Accès ouvert déclaré
2024
preprint
Medium-induced modification of groomed and ungroomed jet mass and angularities in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV
S 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, Mohammad 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, Venelin Anguelov, F. Antinori, P. Antonioli, Nicole Apadula, L. Aphecetche, Harald Appelshaeuser, C. Arata, S. Arcelli, Roberta Arnaldi, Jhoao Gabriel Martins Campos Almeida Arneiro, Ionut Cristian Arsene, Mesut Arslandok, Andre Augustinus, R. Averbeck, Dmitry Averyanov, M. D. Azmi, Hitoshi Baba, A. Badalà, Joonsuk Bae, Yunseul Bae, Y. W. Baek, Xiaozhi Bai, R. Bailhache, Yoshini 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, Emilie Martine Barreau, Valerie Ramillien Barret, L. Barreto, C. Bartels, K. Barth, E. Bartsch, Nicole Bastid, S. Basu, G. Batigne, D. Battistini, B. Batyunya, Dibakar Bauri, Jose Luis Bazo Alba, I. G. Bearden, C. Beattie, P. Becht, D. Behera, Iouri Belikov, A. D. C. Bell Hechavarria, F. Bellini, R. Bellwied, S. Belokurova, Lucina Gabriela Espinoza Beltran, 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, H. 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, M. L. 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, Gustavo Conesa Balbastre, Zaida Conesa Del Valle, G. Contin, Jesus Guillermo Contreras Nuno, 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, S. Das, A. Dash, Sadhana Dash, Annalisa De Caro, Giacinto de Cataldo, Jan De Cuveland, Alessandro de Falco, D. De Gruttola, N. De Marco, Chiara de Martin, 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, Pascal 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, Arturo Fernandez Tellez, 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, I. Fokin, Sergey Fokin, Umberto Follo, Enrico Fragiacomo, E. Frajna, U. Fuchs, N. Funicello, C. Furget, Artur Furs, Takahiro Fusayasu, Jens Joergen Gaardhoeje, M. Gagliardi, Alberto Martin Gago Medina, Tanu Gahlaut, Carlos Duarte Galvan, Sarjeeta Gami, Dhevan Raja 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. 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, Victor Luis Gonzalez Sebastian, Pavel Gordeev, M. Gorgoń, Kangkan Goswami, Sven 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, Austin Vincent 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, B. Heybeck, Hartmut Hillemanns, B. Hippolyte, Isis Pihn Marie Hobus, Felix Willi Hoffmann, B. Hofman, M. Horst, Adrian Horzyk, Y. Hou, Peter Zahariev Hristov, Patrick Huhn, Laura Maria Huhta, T. J. Humanic, A. Hutson, D. Hutter, R. Ilkaev, Radiy Ilkaev, M. Inaba, Gian Michele Innocenti, Mikhail Ippolitov, Artem Isakov, T. Isidori, Md Samsul Islam, Semen Iurchenko, M. Ivanov, Vladimir Ivanov, K. E. Iversen, M. Jabłoński, B. Jacak, N. Jacazio, Peter Martin Jacobs, Slavka Jadlovska, Ján Jadlovský, Syaefudin Jaelani, C. Jahnke, Monika Joanna Jakubowska, M. A. Janik, Thomas Janson, Su-Jeong Ji, Shihai Jia, Tao Jiang, Alom Antonio Paz Jimenez, F. Jonas, Daniel Matthew Jones, J. M. Jowett, J. Jung, M. Jung, Antoine Jean-Simon Junique, A. Jusko, Jetnipit 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, Bernhard Franz Ketzer, Johannes Keul, Swapnesh Santosh Khade, A. M. Khan, S. Khan, Alexei Khanzadeev, Y. Kharlov, Anisa Khatun, A. Khuntia, Zhanna 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, T. 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, Thomas 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, Pavel 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, Ildefonso Leon Monzon, 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, C 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, Martin Vasilev Makariev, M. Malaev, Giovanni Malfattore, N. M. Malik, S. K. Malik, Dukhishyam Mallick, Neelkamal Mallick, G. Mandaglio, Sushobhan Kumar Mandal, A. Manea, V. Manko, F. Manso, V. Manzari, Y. 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, Annalisa Mastroserio, Serena Mattiazzo, A. Matyja, F. Mazzaschi, M. Mazzilli, Y. Melikyan, Maria Monalisa de Melo Paulino, Arturo Alejandro 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, V. Muccifora, S. Muhuri, James Declan Mulligan, A. Mulliri, Marcelo Gameiro Munhoz, Robert Helmut Munzer, Hikari Murakami, S. Murray, L. Musa, Jan Musinsky, 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, Vladimir Nikulin, Francesco Noferini, Seoyoung Noh, Petr Nomokonov, J. Norman, N. Novitzky, Piotr Nowakowski, A. Nyanin, Joakim Ingemar Nystrand, Saehanseul Oh, Alice Elisabeth Ohlson, Vitaly Okorokov, J. Oleniacz, A. Önnerstad, C. Oppedisano, Antonio Ortiz Velasquez, J. Otwinowski, Motomi Oya, K. Oyama, Sonali Padhan, Davide Pagano, G. Paić, S. Paisano-Guzmán, Antonio 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, Damian Kacper Plociennik, M. G. Poghosyan, Boris Polishchuk, Stefano Politano, N. Poljak, A. Pop, Sarah Julie Porteboeuf, 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, Andry Malala 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, Klaus Johannes 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, Roman Rogalev, Elena Rogochaya, Tim Sebastian Rogoschinski, D. Røhr, Dieter Roehrich, Solangel Rojas Torres, P. S. Rokita, G. Romanenko, F. Ronchetti, Edgar Dominguez Rosas, Krystian Roslon, Andrea Rossi, Ankhi Roy, Subhadeep Roy, N. Rubini, Justus Arne Rudolph, D. Ruggiano, R. Rui, Pawel Grzegorz Russek, R. Russo, A. Rustamov, E. Ryabinkin, Y F 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, S. Sakai, M. P. Salvan, Sanjeev Singh Sambyal, D. Samitz, I. Sanna, Thiago Badaro Saramela, D. Sarkar, P. Sarma, Valerio Sarritzu, Valentina Mantovani 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, Jurgen Schukraft, K. Schweda, G. Scioli, E. Scomparin, Janet Elizabeth Seger, Yuko Sekiguchi, Daiki Sekihata, Mariia Selina, Ilya Selyuzhenkov, Serhiy Senyukov, Jin Joo Seo, D. Serebryakov, L. Serkin, Laura Serksnyte, A. Sevcenco, Tebogo Joyce Shaba, Alexandre Shabetai, Ruben Shahoyan, Artem Shangaraev, B. 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, R. 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, C. 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, 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, Anthony Robert 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, Trine Spedstad Tveter, Kjetil Ullaland, B. Ulukutlu, Sahil Upadhyaya, A. Uras, G. L. Usaı́, Martin Vala, N. Valle, Lennart van Doremalen, M. van Leeuwen, C. A. van Veen, Roelof Jan Gijs van Weelden, Pierre Vande Vyvre, Dezso Varga, Z. Varga, Paola Vargas Torres, M. Vasileiou, A. Vasiliev, Oton Vazquez Doce, Omar Vazquez Rueda, V. Vechernin, E. Vercellin, Rahul Verma, Róbert Vértesi, M. Verweij, Linda 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, Barthelemy 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, J. Wikne, Grzegorz Andrzej Wilk, J. Wilkinson, Guido Alexander Willems, Bernd Stefan Windelband, M. Winn, Josephina Rae Wright, Wenya Wu, Y. Wu, Zhenjun Xiong, Ran Xu, A. Yadav, Arun Kumar Yadav, Yorito Yamaguchi, S. 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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Rattachement africain : fr, de.
Niveau de preuve : code pays fourni par la source.
Le résumé fourni par la source
The ALICE Collaboration presents a new suite of jet substructure measurements in Pb-Pb and pp collisions at a center-of-mass energy per nucleon pair $\sqrt{s}_{\rm NN} = 5.02$ TeV. These measurements provide access to the internal structure of jets via the momentum and angle of their constituents, probing how the quark--gluon plasma modifies jets, an effect known as jet quenching. Jet grooming additionally removes soft wide-angle radiation to enhance perturbative accuracy and reduce experimental uncertainties. We report the groomed and ungroomed jet mass $m_{\rm jet}$ and jet angularities $λ_α^κ$ using $κ=1$ and $α>0$. Charged-particle jets are reconstructed at midrapidity using the anti-$k_\mathrm{T}$ algorithm with resolution parameter $R = 0.2$. A narrowing of the jet mass and angularity distributions in Pb-Pb collisions with respect to pp is observed and is enhanced for groomed results, confirming modification of the jet core. By using consistent jet definitions and kinematic cuts between the mass and angularities for the first time, previous inconsistencies in the interpretation of quenching measurements are resolved, rectifying a hurdle for understanding how jet quenching arises from first principles and highlighting the importance of a well-controlled baseline. These results are compared with a variety of theoretical models of jet quenching, providing constraints on jet energy-loss mechanisms in the quark--gluon plasma.
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Les sujets associés
High-Energy Particle Collisions ResearchParticle physics theoretical and experimental studiesQuantum Chromodynamics and Particle Interactions