학술논문

Underlying-event properties in pp and p–Pb collisions at sNN = 5.02 TeV
Document Type
Original Paper
Author
Acharya, S.Adamová, D.Adler, A.Aglieri Rinella, G.Agnello, M.Agrawal, N.Ahammed, Z.Ahmad, S.Ahn, S. U.Ahuja, I.Akindinov, A.Al-Turany, M.Aleksandrov, D.Alessandro, B.Alfanda, H. M.Alfaro Molina, R.Ali, B.Ali, Y.Alici, A.Alizadehvandchali, N.Alkin, A.Alme, J.Alocco, G.Alt, T.Altsybeev, I.Anaam, M. N.Andrei, C.Andronic, A.Anguelov, V.Antinori, F.Antonioli, P.Anuj, C.Apadula, N.Aphecetche, L.Appelshäuser, H.Arcelli, S.Arnaldi, R.Arsene, I. C.Arslandok, M.Augustinus, A.Averbeck, R.Aziz, S.Azmi, M. D.Badalà, A.Baek, Y. W.Bai, X.Bailhache, R.Bailung, Y.Bala, R.Balbino, A.Baldisseri, A.Balis, B.Banerjee, D.Banoo, Z.Barbera, R.Barioglio, L.Barlou, M.Barnaföldi, G. G.Barnby, L. S.Barret, V.Barreto, L.Bartels, C.Barth, K.Bartsch, E.Baruffaldi, F.Bastid, N.Basu, S.Batigne, G.Battistini, D.Batyunya, B.Bauri, D.Bazo Alba, J. L.Bearden, I. G.Beattie, C.Becht, P.Behera, D.Belikov, I.Bell Hechavarria, A. D. C.Bellwied, R.Belokurova, S.Belyaev, V.Bencedi, G.Beole, S.Bercuci, A.Berdnikov, Y.Berdnikova, A.Bergmann, L.Besoiu, M. G.Betev, L.Bhaduri, P. P.Bhasin, A.Bhat, I. R.Bhat, M. A.Bhattacharjee, B.Bianchi, L.Bianchi, N.Bielčík, J.Bielčíková, J.Biernat, J.Bilandzic, A.Biro, G.Biswas, S.Blair, J. T.Blau, D.Blidaru, M. B.Bluhme, N.Blume, C.Boca, G.Bock, F.Bodova, T.Bogdanov, A.Boi, S.Bok, J.Boldizsár, L.Bolozdynya, A.Bombara, M.Bond, P. M.Bonomi, G.Borel, H.Borissov, A.Bossi, H.Botta, E.Bratrud, L.Braun-Munzinger, P.Bregant, M.Broz, M.Bruno, G. E.Buckland, M. D.Budnikov, D.Buesching, H.Bufalino, S.Bugnon, O.Buhler, P.Buthelezi, Z.Butt, J. B.Bylinkin, A.Bysiak, S. A.Cai, M.Caines, H.Caliva, A.Calvo Villar, E.Camacho, J. M. M.Camacho, R. S.Camerini, P.Canedo, F. D. M.Carabas, M.Carnesecchi, F.Caron, R.Castillo Castellanos, J.Catalano, F.Ceballos Sanchez, C.Chakaberia, I.Chakraborty, P.Chandra, S.Chapeland, S.Chartier, M.Chattopadhyay, S.Chattopadhyay, S.Chavez, T. G.Cheng, T.Cheshkov, C.Cheynis, B.Chibante Barroso, V.Chinellato, D. D.Chizzali, E. S.Cho, S.Chochula, P.Christakoglou, P.Christensen, C. H.Christiansen, P.Chujo, T.Ciacco, M.Cicalo, C.Cifarelli, L.Cindolo, F.Ciupek, M. R.Clai, G.Cleymans, J.Colamaria, F.Colburn, J. S.Colella, D.Collu, A.Colocci, M.Concas, M.Conesa Balbastre, G.Conesa del Valle, Z.Contin, G.Contreras, J. G.Coquet, M. L.Cormier, T. M.Cortese, P.Cosentino, M. R.Costa, F.Costanza, S.Crochet, P.Cruz-Torres, R.Cuautle, E.Cui, P.Cunqueiro, L.Dainese, A.Danisch, M. C.Danu, A.Das, P.Das, P.Das, S.Dash, S.De Caro, A.de Cataldo, G.De Cilladi, L.de Cuveland, J.De Falco, A.De Gruttola, D.De Marco, N.De Martin, C.De Pasquale, S.Deb, S.Degenhardt, H. F.Deja, K. R.Del Grande, R.Dello Stritto, L.Deng, W.Dhankher, P.Di Bari, D.Di Mauro, A.Diaz, R. A.Dietel, T.Ding, Y.Divià, R.Dixit, D. U.Djuvsland, Ø.Dmitrieva, U.Dobrin, A.Dönigus, B.Dubey, A. K.Dubinski, J. M.Dubla, A.Dudi, S.Dupieux, P.Durkac, M.Dzalaiova, N.Eder, T. M.Ehlers, R. J.Eikeland, V. N.Eisenhut, F.Elia, D.Erazmus, B.Ercolessi, F.Erhardt, F.Erokhin, A.Ersdal, M. R.Espagnon, B.Eulisse, G.Evans, D.Evdokimov, S.Fabbietti, L.Faggin, M.Faivre, J.Fan, F.Fan, W.Fantoni, A.Fasel, M.Fecchio, P.Feliciello, A.Feofilov, G.Fernández Téllez, A.Ferrer, M. B.Ferrero, A.Ferretti, A.Feuillard, V. J. G.Figiel, J.Filova, V.Finogeev, D.Fiorenza, G.Flor, F.Flores, A. N.Foertsch, S.Fokin, I.Fokin, S.Fragiacomo, E.Frajna, E.Fuchs, U.Funicello, N.Furget, C.Furs, A.Gaardhøje, J. J.Gagliardi, M.Gago, A. M.Gal, A.Galvan, C. D.Ganoti, P.Garabatos, C.Garcia, J. R. A.Garcia-Solis, E.Garg, K.Gargiulo, C.Garibli, A.Garner, K.Gauger, E. F.Gautam, A.Gay Ducati, M. B.Germain, M.Ghosh, S. K.Giacalone, M.Gianotti, P.Giubellino, P.Giubilato, P.Glaenzer, A. M. C.Glässel, P.Glimos, E.Goh, D. J. Q.Gonzalez, V.González-Trueba, L. H.Gorbunov, S.Gorgon, M.Görlich, L.Gotovac, S.Grabski, V.Graczykowski, L. K.Grecka, E.Greiner, L.Grelli, A.Grigoras, C.Grigoriev, V.Grigoryan, S.Grosa, F.Grosse-Oetringhaus, J. F.Grosso, R.Grund, D.Guardiano, G. G.Guernane, R.Guilbaud, M.Gulbrandsen, K.Gunji, T.Guo, W.Gupta, A.Gupta, R.Guzman, S. P.Gyulai, L.Habib, M. K.Hadjidakis, C.Hamagaki, H.Hamid, M.Han, Y.Hannigan, R.Haque, M. R.Harlenderova, A.Harris, J. W.Harton, A.Hasenbichler, J. A.Hassan, H.Hatzifotiadou, D.Hauer, P.Havener, L. B.Heckel, S. T.Hellbär, E.Helstrup, H.Herman, T.Herrera Corral, G.Herrmann, F.Hetland, K. F.Heybeck, B.Hillemanns, H.Hills, C.Hippolyte, B.Hofman, B.Hohlweger, B.Honermann, J.Hong, G. H.Horak, D.Horzyk, A.Hosokawa, R.Hou, Y.Hristov, P.Hughes, C.Huhn, P.Huhta, L. M.Hulse, C. V.Humanic, T. J.Hushnud, H.Hutson, A.Hutter, D.Iddon, J. P.Ilkaev, R.Ilyas, H.Inaba, M.Innocenti, G. M.Ippolitov, M.Isakov, A.Isidori, T.Islam, M. S.Ivanov, M.Ivanov, V.Izucheev, V.Jablonski, M.Jacak, B.Jacazio, N.Jacobs, P. M.Jadlovska, S.Jadlovsky, J.Jaffe, L.Jahnke, C.Janik, M. A.Janson, T.Jercic, M.Jevons, O.Jimenez, A. A. P.Jonas, F.Jones, P. G.Jowett, J. M.Jung, J.Jung, M.Junique, A.Jusko, A.Kabus, M. J.Kaewjai, J.Kalinak, P.Kalteyer, A. S.Kalweit, A.Kaplin, V.Karasu Uysal, A.Karatovic, D.Karavichev, O.Karavicheva, T.Karczmarczyk, P.Karpechev, E.Kashyap, V.Kazantsev, A.Kebschull, U.Keidel, R.Keijdener, D. L. D.Keil, M.Ketzer, B.Khan, A. M.Khan, S.Khanzadeev, A.Kharlov, Y.Khatun, A.Khuntia, A.Kileng, B.Kim, B.Kim, C.Kim, D. J.Kim, E. J.Kim, J.Kim, J. S.Kim, J.Kim, J.Kim, M.Kim, S.Kim, T.Kirsch, S.Kisel, I.Kiselev, S.Kisiel, A.Kitowski, J. P.Klay, J. L.Klein, J.Klein, S.Klein-Bösing, C.Kleiner, M.Klemenz, T.Kluge, A.Knospe, A. G.Kobdaj, C.Kollegger, T.Kondratyev, A.Kondratyeva, N.Kondratyuk, E.Konig, J.Konigstorfer, S. A.Konopka, P. J.Kornakov, G.Koryciak, S. D.Kotliarov, A.Kovalenko, O.Kovalenko, V.Kowalski, M.Králik, I.Kravčáková, A.Kreis, L.Krivda, M.Krizek, F.Krizkova Gajdosova, K.Kroesen, M.Krüger, M.Krupova, D. M.Kryshen, E.Krzewicki, M.Kučera, V.Kuhn, C.Kuijer, P. G.Kumaoka, T.Kumar, D.Kumar, L.Kumar, N.Kundu, S.Kurashvili, P.Kurepin, A.Kurepin, A. B.Kuryakin, A.Kushpil, S.Kvapil, J.Kweon, M. J.Kwon, J. Y.Kwon, Y.La Pointe, S. L.La Rocca, P.Lai, Y. S.Lakrathok, A.Lamanna, M.Langoy, R.Larionov, P.Laudi, E.Lautner, L.Lavicka, R.Lazareva, T.Lea, R.Lehrbach, J.Lemmon, R. C.León Monzón, I.Lesch, M. M.Lesser, E. D.Lettrich, M.Lévai, P.Li, X.Li, X. L.Lien, J.Lietava, R.Lim, B.Lim, S. H.Lindenstruth, V.Lindner, A.Lippmann, C.Liu, A.Liu, D. H.Liu, J.Lofnes, I. M.Loginov, V.Loizides, C.Loncar, P.Lopez, J. A.Lopez, X.López Torres, E.Lu, P.Luhder, J. R.Lunardon, M.Luparello, G.Ma, Y. G.Maevskaya, A.Mager, M.Mahmoud, T.Maire, A.Malaev, M.Malik, N. M.Malik, Q. W.Malik, S. K.Malinina, L.Mal’Kevich, D.Mallick, D.Mallick, N.Mandaglio, G.Manko, V.Manso, F.Manzari, V.Mao, Y.Margagliotti, G. V.Margotti, A.Marín, A.Markert, C.Marquard, M.Martin, N. A.Martinengo, P.Martinez, J. L.Martínez, M. I.Martínez García, G.Masciocchi, S.Masera, M.Masoni, A.Massacrier, L.Mastroserio, A.Mathis, A. M.Matonoha, O.Matuoka, P. F. T.Matyja, A.Mayer, C.Mazuecos, A. L.Mazzaschi, F.Mazzilli, M.Mdhluli, J. E.Mechler, A. F.Melikyan, Y.Menchaca-Rocha, A.Meninno, E.Menon, A. S.Meres, M.Mhlanga, S.Miake, Y.Micheletti, L.Migliorin, L. C.Mihaylov, D. L.Mikhaylov, K.Mishra, A. N.Miśkowiec, D.Modak, A.Mohanty, A. P.Mohanty, B.Mohisin Khan, M.Molander, M. A.Moravcova, Z.Mordasini, C.Moreira De Godoy, D. A.Morozov, I.Morsch, A.Mrnjavac, T.Muccifora, V.Mudnic, E.Muhuri, S.Mulligan, J. D.Mulliri, A.Munhoz, M. G.Munzer, R. H.Murakami, H.Murray, S.Musa, L.Musinsky, J.Myrcha, J. W.Naik, B.Nair, R.Nandi, B. K.Nania, R.Nappi, E.Nassirpour, A. F.Nath, A.Nattrass, C.Neagu, A.Negru, A.Nellen, L.Nesbo, S. V.Neskovic, G.Nesterov, D.Nielsen, B. S.Nielsen, E. G.Nikolaev, S.Nikulin, S.Nikulin, V.Noferini, F.Noh, S.Nomokonov, P.Norman, J.Novitzky, N.Nowakowski, P.Nyanin, A.Nystrand, J.Ogino, M.Ohlson, A.Okorokov, V. A.Oleniacz, J.Oliveira Da Silva, A. C.Oliver, M. H.Onnerstad, A.Oppedisano, C.Ortiz Velasquez, A.Oskarsson, A.Otwinowski, J.Oya, M.Oyama, K.Pachmayer, Y.Padhan, S.Pagano, D.Paić, G.Palasciano, A.Panebianco, S.Park, J.Parkkila, J. E.Pathak, S. P.Patra, R. N.Paul, B.Pei, H.Peitzmann, T.Peng, X.Pereira, L. G.Pereira Da Costa, H.Peresunko, D.Perez, G. M.Perrin, S.Pestov, Y.Petráček, V.Petrov, V.Petrovici, M.Pezzi, R. P.Piano, S.Pikna, M.Pillot, P.Pinazza, O.Pinsky, L.Pinto, C.Pisano, S.Płoskoń, M.Planinic, M.Pliquett, F.Poghosyan, M. G.Polichtchouk, B.Politano, S.Poljak, N.Pop, A.Porteboeuf-Houssais, S.Porter, J.Pozdniakov, V.Prasad, S. K.Prasad, S.Preghenella, R.Prino, F.Pruneau, C. A.Pshenichnov, I.Puccio, M.Qiu, S.Quaglia, L.Quishpe, R. E.Ragoni, S.Rakotozafindrabe, A.Ramello, L.Rami, F.Ramirez, S. A. R.Rancien, T. A.Raniwala, R.Raniwala, S.Räsänen, S. S.Rath, R.Ravasenga, I.Read, K. F.Redelbach, A. R.Redlich, K.Rehman, A.Reichelt, P.Reidt, F.Reme-Ness, H. A.Rescakova, Z.Reygers, K.Riabov, A.Riabov, V.Ricci, R.Richert, T.Richter, M.Riegler, W.Riggi, F.Ristea, C.Rodríguez Cahuantzi, M.Røed, K.Rogalev, R.Rogochaya, E.Rogoschinski, T. S.Rohr, D.Röhrich, D.Rojas, P. F.Rojas Torres, S.Rokita, P. S.Ronchetti, F.Rosano, A.Rosas, E. D.Rossi, A.Roy, A.Roy, P.Roy, S.Rubini, N.Rueda, O. V.Ruggiano, D.Rui, R.Rumyantsev, B.Russek, P. G.Russo, R.Rustamov, A.Ryabinkin, E.Ryabov, Y.Rybicki, A.Rytkonen, H.Rzesa, W.Saarimaki, O. A. M.Sadek, R.Sadovsky, S.Saetre, J.Šafařík, K.Saha, S. K.Saha, S.Sahoo, B.Sahoo, P.Sahoo, R.Sahoo, S.Sahu, D.Sahu, P. K.Saini, J.Sakai, S.Salvan, M. P.Sambyal, S.Saramela, T. B.Sarkar, D.Sarkar, N.Sarma, P.Sarti, V. M.Sas, M. H. P.Schambach, J.Scheid, H. S.Schiaua, C.Schicker, R.Schmah, A.Schmidt, C.Schmidt, H. R.Schmidt, M. O.Schmidt, M.Schmidt, N. V.Schmier, A. R.Schotter, R.Schukraft, J.Schwarz, K.Schweda, K.Scioli, G.Scomparin, E.Seger, J. E.Sekiguchi, Y.Sekihata, D.Selyuzhenkov, I.Senyukov, S.Seo, J. J.Serebryakov, D.Šerkšnytė, L.Sevcenco, A.Shaba, T. J.Shabanov, A.Shabetai, A.Shahoyan, R.Shaikh, W.Shangaraev, A.Sharma, A.Sharma, D.Sharma, H.Sharma, M.Sharma, N.Sharma, S.Sharma, U.Shatat, A.Sheibani, O.Shigaki, K.Shimomura, M.Shirinkin, S.Shou, Q.Sibiriak, Y.Siddhanta, S.Siemiarczuk, T.Silva, T. F.Silvermyr, D.Simantathammakul, T.Simonetti, G.Singh, B.Singh, B.Singh, R.Singh, R.Singh, R.Singh, V. K.Singhal, V.Sinha, T.Sitar, B.Sitta, M.Skaali, T. B.Skorodumovs, G.Slupecki, M.Smirnov, N.Snellings, R. J. M.Solheim, E. H.Soncco, C.Song, J.Songmoolnak, A.Soramel, F.Sorensen, S.Spijkers, R.Sputowska, I.Staa, J.Stachel, J.Stan, I.Steffanic, P. J.Stiefelmaier, S. F.Stocco, D.Storehaug, I.Storetvedt, M. M.Stratmann, P.Strazzi, S.Stylianidis, C. P.Suaide, A. A. P.Suire, C.Sukhanov, M.Suljic, M.Sumberia, V.Sumowidagdo, S.Swain, S.Szabo, A.Szarka, I.Tabassam, U.Taghavi, S. F.Taillepied, G.Takahashi, J.Tambave, G. J.Tang, S.Tang, Z.Tapia Takaki, J. D.Tapus, N.Tarasovicova, L. A.Tarzila, M. G.Tauro, A.Tejeda Muñoz, G.Telesca, A.Terlizzi, L.Terrevoli, C.Tersimonov, G.Thakur, S.Thomas, D.Tieulent, R.Tikhonov, A.Timmins, A. R.Tkacik, M.Tkacik, T.Toia, A.Topilskaya, N.Toppi, M.Torales-Acosta, F.Tork, T.Torres Ramos, A. G.Trifiró, A.Triolo, A. S.Tripathy, S.Tripathy, T.Trogolo, S.Trubnikov, V.Trzaska, W. H.Trzcinski, T. P.Tumkin, A.Turrisi, R.Tveter, T. S.Ullaland, K.Ulukutlu, B.Uras, A.Urioni, M.Usai, G. L.Vala, M.Valle, N.Vallero, S.van Doremalen, L. V. R.van Leeuwen, M.van Veen, C. A.van Weelden, R. J. G.Vande Vyvre, P.Varga, D.Varga, Z.Varga-Kofarago, M.Vasileiou, M.Vasiliev, A.Vázquez Doce, O.Vechernin, V.Vercellin, E.Vergara Limón, S.Vermunt, L.Vértesi, R.Verweij, M.Vickovic, L.Vilakazi, Z.Villalobos Baillie, O.Vino, G.Vinogradov, A.Virgili, T.Vislavicius, V.Vodopyanov, A.Volkel, B.Völkl, M. A.Voloshin, K.Voloshin, S. A.Volpe, G.von Haller, B.Vorobyev, I.Vozniuk, N.Vrláková, J.Wagner, B.Wang, C.Wang, D.Weber, M.Wegrzynek, A.Weiglhofer, F. T.Wenzel, S. C.Wessels, J. P.Weyhmiller, S. L.Wiechula, J.Wikne, J.Wilk, G.Wilkinson, J.Willems, G. A.Windelband, B.Winn, M.Wright, J. R.Wu, W.Wu, Y.Xu, R.Yadav, A. K.Yalcin, S.Yamaguchi, Y.Yamakawa, K.Yang, S.Yano, S.Yin, Z.Yoo, I.-K.Yoon, J. H.Yuan, S.Yuncu, A.Zaccolo, V.Zampolli, C.Zanoli, H. J. C.Zanone, F.Zardoshti, N.Zarochentsev, A.Závada, P.Zaviyalov, N.Zhalov, M.Zhang, B.Zhang, S.Zhang, X.Zhang, Y.Zhao, M.Zherebchevskii, V.Zhi, Y.Zhigareva, N.Zhou, D.Zhou, Y.Zhu, J.Zhu, Y.Zinovjev, G.Zurlo, N.
Source
Journal of High Energy Physics. 2023(6)
Subject
Properties of Hadrons
Quark-Gluon Plasma
Language
English
ISSN
1029-8479
Abstract
Abstract: We report about the properties of the underlying event measured with ALICE at the LHC in pp and p–Pb collisions at sNNpTtrigpTtrigpTtrigpTtrig≈5pTtrig>10pTtrig = 5.02 TeV. The event activity, quantified by charged-particle number and summed-pT densities, is measured as a function of the leading-particle transverse momentum sNNpTtrigpTtrigpTtrigpTtrig≈5pTtrig>10pTtrig. These quantities are studied in three azimuthal-angle regions relative to the leading particle in the event: toward, away, and transverse. Results are presented for three different pT thresholds (0.15, 0.5 and 1 GeV/c) at mid-pseudorapidity (|η| < 0.8). The event activity in the transverse region, which is the most sensitive to the underlying event, exhibits similar behaviour in both pp and p–Pb collisions, namely, a steep increase with sNNpTtrigpTtrigpTtrigpTtrig≈5pTtrig>10pTtrig for low sNNpTtrigpTtrigpTtrigpTtrig≈5pTtrig>10pTtrig, followed by a saturation at sNNpTtrigpTtrigpTtrigpTtrig≈5pTtrig>10pTtrig GeV/c. The results from pp collisions are compared with existing measurements at other centre-of-mass energies. The quantities in the toward and away regions are also analyzed after the subtraction of the contribution measured in the transverse region. The remaining jet-like particle densities are consistent in pp and p–Pb collisions for sNNpTtrigpTtrigpTtrigpTtrig≈5pTtrig>10pTtrig GeV/c, whereas for lower sNNpTtrigpTtrigpTtrigpTtrig≈5pTtrig>10pTtrig values the event activity is slightly higher in p–Pb than in pp collisions. The measurements are compared with predictions from the PYTHIA 8 and EPOS LHC Monte Carlo event generators.