Production of light-flavor hadrons in pp collisions at √s=7 and √s=13 Tev

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초록

The production of pi(+/-), K-+/-, K-S(0), K*(892)(0), p, phi(1020), Lambda, Xi(-), Omega(-), and their antiparticles was measured in inelastic proton-proton (pp) collisions at a center-of-mass energy of root s = 13 TeV at midrapidity (vertical bar y vertical bar < 0.5) as a function of transverse momentum (P-T) using the ALICE detector at the CERN LHC. Furthermore, the single-particle p(T) distributions of K-S(0), Lambda, and (Lambda) over bar in inelastic pp collisions at root s = 7 TeV are reported here for the first time. The p(T) distributions are studied at midrapidity within the transverse momentum range 0 <= p(T) <= 20 GeV/c, depending on the particle species. The p(T) spectra, integrated yields, and particle yield ratios are discussed as a function of collision energy and compared with measurements at lower root s and with results from various general-purpose QCD-inspired Monte Carlo models. A hardening of the spectra at high p(T) with increasing collision energy is observed, which is similar for all particle species under study. The transverse mass and x(T) 2p(T)/root s scaling properties of hadron produc- tion are also studied. As the collision energy increases from root s = 7-13 TeV, the yields of non- and single-strange hadrons normalized to the pion yields remain approximately constant as a function of root s, while ratios for multi-strange hadrons indicate enhancements. The p(T)-differential cross sections of pi(+/-), K-+/- and p ((p) over bar) are compared with next-to-leading order perturbative QCD calculations, which are found to overestimate the cross sections for pi(+/-) and p ((p) over bar) at high p(T).

키워드

PROTON-PROTON COLLISIONSTRANSVERSE-MOMENTUM DISTRIBUTIONSCHARGED-PARTICLESBARYON PRODUCTIONCROSS-SECTIONSALICEFRAGMENTATIONENERGYIDENTIFICATIONMULTIPLICITY
제목
Production of light-flavor hadrons in pp collisions at √s=7 and √s=13 Tev
저자
Acharya, S.Acosta, F. T.Adam, J.Adamova, D.Adler, A.Adolfsson, J.Aggarwal, M. M.Rinella, G. AglieriAgnello, M.Agrawal, N.Ahammed, Z.Ahn, S. U.Aiola, S.Akindinov, A.Al-Turany, M.Alam, S. N.Albuquerque, D. S. D.Aleksandrov, D.Alessandro, B.Alfanda, H. M.Alfaro Molina, R.Ali, Y.Alici, A.Alkin, A.Alme, J.Alt, T.Altenkamper, L.Altsybeev, I.Anaam, M. N.Andrei, C.Andreou, D.Andrews, H. A.Andronic, A.Angeletti, M.Anguelov, V.Anson, C.Anticic, T.Antinori, F.Antonioli, P.Anwar, R.Apadula, N.Aphecetche, L.Appelshaeuser, H.Arcelli, S.Arnaldi, R.Arratia, M.Arsene, I. C.Arslandok, M.Augustinus, A.Averbeck, R.Azmi, M. D.Badala, A.Baek, Y. W.Bagnasco, S.Bailhache, R.Bala, R.Baldisseri, A.Ball, M.Baral, R. C.Barbano, A. M.Barbera, R.Barile, F.Barioglio, L.Barnafoeldi, G. G.Barnby, L. S.Barret, V.Bartalini, P.Barth, K.Bartsch, E.Bastid, N.Basu, S.Batigne, G.Batyunya, B.Batzing, P. C.Bazo Alba, J. L.Bearden, I. G.Beck, H.Bedda, C.Behera, N. K.Belikov, I.Bellini, F.Bello Martinez, H.Bellwied, R.Beltran, L. G. E.Belyaev, V.Bencedi, G.Beole, S.Bercuci, A.Berdnikov, Y.Berenyi, D.Bertens, R. A.Berzano, D.Betev, L.Bhaduri, P. P.Bhasin, A.Bhat, I. R.Bhatt, H.Bhattacharjee, B.Bhom, J.Bianchi, A.Bianchi, L.Bianchi, N.Bielcik, J.Bielcikova, J.Bilandzic, A.Biro, G.Biswas, R.Biswas, S.Blair, J. T.Blau, D.Blume, C.Boca, G.Bock, F.Bogdanov, A.Boldizsar, L.Bolozdynya, A.Bombara, M.Bonomi, G.Bonora, M.Borel, H.Borissov, A.Borri, M.Botta, E.Bourjau, C.Bratrud, L.Braun-Munzinger, P.Bregant, M.Broker, T. A.Broz, M.Brucken, E. J.Bruna, E.Bruno, G. E.Budnikov, D.Buesching, H.Bufalino, S.Buhler, P.Buncic, P.Busch, O.Buthelezi, Z.Butt, J. B.Buxton, J. T.Cabala, J.Caffarri, D.Caines, H.Caliva, A.Calvo Villar, E.Camacho, R. S.Camerini, P.Capon, A. A.Carena, W.Carnesecchi, F.Castellanos, J. CastilloCastro, A. J.Casula, E. A. R.Ceballos Sanchez, C.Chandra, S.Chang, B.Chang, W.Chapeland, S.Chartier, M.Chattopadhyay, S.Chattopadhyay, S.Chauvin, A.Cheshkov, C.Cheynis, B.Barroso, V. ChibanteChinellato, D. D.Cho, S.Chochula, P.Chowdhury, T.Christakoglou, P.Christensen, C. H.Christiansen, P.Chujo, T.Chung, S. U.Cicalo, C.Cifarelli, L.Cindolo, F.Cleymans, J.Colamaria, F.Colella, D.Collu, A.Colocci, M.Concas, M.Balbastre, G. Conesadel Valle, Z. ConesaContreras, J. G.Cormier, T. M.Morales, Y. CorralesCortese, P.Cosentino, M. R.Costa, F.Costanza, S.Crkovska, J.Crochet, P.Cuautle, E.Cunqueiro, L.Dabrowski, D.Dahms, T.Dainese, A.Damas, F. P. A.Dani, S.Danisch, M. C.Danu, A.Das, D.Das, I.Das, S.Dash, A.Dash, S.De, S.De Caro, A.de Cataldo, G.de Conti, C.de Cuveland, J.De Falco, A.De Gruttola, D.De Marco, N.De Pasquale, S.De Souza, R. D.Degenhardt, H. F.Deisting, A.Deloff, A.Delsanto, S.Deplano, C.Dhankher, P.Di Bari, D.Di Mauro, A.Di Ruzza, B.Diaz, R. A.Dietel, T.Dillenseger, P.Ding, Y.Divia, R.Djuvsland, O.Dmitrieva, U.Dobrin, A.Domenicis Gimenez, D.Doenigus, B.Dordic, O.Dubey, A. K.Dubla, A.Ducroux, L.Dudi, S.Duggal, A. K.Dukhishyam, M.Dupieux, P.Ehlers, R. J.Elia, D.Endress, E.Engel, H.Epple, E.Erazmus, B.Erhardt, F.Erokhin, A.Ersdal, M. R.Espagnon, B.Eulisse, G.Eum, J.Evans, D.Evdokimov, S.Fabbietti, L.Faggin, M.Faivre, J.Fantoni, A.Fasel, M.Feldkamp, L.Feliciello, A.Feofilov, G.Fernandez Tellez, A.Ferretti, A.Festanti, A.Feuillard, V. J. G.Figiel, J.Figueredo, M. A. S.Filchagin, S.Finogeev, D.Fionda, F. M.Fiorenza, G.Flor, F.Floris, M.Foertsch, S.Foka, P.Fokin, S.Fragiacomo, E.Francescon, A.Francisco, A.Frankenfeld, U.Fronze, G. G.Fuchs, U.Furget, C.Furs, A.Girard, M. FuscoGaardhoje, J. J.Gagliardi, M.Gago, A. M.Gajdosova, Krizkova K.Gallio, M.Galvan, C. D.Ganoti, P.Garabatos, C.Garcia-Solis, E.Garg, K.Gargiulo, C.Garner, K.Gasik, P.Gauger, E. F.Gay Ducati, M. B.Germain, M.Ghosh, J.Ghosh, P.Ghosh, S. K.Gianotti, P.Giubellino, P.Giubilato, P.Glaessel, P.Gomez Coral, D. M.Ramirez, A. GomezGonzalez, V.Gonzalez-Zamora, P.Gorbunov, S.Goerlich, L.Gotovac, S.Grabski, V.Graczykowski, L. K.Graham, K. L.Greiner, L.Grelli, A.Grigoras, C.Grigoriev, V.Grigoryan, A.Grigoryan, S.Gronefeld, J. M.Grosa, F.Grosse-Oetringhaus, J. F.Grosso, R.Guernane, R.Guerzoni, B.Guittiere, M.Gulbrandsen, K.Gunji, T.Gupta, A.Gupta, R.Guzman, B.Haake, R.Habib, M. K.Hadjidakis, C.Hamagaki, H.Hamar, G.Hamid, M.Hamon, J. C.Hannigan, R.Haque, M. R.Harris, J. W.Harton, A.Hassan, H.Hatzifotiadou, D.Hauer, P.Hayashi, S.Heckel, S. T.Hellbaer, E.Helstrup, H.Herghelegiu, A.Herman, T.Hernandez, E. G.Herrera Corral, G.Herrmann, F.Hetland, K. F.Hilden, T. E.Hillemanns, H.Hills, C.Hippolyte, B.Hohlweger, B.Horak, D.Hornung, S.Hosokawa, R.Hota, J.Hristov, P.Huang, C.Hughes, C.Huhn, P.Humanic, T. J.Hushnud, H.Hussain, N.Hussain, T.Hutter, D.Hwang, D. S.Iddon, J. P.Ilkaev, R.Ippolitov, M.Islam, M. S.Ivanov, M.Ivanov, V.Izucheev, V.Jacak, B.Jacazio, N.Jacobs, P. M.Jadhav, M. B.Jadlovska, S.Jadlovsky, J.Jaelani, S.Jahnke, C.Jakubowska, M. J.Janik, M. A.Jena, C.Jercic, M.Jevons, O.Bustamante, R. T. JimenezJin, M.Jones, P. G.Jusko, A.Kalinak, P.Kalweit, A.Kang, J. H.Kaplin, V.Kar, S.Uysal, A. KarasuKaravichev, O.Karavicheva, T.Karczmarczyk, P.Karpechev, E.Kebschull, U.Keidel, R.Keijdener, D. L. D.Keil, M.Ketzer, B.Khabanova, Z.Khan, A. M.Khan, S.Khan, S. A.Khanzadeev, A.Kharlov, Y.Khatun, A.Khuntia, A.Kielbowicz, M. M.Kileng, B.Kim, B.Kim, D.Kim, D. J.Kim, E. J.Kim, H.Kim, J. S.Kim, J.Kim, J.Kim, M.Kim, S.Kim, T.Kim, T.Kindra, K.Kirsch, S.Kisel, I.Kiselev, S.Kisiel, A.Klay, J. L.Klein, C.Klein, J.Klein-Boesing, C.Klewin, S.Kluge, A.Knichel, M. L.Knospe, A. G.Kobdaj, C.Kofarago, M.Koehler, M. K.Kollegger, T.Kondratyeva, N.Kondratyuk, E.Konevskikh, A.Konopka, P. J.Konyushikhin, M.Koska, L.Kovalenko, O.Kovalenko, V.Kowalski, M.Kralik, I.Kravcakova, A.Kreis, L.Krivda, M.Krizek, F.Krueger, M.Kryshen, E.Krzewicki, M.Kubera, A. M.Kucera, V.Kuhn, C.Kuijer, P. G.Kumar, J.Kumar, L.Kumar, S.Kundu, S.Kurashvili, P.Kurepin, A.Kurepin, A. B.Kushpil, S.Kvapil, J.Kweon, M. J.Kwon, Y.La Pointe, S. L.La Rocca, P.Lai, Y. S.Lakomov, I.Langoy, R.Lapidus, K.Lardeux, A.Larionov, P.Laudi, E.Lavicka, R.Lea, R.Leardini, L.Lee, S.Lehas, F.Lehner, S.Lehrbach, J.Lemmon, R. C.Monzon, I. LeonLevai, P.Li, X.Li, X. L.Lien, J.Lietava, R.Lim, B.Lindal, S.Lindenstruth, V.Lindner, A.Lippmann, C.Lisa, M. A.Litichevskyi, V.Liu, A.Ljunggren, H. M.Llope, W. J.Lodato, D. F.Loginov, V.Loizides, C.Loncar, P.Lopez, X.Lopez Torres, E.Luettig, P.Luhder, J. R.Lunardon, M.Luparello, G.Lupi, M.Maevskaya, A.Mager, M.Mahmood, S. M.Maire, A.Majka, R. D.Malaev, M.Malik, Q. W.Malinina, L.Mal'Kevich, D.Malzacher, P.Mamonov, A.Manko, V.Manso, F.Manzari, V.Mao, Y.Marchisone, M.Mares, J.Margagliotti, G. V.Margotti, A.Margutti, J.Marin, A.Markert, C.Marquard, M.Martin, N. A.Martinengo, P.Martinez, J. L.Martinez, M. I.Garcia, G. MartinezPedreira, M. MartinezMasciocchi, S.Masera, M.Masoni, A.Massacrier, L.Masson, E.Mastroserio, A.Mathis, A. M.Matuoka, P. F. T.Matyja, A.Mayer, C.Mazzilli, M.Mazzoni, M. A.Meddi, F.Melikyan, Y.Menchaca-Rocha, A.Meninno, E.Meres, M.Mhlanga, S.Miake, Y.Micheletti, L.Mieskolainen, M. M.Mihaylov, D. L.Mikhaylov, K.Mischke, A.Mishra, A. N.Miskowiec, D.Mitra, J.Mitu, C. M.Mohammadi, N.Mohanty, A. P.Mohanty, B.Khan, M. MohisinDe Godoy, D. A. MoreiraMoreno, L. A. P.Moretto, S.Morreale, A.Morsch, A.Mrnjavac, T.Muccifora, V.Mudnic, E.Muehlheim, D.Muhuri, S.Mukherjee, M.Mulligan, J. D.Munhoz, M. G.Muenning, K.Munzer, R. H.Murakami, H.Murray, S.Musa, L.Musinsky, J.Myers, C. J.Myrcha, J. W.Naik, B.Nair, R.Nandi, B. K.Nania, R.Nappi, E.Narayan, A.Naru, M. U.Nassirpour, A. F.Natal da Luz, H.Nattrass, C.Navarro, S. R.Nayak, K.Nayak, R.Nayak, T. K.Nazarenko, S.De Oliveira, R. A. NegraoNellen, L.Nesbo, S. V.Neskovic, G.Ng, F.Nicassio, M.Niedziela, J.Nielsen, B. S.Nikolaev, S.Nikulin, S.Nikulin, V.Noferini, F.Nomokonov, P.Nooren, G.Noris, J. C. C.Norman, J.Nyanin, A.Nystrand, J.Ogino, M.Oh, H.Ohlson, A.Oleniacz, J.Oliveira Da Silva, A. C.Oliver, M. H.Onderwaater, J.Oppedisano, C.Orava, R.Oravec, M.Ortiz Velasquez, A.Oskarsson, A.Otwinowski, J.Oyama, K.Pachmayer, Y.Pacik, V.Pagano, D.Paic, G.Palni, P.Pan, J.Pandey, A. K.Panebianco, S.Papikyan, V.Pareek, P.Park, J.Parkkila, J. E.Parmar, S.Passfeld, A.Pathak, S. P.Patra, R. N.Paul, B.Pei, H.Peitzmann, T.Peng, X.Pereira, L. G.Da Costa, H. PereiraPeresunko, D.Lezama, E. PerezPeskov, V.Pestov, Y.Petracek, V.Petrovici, M.Petta, C.Pezzi, R. P.Piano, S.Pikna, M.Pillot, P.Pimentel, L. O. D. L.Pinazza, O.Pinsky, L.Pisano, S.Piyarathna, D. B.Ploskon, M.Planinic, M.Pliquett, F.Pluta, J.Pochybova, S.Podesta-Lerma, P. L. M.Poghosyan, M. G.Polichtchouk, B.Poljak, N.Poonsawat, W.Pop, A.Poppenborg, H.Porteboeuf-Houssais, S.Pozdniakov, V.Prasad, S. K.Preghenella, R.Prino, F.Pruneau, C. A.Pshenichnov, I.Puccio, M.Punin, V.Puranapanda, K.Putschke, J.Raha, S.Rajput, S.Rak, J.Rakotozafindrabe, A.Ramello, L.Rami, F.Raniwala, R.Raniwala, S.Raesaenen, S. S.Rascanu, B. T.Rath, R.Ratza, V.Ravasenga, I.Read, K. F.Redlich, K.Rehman, A.Reichelt, P.Reidt, F.Ren, X.Renfordt, R.Reshetin, A.Revol, J. -P.Reygers, K.Riabov, V.Richert, T.Richter, M.Riedler, P.Riegler, W.Riggi, F.Ristea, C.Rode, S. P.Rodriguez Cahuantzi, M.Roed, K.Rogalev, R.Rogochaya, E.Rohr, D.Rohrich, D.Rokita, P. S.Ronchetti, F.Rosas, E. D.Roslon, K.Rosnet, P.Rossi, A.Rotondi, A.Roukoutakis, F.Roy, C.Roy, P.Rueda, O. V.Rui, R.Rumyantsev, B.Rustamov, A.Ryabinkin, E.Ryabov, Y.Rybicki, A.Saarinen, S.Sadhu, S.Sadovsky, S.Safarik, K.Saha, S. K.Sahoo, B.Sahoo, P.Sahoo, R.Sahoo, S.Sahu, P. K.Saini, J.Sakai, S.Saleh, M. A.Sambyal, S.Samsonov, V.Sandoval, A.Sarkar, A.Sarkar, D.Sarkar, N.Sarma, P.Sas, M. H. P.Scapparone, E.Scarlassara, F.Schaefer, B.Scheid, H. S.Schiaua, C.Schicker, R.Schmidt, C.Schmidt, H. R.Schmidt, M. O.Schmidt, M.Schmidt, N. V.Schukraft, J.Schutz, Y.Schwarz, K.Schweda, K.Scioli, G.Scomparin, E.Sefcik, M.Seger, J. E.Sekiguchi, Y.Sekihata, D.Selyuzhenkov, I.Senyukov, S.Serradilla, E.Sett, P.Sevcenco, A.Shabanov, A.Shabetai, A.Shahoyan, R.Shaikh, W.Shangaraev, A.Sharma, A.Sharma, A.Sharma, M.Sharma, N.Sheikh, A. I.Shigaki, K.Shimomura, M.Shirinkin, S.Shou, Q.Sibiriak, Y.Siddhanta, S.Sielewicz, K. M.Siemiarczuk, T.Silvermyr, D.Simatovic, G.Simonetti, G.Singaraju, R.Singh, R.Singh, R.Singhal, V.Sinha, T.Sitar, B.Sitta, M.Skaali, T. B.Slupecki, M.Smirnov, N.Snellings, R. J. M.Snellman, T. W.Sochan, J.Soncco, C.Song, J.Songmoolnak, A.Soramel, F.Sorensen, S.Sozzi, F.Sputowska, I.Stachel, J.Stan, I.Stankus, P.Stenlund, E.Stocco, D.Storetvedt, M. M.Strmen, P.Suaide, A. A. P.Sugitate, T.Suire, C.Suleymanov, M.Suljic, M.Sultanov, R.Sumbera, M.Sumowidagdo, S.Suzuki, K.Swain, S.Szabo, A.Szarka, I.Tabassam, U.Takahashi, J.Tambave, G. J.Tanaka, N.Tarhini, M.Tarzila, M. G.Takaki, J. D. TapiaTauro, A.Tejeda Munoz, G.Telesca, A.Terrevoli, C.Teyssier, B.Thakur, D.Thakur, S.Thomas, D.Thoresen, F.Tieulent, R.Tikhonov, A.Timmins, A. R.Toia, A.Topilskaya, N.Toppi, M.Torres, S. R.Tripathy, S.Trogolo, S.Trombetta, G.Tropp, L.Trubnikov, V.Trzaska, W. H.Trzcinski, T. P.Trzeciak, B. A.Tsuji, T.Tumkin, A.Turrisi, R.Tveter, T. S.Ullaland, K.Umaka, E. N.Uras, A.Usai, G. L.Utrobicic, A.Vala, M.Valencia Palomo, L.Valle, N.van der Kolk, N.van Doremalen, L. V. R.Van Hoorne, J. W.van Leeuwen, M.Vande Vyvre, P.Varga, D.Vargas, A.Vargyas, M.Varma, R.Vasileiou, M.Vasiliev, A.Doce, O. VazquezVechernin, V.Veen, A. M.Vercellin, E.Vergara Limon, S.Vermunt, L.Vernet, R.Vertesi, R.Vickovic, L.Viinikainen, J.Vilakazi, Z.Baillie, O. VillalobosVillatoro Tello, A.Vinogradov, A.Virgili, T.Vislavicius, V.Vodopyanov, A.Voelkl, M. A.Voloshin, K.Voloshin, S. A.Volpe, G.von Haller, B.Vorobyev, I.Voscek, D.Vranic, D.Vrlakova, J.Wagner, B.Wang, M.Watanabe, Y.Weber, M.Weber, S. G.Wegrzynek, A.Weiser, D. F.Wenzel, S. C.Wessels, J. P.Westerhoff, U.Whitehead, A. M.Wiechula, J.Wikne, J.Wilk, G.Wilkinson, J.Willems, G. A.Williams, M. C. S.Willsher, E.Windelband, B.Witt, W. E.Xu, R.Yalcin, S.Yamakawa, K.Yano, S.Yin, Z.Yokoyama, H.Yoo, I. -K.Yoon, J. H.Yuan, S.Yurchenko, V.Zaccolo, V.Zaman, A.Zampolli, C.Zanoli, H. J. C.Zardoshti, N.Zarochentsev, A.Zavada, P.Zaviyalov, N.Zbroszczyk, H.Zhalov, M.Zhang, X.Zhang, Y.Zhang, Z.Zhao, C.Zherebchevskii, V.Zhigareva, N.Zhou, D.Zhou, Y.Zhou, Z.Zhu, H.Zhu, J.Zhu, Y.Zichichi, A.Zimmermann, M. B.Zinovjev, G.Zmeskal, J.
DOI
10.1140/epjc/s10052-020-08690-5
발행일
2021-03
유형
Article
저널명
European Physical Journal C
81
3