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Measurement of KS0 and K∗0 in p+p, d+ Au, and Cu + Cu collisions at s NN =200 GeV measurement of KS0 and K∗0 in p+ ⋯ A. Adare et al.

  • A. Adare
  • , S. Afanasiev
  • , C. Aidala
  • , N. N. Ajitanand
  • , Y. Akiba
  • , R. Akimoto
  • , H. Al-Bataineh
  • , J. Alexander
  • , M. Alfred
  • , A. Angerami
  • , K. Aoki
  • , N. Apadula
  • , L. Aphecetche
  • , Y. Aramaki
  • , R. Armendariz
  • , S. H. Aronson
  • , J. Asai
  • , H. Asano
  • , E. T. Atomssa
  • , R. Averbeck
  • T. C. Awes, B. Azmoun, V. Babintsev, M. Bai, G. Baksay, L. Baksay, A. Baldisseri, N. S. Bandara, B. Bannier, K. N. Barish, P. D. Barnes, B. Bassalleck, A. T. Basye, S. Bathe, S. Batsouli, V. Baublis, C. Baumann, A. Bazilevsky, M. Beaumier, S. Beckman, S. Belikov, R. Belmont, R. Bennett, A. Berdnikov, Y. Berdnikov, J. H. Bhom, A. A. Bickley, D. Black, D. S. Blau, J. G. Boissevain, J. S. Bok, H. Borel, K. Boyle, M. L. Brooks, J. Bryslawskyj, H. Buesching, V. Bumazhnov, G. Bunce, S. Butsyk, S. Campbell, A. Caringi, B. S. Chang, J. L. Charvet, C. H. Chen, S. Chernichenko, C. Y. Chi, J. Chiba, M. Chiu, I. J. Choi, J. B. Choi, R. K. Choudhury, P. Christiansen, T. Chujo, P. Chung, A. Churyn, O. Chvala, V. Cianciolo, Z. Citron, C. R. Cleven, B. A. Cole, M. P. Comets, Z. Conesa Del Valle, M. Connors, P. Constantin, M. Csanád, T. Csörgo, T. Dahms, S. Dairaku, I. Danchev, K. Das, A. Datta, M. S. Daugherity, G. David, M. K. Dayananda, M. B. Deaton, K. Deblasio, K. Dehmelt, H. Delagrange, A. Denisov, D. D'Enterria, A. Deshpande, E. J. Desmond, K. V. Dharmawardane, O. Dietzsch, L. Ding, A. Dion, J. H. Do, M. Donadelli, O. Drapier, A. Drees, K. A. Drees, A. K. Dubey, J. M. Durham, A. Durum, D. Dutta, V. Dzhordzhadze, L. D'Orazio, S. Edwards, Y. V. Efremenko, J. Egdemir, F. Ellinghaus, W. S. Emam, T. Engelmore, A. Enokizono, H. En'Yo, S. Esumi, K. O. Eyser, B. Fadem, N. Feege, D. E. Fields, M. Finger, M. Finger, F. Fleuret, S. L. Fokin, Z. Fraenkel, J. E. Frantz, A. Franz, A. D. Frawley, K. Fujiwara, Y. Fukao, T. Fusayasu, S. Gadrat, C. Gal, P. Gallus, P. Garg, I. Garishvili, H. Ge, F. Giordano, A. Glenn, H. Gong, M. Gonin, J. Gosset, Y. Goto, R. Granier De Cassagnac, N. Grau, S. V. Greene, G. Grim, M. Grosse Perdekamp, Y. Gu, T. Gunji, H. Guragain, H. A. Gustafsson, T. Hachiya, A. Hadj Henni, C. Haegemann, J. S. Haggerty, K. I. Hahn, H. Hamagaki, J. Hamblen, R. Han, S. Y. Han, J. Hanks, H. Harada, E. P. Hartouni, K. Haruna, S. Hasegawa, E. Haslum, R. Hayano, X. He, M. Heffner, T. K. Hemmick, T. Hester, H. Hiejima, J. C. Hill, R. Hobbs, M. Hohlmann, R. S. Hollis, W. Holzmann, K. Homma, B. Hong, T. Horaguchi, D. Hornback, T. Hoshino, S. Huang, T. Ichihara, R. Ichimiya, H. Iinuma, Y. Ikeda, K. Imai, Y. Imazu, M. Inaba, Y. Inoue, A. Iordanova, D. Isenhower, L. Isenhower, M. Ishihara, T. Isobe, M. Issah, A. Isupov, D. Ivanischev, D. Ivanishchev, Y. Iwanaga, B. V. Jacak, S. J. Jeon, M. Jezghani, J. Jia, X. Jiang, J. Jin, O. Jinnouchi, B. M. Johnson, T. Jones, E. Joo, K. S. Joo, D. Jouan, D. S. Jumper, F. Kajihara, S. Kametani, N. Kamihara, J. Kamin, M. Kaneta, J. H. Kang, J. S. Kang, H. Kanou, J. Kapustinsky, K. Karatsu, M. Kasai, D. Kawall, M. Kawashima, A. V. Kazantsev, T. Kempel, J. A. Key, V. Khachatryan, A. Khanzadeev, K. Kihara, K. M. Kijima, J. Kikuchi, A. Kim, B. I. Kim, C. Kim, D. H. Kim, D. J. Kim, E. Kim, E. J. Kim, H. J. Kim, M. Kim, Y. J. Kim, Y. K. Kim, E. Kinney, A. Kiss, E. Kistenev, A. Kiyomichi, J. Klatsky, J. Klay, C. Klein-Boesing, D. Kleinjan, P. Kline, T. Koblesky, L. Kochenda, V. Kochetkov, M. Kofarago, B. Komkov, M. Konno, J. Koster, D. Kotchetkov, D. Kotov, A. Kozlov, A. Král, A. Kravitz, J. Kubart, G. J. Kunde, N. Kurihara, K. Kurita, M. Kurosawa, M. J. Kweon, Y. Kwon, G. S. Kyle, R. Lacey, Y. S. Lai, J. G. Lajoie, A. Lebedev, D. M. Lee, J. Lee, K. B. Lee, K. S. Lee, M. K. Lee, S. H. Lee, T. Lee, M. J. Leitch, M. A.L. Leite, M. Leitgab, B. Lenzi, X. Li, P. Lichtenwalner, P. Liebing, S. H. Lim, L. A. Linden Levy, T. Liška, A. Litvinenko, H. Liu, M. X. Liu, B. Love, D. Lynch, C. F. Maguire, Y. I. Makdisi, M. Makek, A. Malakhov, M. D. Malik, A. Manion, V. I. Manko, E. Mannel, Y. Mao, L. Mašek, H. Masui, F. Matathias, M. McCumber, P. L. McGaughey, D. McGlinchey, C. McKinney, N. Means, A. Meles, M. Mendoza, B. Meredith, Y. Miake, T. Mibe, A. C. Mignerey, P. Mikeš, K. Miki, A. J. Miller, T. E. Miller, A. Milov, S. Mioduszewski, D. K. Mishra, M. Mishra, J. T. Mitchell, M. Mitrovski, S. Miyasaka, S. Mizuno, A. K. 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Ravinovich, K. F. Read, S. Rembeczki, M. Reuter, K. Reygers, D. Reynolds, V. Riabov, Y. Riabov, E. Richardson, N. Riveli, D. Roach, G. Roche, S. D. Rolnick, A. Romana, M. Rosati, C. A. Rosen, S. S.E. Rosendahl, P. Rosnet, Z. Rowan, J. G. Rubin, P. Rukoyatkin, P. RuŽička, V. L. Rykov, B. Sahlmueller, N. Saito, T. Sakaguchi, S. Sakai, K. Sakashita, H. Sakata, H. Sako, V. Samsonov, S. Sano, M. Sarsour, S. Sato, T. Sato, S. Sawada, B. Schaefer, B. K. Schmoll, K. Sedgwick, J. Seele, R. Seidl, V. Semenov, A. Sen, R. Seto, P. Sett, A. Sexton, D. Sharma, I. Shein, A. Shevel, T. A. Shibata, K. Shigaki, M. Shimomura, K. Shoji, P. Shukla, A. Sickles, C. L. Silva, D. Silvermyr, C. Silvestre, K. S. Sim, B. K. Singh, C. P. Singh, V. Singh, S. Skutnik, M. Slunečka, A. Soldatov, R. A. Soltz, W. E. Sondheim, S. P. Sorensen, I. V. Sourikova, F. Staley, P. W. Stankus, E. Stenlund, M. Stepanov, A. Ster, S. P. Stoll, T. Sugitate, C. Suire, A. Sukhanov, T. Sumita, J. Sun, J. Sziklai, T. Tabaru, S. 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  • Institute for Nuclear Research of the Russian Academy of Sciences
  • University of Debrecen
  • Lahore University of Management Sciences

Research output: Contribution to journalArticlepeer-review

37 Scopus citations

Abstract

The PHENIX experiment at the Relativistic Heavy Ion Collider has performed a systematic study of KS0 and K∗0 meson production at midrapidity in p+p,d+Au, and Cu+Cu collisions at sNN=200 GeV. The KS0 and K∗0 mesons are reconstructed via their KS0→π0(→γγ)π0(→γγ) and K∗0→K±π decay modes, respectively. The measured transverse-momentum spectra are used to determine the nuclear modification factor of KS0 and K∗0 mesons in d+Au and Cu+Cu collisions at different centralities. In the d+Au collisions, the nuclear modification factor of KS0 and K∗0 mesons is almost constant as a function of transverse momentum and is consistent with unity, showing that cold-nuclear-matter effects do not play a significant role in the measured kinematic range. In Cu+Cu collisions, within the uncertainties no nuclear modification is registered in peripheral collisions. In central collisions, both mesons show suppression relative to the expectations from the p+p yield scaled by the number of binary nucleon-nucleon collisions in the Cu+Cu system. In the pT range 2-5 GeV/c, the strange mesons (KS0,K∗0) similarly to the φ meson with hidden strangeness, show an intermediate suppression between the more suppressed light quark mesons (π0) and the nonsuppressed baryons (p,p¯). At higher transverse momentum, pT>5 GeV/c, production of all particles is similarly suppressed by a factor of ≈2.

Original languageEnglish
Article number054905
JournalPhysical Review C - Nuclear Physics
Volume90
Issue number5
DOIs
StatePublished - Nov 7 2014

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