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  1. Pubblicazioni

Using Z Boson Events to Study Parton-Medium Interactions in Pb-Pb Collisions

Articolo
Data di Pubblicazione:
2022
Abstract:
The spectra measurements of charged hadrons produced in the shower of a parton originating in the same hard scattering with a leptonically decaying Z boson arc reported in lead-lead nuclei (Pb-Pb) and proton-proton (pp) collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV. Both Pb-Pb and pp data sets are recorded by the CMS experiment at the LHC and correspond to an integrated luminosity of 1.7 nb(-1) and 320 pb(-1), respectively. Hadronic collision data with one reconstructed Z boson candidate with the transverse momentum p(T) > 30 GeV/c are analyzed. The Z boson constrains the initial energy and direction of the associated parton. In heavy ion events, azimuthal angular distributions of charged hadrons with respect to the direction of a Z boson are sensitive to modifications of the in-medium parton shower and medium response. compared to reference data from pp interactions, the results for central Pb-Pb collisions indicate a modification of the angular correlations. The measurements of the fragmentation functions and p(T) spectra of charged particles in Z boson events, which are sensitive to medium modifications of the parton shower longitudinal structure, are also reported. Significant modifications in central Pb-Pb events compared to the pp reference data are also found for these observables.
Tipologia CRIS:
03A-Articolo su Rivista
Elenco autori:
Sirunyan, A M; Tumasyan, A; Adam, W; Ambrogi, F; Bergauer, T; Dragicevic, M; Erö, J; Escalante Del Valle, A; Frühwirth, R; Jeitler, M; Krammer, N; Lechner, L; Liko, D; Madlener, T; Mikulec, I; Pitters, F M; Rad, N; Schieck, J; Schöfbeck, R; Spanring, M; Templ, S; Waltenberger, W; Wulz, C-E; Zarucki, M; Chekhovsky, V; Litomin, A; Makarenko, V; Suarez Gonzalez, J; Darwish, M R; De Wolf, E A; Di Croce, D; Janssen, X; Kello, T; Lelek, A; Pieters, M; Rejeb Sfar, H; Van Haevermaet, H; Van Mechelen, P; Van Putte, S; Van Remortel, N; Blekman, F; Bols, E S; Chhibra, S S; D'Hondt, J; De Clercq, J; Lontkovskyi, D; Lowette, S; Marchesini, I; Moortgat, S; Morton, A; Python, Q; Tavernier, S; Van Doninck, W; Van Mulders, P; Beghin, D; Bilin, B; Clerbaux, B; De Lentdecker, G; Dorney, B; Favart, L; Grebenyuk, A; Kalsi, A K; Makarenko, I; Moureaux, L; Pétré, L; Popov, A; Postiau, N; Starling, E; Thomas, L; Vander Velde, C; Vanlaer, P; Vannerom, D; Wezenbeek, L; Cornelis, T; Dobur, D; Gruchala, M; Khvastunov, I; Niedziela, M; Roskas, C; Skovpen, K; Tytgat, M; Verbeke, W; Vermassen, B; Vit, M; Bruno, G; Bury, F; Caputo, C; David, P; Delaere, C; Delcourt, M; Donertas, I S; Giammanco, A; Lemaitre, V; Mondal, K; Prisciandaro, J; Taliercio, A; Teklishyn, M; Vischia, P; Wuyckens, S; Zobec, J; Alves, G A; Correia Silva, G; Hensel, C; Moraes, A; Aldá Júnior, W L; Belchior Batista Das Chagas, E; Brandao Malbouisson, H; Carvalho, W; Chinellato, J; Coelho, E; Da Costa, E M; Da Silveira, G G; De Jesus Damiao, D; Fonseca De Souza, S; Martins, J; Matos Figueiredo, D; Medina Jaime, M; Melo De Almeida, M; Mora Herrera, C; Mundim, L; Nogima, H; Rebello Teles, P; Sanchez Rosas, L J; Santoro, A; Silva Do Amaral, S M; Sznajder, A; Thiel, M; Tonelli Manganote, E J; Torres Da Silva De Araujo, F; Vilela Pereira, A; Bernardes, C A; Calligaris, L; Tomei, T R Fernandez Perez; Gregores, E M; Lemos, D S; Mercadante, P G; Novaes, S F; Padula, Sandra S; Aleksandrov, A; Antchev, G; Atanasov, I; Hadjiiska, R; Iaydjiev, P; Misheva, M; Rodozov, M; Shopova, M; Sultanov, G; Bonchev, M; Dimitrov, A; Ivanov, T; Litov, L; Pavlov, B; Petkov, P; Petrov, A; Fang, W; Guo, Q; Wang, H; Yuan, L; Ahmad, M; Hu, Z; Wang, Y; Chapon, E; Chen, G M; Chen, H S; Chen, M; Leggat, D; Liao, H; Liu, Z; Sharma, R; Spiezia, A; Tao, J; Thomas-Wilsker, J; Wang, J; Zhang, H; Zhang, S; Zhao, J; Agapitos, A; Ban, Y; Chen, C; Levin, A; Li, Q; Lu, M; Lyu, X; Mao, Y; Qian, S J; Wang, D; Wang, Q; Xiao, J; You, Z; Gao, X; Xiao, M; Avila, C; Cabrera, A; Florez, C; Fraga, J; Sarkar, A; Segura Delgado, M A; Jaramillo, J; Mejia Guisao, J; Ramirez, F; Ruiz Alvarez, J D; Salazar González, C A; Vanegas Arbelaez, N; Giljanovic, D; Godinovic, N; Lelas, D; Puljak, I; Sculac, T; Antunovic, Z; Kovac, M; Brigljevic, V; Ferencek, D; Majumder, D; Roguljic, M; Starodumov, A; Susa, T; Ather, M W; Attikis, A; Erodotou, E; Ioannou, A; Kole, G; Kolosova, M; Konstantinou, S; Mavromanolakis, G; Mousa, J; Nicolaou, C; Ptochos, F; Razis, P A; Rykaczewski, H; Saka, H; Tsiakkouri, D; Finger, M; Finger, M; Kveton, A; Tomsa, J; Ayala, E; Carrera Jarrin, E; Abdalla, H; Abu Zeid, S; Ellithi Kamel, A; Mahmoud, M A; Mohammed, Y; Bhowmik, S; Carvalho Antunes De Oliveira, A; Dewanjee, R K; Ehataht, K; Kadastik, M; Raidal, M; Veelken, C; Eerola, P; Forthomme, L; Kirschenmann, H; Osterberg, K; Voutilainen, M; Brücken, E; Garcia, F; Havukainen, J; Karimäki, V; Kim, M S; Kinnunen, R; Lampén, T; Lassila-Perini, K; Laurila, S; Lehti, S; Lindén, T; Siikonen, H; Tuominen, E; Tuominiemi, J; Luukka, P; Tuuva, T; Amendola, C; Besancon, M; Couderc, F; Dejardin, M; Denegri, D; Faure, J L; Ferri, F; Ganjour, S; Givernaud, A; Gras, P; Hamel de Monchenault, G; Jarry, P; Lenzi, B; Locci, E; Malcles, J; Rander, J; Rosowsky, A; Sahin, M Ö; Savoy-Navarro, A; Titov, M; Yu, G B; Ahuja, S; Beaudette, F; Bonanomi, M; Buchot Perraguin, A; Busson, P; Charlot, C; Davignon, O; Diab, B; Falmagne, G; Granier de Cassagnac, R; Hak
Autori di Ateneo:
AMAPANE Nicola Carlo
ARGIRO' Stefano
BELLAN Riccardo
BELLORA ANDREA
COSTA Marco
COVARELLI Roberto
MIGLIORE Ernesto
MONACO Vincenzo
OBERTINO Maria Margherita
PACHER Luca
RUMERIO Paolo Giuseppe
SOLA Valentina
SOLANO Ada Maria
Link alla scheda completa:
https://iris.unito.it/handle/2318/1886324
Link al Full Text:
https://iris.unito.it/retrieve/handle/2318/1886324/1072023/PhysRevLett.128.122301.pdf
Pubblicato in:
PHYSICAL REVIEW LETTERS
Journal
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