Rapidity and multiplicity dependence of charged-particle flow in pPb collisions at $$ \sqrt{s_{\textrm{NN}}}=8.16 $$ TeV

A bstract The elliptic and triangular flow of charged particles are measured using two-particle angular correlations in p Pb collisions in the pseudorapidity range 2.0 &lt; | η | &lt; 4.8. The data sample was collected by the LHCb experiment in 2016 at a centre-of-mass energy per nucleon pair of $$ \sqrt{s_{\textrm{NN}}}=8.16 $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msqrt> <mml:msub> <mml:mi>s</mml:mi> <mml:mi>NN</mml:mi> </mml:msub> </mml:msqrt> <mml:mo>=</mml:mo> <mml:mn>8.16</mml:mn> </mml:math> TeV, containing in total approximately 1.5 billion collision events. Non-flow contributions are obtained in low-multiplicity collisions and subtracted to extract the flow harmonics. The results are presented as a function of event multiplicity and hadron transverse momentum. Comparisons with a full (3+1)D dynamic model indicate that it overestimates the measured elliptic flow. A comparison between the forward and backward regions reveals no significant differences in flow parameters, suggesting that final-state effects may dominate over initial-state effects in the origin of flow in small systems.

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Journal
Journal of High Energy Physics
Published
2025-10-15
DOI
https://doi.org/10.1007/jhep10(2025)124
Primary Topic
High-Energy Particle Collisions Research
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article
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article

Rapidity and multiplicity dependence of charged-particle flow in pPb collisions at $$ \sqrt{s_{\textrm{NN}}}=8.16 $$ TeV

L. De Paula, A. Seuthe, I. Corredoira, M. M. Duras et al.
Journal of High Energy Physics
High-Energy Particle Collisions Research
article

Rapidity and multiplicity dependence of charged-particle flow in pPb collisions at $$ \sqrt{s_{\textrm{NN}}}=8.16 $$ TeV

L. De Paula, A. Seuthe, I. Corredoira, M. M. Duras, D. Martínez Santos, W. Liu, A. Lobo Salvia, S. Schulte, M. Martinelli, S. Sheng, J. de Boer, H.-P. Dembinski, J. Yu, O. Leroy, S. Jakobsen, J. Heuel, B. Saitta, H. Tilquin, A. Kupść, Marie Bachmayer, W. Barter, Yuki Fujii, F. Ferrari, A. Padee, A. Bertolin, D. Karpenkov, K. Richardson, G. Punzi, H. V. Cliff, G. Sarpis, S. Borghi, F. Muheim, M. Guarise, J. Li, P. Ilten, N. Jurik, G. Tonani, Y. Wei, Ö. Özçelik, Vukan Jevtic, K. Yang, A. Beck, D. Marangotto, V. Matiunin, J. E. Blank, E. Jiang, D. Bacher, M. Stefaniak, A. Grecu, T. Li, C. Prouvé, T. Ketel, W. Baldini, E. Jans, J. Hammerich, P. Kravchenko, A. Andreianov, A. Inglessi, K. Fischer, H. Schindler, M. Fontana, M. Monk, A. Okhotnikov, B. Passalacqua, A. Ishteev, J. Novoa Fernandez, X. Zhu, M. Pló Casasús, R. Matev, D. Saranin, A. Schopper, P. Garcia Moreno, V. Placinta, S. Ely, G. Mancinelli, F. Blanc, Rita Sadek, G. Lanfranchi, F. Pisani, D. S. Mitzel, L. Li, N. Polukhina, Ilya Segal, M. Charles, R. Williams, F. Ferreira Rodrigues, L. Kolk, Z. Xu, R. Quagliani, S. Cali, S. Easo, H. Sazak, J. Baptista de Souza Leite, A. Konoplyannikov, L. Toscano, A. Mauri, S. Poslavskii, B. Couturier, Dorothea Vom Bruch, B. Dey, R. Wang, X. Vilasís-Cardona, K. Liu, S. J. Jaimes Elles, A.-K. Guseinov, D. Nicotra, P. Collins, A. Berezhnoy, Z. Chen, C. Zhang, W. Byczynski, Louis Henry, P. Baladrón Rodríguez, H. Pereira Da Costa, A. D. Dowling, V. Shevchenko, M. Zdybał, Zakariya Aliouche, R. Manera Escalero, J. J. Back, T. Miralles, Q. Li, D. Ilin, N. Valls Canudas, E. Kulikova, José Javier Saavedra-Arias, Miguel Ruiz Diaz, D. Miao, W. Krupa, F. Borgato, S. Barsuk, M. Schiller, Y. Zhao, L. Soares Lavra, U. Egede, S. Monteil, Q. Niu, J. T. Borsuk, P. Billoir, A. Obłąkowska-Mucha, Riccardo Nunzio Pilato, M. Merk, M. Pappagallo, M. Pizzichemi, A. Gioventù, Z. Ajaltouni, N. Qin, I. R. Barbosa, L. Martinazzoli, Y. L. Liu, G. Meier, A. Biolchini, E. Rodriguez Fernandez, A. Rogovskiy, G. Benane, J. M. Otalora Goicochea, Z. Ghorbanimoghaddam, L. Congedo, Xutao Zheng, C. Betancourt, Ibrahim Chahrour, G. Martellotti, L. Garrido, A. Merli, T. Rong, M. Chefdeville, R. J. Hunter, E. Ben-Haim, W. Krzemień, A. Lampis, E. Golobardes, N. Kleijne, A. Usachov, T. Q. Gao, Tianyu Xing, J. Reich, S. Bachmann, J. W. Kautz, Anne Álvarez, F. Polci, G. Gong, C. Y. Yu, E. Vilella Figueras, M. Becker, B. Sciascia, M. Poli Lener, O. Kot, J. D. Brandenburg, J. M. De Miranda, A. Leflat, I. Gorelov, S. Legotin, G. Manca, W. Morren, B. Fang, Lauren Grace Mackey, E. Rodrigues, R. McNulty, Justin Bartz, O. Boente García, P. Carniti, J. Dalseno, C. Fitzpatrick, N. Harnew, D. Andreou, C. Landesa Gomez, F. M. Meng, S. Celani, X. Dai, R. Forty, D. Sundfeld, A. Zhelezov, H. Mu, P. Spradlin, T. Gershon, J. Wu, X. W. Wang, R. Song, G. Haefeli, F. L. Liu, A. Chubykin, P. Durante, M. Féo, Frédéric Hemmer, R. D. Moise, M. Kreps, N. Breer, A. Artamonov, D. L. Rolf, S. Malde, R. Ribatti, S. Cesare, X. Wu, V. Kudryavtsev, G. Corti, V. Yeroshenko, Mikhail Barnyakov, Arsenii Gavrikov, J. Bhom, E. Minucci, M. Richardson-Slipper, G. Khreich, C. Dong, Y. Liu, M. Ferrillo, Marion Lehuraux, E. Spadaro Norella, A. Bizzeti, P. Roloff, B. Mitreska, K. Świentek, X. Hu, T. Fiutowski, Gianluca Zunica, C. L. Da Silva, S. Belin, Z. Ren, R. Mountain, K. R. Mattioli, A. Brea Rodríguez, K. Belous, R. I. Rabadán Trejo, S. Perazzini, A. Boyer, T. H. McGrath, G. A. Vasquez, D. Liu, R. Aaij, M. Artuso, D. Brundu, K. Klimaszewski, C. S. Bolognani, T. Fulghesu, V. Balagura, J. M. Durham, P. A. Günther, O. Schneider, E. Spedicato, R. Ataíde Da Silva, Y. Amhis, Federico de Benedetti, A. Palano, O. Bezshyyko, J. He, A. Massafferri, S. López Soliño, S. Scherl, G. Cavallero, M. Whitehead, R. H. O’Neil, Y. Zhang, A. Gilman, D. M. Shangase, E. Graugés, M. Witek, A. Solovev, D. A. Friday, D. Y. Tou, T. Blake, I. Polyakov, C. Li, M. Vieites Diaz, M. D. Galati, L. A. Granado Cardoso, M. Olocco, A. Chernov, Francesco Sborzacchi, F. C. Glaser, M. John, A. Balboni, M. Calvi, E. Zaffaroni, Domenico Riccardi, E. Luppi, Alberto Perro, M. Waterlaat, Bridget Mack, M. Mulder, B. K. Jashal, C. Agapopoulou, A. J. Chadwick, Thomas Christian Senger, I. Juszczak, X. Yuan, S. Liu, J. L. Amey, O. Kitouni, M. Smith, V. V. Gligorov, J. Horswill, K. Vos, D. J. Unverzagt, E. Dall’Occo, M. Stahl, S. A. Wotton, Z. Xu, J. E. Davies, G. M., B. D. C. Westhenry, Lorenzo Piccolo, R. Le Gac, F. Bedeschi, M. Tat, Yu. Guz, Allen Cris John Rubesh Rajan, V. Guliaeva, L. R. Madhan Mohan, T. Tork, B. Leverington, Τ. Oeser, J. F. Hu, S. Stanislaus, L. Meyer Garcia, L. Pica, L. Dufour, I. Mackay, A. Mathad, Álvaro Fernández Casaní, A. Dzyuba, V. Tisserand, Y. Wang, Roman Shorkin, C. R. Jones, Y. Gao, E. Gersabeck, L. Giambastiani, H. Stevens, K. Hennessy, N. T. McHugh, R. Caravaca-Mora, T. Mombächer, M. Atzeni, A. Lai, Manuel Gálvez, S. Okamura, C. J. G. Onderwater, R. Oldeman, J. J. Velthuis, Y. R. Hou, L. An, A. Campoverde, M. Slater, M. S. Rangel, S. Arguedas Cuendis, G. Martelli, Kunal Garg, P. Camargo Magalhaes, F. Gonçalves Abrantes, N. Neufeld, D. Zhang, Sam Michael Dekkers, A. Contu, N. Sagidova, M. Fernández Gómez, A. Scarabotto, A. Lopez Huertas, J. A. Ward, M. Calvo Gomez, E. Santovetti, Izaac Sanderswood, A. S. W. Abdelmotteleb, I. Belov, F. Martínez-Vidal, B. Meadows, C. Kar, Rashi Sharma, M. Faria, M. Gersabeck, F. Redi, K. Li, A. Venkateswaran, H. Jage, R. Van Laak, F. L. Souza De Almeida, Viktor Mytrochenko, A. Perrevoort, L. Felkowski, H. Pham, M. Korolev, Alexander Korchin, C. Patrignani, V. Cavallini, Paloma Laguarta Gonzalez, M. Winn, M. Hartmann, Xiaofan Pan, D. Wiedner, I. Shchemerov, R. Gao, M. Firlej, A. M. Marshall, R. A. Mohammed, V. Sriskaran, G. Tuci, K. Smith, N. Schulte, Mohamed Elashri, G. Pietrzyk, P. Naik, E. Graverini, J. Mazorra de Cos, M. Ramírez García, В.А. Кушнир, R. A. Fini, A. Gallas Torreira, Felicia Carolin Volle, C. Matteuzzi, A. Bitadze, A. Sciuccati, V. Duk, C. Gotti, T. Lesiak, F. Dordei, A. Solomin, C. Trippl, F. De Vellis, Z. Williams, D. Golubkov, N. A. Grieser, V. Chobanova, G. Wormser, Y. Liu, M. De Serio, J. Buytaert, Z. Shen, B. Audurier, A. Minotti, L. Paolucci, S. Capelli, E. Smith, Thomas Long, E. Govorkova, N. Cooke, A. Dziurda, Ivan Solovyev, P. Ciambrone, H. Wu, O. De Aguiar Francisco, A. Petrolini, S. Koliiev, A. Terentev, R. Amalric, S. Simone, S. Kholodenko, P. Albicocco, A. M. Donohoe, E. van Herwijnen, S. Bernet Andres, L. Z. Zhu, Klaas Padeken, M. Chrząszcz, B. Souza De Paula, Alex Daniel Fernez, C. Henderson, D. Fazzini, A. Egorychev, Zeqing Mu, M. Fiorini, P. M. Hamilton, T. Kirn, B. Batsukh, Alessia Anelli, J. A. Rodriguez Lopez, Y. Shimizu, T. Lin, D. Parmar, D. Pereima, C. J. Pawley, R. Santacesaria, A. Cardini, T. J. V. Bowcock, S. Kubis, F. Archilli, M. Needham, D. Pinci, M. Adinolfi, A. Pereiro Castro, M. Vesterinen, E. N. Stein, H. Yeung, M. Kucharczyk, L. Santoro, A. Bay, P. Duda, P. d’Argent, J. P. Grabowski, A. Saputi, P. De Simone, L. Sun, L. Martel, T. Boettcher, L. Carcedo Salgado, G. Galati, Esteban Currás Rivera, Y. Gao, J. H. Lopes, X. Tong, J. García Pardiñas, S. Vecchi, C. Giugliano, N. V. Biesuz, L. Grillo, J. Daniel, Alexander Davidson, M. Borsato, Jike Wang, D. H. Cámpora Pérez, D. Torres Machado, N. Skidmore, Paula Herrero Gascon, P. Koppenburg, J. F. Marchand, R. A. Ruiz Fernandez, S. Klaver, B. Adeva, M. J. Williams, X. Zhou, S. De Capua, L. Shchutska, Vladimir Bocharnikov, S. Neubert, M. R. Kmiec, A. Lupato, M. Sarpis, U. Thoma, M. De Cian, I. Bediaga, U. Marconi, M. Alexander, F. Lazzari, S. Cadeddu, L. Shekhtman, H. Bao, J. A. Gooding, C. Aidala, M. Kane, S. Gromov, F. C. R. Bishop, M. Rebollo De Miguel, S. Mariani, Graham Hallett, I. Kostiuk, J. J. Lane, C. Frei, K. De Bruyn, R. Bolzonella, L. Golinka-Bezshyyko, J. Nicolini, J. Deng, M. Saur, Vasyl Dobishuk, E. Aslanides, C. Vrahas, J. Marks, T. Poeschl, T. Gys, B. Pagare, C. Gaspar, E. J. Walton, S. Joshi, Q. Zou, E. Muhammad, X. Han, F. Debernardis, V. Zhukov, J. Cottee Meldrum, D. Maisuzenko, C. Zeng, Igor Kyryllin, E. Polycarpo, W. Sutcliffe, Kate Lynch, F. Suljik, N. Sahoo, R. Bernet, C. D’Ambrosio, A. Golutvin, Lucas Dittmann, M. P. Morgenthaler, M. Mazurek, H. Gao, D. Foulds-Holt, G. Liu, P. Krokovny, M. Birch, A. Semennikov, M. McCann, F. Fleuret, A. B. Morris, P. Adlarson, P. Campana, S. Kandybei, V. Franco Lima, Elia Bottalico, Louis Lenard Gerken, S. Blusk, M. van Veghel, S. T’Jampens, Jonas Nathanael Eschle, A. R. Wiederhold, A. Wang, V. Obraztsov, R. D. L. Henderson, M. Barbetti, S. Esen, A. Poluektov, M. A. Giza, A. T. Burke, S. Chernyshenko, F. Oliva, Daniel Magdalinski, T. Li, N. Nikitin, S. Panebianco, E. Maurice, I. Diachkov, T. Ackernley, J. Moroń, G. Wan, R. Caspary, M. Ferro-Luzzi, J. Herd, X. Yang, C. Hadjivasiliou, Y. Tan, V. Zhovkovska, Elisabeth Maria Niel, T. Pajero, G. Casse, S. Qu, Y. Zhou, G. Nowak, L. M. Greeven, L. N. Falcao, G. Passaleva, C. Santamarina Ríos, M. Wang, J. A. Boelhauve, R. Nandakumar, S. Schael, M. W. Dudek, H. K. Giemza, M. Hushchyn, M. Schmelling, M. Andreotti, K. Rinnert, K. Farmer, F. Keizer, P. Gandini, J. J. Malczewski, К. Ившин, G. Morello, M. Goncerz, K. Habermann, H. Van Hecke, F. Betti, J. S. Butter, A. C. dos Reis, H. Miao, R. Zhang, A. Jawahery, E. Gabriel, Shah Rukh Qasim, F. Abudinén, G. Darze, Peilian Li, T. Skwarnicki, F. Teubert, M. Franco Sevilla, D. C. Craik, Nikolai Voropaev, M. Rama, D. Lancierini, D. S. Fitzgerald, V. Pugatch, T. Hadavizadeh, L. Fantini, M. Wilkinson, J. Ruiz Vidal, D. Lucchesi, G. Wang, E. Shmanin, H. Cai, Y. Li, O. Lantwin, V. Coco, E. Lemos Cid, S. Ding, J. Albrecht, L. Witola, A. Comerma-Montells, L. Cojocariu, F. Dettori, Z. Xiang, Rebecca Murta, R. Calabrese, S. Akar, L. Anderlini, J. Ellbracht, J. J. Saborido Silva, J. D. Shupperd, N. Serra, L. F. Foreman, A. Paul, A. Li, Victoria Valcarce Cadenas, M. S. Bieker, L. Capriotti, P. Cifra, J. Wendel, D. Kaminaris, M. Patel, A. Bohare, J. I. Cambon Bouzas, C. Cocha Toapaxi, A. D. Docheva, Pasquale Andreola, F. I. Giasemis, L. Grazette, Anni Kauniskangas, Bogdan Kutsenko, M. J. Madurai, F. Muñoz-Rojas, Piet Nogga, H. N. Nur, Daniele Passaro, J. Patoc, Gabriel Ricart, Gabriele Romolini, J. Bex, Francesca Swystun, Matteo Argenton, Pierre Paul Louis Mayencourt, Francesco Terzuoli, L. H. Uecker, Guillermo Hijano Mendizabal, Jacob Pfaller, Ozgur Durmus, J. Wagner, A. A. Adefisoye, Simone Libralon, M. Verdoglia, Bilal Ahmad Ganie, Oleksandr Kshyvanskyi, Pedro Nogarolli, Andrej Sarnatskiy, Eleanor Whiter, Xenofon Chiotopoulos, Juan Jose Juan Castella, Luca Balzani, Piera Battista, Donata Osthues, Noah Albin Behling, P. R. Li, Yuhao Wang, Ziyi Wang, Ming Zeng, Jianyu Zhang, M. Xu, N. Tuning, L. M. Garcia Martin, L. Xu, M. Cattaneo, R. Lefèvre, M. Shapkin, S. Li, M. S. Rudolph, R. Vazquez Gomez, Z. Xu, P. Di Nezza, F. Ratnikov, P. Vázquez Regueiro, D. Johnson, Y. Yang, Z. Zhang, A. Carbone, A. McNab, J. Peng, Z. Wu, Yintong Song, Ph. Charpentier, Federico Ronchetti, L. Hao, A. Rogachev, M. Giovannetti, B. A. Shi, Y. Wu, Z. Lian, V. Lisovskyi, L. Kravchuk, A. Loi, T. Colombo, W. Hu, D. A. Milanes, A. Xu, M. Salomoni, Shulei Zhang, D. Zuliani, Atanu Modak, S. Kotriakhova, J. Mauricio, Angel Morcillo Gomez, C. White, E. Rodríguez Rodríguez, D. J. D. Thompson, Y. X. Song, M. Williams, R. Marchevski, X. Yin, C. Burr, R. Silva Coutinho, D. Melnychuk, A. Correia, D. Galli, M. Lucio Martínez, B. Delaney, S. Filippov, D. Strekalina, E. Franzoso, S. R. Roy, S. Ricciardi, G. Robertson, H. Li, A. Villa, C. Normand, X. Jiang, Q. Shi, Victoria Ramos de Oliveira, W. Duan, V. S. Kirsebom, Camilla de Angelis, Y. Kang, Y. J. Jiang, Y. J. Su, P. Kopciewicz, C. X. Lin, M. Feng, V. Chulikov, J. Zhuo, M. Ramos Pernas, L. Buonincontri, A. Ene, J. Brown, Y. T. Tang, J. Sun, Y. Zheng, H. Schmitz, T. H. Harris, T. Zhou, P. K. Resmi, Y. Gao, C. Lucarelli, S. Didenko, V. Romanovskiy, Chen Chen, L. Xu, E. Ejopu, C. Marín Benito, Roman Litvinov, G. Frau, A. Romero Vidal, Lucas George Girardey, O. Okhrimenko, N. Néri, N. K. Watson, F. F. Wilson, C. Bozzi, T. Latham, M. Rotondo, O. Steinkamp, M. S. Soares, M. Veltri, A. G. Morris, S. E. Clark, P. Vincent, C. Wang, Y. Shang, Marcelo Bovill, J. G. Speer, N. W. Wang, L. L. Pappalardo, Saliha Bashir, J. A. de Vries, L. Tomassetti, V. Vagnoni, C. Parkes, X. R. Lyu, T. Szumlak, L. Eklund, K. Carvalho Akiba, Z. Yang, J. Van Eldik, R. Cardinale, L. Sestini, S. Chen, Y. Li, M. Andersson, Z. Wang, J. Wang, Shunan Zhang, L. Zhang, Q. Han, D. Ao, T. Shears, P. Gardner, A. Szabelski, Pol Vidrier Villalba, Simon Ghizzo, L. Guerry, Francesco Zenesini, Aleksandar Bordelius, Michal Krzysztof Kazanecki, O. Deschamps, C. Pappenheimer, A. M. Hennequin, Carlos Abellán Beteta, Thomas Peter Jones, S. Gomez Fernandez, M. Santimaria, G. Panshin, S. Maccolini, Evridki Chatzianagnostou, R. Lindner, A. Casais Vidal, V. Egorychev, R. J. Barlow, A. Sergi, A. Ukleja, S. Eisenhardt, Q. Lu, M. Idzik, C. B. Van Hulse, E. Eckstein, A. Iniukhin, G. Simi, A. Ustyuzhanin, D. Hutchcroft, P. Álvarez Cartelle, T. Nanut, S. Collaviti, X. Cid Vidal, Y. Xie, T. Evans, A. Hicheur, B. Jost, K. Müller, R. Currie, M. Clemencic, S. Amato, P. Robbe, L. Del Buono, S. Hansmann-Menzemer, Yuanchang Zhu, G. Ciezarek, D. Décamp, G. Bencivenni, D. Websdale, F. Maciuc, M. Karacson, E. Thomas, J. Cogan, F. Fabiano, U. Uwer, M. Palutan, A. Malinin, K. Wyllie, V. Gibson, T. Nakada, S. Stahl, E. Buchanan, F. Machefert, C. Langenbruch, V. Zhukov, D. Popov, H. Yin, Mengran Li, J. H. Rademacker, W. Hulsbergen, O. Stenyakin, M. Gandelman, B. Pietrzyk, K. Prasanth, C. Gu, D. Savrina, M. Frank, Daniele Manuzzi, D. Lacarrère, B. Khanji, Zirui Wang, C. Göbel, J. Closier, X. Wang, G. Valenti, A. Semennikov, Ho Sang Lee, P. Perret, A. Papanestis, J. Langer, A. Pastore, Iaroslava Bezshyiko, P. Neustroev, L. Carus, F. Stagni, Evgeniia Nekrasova, F. Reiss, M. Pepe Altarelli, A. Pellegrino, M. D. Sokoloff, Y. Luo, A. Kharisova, W. B. Qian, C. Nunez, A. Brossa Gonzalo, G. Wilkinson, M. Williams, V. Denysenko, R. Schwemmer, Lorenzo Malentacca, S. Dadabaev, E. Gushchin, J. Walsh, I. Bachiller, P. Owen, M. Tobin, S. Gambetta, Georg Schwering, Ezra Douglas Lesser, G. Graziani, S. Ponce, Shu Xian, S. Z. Zheng, A. Kozachuk, Sabin Hashmi, F. Alessio, C. Haen, B. Pietrzyk, Hao Chang, A. S. Boldyrev, Guillermo Ordóñez, B. Schmidt, A. Upadhyay, Ned Francis Howarth, Qucheng Qian, X. Wang, Daniel Guillermo Martinez Gomez, David Vico Benet, Yuan Yuan, Esteban Felipe Molina Cardenas, Quentin Führing, Mrityunjoy Singha, Yingao Tang, S. A. Bouchiba, Y. Jiang, Alois Caillet, R. Hou, M.J. Peters, E. Spiridenkov, A. Washbrook, S. Schmitt, Edoardo Mariani, Jonas Malte Roensch, J. Brodzicka, C. Mancuso, A. Oyanguren, T. Maltsev, L. Dai, I. Belyaev, W. Wiślicki, K. Choi, K. Petridis, M. J. Morello, J. Fu, D. Sahoo, I. Nasteva, U. De Freitas Carneiro Da Graca, C. Satriano, M. Cruz Torres, E. Cogneras, M. Kenzie, C. Vázquez Sierra, G. Raven, E. De Lucia, C. Lazzeroni, Benjamin Urbach, Riccardo Bonacci, Wojciech Gomułka, Henry James Linton, Federico Manganella, Alexia Martorell Granollers, Niclas Sommerfeld, C. Barbero Pretel, L. Moeser, X. Liang, L. Calefice, A. Satta, Y. Z. Zhang, N. Bondar, M. Colonna, C. Li, Beatriz Vivacqua, Christian Andres Coronel, Saba Faghih, Borja Sevilla Sanjuan, Marta Cobo Marcos, Daniele Provenzano, Francesco Paciolla, Yinghao Wang
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Abstract

A bstract The elliptic and triangular flow of charged particles are measured using two-particle angular correlations in p Pb collisions in the pseudorapidity range 2.0 &lt; | η | &lt; 4.8. The data sample was collected by the LHCb experiment in 2016 at a centre-of-mass energy per nucleon pair of $$ \sqrt{s_{\textrm{NN}}}=8.16 $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msqrt> <mml:msub> <mml:mi>s</mml:mi> <mml:mi>NN</mml:mi> </mml:msub> </mml:msqrt> <mml:mo>=</mml:mo> <mml:mn>8.16</mml:mn> </mml:math> TeV, containing in total approximately 1.5 billion collision events. Non-flow contributions are obtained in low-multiplicity collisions and subtracted to extract the flow harmonics. The results are presented as a function of event multiplicity and hadron transverse momentum. Comparisons with a full (3+1)D dynamic model indicate that it overestimates the measured elliptic flow. A comparison between the forward and backward regions reveals no significant differences in flow parameters, suggesting that final-state effects may dominate over initial-state effects in the origin of flow in small systems.

Journal of High Energy PhysicsVol. 2025(10)
University College Dublin (IE), University of Siena (IT), Eötvös Loránd University (HU), University of Pisa (IT), Universidade da Coruña (ES), University of Bergamo (IT), University of Rome Tor Vergata (IT), Universidade Federal do Rio de Janeiro (BR), Uppsala University (SE), Jagiellonian University (PL), Rutherford Appleton Laboratory (GB), Centre National de la Recherche Scientifique (FR), Los Alamos National Laboratory (US), University of Bonn (DE), University of Padua (IT), École Polytechnique (FR), University of Liverpool (GB), Scuola Normale Superiore (IT), Federal Center for Technological Education Celso Suckow da Fonseca (BR), Universitat de València (ES), University of Freiburg (DE), Hunan University (CN), Délégation Paris 7 (FR), University of Groningen (NL), University of Cagliari (IT), Vilnius University (LT), South China Normal University (CN), University of Milan (IT), Taras Shevchenko National University of Kyiv (UA), Universidad de Alcalá (ES), University of Urbino (IT), Université Clermont Auvergne (FR), Universidade de Santiago de Compostela (ES), TU Dortmund University (DE), University of Ferrara (IT), Peking University (CN), University of Zurich (CH), University of Basilicata (IT), Université Paris Cité (FR), Aix-Marseille Université (FR), Heidelberg University (DE), University of Cambridge (GB), Cracow University of Technology (PL), Pontifícia Universidade Católica do Rio de Janeiro (BR), Commissariat à l'Énergie Atomique et aux Énergies Alternatives (FR), University of Perugia (IT), Université Paris-Saclay (FR), University of Michigan (US), Kharkiv Institute of Physics and Technology (UA), Australian Regenerative Medicine Institute (AU), CEA Paris-Saclay - Etablissement de Saclay (FR), Machine Intelligence Research Institute (US), University of Manchester (GB), Maastricht University (NL), University of Bristol (GB), Universidad Nacional de Colombia (CO), Wuhan University (CN), University of Warwick (GB), Sorbonne Université (FR), University of Oxford (GB), Central China Normal University (CN), Sorbonne Paris Cité (FR), Horia Hulubei National Institute for R and D in Physics and Nuclear Engineering (RO), National Institute for Subatomic Physics (NL), Instituto de Física Corpuscular (ES), Laboratoire de Physique de Clermont Auvergne (FR), Laboratoire de Physique Nucléaire et de Hautes Énergies (FR), Istituto Nazionale di Fisica Nucleare, Sezione di Padova (IT), Institute of Nuclear Physics, Polish Academy of Sciences (PL), Istituto Nazionale di Fisica Nucleare, Sezione di Ferrara (IT), Istituto Nazionale di Fisica Nucleare, Sezione di Bari (IT), Istituto Nazionale di Fisica Nucleare, Roma Tor Vergata (IT), FZU ‒ Institute of Physics of the Academy of Sciences of the Czech Republic (CZ), Centro Brasileiro de Pesquisas Físicas (BR), Istituto Nazionale di Fisica Nucleare, Sezione di Genova (IT), CEA Paris-Saclay (FR), Istituto Nazionale di Fisica Nucleare, Sezione di Cagliari (IT), Istituto Nazionale di Fisica Nucleare, Sezione di Firenze (IT), Institut National de Physique Nucléaire et de Physique des Particules (FR), Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (FR), Istituto Nazionale di Fisica Nucleare, Sezione di Milano (IT), Istituto Nazionale di Fisica Nucleare, Sezione di Milano Bicocca (IT), Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati (IT), Universidad de Ingeniería y Tecnología (PE), Istituto Nazionale di Fisica Nucleare, Sezione di Bologna (IT), Laboratoire Leprince-Ringuet (FR), Max Planck Institute for Nuclear Physics (DE), Istituto Nazionale di Fisica Nucleare, Sezione di Roma I (IT), LIP6 (FR), Istituto Nazionale di Fisica Nucleare, Sezione di Pisa (IT), Istituto Nazionale di Fisica Nucleare, Sezione di Perugia (IT), University of Chinese Academy of Sciences (CN), Institut de Recherche sur les Lois Fondamentales de l'Univers (FR), Lamarr Institute for Machine Learning and Artificial Intelligence, Consejo Nacional de Rectores, University of Florence (IT), Imperial College London (GB), École Polytechnique Fédérale de Lausanne (CH), The Ohio State University (US), University of Bari Aldo Moro (IT), Universitat Ramon Llull (ES), Monash University (AU), University of Cincinnati (US), Massachusetts Institute of Technology (US), University of Milano-Bicocca (IT), University of Maryland, College Park (US), European Organization for Nuclear Research (CH), AGH University of Krakow (PL), Université Savoie Mont Blanc (FR), Syracuse University (US), Universitat de Barcelona (ES), Henan Normal University (CN), Lanzhou University (CN), University of Glasgow (GB), University of Birmingham (GB), University of Genoa (IT), RWTH Aachen University (DE), Ruhr University Bochum (DE), University of Bologna (IT), University College of Applied Science (PS), University of Edinburgh (GB), Tsinghua University (CN)
National Science Foundation, U.S. Department of Energy, CERN, Ministerul Cercetării, Inovării şi Digitalizării, Institutul National de Cercetare-Dezvoltare pentru Fizica si Inginerie Nucleara 'Horia Hulubei', European Commission, Deutsche Forschungsgemeinschaft, Agence Nationale de la Recherche, Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung, National Natural Science Foundation of China, Coordenação de Aperfeiçoamento de Pessoal de Nível Superior, Bundesministerium für Bildung und Forschung, Nederlandse Organisatie voor Wetenschappelijk Onderzoek, Conselho Nacional de Desenvolvimento Científico e Tecnológico, Max-Planck-Gesellschaft, Ministerstwo Edukacji i Nauki, Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro, National Academy of Sciences of Ukraine, Centre National de la Recherche Scientifique, Financiadora de Estudos e Projetos, Région Auvergne-Rhône-Alpes, CAS Center for Excellence in Particle Physics, Australian Research Data Commons, Science and Technology Facilities Council, Deutsches Elektronen-Synchrotron, Agencia Estatal de Investigación, Institute of High Energy Physics, Fundamental Research Funds for the Central Universities, Institut National de Physique Nucléaire et de Physique des Particules, Nuclear Physics, H2020 Marie Skłodowska-Curie Actions
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High-Energy Particle Collisions Research
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