located 52 meters underground, its detectors are suitable to measure muons produced by cosmic-ray interactions in the atmosphere. In this paper, the studies of the cosmic muons registered by ALICE during Run 2 (2015–2018) are described.The analysis is limited to multimuon events defined as events with more than four detected muons ($N_{μ}$ > 4) and in the zenith angle range 0° < θ < 50°. The results are compared with Monte Carlo simulations using three of the main hadronic interaction models describing the air shower development in the atmosphere: QGSJET-II-04, EPOS-LHC, and SIBYLL 2.3d.The interval of the primary cosmic-ray energy involved in the measuredmuon multiplicity distribution is about 4 × 10$^{15}$ < E$_{prim}$ < 6 × 10$^{16}$ eV.In this interval none of the three models is able to describe precisely the trend of the composition of cosmic rays as the energy increases. However,QGSJET-II-04 is found to be the only model capable of reproducing reasonably well the muon multiplicity distribution, assuming a heavy composition of the primary cosmic raysover the whole energy range, while SIBYLL 2.3d and EPOS-LHC underpredict thenumber of muons in a large interval of multiplicity by more than 20% and 30%, respectively.The rate of high muon multiplicity events (Nμ > 100) obtainedwith QGSJET-II-04 and SIBYLL 2.3d is compatible with the data, while EPOS-LHC produces a significantly lower rate (55% of the measured rate). For both QGSJET-II-04 and SIBYLL 2.3d, the rate is close to the data when the composition is assumed to be dominated by heavy elements, an outcome compatible with the average energy E$_{prim}$ ∼ 10$^{17}$ eV of these events.This result places significant constraints on more exotic production mechanisms.
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Les sujets associés
Muon and positron interactions and applicationsParticle Detector Development and PerformanceParticle physics theoretical and experimental studies