학술논문

Light-flavor particle production in high-multiplicity pp collisions at s= 13 TeV as a function of transverse spherocity
Document Type
Original Paper
Author
Acharya, S.Adamová, D.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.Alici, A.Alizadehvandchali, N.Alkin, A.Alme, J.Alocco, G.Alt, T.Altamura, A. R.Altsybeev, I.Alvarado, J. R.Anaam, M. N.Andrei, C.Andreou, N.Andronic, A.Anguelov, V.Antinori, F.Antonioli, P.Apadula, N.Aphecetche, L.Appelshäuser, H.Arata, C.Arcelli, S.Aresti, M.Arnaldi, R.Arneiro, J. G. M. C. A.Arsene, I. C.Arslandok, M.Augustinus, A.Averbeck, R.Azmi, M. D.Baba, H.Badalà, A.Bae, J.Baek, Y. W.Bai, X.Bailhache, R.Bailung, Y.Balbino, A.Baldisseri, A.Balis, B.Banerjee, D.Banoo, Z.Barbera, R.Barile, F.Barioglio, L.Barlou, M.Barman, B.Barnaföldi, G. G.Barnby, L. S.Barret, V.Barreto, L.Bartels, C.Barth, K.Bartsch, E.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.Bellini, F.Bellwied, R.Belokurova, S.Beltran, Y. A. V.Bencedi, G.Beole, S.Berdnikov, Y.Berdnikova, A.Bergmann, L.Besoiu, M. G.Betev, L.Bhaduri, P. P.Bhasin, A.Bhat, M. A.Bhattacharjee, B.Bianchi, L.Bianchi, N.Bielčík, J.Bielčíková, J.Biernat, J.Bigot, A. P.Bilandzic, A.Biro, G.Biswas, S.Bize, N.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.Bombara, M.Bond, P. M.Bonomi, G.Borel, H.Borissov, A.Borquez Carcamo, A. G.Bossi, H.Botta, E.Bouziani, Y. E. M.Bratrud, L.Braun-Munzinger, P.Bregant, M.Broz, M.Bruno, G. E.Buckland, M. D.Budnikov, D.Buesching, H.Bufalino, S.Buhler, P.Burmasov, N.Buthelezi, Z.Bylinkin, A.Bysiak, S. A.Cai, M.Caines, H.Caliva, A.Calvo Villar, E.Camacho, J. M. M.Camerini, P.Canedo, F. D. M.Cantway, S. L.Carabas, M.Carballo, A. A.Carnesecchi, F.Caron, R.Carvalho, L. A. D.Castillo Castellanos, J.Catalano, F.Ceballos Sanchez, C.Chakaberia, I.Chakraborty, P.Chandra, S.Chapeland, S.Chartier, M.Chattopadhyay, S.Chattopadhyay, S.Cheng, T.Cheshkov, C.Cheynis, B.Chibante Barroso, V.Chinellato, D. D.Chizzali, E. S.Cho, J.Cho, S.Chochula, P.Choudhury, D.Christakoglou, P.Christensen, C. H.Christiansen, P.Chujo, T.Ciacco, M.Cicalo, C.Cindolo, F.Ciupek, M. R.Clai, G.Colamaria, F.Colburn, J. S.Colella, D.Colocci, M.Concas, M.Conesa Balbastre, G.Conesa del Valle, Z.Contin, G.Contreras, J. G.Coquet, M. L.Cortese, P.Cosentino, M. R.Costa, F.Costanza, S.Cot, C.Crkovská, J.Crochet, P.Cruz-Torres, R.Cui, P.Dainese, A.Danisch, M. C.Danu, A.Das, P.Das, P.Das, S.Dash, A. R.Dash, S.De Caro, A.de Cataldo, G.de Cuveland, J.De Falco, A.De Gruttola, D.De Marco, N.De Martin, C.De Pasquale, S.Deb, R.Del Grande, R.Dello Stritto, L.Deng, W.Dhankher, P.Di Bari, D.Di Mauro, A.Diab, B.Diaz, R. A.Dietel, T.Ding, Y.Ditzel, J.Divià, R.Dixit, D. U.Djuvsland, Ø.Dmitrieva, U.Dobrin, A.Dönigus, B.Dubinski, J. M.Dubla, A.Dudi, S.Dupieux, P.Durkac, M.Dzalaiova, N.Eder, T. M.Ehlers, R. J.Eisenhut, F.Ejima, R.Elia, D.Erazmus, B.Ercolessi, F.Espagnon, B.Eulisse, G.Evans, D.Evdokimov, S.Fabbietti, L.Faggin, M.Faivre, J.Fan, F.Fan, W.Fantoni, A.Fasel, M.Feliciello, A.Feofilov, G.Fernández Téllez, A.Ferrandi, L.Ferrer, M. B.Ferrero, A.Ferrero, C.Ferretti, A.Feuillard, V. J. G.Filova, V.Finogeev, D.Fionda, F. M.Flatland, E.Flor, F.Flores, A. N.Foertsch, S.Fokin, I.Fokin, S.Fragiacomo, E.Frajna, E.Fuchs, U.Funicello, N.Furget, C.Furs, A.Fusayasu, T.Gaardhøje, J. J.Gagliardi, M.Gago, A. M.Gahlaut, T.Galvan, C. D.Gangadharan, D. R.Ganoti, P.Garabatos, C.García Chávez, T.Garcia-Solis, E.Gargiulo, C.Gasik, P.Gautam, A.Gay Ducati, M. B.Germain, M.Ghimouz, A.Ghosh, C.Giacalone, M.Gioachin, G.Giubellino, P.Giubilato, P.Glaenzer, A. M. C.Glässel, P.Glimos, E.Goh, D. J. Q.Gonzalez, V.Gordeev, P.Gorgon, M.Goswami, K.Gotovac, S.Grabski, V.Graczykowski, L. K.Grecka, E.Grelli, A.Grigoras, C.Grigoriev, V.Grigoryan, S.Grosa, F.Grosse-Oetringhaus, J. F.Grosso, R.Grund, D.Grunwald, N. A.Guardiano, G. G.Guernane, R.Guilbaud, M.Gulbrandsen, K.Gündem, T.Gunji, T.Guo, W.Gupta, A.Gupta, R.Gupta, R.Gwizdziel, K.Gyulai, L.Hadjidakis, C.Haider, F. U.Haidlova, S.Hamagaki, H.Hamdi, A.Han, Y.Hanley, B. G.Hannigan, R.Hansen, J.Haque, M. R.Harris, J. W.Harton, A.Hassan, H.Hatzifotiadou, D.Hauer, P.Havener, L. B.Heckel, S. T.Hellbär, E.Helstrup, H.Hemmer, M.Herman, T.Herrera Corral, G.Herrmann, F.Herrmann, S.Hetland, K. F.Heybeck, B.Hillemanns, H.Hippolyte, B.Hoffmann, F. W.Hofman, B.Hong, G. H.Horst, M.Horzyk, A.Hou, Y.Hristov, P.Hughes, C.Huhn, P.Huhta, L. M.Humanic, T. J.Hutson, A.Hutter, D.Ilkaev, R.Ilyas, H.Inaba, M.Innocenti, G. M.Ippolitov, M.Isakov, A.Isidori, T.Islam, M. S.Ivanov, M.Ivanov, M.Ivanov, V.Iversen, K. E.Jablonski, M.Jacak, B.Jacazio, N.Jacobs, P. M.Jadlovska, S.Jadlovsky, J.Jaelani, S.Jahnke, C.Jakubowska, M. J.Janik, M. A.Janson, T.Ji, S.Jia, S.Jimenez, A. A. P.Jonas, F.Jones, D. M.Jowett, J. M.Jung, J.Jung, M.Junique, A.Jusko, A.Kaewjai, J.Kalinak, P.Kalteyer, A. S.Kalweit, A.Kaplin, V.Karasu Uysal, A.Karatovic, D.Karavichev, O.Karavicheva, T.Karczmarczyk, P.Karpechev, E.Karwowska, M. J.Kebschull, U.Keidel, R.Keijdener, D. L. D.Keil, M.Ketzer, B.Khade, S. S.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.Kimura, K.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.Korwieser, M.Koryciak, S. D.Kotliarov, A.Kovalenko, V.Kowalski, M.Kozhuharov, V.Králik, I.Kravčáková, A.Krcal, L.Krivda, M.Krizek, F.Krizkova Gajdosova, K.Kroesen, M.Krüger, M.Krupova, D. M.Kryshen, E.Kučera, V.Kuhn, C.Kuijer, P. G.Kumaoka, T.Kumar, D.Kumar, L.Kumar, N.Kumar, S.Kundu, S.Kurashvili, P.Kurepin, A.Kurepin, A. B.Kuryakin, A.Kushpil, S.Kuskov, V.Kweon, M. J.Kwon, Y.La Pointe, S. L.La Rocca, P.Lakrathok, A.Lamanna, M.Landou, A. R.Langoy, R.Larionov, P.Laudi, E.Lautner, L.Lavicka, R.Lea, R.Lee, H.Legrand, I.Legras, G.Lehrbach, J.Lelek, T. M.Lemmon, R. C.León Monzón, I.Lesch, M. M.Lesser, E. D.Lévai, P.Li, X.Lien, J.Lietava, R.Likmeta, I.Lim, B.Lim, S. H.Lindenstruth, V.Lindner, A.Lippmann, C.Liu, D. H.Liu, J.Liveraro, G. S. S.Lofnes, I. M.Loizides, C.Lokos, S.Lömker, J.Loncar, P.Lopez, X.López Torres, E.Lu, P.Lugo, F. V.Luhder, J. R.Lunardon, M.Luparello, G.Ma, Y. G.Mager, M.Maire, A.Majerz, E. M.Makariev, M. V.Malaev, M.Malfattore, G.Malik, N. M.Malik, Q. W.Malik, S. K.Malinina, L.Mallick, D.Mallick, N.Mandaglio, G.Mandal, S. K.Manko, V.Manso, F.Manzari, V.Mao, Y.Marcjan, R. W.Margagliotti, G. V.Margotti, A.Marín, A.Markert, C.Martinengo, P.Martínez, M. I.Martínez García, G.Martins, M. P. P.Masciocchi, S.Masera, M.Masoni, A.Massacrier, L.Massen, O.Mastroserio, A.Matonoha, O.Mattiazzo, S.Matyja, A.Mayer, C.Mazuecos, A. L.Mazzaschi, F.Mazzilli, M.Mdhluli, J. E.Melikyan, Y.Menchaca-Rocha, A.Mendez, J. E. M.Meninno, E.Menon, A. S.Meres, M.Mhlanga, S.Miake, Y.Micheletti, L.Mihaylov, D. L.Mikhaylov, K.Mishra, A. N.Miśkowiec, D.Modak, A.Mohanty, B.Mohisin Khan, M.Molander, M. A.Monira, S.Mordasini, C.Moreira De Godoy, D. A.Morozov, I.Morsch, A.Mrnjavac, T.Muccifora, V.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.Nambrath, A. I.Nandi, B. K.Nania, R.Nappi, E.Nassirpour, A. F.Nath, A.Nattrass, C.Naydenov, M. N.Neagu, A.Negru, A.Nekrasova, E.Nellen, L.Nepeivoda, R.Nese, S.Neskovic, G.Nicassio, N.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.Oh, S.Ohlson, A.Okorokov, V. A.Oleniacz, J.Oliveira Da Silva, A. C.Onnerstad, A.Oppedisano, C.Ortiz Velasquez, A.Otwinowski, J.Oya, M.Oyama, K.Pachmayer, Y.Padhan, S.Pagano, D.Paić, G.Paisano-Guzmán, S.Palasciano, A.Panebianco, S.Park, H.Park, H.Park, J.Parkkila, J. E.Patley, Y.Patra, R. N.Paul, B.Pei, H.Peitzmann, T.Peng, X.Pennisi, M.Perciballi, S.Peresunko, D.Perez, G. M.Pestov, Y.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.Pozdniakov, V.Pozos, I. Y.Pradhan, K. K.Prasad, S. K.Prasad, S.Preghenella, R.Prino, F.Pruneau, C. A.Pshenichnov, I.Puccio, M.Pucillo, S.Pugelova, Z.Qiu, S.Quaglia, L.Ragoni, S.Rai, A.Rakotozafindrabe, A.Ramello, L.Rami, F.Rancien, T. A.Rasa, M.Räsänen, S. S.Rath, R.Rauch, M. P.Ravasenga, I.Read, K. F.Reckziegel, C.Redelbach, A. R.Redlich, K.Reetz, C. A.Regules-Medel, H. D.Rehman, A.Reidt, F.Reme-Ness, H. A.Rescakova, Z.Reygers, K.Riabov, A.Riabov, V.Ricci, R.Richter, M.Riedel, A. A.Riegler, W.Riffero, A. G.Ristea, C.Rodriguez, M. V.Rodríguez Cahuantzi, M.Rodríguez Ramírez, S. A.Røed, K.Rogalev, R.Rogochaya, E.Rogoschinski, T. S.Rohr, D.Röhrich, D.Rojas, P. F.Rojas Torres, S.Rokita, P. S.Romanenko, G.Ronchetti, F.Rosano, A.Rosas, E. D.Roslon, K.Rossi, A.Roy, A.Roy, S.Rubini, N.Ruggiano, D.Rui, R.Russek, P. G.Russo, R.Rustamov, A.Ryabinkin, E.Ryabov, Y.Rybicki, A.Rytkonen, H.Ryu, J.Rzesa, W.Saarimaki, O. A. M.Sadhu, S.Sadovsky, S.Saetre, J.Šafařík, K.Saha, P.Saha, S. K.Saha, S.Sahoo, B.Sahoo, B.Sahoo, R.Sahoo, S.Sahu, D.Sahu, P. K.Saini, J.Sajdakova, K.Sakai, S.Salvan, M. P.Sambyal, S.Samitz, D.Sanna, I.Saramela, T. B.Sarma, P.Sarritzu, V.Sarti, V. M.Sas, M. H. P.Sawan, S.Schambach, J.Scheid, H. S.Schiaua, C.Schicker, R.Schlepper, F.Schmah, A.Schmidt, C.Schmidt, H. R.Schmidt, M. O.Schmidt, M.Schmidt, N. V.Schmier, A. R.Schotter, R.Schröter, A.Schukraft, J.Schweda, K.Scioli, G.Scomparin, E.Seger, J. E.Sekiguchi, Y.Sekihata, D.Selina, M.Selyuzhenkov, I.Senyukov, S.Seo, J. J.Serebryakov, D.Šerkšnytė, L.Sevcenco, A.Shaba, T. J.Shabetai, A.Shahoyan, R.Shangaraev, A.Sharma, A.Sharma, B.Sharma, D.Sharma, H.Sharma, M.Sharma, S.Sharma, S.Sharma, U.Shatat, A.Sheibani, O.Shigaki, K.Shimomura, M.Shin, J.Shirinkin, S.Shou, Q.Sibiriak, Y.Siddhanta, S.Siemiarczuk, T.Silva, T. F.Silvermyr, D.Simantathammakul, T.Simeonov, R.Singh, B.Singh, B.Singh, K.Singh, R.Singh, R.Singh, R.Singh, S.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.Song, J.Sonnabend, C.Soramel, F.Soto-hernandez, A. B.Spijkers, R.Sputowska, I.Staa, J.Stachel, J.Stan, I.Steffanic, P. J.Stiefelmaier, S. F.Stocco, D.Storehaug, I.Stratmann, P.Strazzi, S.Sturniolo, A.Stylianidis, C. P.Suaide, A. A. P.Suire, C.Sukhanov, M.Suljic, M.Sultanov, R.Sumberia, V.Sumowidagdo, S.Swain, S.Szarka, I.Szymkowski, M.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.Tassielli, G. F.Tauro, A.Tavira García, A.Tejeda Muñoz, G.Telesca, A.Terlizzi, L.Terrevoli, C.Thakur, S.Thomas, D.Tikhonov, A.Tiltmann, N.Timmins, A. R.Tkacik, M.Tkacik, T.Toia, A.Tokumoto, R.Tomohiro, K.Topilskaya, N.Toppi, M.Tork, T.Torres, V. V.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.Usai, G. L.Vala, M.Valle, N.van Doremalen, L. V. R.van Leeuwen, M.van Veen, C. A.van Weelden, R. J. G.Vande Vyvre, P.Varga, D.Varga, Z.Vargas Torres, P.Vasileiou, M.Vasiliev, A.Vázquez Doce, O.Vazquez Rueda, O.Vechernin, V.Vercellin, E.Vergara Limón, S.Verma, R.Vermunt, L.Vértesi, R.Verweij, M.Vickovic, L.Vilakazi, Z.Villalobos Baillie, O.Villani, A.Vinogradov, A.Virgili, T.Virta, M. M. O.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.Wan, J.Wang, C.Wang, D.Wang, Y.Wang, Y.Wegrzynek, A.Weiglhofer, F. T.Wenzel, S. C.Wessels, J. P.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.Yadav, A. K.Yalcin, S.Yamaguchi, Y.Yang, S.Yano, S.Yin, Z.Yoo, I.-K.Yoon, J. H.Yu, H.Yuan, S.Yuncu, A.Zaccolo, V.Zampolli, C.Zanone, F.Zardoshti, N.Zarochentsev, A.Závada, P.Zaviyalov, N.Zhalov, M.Zhang, B.Zhang, C.Zhang, L.Zhang, M.Zhang, S.Zhang, X.Zhang, Y.Zhang, Z.Zhao, M.Zherebchevskii, V.Zhi, Y.Zhou, D.Zhou, Y.Zhu, J.Zhu, Y.Zugravel, S. C.Zurlo, N.
Source
Journal of High Energy Physics. 2024(5)
Subject
Hadron-Hadron Scattering
Particle and Resonance Production
Language
English
ISSN
1029-8479
Abstract
Abstract: Results on the transverse spherocity dependence of light-flavor particle production (π, K, p, ϕ, K*0, KS0sSOpT=1SOpT=1SOpT=1SOpT=1, Λ, Ξ) at midrapidity in high-multiplicity pp collisions at KS0sSOpT=1SOpT=1SOpT=1SOpT=1 = 13 TeV were obtained with the ALICE apparatus. The transverse spherocity estimator KS0sSOpT=1SOpT=1SOpT=1SOpT=1 categorizes events by their azimuthal topology. Utilizing narrow selections on KS0sSOpT=1SOpT=1SOpT=1SOpT=1, it is possible to contrast particle production in collisions dominated by many soft initial interactions with that observed in collisions dominated by one or more hard scatterings. Results are reported for two multiplicity estimators covering different pseudorapidity regions. The KS0sSOpT=1SOpT=1SOpT=1SOpT=1 estimator is found to effectively constrain the hardness of the events when the midrapidity (|η| < 0.8) estimator is used.The production rates of strange particles are found to be slightly higher for soft isotropic topologies, and severely suppressed in hard jet-like topologies. These effects are more pronounced for hadrons with larger mass and strangeness content, and observed when the topological selection is done within a narrow multiplicity interval. This demonstrates that an important aspect of the universal scaling of strangeness enhancement with final-state multiplicity is that high-multiplicity collisions are dominated by soft, isotropic processes. On the contrary, strangeness production in events with jet-like processes is significantly reduced.The results presented in this article are compared with several QCD-inspired Monte Carlo event generators. Models that incorporate a two-component phenomenology, either through mechanisms accounting for string density, or thermal production, are able to describe the observed strangeness enhancement as a function of KS0sSOpT=1SOpT=1SOpT=1SOpT=1.