학술논문

D-S(+) meson production at central rapidity in proton-proton collisions at root s=7 TeV
Document Type
Author
Abelev, B.Adam, J.Adamova, D.Adare, A. M.Aggarwal, M. M.Rinella, G. AglieriAgocs, A. G.Agostinelli, A.Salazar, S. AguilarAhammed, Z.Ahmad, N.Masoodi, A. AhmadAhn, S. A.Ahn, S. U.Akindinov, A.Aleksandrov, D.Alessandro, B.Molina, R. AlfaroAlici, A.Alkin, A.Avina, E. AlmarazAlme, J.Alt, T.Altini, V.Altinpinar, S.Altsybeev, I.Andrei, C.Andronic, A.Anguelov, V.Anielski, J.Anson, C.Anticic, T.Antinori, F.Antonioli, R.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.Aeystoe, J.Azmi, M. D.Bach, M.Badala, A.Baek, Y. W.Bailhache, R.Bala, R.Ferroli, R. BaldiniBaldisseri, A.Baldit, A.Dos Santos Pedrosa, F. BaltasarBan, 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.Belick, H.Belikova, 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.Bianchin, C.Bielcik, J.Bielcikova, J.Bilandzic, A.Bjelogrlic, S.Blanco, F.Blau, D.Blume, C.Boccioli, M.Bock, N.Boettger, S.Bogdanov, A.Boggild, H.Bogolyubsky, M.Boldizsar, L.Bombara, M.Book, J.Borel, H.Borissov, A.Bose, S.Bossu, F.Botje, M.Botta, E.Boyer, B.Braidot, E.Braun-Munzinger, P.Bregant, M.Breitner, T.Browning, T. A.Broz, M.Brun, R.Bruna, E.Bruno, G. E.Budnikov, D.Buesching, H.Bufalino, S.Busch, O.Buthelezi, Z.Orduna, D. CaballeroCaffarri, D.Cai, X.Caines, H.Villar, E. CalvoCamerini, 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, R.Chang, B.Chapeland, S.Charvet, J. L.Chattopadhyay, S.Chawla, I.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, E.Cleymans, J.Coccetti, F.Colamaria, F.Colella, D.Conesa Balbastre, G.Conesa del Valle, Z.Constantin, R.Contin, G.Contreras, J. G.Cormier, T. M.Corrales Morales, Y.Cortese, P.Maldonado, I. CortesCosentino, M. R.Costa, E.Cotallo, M. E.Crescio, E.Crochet, R.Cruz Alaniz, E.Cuautle, E.Cunqueiro, L.Dainese, A.Dalsgaard, H. H.Danu, A.Das, I.Das, D.Das, K.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.Demanov, V.De Marco, N.Denes, E.De Pasquale, S.Deppman, A.Erasmo, G. D.de Rooij, R.Diaz Corchero, M. A.Di Bari, D.Dietel, T.Di Giglio, C.Di Liberto, S.Di Mauro, A.Di Nezza, P.Divia, R.Djuvsland, O.Dobrin, AlexandruDobrowolski, T.Dominguez, I.Doenigus, B.Dordic, O.Driga, O.Dubey, A. K.Dubla, A.Ducroux, L.Dupieux, P.Majumdar, A. K. DuttaMajumdar, M. R. 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.Fedunov, A.Fehlker, D.Feldkamp, L.Felea, D.Fenton-Olsen, B.Feofilov, G.Fernandez Tellez, A.Ferretti, A.Ferretti, R.Festanti, A.Figiel, J.Figueredo, M. A. S.Filchagin, S.Finogeev, D.Fionda, F. M.Fiore, E. M.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.Garishvili, I.Gerhard, J.Germain, M.Geuna, C.Gheata, M.Gheata, A.Ghidini, B.Ghosh, P.Gianotti, R.Girard, M. R.Giubellino, P.Gladysz-Dziadus, E.Glassel, P.Gomez, R.Ferreiro, E. G.Gonzalez-Trueba, L. H.Gonzalez-Zamora, P.Gorbunov, S.Goswami, A.Gotovac, S.Grabski, V.Graczykowski, L. K.Grajcarek, R.Grelli, A.Grigoras, C.Grigoras, A.Grigoriev, V.Grigoryan, S.Grigoryan, A.Grinyov, B.Grion, N.Gros, PhilippeGrosse-Oetringhaus, J. F.Grossiord, J. -Y.Grosso, R.Guber, F.Guernane, R.Gutierrez, C. GuerraGuerzoni, B.Guilbaud, M.Gulbrandsen, K.Gunji, T.Gupta, R.Gupta, A.Gutbrod, H.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.Hasegan, D.Hatzifotiadou, D.Hayrapetyan, A.Hecke, S. T.Heide, M.Helstrup, H.Herghelegiu, A.Herrera Corra, G.Herrmann, N.Hess, B. A.Hetland, K. F.Hicks, B.Hille, P. T.Hippolyte, B.Horaguchi, T.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.Jacobs, P. M.Jang, H. J.Janik, R.Janik, M. A.Jayarathna, P. H. S. Y.Jena, S.Jha, D. M.Bustamante, R. T. JimenezJirden, L.Jones, P. G.Jung, H.Jusko, A.Kaidalov, A. B.Kakoyan, V.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, P.Khan, M. M.Khan, S. A.Khanzadeev, A.Kharlov, Y.Kileng, B.Kim, M.Kim, D. J.Kim, D. W.Kim, J. H.Kim, J. S.Kim, T.Kim, S. H.Kim, S.Kim, B.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.Koch, K.Koehler, M. K.Kollegger, T.Kolojvari, A.Kondratiev, V.Kondratyeva, N.Konevskikh, A.Korneev, A.Kour, R.Kowalski, M.Kox, S.Meethaleveedu, G. KoyithattaKral, J.Kralik, I.Kramer, F.Kraus, I.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.Kurashvilim, P.Kurepin, A. B.Kurepin, A.Kuryakin, A.Kushpil, S.Kushpil, V.Kvaerno, H.Kweon, M. J.Kwon, Y.de Guevara, R. LadronLakomov, I.Langoy, R.La Pointe, S. L.Lara, C.Lardeux, A.La Rocca, P.Lazzeroni, C.Lea, R.Le Bornec, Y.Lechman, M.Lee, K. S.Lee, G. R.Lee, S. C.Lefevre, F.Lehnert, T. J.Leistam, L.Lenhardt, M.Lenti, V.Leon, H.Leoncino, M.Monzon, I. LeonVargas, H. LeonLevai, P.Lien, J.Lietava, R.Lindal, S.Lindenstruth, V.Lippmann, C.Lisa, M. A.Liu, L.Loggins, V. R.Loginov, V.Lohn, S.Lohner, D.Loizides, C.Loo, K. K.Lopez, X.Torres, E. LopezLovhoiden, G.Lu, X. -G.Luettig, P.Lunardon, M.Luo, J.Luparello, G.Luquin, L.Luzzi, C.Ma, K.Ma, R.Madagodahettige-Don, D. M.Maevskaya, A.Mager, M.Mahapatra, D. P.Maire, A.Malaev, M.Cervantes, I. MaldonadoMalinina, L.Mal'kvich, D.Malzacher, R.Mamonov, A.Manceau, L.Mangotra, L.Manko, V.Manso, F.Manzari, V.Mao, Y.Marchisone, M.Mares, J.Margagliotti, G. V.Margotti, A.Marin, A.Tobon, C. A. MarinMarkert, C.Martashvili, I.Martinengo, P.Martinez, M. I.Davalos, A. MartinezGarcia, G. MartinezMartynov, Y.Mas, A.Masciocchi, S.Masera, M.Masoni, A.Massacrier, L.Mastroserio, A.Matthews, Z. L.Matyja, A.Mayer, C.Mazer, J.Mazzoni, M. A.Meddi, F.Menchaca-Rocha, A.Perez, J. MercadoMeres, M.Miake, Y.Milano, L.Milosevic, J.Mischke, A.Mishra, A. N.Migkowiec, D.Mitu, C.Mlynarz, J.Mohanty, B.Molnar, L.Zetina, L. MontanoMonteno, M.Montes, E.Moon, T.Morando, M.De Godoy, D. A. MoreiraMoretto, S.Morsch, A.Muccifora, V.Mudnic, E.Muhuri, S.Mukherjee, M.Mueller, H.Munhoz, M. G.Musa, L.Musso, A.Nandi, B. K.Nania, R.Nappi, E.Nattrass, C.Naumov, N. P.Navin, S.Nayak, T. K.Nazarenko, S.Nazarov, G.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.Novitzky, N.Nyanin, A.Nyatha, A.Nygaard, C.Nystrand, J.Ochirov, A.Oeschler, H.Oh, S.Oh, S. K.Oleniacz, J.Oppedisano, C.Ortiz Velasquez, AntonioOrtona, G.Oskarsson, 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.Pavlinov, A.Pawlak, T.Peitzmann, T.Pereira Da Costa, H.Pereira De Oliveira Fiho, E.Peresunko, D.Lara, C. E. PerezPerez Lezama, E.Perini, D.Perrino, D.Peryt, W.Pesci, A.Peskov, V.Pestov, Y.Petracek, V.Petran, M.Petris, M.Petrov, P.Petrovici, M.Petta, C.Piano, S.Piccotti, A.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.Pop, A.Porteboeuf-Houssais, S.Pospisil, V.Potukuchi, B.Prasad, S. K.Preghenella, R.Prino, F.Pruneau, C. A.Pshenichnov, I.Puchagin, S.Puddu, G.Pulvirenti, A.Punin, V.Putis, M.Putschke, J.Quercigh, E.Qvigstad, H.Rachevski, A.Rademakers, A.Raiha, T. S.Rak, J.Rakotozafindrabe, A.Ramello, L.Reyes, A. RamirezRaniwala, S.Raniwala, R.Rasanen, S. S.Rascanu, B. T.Rathee, D.Read, K. F.Real, J. S.Redlich, K.Reichelt, P.Reicher, M.Renfordt, R.Reolon, A. R.Reshetin, A.Rettig, F.Revo, J. -P.Reygers, K.Riccati, L.Ricci, R. A.Richert, TuvaRichter, M.Riedler, P.Riegler, W.Riggi, F.Fernandes Rabaca, B. RodriguesCahuantzi, M. RodriguezManso, A. RodriguezRoed, K.Rohr, D.Roehrich, D.Romita, R.Ronchetti, F.Rosnet, R.Rossegger, S.Rossi, A.Roy, P.Roy, C.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.Salzwede, J.Sambyal, S.Samsonov, V.Castro, X. SanchezSandor, L.Sandoval, A.Sano, M.Sano, S.Santo, R.Santoro, R.Sarkamo, J. J.Scapparone, E.Scarlassara, F.Scharenberg, R. P.Schiaua, C.Schicker, R.Schmidt, H. R.Schmidt, C.Schreiner, S.Schuchmann, S.Schukraft, J.Schutz, Y.Schwarz, K.Schweda, K.Scioli, G.Scomparin, E.Scott, P. A.Scott, R.Segato, G.Selyuzhenkov, I.Senyukov, S.Seo, J.Serci, S.Serradilla, E.Sevcenco, A.Shabetai, A.Shabratova, G.Shahoyan, R.Sharma, N.Sharma, S.Rohni, S.Shigaki, K.Shimomura, M.Shtejer, K.Sibiriak, Y.Siciliano, M.Sicking, E.Siddhanta, S.Siemiarczukl, 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.Smaka, R.Smirnov, N.Snellings, R. J. M.Sogaard, C.Soltz, R.Son, H.Song, J.Song, M.Soos, C.Soramel, E.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.Strabykin, K.Strmen, R.Suaide, A. A. P.Subieta Vasquez, M. A.Sugitate, T.Suire, C.Sukhorukov, M.Sultanov, R.Sumbera, M.Susa, T.Symons, T. J. M.de Toledo, A. SzantoSzarka, I.Szczepankiewicz, A.Szostak, A.Szymanski, M.Takahashi, J.Takaki, J. D. TapiaTauro, A.Munoz, G. TejedaTelesca, 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.Urban, J.Urciuoli, G. M.Usai, G. L.Vajzer, M.Vala, M.Palomo, L. ValenciaVallero, S.Vande Vyvre, P.van 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.Vikhlyantsev, O.Vilakazi, Z.Baillie, O. VillalobosVinogradov, Y.Vinogradov, A.Vinogradov, L.Virgili, T.Viyogi, Y. P.Vodopyanov, A.Voloshin, S.Voloshin, K.Volpe, G.von Haller, B.Vranic, D.Ovrebekk, G.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, S.Yang, H.Yasnopolskiy, S.Yi, J.Yin, Z.Yoon, J.Yu, W.Yuan, X.Yushmanov, I.Zaccolo, V.Zach, C.Zampolli, C.Zajporozhets, S.Zarochentsev, A.Zavada, P.Zaviyalov, N.Zbroszczyk, H.Zelnicek, P.Zgura, I. S.Zhalov, M.Zhang, H.Zhang, X.Zhou, D.Zhou, Y.Zhou, F.Zhu, J.Zhu, X.Zichichi, A.Zimmermann, A.Zinovjev, G.Zoccarato, Y.Zynovyev, M.Zyzak, M.
Source
Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics. 718(2):279-294
Subject
Naturvetenskap
Fysik
Subatomär fysik
Natural Sciences
Physical Sciences
Subatomic Physics
Language
English
ISSN
0370-2693
Abstract
The P-T-differential inclusive production cross section of the prompt charm-strange meson D-s(+) in the rapidity range vertical bar y vertical bar < 0.5 was measured in proton-proton collisions at root s = 7 TeV at the LHC using the ALICE detector. The analysis was performed on a data sample of 2.98 x 10(8) events collected with a minimum-bias trigger. The corresponding integrated luminosity is L-int = 4.8 nb(-1). Reconstructing the decay D-s(+) -> phi pi(+) with phi -> K-K+, and its charge conjugate, about 480 D-s(+/-) mesons were counted, after selection cuts, in the transverse momentum range 2 < P-T < 12 GeV/c. The results are compared with predictions from models based on perturbative QCD. The ratios of the cross sections of four D meson species (namely D-0, D+, D*+ and D-s(+)) were determined both as a function of p(T) and integrated over p(T)after extrapolating to full p(T) range, together with the strangeness suppression factor in charm fragmentation. The obtained values are found to be compatible within uncertainties with those measured by other experiments in e(+)e(-), ep and pp interactions at various centre-of-mass energies. (C) 2012 CERN. Published by Elsevier By. All rights reserved.