학술논문

Centrality dependence of pi, K, and p production in Pb-Pb collisions at root s(NN)=2.76 TeV
Document Type
Author
Abelev, B.Adam, J.Adamova, D.Adare, A. M.Aggarwal, M. M.Rinella, G. AglieriAgnello, M.Agocs, A. G.Agostinelli, A.Ahammed, Z.Ahmad, N.Masoodi, A. AhmadAhn, S. A.Ahn, S. U.Ajaz, M.Akindinov, A.Aleksandrov, D.Alessandro, B.Alici, A.Alkin, A.Almaraz Avina, E.Alme, J.Alt, T.Altini, V.Altinpinar, S.Altsybeev, I.Andrei, C.Andronic, A.Anguelov, V.Anielski, J.Anson, C.Anticic, T.Antinori, F.Antonioli, P.Aphecetche, L.Appelshaeuser, H.Arbor, N.Arcelli, S.Arend, A.Armesto, N.Arnaldi, R.Aronsson, T.Arsene, I. C.Arslandok, M.Asryan, A.Augustinus, A.Averbeck, R.Awes, T. C.Aysto, J.Azmi, M. D.Bach, M.Badala, A.Baek, Y. W.Bailhache, R.Bala, R.Baldisseri, A.Pedrosa, F. Baltasar Dos SantosBan, J.Baral, R. C.Barbera, R.Barile, F.Barnafoeldi, G. G.Barnby, L. S.Barret, V.Bartke, J.Basile, M.Bastid, N.Basu, S.Bathen, B.Batigne, G.Batyunya, B.Baumann, C.Bearden, I. G.Beck, H.Behera, N. K.Belikov, I.Bellini, F.Bellwied, R.Belmont-Moreno, E.Bencedi, G.Beole, S.Berceanu, I.Bercuci, A.Berdnikov, Y.Berenyi, D.Bergognon, A. A. E.Berzano, D.Betev, L.Bhasin, A.Bhati, A. K.Bhom, J.Bianchi, L.Bianchi, N.Bielcik, J.Bielcikova, J.Bilandzic, A.Bjelogrlic, S.Blanco, F.Blau, D.Blume, C.Boccioli, M.Boettger, S.Bogdanov, A.Boggild, H.Bogolyubsky, M.Boldizsar, L.Bombara, M.Book, J.Borel, H.Borissov, A.Bossu, F.Botje, M.Botta, E.Braidot, E.Braun-Munzinger, P.Bregant, M.Breitner, T.Broker, T. A.Browning, T. A.Broz, M.Brun, R.Bruna, E.Bruno, G. E.Budnikov, D.Buesching, H.Bufalino, S.Buncic, P.Busch, O.Buthelezi, Z.Caffarri, D.Cai, X.Caines, H.Calvo Villar, E.Camerini, P.Canoa Roman, V.Romeo, G. CaraCarena, F.Carena, W.Carlin Filho, N.Carminati, F.Diaz, A. CasanovaCastellanos, J. CastilloHernandez, J. F. CastilloCasula, E. A. R.Catanescu, V.Cavicchioli, C.Ceballos Sanchez, C.Cepila, J.Cerello, P.Chang, B.Chapeland, S.Charvet, J. L.Chattopadhyay, S.Cherney, M.Cheshkov, C.Cheynis, B.Barroso, V. ChibanteChinellato, D. D.Chochula, P.Chojnacki, M.Choudhury, S.Christakoglou, P.Christensen, C. H.Christiansen, PeterChujo, T.Chung, S. U.Cicalo, C.Cifarelli, L.Cindolo, F.Cleymans, J.Colamaria, F.Colella, D.Collu, A.Balbastre, G. Conesadel Valle, Z. ConesaConnors, M. E.Contin, G.Contreras, J. G.Cormier, M.Morales, Y. CorralesCortese, P.Cortes Maldonado, I.Cosentino, M. R.Costa, F.Cotallo, M. E.Crescio, E.Crochet, P.Cruz Alaniz, E.Cruz Albino, R.Cuautle, E.Cunqueiro, L.Dainese, A.Danu, A.Das, K.Das, I.Das, S.Das, D.Dash, S.Dash, A.De, S.de Barros, G. O. V.De Caro, A.de Cataldo, G.de Cuveland, J.De Falco, A.De Gruttola, D.Delagrange, H.Deloff, A.De Marco, N.Denes, E.De Pasquale, S.Deppman, A.Erasmo, G. D.de Rooij, R.Corchero, M. A. DiazDi Bari, D.Dietel, T.Di Giglio, C.Di Liberto, S.Di Mauro, A.Di Nezza, P.Divia, R.Djuvsland, O.Dobrin, AlexandruDobrowolski, T.Doenigus, B.Dordic, O.Driga, O.Dubey, A. K.Dubla, A.Ducroux, L.Dupieux, P.Majumdar, A. K. DuttaElia, D.Emschermann, D.Engel, H.Erazmus, B.Erdal, H. A.Espagnon, B.Estienne, M.Esumi, S.Evans, D.Eyyubova, G.Fabris, D.Faivre, J.Falchieri, D.Fantoni, A.Fasel, M.Fearick, R.Fehlker, D.Feldkamp, L.Felea, D.Feliciello, A.Fenton-Olsen, B.Feofilov, G.Fernandez Tellez, A.Ferretti, A.Festanti, A.Figiel, J.Figueredo, M. A. S.Filchagin, S.Finogeev, D.Fionda, F. M.Fiore, E. M.Floratos, E.Floris, M.Foertsch, S.Foka, P.Fokin, S.Fragiacomo, E.Francescon, A.Frankenfeld, U.Fuchs, U.Furget, C.Girard, M. FuscoGaardhoje, J. J.Gagliardi, M.Gago, A.Gallio, M.Gangadharan, D. R.Ganoti, P.Garabatos, C.Garcia-Solis, E.Gargiulo, C.Garishvili, I.Gerhard, J.Germain, M.Geuna, C.Gheata, A.Gheata, M.Ghidini, B.Ghosh, P.Gianotti, P.Girard, M. R.Giubellino, P.Gladysz-Dziadus, E.Glaessel, P.Gomez, R.Ferreiro, E. G.Gonzalez-Trueba, L. H.Gonzalez-Zamora, P.Gorbunov, S.Goswami, A.Gotovac, S.Graczykowski, L. K.Grajcarek, R.Grelli, A.Grigoras, A.Grigoras, C.Grigoriev, V.Grigoryan, S.Grigoryan, A.Grinyov, B.Grion, N.Gros, PhilippeGrosse-Oetringhaus, J. F.Grossiord, J. -Y.Grosso, R.Guber, F.Guernane, R.Guerzoni, B.Guilbaud, M.Gulbrandsen, K.Gulkanyan, H.Gunji, T.Gupta, R.Gupta, A.Haake, R.Haaland, O.Hadjidakis, C.Haiduc, M.Hamagaki, H.Hamar, G.Han, B. H.Hanratty, L. D.Hansen, A.Harmanova-Tothova, Z.Harris, J. W.Hartig, M.Harton, A.Hatzifotiadou, D.Hayashi, S.Hayrapetyan, A.Heckel, S. T.Heide, M.Helstrup, H.Herghelegiu, A.Herrera Corral, G.Herrmann, N.Hess, B. A.Hetland, K. F.Hicks, B.Hippolyte, B.Hori, Y.Hristov, P.Hrivnacova, I.Huang, M.Humanic, T. J.Hwang, D. S.Ichou, R.Ilkaev, R.Ilkiv, I.Inaba, M.Incani, E.Innocenti, G. M.Innocenti, P. G.Ippolitov, M.Irfan, M.Ivan, C.Ivanov, M.Ivanov, A.Ivanov, V.Ivanytskyi, O.Jacholkowski, A.Jacobs, P. M.Jang, H. J.Janik, M. A.Janik, R.Jayarathna, P. H. S. Y.Jena, S.Jha, D. M.Jimenez Bustamante, R. T.Jones, P. G.Jung, H.Jusko, A.Kaidalov, A. B.Kalcher, S.Kalinak, P.Kalliokoski, T.Kalweit, A.Kang, J. H.Kaplin, V.Uysal, A. KarasuKaravichev, O.Karavicheva, T.Karpechev, E.Kazantsev, A.Kebschull, U.Keidel, R.Khan, M. M.Khan, K. H.Khan, P.Khan, S. A.Khanzadeev, A.Kharlov, Y.Kileng, B.Kim, T.Kim, J. S.Kim, D. J.Kim, S.Kim, M.Kim, B.Kim, D. W.Kim, J. H.Kirsch, S.Kisel, I.Kiselev, S.Kisiel, A.Klay, J. L.Klein, J.Klein-Boesing, C.Kliemant, M.Kluge, A.Knichel, M. L.Knospe, A. G.Koehler, M. K.Kollegger, T.Kolojvari, A.Kompaniets, M.Kondratiev, V.Kondratyeva, N.Konevskikh, A.Kovalenko, V.Kowalski, M.Kox, S.Meethaleveedu, G. KoyithattaKral, J.Kralik, I.Kramer, F.Kravcakova, A.Krawutschke, T.Krelina, M.Kretz, M.Krivda, M.Krizek, F.Krus, M.Kryshen, E.Krzewicki, M.Kucheriaev, Y.Kugathasan, T.Kuhn, C.Kuijer, P. G.Kulakov, I.Kumar, J.Kurashvili, P.Kurepin, A.Kurepin, A. B.Kuryakin, A.Kushpil, S.Kushpil, V.Kvaerno, H.Kweon, M. J.Kwon, Y.Ladron de Guevara, P.Lakomov, I.Langoy, R.La Pointe, S. L.Lara, C.Lardeux, A.La Rocca, P.Lea, R.Lechman, M.Lee, K. S.Lee, G. R.Lee, S. C.Legrand, I.Lehnert, J.Lemmon, R. C.Lenhardt, M.Lenti, V.Leon, H.Leon Monzon, I.Vargas, H. LeonLevai, P.Li, S.Lien, J.Lietava, R.Lindal, S.Lindenstruth, V.Lippmann, C.Lisa, M. A.Ljunggren, MartinLodato, D. F.Loenne, P. I.Loggins, V. R.Loginov, V.Lohner, D.Loizides, C.Loo, K. K.Lopez, X.Lopez Torres, E.Lovhoiden, G.Lu, X. -G.Luettig, P.Lunardon, M.Luo, J.Luparello, G.Luzzi, C.Ma, R.Ma, K.Madagodahettige-Don, D. M.Maevskaya, A.Mager, M.Mahapatra, D. P.Maire, A.Malaev, M.Maldonado Cervantes, I.Malinina, L.Mal'Kevich, D.Malzacher, P.Mamonov, A.Manceau, L.Mangotra, L.Manko, V.Manso, F.Manukyan, N.Manzari, V.Mao, Y.Marchisone, M.Mares, J.Margagliotti, G. V.Margotti, A.Marin, A.Markert, C.Marquard, M.Martashvili, I.Martin, N. A.Martinengo, P.Martinez, M. I.Martinez Davalos, A.Garcia, G. MartinezMartynov, Y.Mas, A.Masciocchi, S.Masera, M.Masoni, A.Massacrier, L.Mastroserio, A.Matyja, A.Mayer, C.Mazer, J.Mazzoni, M. A.Meddi, F.Menchaca-Rocha, A.Perez, J. MercadoMeres, M.Miake, Y.Mikhaylov, K.Milano, L.Milosevic, J.Mischke, A.Mishra, A. N.Miskowiec, D.Mitu, C.Mizuno, S.Mlynarz, J.Mohanty, B.Molnar, L.Montano Zetina, L.Monteno, M.Montes, E.Moon, T.Morando, M.Moreira de Godoy, D. A.Moretto, S.Morreale, A.Morsch, A.Muccifora, V.Mudnic, E.Muhuri, S.Mukherjee, M.Mueller, H.Munhoz, M. G.Murray, S.Musa, L.Musinsky, J.Nandi, B. K.Nania, R.Nappi, E.Nattrass, C.Nayak, T. K.Nazarenko, S.Nedosekin, A.Nicassio, M.Niculescu, M.Nielsen, B. S.Niida, T.Nikolaev, S.Nikolic, V.Nikulin, S.Nikulin, V.Nilsen, B. S.Nilsson, M. S.Noferini, F.Nomokonov, P.Nooren, G.Nyanin, A.Nyatha, A.Nygaard, C.Nystrand, J.Ochirov, A.Oeschler, H.Oh, S. K.Oh, S.Oleniacz, J.Oliveira da Silva, A. C.Oppedisano, C.Ortiz Velasquez, AntonioOskarsson, AndersOstrowski, P.Otwinowski, J.Oyama, K.Ozawa, K.Pachmayer, Y.Pachr, M.Padilla, F.Pagano, P.Paic, G.Painke, F.Pajares, C.Pal, S. K.Palaha, A.Palmeri, A.Papikyan, V.Pappalardo, G. S.Park, W. J.Passfeld, A.Pastircak, B.Patalakha, D. I.Paticchio, V.Paul, B.Pavlinov, A.Pawlak, T.Peitzmann, T.Da Costa, H. PereiraPereira De Oliveira Filho, E.Peresunko, D.Lara, C. E. PerezPerrino, D.Peryt, W.Pesci, A.Peskov, V.Pestov, Y.Petracek, V.Petran, M.Petris, M.Petrov, P.Petrovici, M.Petta, C.Piano, S.Pikna, M.Pillot, P.Pinazza, O.Pinsky, L.Pitz, N.Piyarathna, D. B.Planinic, M.Ploskon, M.Pluta, J.Pocheptsov, T.Pochybova, S.Podesta-Lerma, P. L. M.Poghosyan, M. G.Polak, K.Polichtchouk, B.Poljak, N.Pop, A.Porteboeuf-Houssais, S.Pospisil, V.Potukuchi, B.Prasad, S. K.Preghenella, R.Prino, F.Pruneau, C. A.Pshenichnov, I.Puddu, G.Punin, V.Putis, M.Putschke, J.Qvigstad, H.Rachevski, A.Rademakers, A.Raeihae, T. S.Rak, J.Rakotozafindrabe, A.Ramello, L.Ramirez Reyes, A.Raniwala, S.Raniwala, R.Raesaenen, S. S.Rascanu, B. T.Rathee, D.Read, K. F.Real, J. S.Redlich, K.Reed, R. J.Rehman, A.Reichelt, P.Reicher, M.Renfordt, R.Reolon, A. R.Reshetin, A.Rettig, F.Revol, J. -P.Reygers, K.Riccati, L.Ricci, R. A.Richert, TuvaRichter, M.Riedler, P.Riegler, W.Riggi, F.Rodriguez Cahuantzi, M.Manso, A. RodriguezRoed, K.Rogochaya, E.Rohr, D.Roehrich, D.Romita, R.Ronchetti, F.Rosnet, P.Rossegger, S.Rossi, A.Roy, C.Roy, P.Rubio Montero, A. J.Rui, R.Russo, R.Ryabinkin, E.Rybicki, A.Sadovsky, S.Safarik, K.Sahoo, R.Sahu, P. K.Saini, J.Sakaguchi, H.Sakai, S.Sakata, D.Salgado, C. A.Salzwedel, J.Sambyal, S.Samsonov, V.Castro, X. SanchezSandor, L.Sandoval, A.Sano, M.Santagati, G.Santoro, R.Sarkamo, J.Scapparone, E.Scarlassara, F.Scharenberg, R. P.Schiaua, C.Schicker, R.Schmidt, H. R.Schmidt, C.Schuchmann, S.Schukraft, J.Schuster, T.Schutz, Y.Schwarz, K.Schweda, K.Scioli, G.Scomparin, E.Scott, R.Scott, P. A.Segato, G.Selyuzhenkov, I.Senyukov, S.Seo, J.Serci, S.Serradilla, E.Sevcenco, A.Shabetai, A.Shabratova, G.Shahoyan, R.Sharma, S.Sharma, N.Rohni, S.Shigaki, K.Shtejer, K.Sibiriak, Y.Sicking, E.Siddhanta, S.Siemiarczuk, T.Silvermyr, D.Silvestre, C.Simatovic, G.Simonetti, G.Singaraju, R.Singh, R.Singha, S.Singhal, V.Sinha, T.Sinha, B. C.Sitar, B.Sitta, M.Skaali, T. B.Skjerdal, K.Smakal, R.Smirnov, N.Snellings, R. J. M.Sogaard, CarstenSoltz, R.Son, H.Song, J.Song, M.Soos, C.Soramel, F.Sputowska, I.Spyropoulou-Stassinaki, M.Srivastava, B. K.Stachel, J.Stan, I.Stefanek, G.Steinpreis, M.Stenlund, EvertSteyn, G.Stiller, J. H.Stocco, D.Stolpovskiy, M.Strmen, P.Suaide, A. A. P.Vasquez, M. A. SubietaSugitate, T.Suire, C.Sultanov, R.Sumbera, M.Susa, T.Symons, T. J. M.Szanto de Toledo, A.Szarka, I.Szczepankiewicz, A.Szymanski, M.Takahashi, J.Tangaro, M. A.Takaki, J. D. TapiaPeloni, A. TarantolaMartinez, A. TarazonaTauro, A.Tejeda Munoz, G.Telesca, A.Ter Minasyan, A.Terrevoli, C.Thaeder, J.Thomas, D.Tieulent, R.Timmins, A. R.Tlusty, D.Toia, A.Torii, H.Toscano, L.Trubnikov, V.Truesdale, D.Trzaska, W. H.Tsuji, T.Tumkin, A.Turrisi, R.Tveter, T. S.Ulery, J.Ullaland, K.Ulrich, J.Uras, A.Urciuoli, G. M.Usai, G. L.Vajzer, M.Vala, M.Palomo, L. ValenciaVyvre, P. Vandevan Leeuwen, M.Vannucci, L.Vargas, A.Varma, R.Vasileiou, M.Vasiliev, A.Vechernin, V.Veldhoen, M.Venaruzzo, M.Vercellin, E.Vergara, S.Vernet, R.Verweij, M.Vickovic, L.Viesti, G.Viinikainen, J.Vilakazi, Z.Baillie, O. VillalobosVinogradov, L.Vinogradov, Y.Vinogradov, A.Virgili, T.Viyogi, Y. P.Vodopyanov, A.Voelkl, M. A.Voloshin, S.Voloshin, K.Volpe, G.von Haller, B.Vorobyev, I.Vranic, D.Vrlakova, J.Vulpescu, B.Vyushin, A.Wagner, V.Wagner, B.Wan, R.Wang, Y.Wang, M.Wang, D.Watanabe, K.Weber, M.Wessels, J. P.Westerhoff, U.Wiechula, J.Wikne, J.Wilde, M.Wilk, A.Wilk, G.Williams, M. C. S.Windelband, B.Karampatsos, L. XaplanterisYaldo, C. G.Yamaguchi, Y.Yang, H.Yang, S.Yasnopolskiy, S.Yi, J.Yin, Z.Yoo, I. -K.Yoon, J.Yu, W.Yuan, X.Yushmanov, I.Zaccolo, V.Zach, C.Zampolli, C.Zaporozhets, S.Zarochentsev, A.Zavada, P.Zaviyalov, N.Zbroszczyk, H.Zelnicek, P.Zgura, I. S.Zhalov, M.Zhang, X.Zhang, H.Zhou, Y.Zhou, F.Zhou, D.Zhu, J.Zhu, X.Zhu, H.Zichichi, A.Zimmermann, A.Zinovjev, G.Zoccarato, Y.Zynovyev, M.Zyzak, M.
Source
Physical Review C (Nuclear Physics). 88(4)
Subject
Naturvetenskap
Fysik
Subatomär fysik
Natural Sciences
Physical Sciences
Subatomic Physics
Language
English
ISSN
0556-2813
Abstract
In this paper measurements are presented of pi(+/-), K-+/-, p, and (p) over bar production at midrapidity (vertical bar y vertical bar < 0.5), in Pb-Pb collisions at root s(NN) = 2.76 TeV as a function of centrality. The measurement covers the transverse-momentum (p(T)) range from 100, 200, and 300 MeV/c up to 3, 3, and 4.6 GeV/c for pi, K, and p, respectively. The measured p(T) distributions and yields are compared to expectations based on hydrodynamic, thermal and recombination models. The spectral shapes of central collisions show a stronger radial flow than measured at lower energies, which can be described in hydrodynamic models. In peripheral collisions, the p(T) distributions are not well reproduced by hydrodynamic models. Ratios of integrated particle yields are found to be nearly independent of centrality. The yield of protons normalized to pions is a factor similar to 1.5 lower than the expectation from thermal models.