학술논문

Production of pions, kaons and protons in pp collisions at $\sqrt{s}= 900~\mathrm{GeV}$ with ALICE at the LHC
Document Type
Original Paper
Author
Aamodt, K.Abel, N.Abeysekara, U.Abrahantes Quintana, A.Abramyan, A.Adamová, D.Aggarwal, M. M.Aglieri Rinella, G.Agocs, A. G.Aguilar Salazar, S.Ahammed, Z.Ahmad, A.Ahmad, N.Ahn, S. U.Akimoto, R.Akindinov, A.Aleksandrov, D.Alessandro, B.Alfaro Molina, R.Alici, A.Almaráz Aviña, E.Alme, J.Alt, T.Altini, V.Altinpinar, S.Andrei, C.Andronic, A.Anelli, G.Angelov, V.Anson, C.Antičić, T.Antinori, F.Antinori, S.Antipin, K.Antończyk, D.Antonioli, P.Anzo, A.Aphecetche, L.Appelshäuser, H.Arcelli, S.Arceo, R.Arend, A.Armesto, N.Arnaldi, R.Aronsson, T.Arsene, I. C.Asryan, A.Augustinus, A.Averbeck, R.Awes, T. C.Äystö, J.Azmi, M. D.Bablok, S.Bach, M.Badalà, A.Baek, Y. W.Bagnasco, S.Bailhache, R.Bala, R.Baldisseri, A.Baldit, A.Bán, J.Barbera, R.Barnaföldi, G. G.Barnby, L. S.Barret, V.Bartke, J.Barile, F.Basile, M.Basmanov, V.Bastid, N.Bathen, B.Batigne, G.Batyunya, B.Baumann, C.Bearden, I. G.Becker, B.Belikov, I.Bellwied, R.Belmont-Moreno, E.Belogianni, A.Benhabib, L.Beole, S.Berceanu, I.Bercuci, A.Berdermann, E.Berdnikov, Y.Betev, L.Bhasin, A.Bhati, A. K.Bianchi, L.Bianchi, N.Bianchin, C.Bielčík, J.Bielčíková, J.Bilandzic, A.Bimbot, L.Biolcati, E.Blanc, A.Blanco, F.Blanco, F.Blau, D.Blume, C.Boccioli, M.Bock, N.Bogdanov, A.Bøggild, H.Bogolyubsky, M.Bohm, J.Boldizsár, L.Bombara, M.Bombonati, C.Bondila, M.Borel, H.Borisov, A.Bortolin, C.Bose, S.Bosisio, L.Bossú, F.Botje, M.Böttger, S.Bourdaud, G.Boyer, B.Braun, M.Braun-Munzinger, P.Bravina, L.Bregant, M.Breitner, T.Bruckner, G.Brun, R.Bruna, E.Bruno, G. E.Budnikov, D.Buesching, H.Buncic, P.Busch, O.Buthelezi, Z.Caffarri, D.Cai, X.Caines, H.Calvo, E.Camacho, E.Camerini, P.Campbell, M.Canoa Roman, V.Capitani, G. P.Romeo, G. CaraCarena, F.Carena, W.Carminati, F.Casanova Díaz, A.Caselle, M.Castillo Castellanos, J.Castillo Hernandez, J. F.Catanescu, V.Cattaruzza, E.Cavicchioli, C.Cerello, P.Chambert, V.Chang, B.Chapeland, S.Charpy, A.Charvet, J. L.Chattopadhyay, S.Chattopadhyay, S.Cherney, M.Cheshkov, C.Cheynis, B.Chiavassa, E.Chibante Barroso, V.Chinellato, D. D.Chochula, P.Choi, K.Chojnacki, M.Christakoglou, P.Christensen, C. H.Christiansen, P.Chujo, T.Chuman, F.Cicalo, C.Cifarelli, L.Cindolo, F.Cleymans, J.Cobanoglu, O.Coffin, J.-P.Coli, S.Colla, A.Conesa Balbastre, G.Conesa del Valle, Z.Conner, E. S.Constantin, P.Contin, G.Contreras, J. G.Corrales Morales, Y.Cormier, T. M.Cortese, P.Cortés Maldonado, I.Cosentino, M. R.Costa, F.Cotallo, M. E.Crescio, E.Crochet, P.Cuautle, E.Cunqueiro, L.Cussonneau, J.Dainese, A.Dalsgaard, H. H.Danu, A.Das, I.Dash, A.Dash, S.de Barros, G. O. V.De Caro, A.de Cataldo, G.de Cuveland, J.De Falco, A.De Gaspari, M.de Groot, J.De Gruttola, D.De Marco, N.De Pasquale, S.De Remigis, R.de Rooij, R.de Vaux, G.Delagrange, H.Delgado, Y.Dellacasa, G.Deloff, A.Demanov, V.Dénes, E.Deppman, A.D’Erasmo, G.Derkach, D.Devaux, A.Di Bari, D.Di Giglio, C.Di Liberto, S.Di Mauro, A.Di Nezza, P.Dialinas, M.Díaz, L.Díaz, R.Dietel, T.Divià, R.Djuvsland, Ø.Dobretsov, V.Dobrin, A.Dobrowolski, T.Dönigus, B.Domínguez, I.Don, D. M. M.Dordic, O.Dubey, A. K.Dubuisson, J.Ducroux, L.Dupieux, P.Dutta Majumdar, A. K.Dutta Majumdar, M. R.Elia, D.Emschermann, D.Engel, H.Enokizono, A.Espagnon, B.Estienne, M.Esumi, S.Evans, D.Evrard, S.Eyyubova, G.Fabjan, C. W.Fabris, D.Faivre, J.Falchieri, D.Fantoni, A.Fasel, M.Fateev, O.Fearick, R.Fedunov, A.Fehlker, D.Fekete, V.Felea, D.Fenton-Olsen, B.Feofilov, G.Téllez, A. FernándezFerreiro, E. G.Ferretti, A.Ferretti, R.Figueredo, M. A. S.Filchagin, S.Fini, R.Fionda, F. M.Fiore, E. M.Floris, M.Fodor, Z.Foertsch, S.Foka, P.Fokin, S.Formenti, F.Fragiacomo, E.Fragkiadakis, M.Frankenfeld, U.Frolov, A.Fuchs, U.Furano, F.Furget, C.Fusco Girard, M.Gaardhøje, J. J.Gadrat, S.Gagliardi, M.Gago, A.Gallio, M.Ganoti, P.Ganti, M. S.Garabatos, C.García Trapaga, C.Gebelein, J.Gemme, R.Germain, M.Gheata, A.Gheata, M.Ghidini, B.Ghosh, P.Giraudo, G.Giubellino, P.Gladysz-Dziadus, E.Glasow, R.Glässel, P.Glenn, A.Jiménez, R. GómezGonzález Santos, H.González-Trueba, L. H.González-Zamora, P.Gorbunov, S.Gorbunov, Y.Gotovac, S.Gottschlag, H.Grabski, V.Grajcarek, R.Grelli, A.Grigoras, A.Grigoras, C.Grigoriev, V.Grigoryan, A.Grigoryan, S.Grinyov, B.Grion, N.Gros, P.Grosse-Oetringhaus, J. F.Grossiord, J.-Y.Grosso, R.Guber, F.Guernane, R.Guerra, C.Guerzoni, B.Gulbrandsen, K.Gulkanyan, H.Gunji, T.Gupta, A.Gupta, R.Gustafsson, H.-A.Gutbrod, H.Haaland, Ø.Hadjidakis, C.Haiduc, M.Hamagaki, H.Hamar, G.Hamblen, J.Han, B. H.Harris, J. W.Hartig, M.Harutyunyan, A.Hasch, D.Hasegan, D.Hatzifotiadou, D.Hayrapetyan, A.Heide, M.Heinz, M.Helstrup, H.Herghelegiu, A.Hernández, C.Herrera Corral, G.Herrmann, N.Hetland, K. F.Hicks, B.Hiei, A.Hille, P. T.Hippolyte, B.Horaguchi, T.Hori, Y.Hristov, P.Hřivnáčová, I.Hu, S.Huang, M.Huber, S.Humanic, T. J.Hutter, D.Hwang, D. S.Ichou, R.Ilkaev, R.Ilkiv, I.Inaba, M.Innocenti, P. G.Ippolitov, M.Irfan, M.Ivan, C.Ivanov, A.Ivanov, M.Ivanov, V.Iwasaki, T.Jachołkowski, A.Jacobs, P.Jančurová, L.Jangal, S.Janik, R.Jena, C.Jena, S.Jirden, L.Jones, G. T.Jones, P. G.Jovanović, P.Jung, H.Jung, W.Jusko, A.Kaidalov, A. B.Kalcher, S.Kaliňák, P.Kalisky, M.Kalliokoski, T.Kalweit, A.Kamal, A.Kamermans, R.Kanaki, K.Kang, E.Kang, J. H.Kapitan, J.Kaplin, V.Kapusta, S.Karavichev, O.Karavicheva, T.Karpechev, E.Kazantsev, A.Kebschull, U.Keidel, R.Khan, M. M.Khan, S. A.Khanzadeev, A.Kharlov, Y.Kikola, D.Kileng, B.Kim, D. J.Kim, D. S.Kim, D. W.Kim, H. N.Kim, J.Kim, J. H.Kim, J. S.Kim, M.Kim, M.Kim, S. H.Kim, S.Kim, Y.Kirsch, S.Kisel, I.Kiselev, S.Kisiel, A.Klay, J. L.Klein, J.Klein-Bösing, C.Kliemant, M.Klovning, A.Kluge, A.Knichel, M. L.Kniege, S.Koch, K.Kolevatov, R.Kolojvari, A.Kondratiev, V.Kondratyeva, N.Konevskih, A.Kornaś, E.Kour, R.Kowalski, M.Kox, S.Kozlov, K.Kral, J.Králik, I.Kramer, F.Kraus, I.Kravčáková, A.Krawutschke, T.Krivda, M.Krumbhorn, D.Krus, M.Kryshen, E.Krzewicki, M.Kucheriaev, Y.Kuhn, C.Kuijer, P. G.Kumar, L.Kumar, N.Kupczak, R.Kurashvili, P.Kurepin, A.Kurepin, A. N.Kuryakin, A.Kushpil, S.Kushpil, V.Kutouski, M.Kvaerno, H.Kweon, M. J.Kwon, Y.La Rocca, P.Lackner, F.de Guevara, P. LadrónLafage, V.Lal, C.Lara, C.Larsen, D. T.Laurenti, G.Lazzeroni, C.Le Bornec, Y.Le Bris, N.Lee, H.Lee, K. S.Lee, S. C.Lefèvre, F.Lenhardt, M.Leistam, L.Lehnert, J.Lenti, V.León, H.Monzón, I. LeónVargas, H. LeónLévai, P.Li, X.Li, Y.Lietava, R.Lindal, S.Lindenstruth, V.Lippmann, C.Lisa, M. A.Liu, L.Loginov, V.Lohn, S.Lopez, X.López Noriega, M.López-Ramírez, R.López Torres, E.Løvhøiden, G.Lozea Feijo Soares, A.Lu, S.Lunardon, M.Luparello, G.Luquin, L.Lutz, J.-R.Ma, K.Ma, R.Madagodahettige-Don, D. M.Maevskaya, A.Mager, M.Mahapatra, D. P.Maire, A.Makhlyueva, I.Mal’Kevich, D.Malaev, M.Malagalage, K. J.Maldonado Cervantes, I.Malek, M.Malkiewicz, T.Malzacher, P.Mamonov, A.Manceau, L.Mangotra, L.Manko, V.Manso, F.Manzari, V.Mao, Y.Mareš, J.Margagliotti, G. V.Margotti, A.Marín, A.Martashvili, I.Martinengo, P.Martínez Hernández, M. I.Martínez Davalos, A.Martínez García, G.Maruyama, Y.Marzari Chiesa, A.Masciocchi, S.Masera, M.Masetti, M.Masoni, A.Massacrier, L.Mastromarco, M.Mastroserio, A.Matthews, Z. L.Matyja, A.Mayani, D.Mazza, G.Mazzoni, M. A.Meddi, F.Menchaca-Rocha, A.Mendez Lorenzo, P.Meoni, M.Mercado Pérez, J.Mereu, P.Miake, Y.Michalon, A.Miftakhov, N.Milano, L.Milosevic, J.Minafra, F.Mischke, A.Miśkowiec, D.Mitu, C.Mizoguchi, K.Mlynarz, J.Mohanty, B.Molnar, L.Mondal, M. M.Montaño Zetina, L.Monteno, M.Montes, E.Morando, M.Moretto, S.Morsch, A.Moukhanova, T.Muccifora, V.Mudnic, E.Muhuri, S.Müller, H.Munhoz, M. G.Munoz, J.Musa, L.Musso, A.Nandi, B. K.Nania, R.Nappi, E.Navach, F.Navin, S.Nayak, T. K.Nazarenko, S.Nazarov, G.Nedosekin, A.Nendaz, F.Newby, J.Nianine, A.Nicassio, M.Nielsen, B. S.Nikolaev, S.Nikolic, V.Nikulin, S.Nikulin, V.Nilsen, B. S.Nilsson, M. S.Noferini, F.Nomokonov, P.Nooren, G.Novitzky, N.Nyatha, A.Nygaard, C.Nyiri, A.Nystrand, J.Ochirov, A.Odyniec, G.Oeschler, H.Oinonen, M.Okada, K.Okada, Y.Oldenburg, M.Oleniacz, J.Oppedisano, C.Orsini, F.Ortiz Velasquez, A.Ortona, G.Oskarsson, A.Osmic, F.Österman, L.Ostrowski, P.Otterlund, I.Otwinowski, J.Øvrebekk, G.Oyama, K.Ozawa, K.Pachmayer, Y.Pachr, M.Padilla, F.Pagano, P.Paić, G.Painke, F.Pajares, C.Pal, S.Pal, S. K.Palaha, A.Palmeri, A.Panse, R.Papikyan, V.Pappalardo, G. S.Park, W. J.Pastirčák, B.Pastore, C.Paticchio, V.Pavlinov, A.Pawlak, T.Peitzmann, T.Pepato, A.Pereira, H.Peressounko, D.Pérez, C.Perini, D.Perrino, D.Peryt, W.Peschek, J.Pesci, A.Peskov, V.Pestov, Y.Peters, A. J.Petráček, V.Petridis, A.Petris, M.Petrov, P.Petrovici, M.Petta, C.Peyré, J.Piano, S.Piccotti, A.Pikna, M.Pillot, P.Pinazza, O.Pinsky, L.Pitz, N.Piuz, F.Platt, R.Płoskoń, M.Pluta, J.Pocheptsov, T.Pochybova, S.Podesta Lerma, P. L. M.Poggio, F.Poghosyan, M. G.Polák, K.Polichtchouk, B.Polozov, P.Polyakov, V.Pommeresch, B.Pop, A.Posa, F.Pospíšil, V.Potukuchi, B.Pouthas, J.Prasad, S. K.Preghenella, R.Prino, F.Pruneau, C. A.Pshenichnov, I.Puddu, G.Pujahari, P.Pulvirenti, A.Punin, A.Punin, V.Putiš, M.Putschke, J.Quercigh, E.Rachevski, A.Rademakers, A.Radomski, S.Räihä, T. S.Rak, J.Rakotozafindrabe, A.Ramello, L.Ramírez Reyes, A.Rammler, M.Raniwala, R.Raniwala, S.Räsänen, S. S.Rashevskaya, I.Rath, S.Read, K. F.Real, J. S.Redlich, K.Renfordt, R.Reolon, A. R.Reshetin, A.Rettig, F.Revol, J.-P.Reygers, K.Ricaud, H.Riccati, L.Ricci, R. A.Richter, M.Riedler, P.Riegler, W.Riggi, F.Rivetti, A.Cahuantzi, M. RodriguezRøed, K.Röhrich, D.López, S. RománRomita, R.Ronchetti, F.Rosinský, P.Rosnet, P.Rossegger, S.Rossi, A.Roukoutakis, F.Rousseau, S.Roy, C.Roy, P.Rubio-Montero, A. J.Rui, R.Rusanov, I.Russo, G.Ryabinkin, E.Rybicki, A.Sadovsky, S.Šafařík, K.Sahoo, R.Saini, J.Saiz, P.Sakata, D.Salgado, C. A.Salgueiro Domingues da Silva, R.Salur, S.Samanta, T.Sambyal, S.Samsonov, V.Šándor, L.Sandoval, A.Sano, M.Sano, S.Santo, R.Santoro, R.Sarkamo, J.Saturnini, P.Scapparone, E.Scarlassara, F.Scharenberg, R. P.Schiaua, C.Schicker, R.Schindler, H.Schmidt, C.Schmidt, H. R.Schossmaier, K.Schreiner, S.Schuchmann, S.Schukraft, J.Schutz, Y.Schwarz, K.Schweda, K.Scioli, G.Scomparin, E.Scott, P. A.Segato, G.Semenov, D.Senyukov, S.Seo, J.Serci, S.Serkin, L.Serradilla, E.Sevcenco, A.Sgura, I.Shabratova, G.Shahoyan, R.Sharkov, G.Sharma, N.Sharma, S.Shigaki, K.Shimomura, M.Shtejer, K.Sibiriak, Y.Siciliano, M.Sicking, E.Siddi, E.Siemiarczuk, T.Silenzi, A.Silvermyr, D.Simili, E.Simonetti, G.Singaraju, R.Singh, R.Singhal, V.Sinha, B. C.Sinha, T.Sitar, B.Sitta, M.Skaali, T. B.Skjerdal, K.Smakal, R.Smirnov, N.Snellings, R.Snow, H.Søgaard, C.Soloviev, A.Soltveit, H. K.Soltz, R.Sommer, W.Son, C. W.Son, H.Song, M.Soos, C.Soramel, F.Soyk, D.Spyropoulou-Stassinaki, M.Srivastava, B. K.Stachel, J.Staley, F.Stan, E.Stefanek, G.Stefanini, G.Steinbeck, T.Stenlund, E.Steyn, G.Stocco, D.Stock, R.Stolpovsky, P.Strmen, P.Suaide, A. A. P.Subieta Vásquez, M. A.Sugitate, T.Suire, C.Šumbera, M.Susa, T.Swoboda, D.Symons, J.Szanto de Toledo, A.Szarka, I.Szostak, A.Szuba, M.Tadel, M.Tagridis, C.Takahara, A.Takahashi, J.Tanabe, R.Tapia Takaki, J. D.Taureg, H.Tauro, A.Tavlet, M.Tejeda Muñoz, G.Telesca, A.Terrevoli, C.Thäder, J.Tieulent, R.Tlusty, D.Toia, A.Tolyhy, T.Torcato de Matos, C.Torii, H.Torralba, G.Toscano, L.Tosello, F.Tournaire, A.Traczyk, T.Tribedy, P.Tröger, G.Truesdale, D.Trzaska, W. H.Tsiledakis, G.Tsilis, E.Tsuji, T.Tumkin, A.Turrisi, R.Turvey, A.Tveter, T. S.Tydesjö, H.Tywoniuk, K.Ulery, J.Ullaland, K.Uras, A.Urbán, J.Urciuoli, G. M.Usai, G. L.Vacchi, A.Vala, M.Palomo, L. ValenciaVallero, S.van der Kolk, N.Vyvre, P. Vandevan Leeuwen, M.Vannucci, L.Vargas, A.Varma, R.Vasiliev, A.Vassiliev, I.Vasileiou, M.Vechernin, V.Venaruzzo, M.Vercellin, E.Vergara, S.Vernet, R.Verweij, M.Vetlitskiy, I.Vickovic, L.Viesti, G.Vikhlyantsev, O.Vilakazi, Z.Villalobos Baillie, O.Vinogradov, A.Vinogradov, L.Vinogradov, Y.Virgili, T.Viyogi, Y. P.Vodopianov, A.Voloshin, K.Voloshin, S.Volpe, G.von Haller, B.Vranic, D.Vrláková, J.Vulpescu, B.Wagner, B.Wagner, V.Wallet, L.Wan, R.Wang, D.Wang, Y.Wang, Y.Watanabe, K.Wen, Q.Wessels, J.Westerhoff, U.Wiechula, J.Wikne, J.Wilk, A.Wilk, G.Williams, M. C. S.Willis, N.Windelband, B.Xu, C.Yang, C.Yang, H.Yasnopolskiy, S.Yermia, F.Yi, J.Yin, Z.Yokoyama, H.Yoo, I.-K.Yuan, X.Yurevich, V.Yushmanov, I.Zabrodin, E.Zagreev, B.Zalite, A.Zampolli, C.Zanevsky, Y.Zaporozhets, S.Zarochentsev, A.Závada, P.Zbroszczyk, H.Zelnicek, P.Zenin, A.Zepeda, A.Zgura, I.Zhalov, M.Zhang, X.Zhou, D.Zhou, S.Zhu, J.Zichichi, A.Zinchenko, A.Zinovjev, G.Zoccarato, Y.Zycháček, V.Zynovyev, M.The ALICE Collaboration
Source
The European Physical Journal C: Particles and Fields. June 2011 71(6):1-22
Subject
Language
English
ISSN
1434-6044
1434-6052
Abstract
The production of π+, π, K+, K, p, and $\sqrt{s} = 900~\mathrm{GeV}$ with the ALICE detector. Particle identification is performed using the specific energy loss in the inner tracking silicon detector and the time projection chamber. In addition, time-of-flight information is used to identify hadrons at higher momenta. Finally, the distinctive kink topology of the weak decay of charged kaons is used for an alternative measurement of the kaon transverse momentum (pt) spectra. Since these various particle identification tools give the best separation capabilities over different momentum ranges, the results are combined to extract spectra from pt=100 MeV/c to 2.5 GeV/c. The measured spectra are further compared with QCD-inspired models which yield a poor description. The total yields and the mean pt are compared with previous measurements, and the trends as a function of collision energy are discussed.