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J/psi production in Au-Au collisions at root s(NN)=200 GeV

Adler, SS; Afanasiev, S; Aidala, C; Ajitanand, NN; Akiba, Y; Alexander, J; Amirikas, R; Aphecetche, L; Aronson, SH and Averbeck, R, et al. (2004) In Physical Review C (Nuclear Physics) 69(1).
Abstract
First results on charm quarkonia production in heavy ion collisions at the Relativistic Heavy Ion Collider (RHIC) are presented. The yield of J/psi's measured in the PHENIX experiment via electron-positron decay pairs at midrapidity for Au-Au reactions at roots(NN) = 200 GeV is analyzed as a function of collision centrality. For this analysis we have studied 49.3x10(6) minimum bias Au-Au reactions. We present the J/psi invariant yield dN/dy for peripheral and midcentral reactions. For the most central collisions where we observe no signal above background, we quote 90% confidence level upper limits. We compare these results with our J/psi measurement from proton-proton reactions at the same energy. We find that our measurements are not... (More)
First results on charm quarkonia production in heavy ion collisions at the Relativistic Heavy Ion Collider (RHIC) are presented. The yield of J/psi's measured in the PHENIX experiment via electron-positron decay pairs at midrapidity for Au-Au reactions at roots(NN) = 200 GeV is analyzed as a function of collision centrality. For this analysis we have studied 49.3x10(6) minimum bias Au-Au reactions. We present the J/psi invariant yield dN/dy for peripheral and midcentral reactions. For the most central collisions where we observe no signal above background, we quote 90% confidence level upper limits. We compare these results with our J/psi measurement from proton-proton reactions at the same energy. We find that our measurements are not consistent with models that predict strong enhancement relative to binary collision scaling. (Less)
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Physical Review C (Nuclear Physics)
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69
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1
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American Physical Society
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0556-2813
DOI
10.1103/PhysRevC.69.014901
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English
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@article{ad12fd5f-c90e-4b5a-ba10-b37d4cd29795,
  abstract     = {First results on charm quarkonia production in heavy ion collisions at the Relativistic Heavy Ion Collider (RHIC) are presented. The yield of J/psi's measured in the PHENIX experiment via electron-positron decay pairs at midrapidity for Au-Au reactions at roots(NN) = 200 GeV is analyzed as a function of collision centrality. For this analysis we have studied 49.3x10(6) minimum bias Au-Au reactions. We present the J/psi invariant yield dN/dy for peripheral and midcentral reactions. For the most central collisions where we observe no signal above background, we quote 90% confidence level upper limits. We compare these results with our J/psi measurement from proton-proton reactions at the same energy. We find that our measurements are not consistent with models that predict strong enhancement relative to binary collision scaling.},
  articleno    = {014901},
  author       = {Adler, SS and Afanasiev, S and Aidala, C and Ajitanand, NN and Akiba, Y and Alexander, J and Amirikas, R and Aphecetche, L and Aronson, SH and Averbeck, R and Awes, TC and Azmoun, R and Babintsev, V and Baldisseri, A and Barish, KN and Barnes, PD and Bassalleck, B and Bathe, S and Batsouli, S and Baublis, V and Bazilevsky, A and Belikov, S and Berdnikov, Y and Bhagavatula, S and Boissevain, JG and Borel, H and Borenstein, S and Brooks, ML and Brown, DS and Bruner, N and Bucher, D and Buesching, H and Bumazhnov, V and Bunce, G and Burward-Hoy, JM and Butsyk, S and Camard, X and Chai, JS and Chand, P and Chang, WC and Chernichenko, S and Chi, CY and Chiba, J and Chiu, M and Choi, IJ and Choi, J and Choudhury, RK and Chujo, T and Cianciolo, V and Cobigo, Y and Cole, BA and Constantin, P and d'Enterria, DG and David, G and Delagrange, H and Denisov, A and Deshpande, A and Desmond, EJ and Dietzsch, O and Drapier, O and Drees, A and du Rietz, Rickard and Durum, A and Dutta, D and Efremenko, YV and El Chenawi, K and Enokizono, A and En'yo, H and Esumi, S and Ewell, L and Fields, DE and Fleuret, F and Fokin, SL and Fox, BD and Fraenkel, Z and Frantz, JE and Franz, A and Frawley, AD and Fung, SY and Garpman, Sten and Ghosh, TK and Glenn, A and Gogiberidze, G and Gonin, M and Gosset, J and Goto, Y and de Cassagnac, RG and Grau, N and Greene, SV and Perdekamp, MG and Guryn, W and Gustafsson, Hans-Åke and Hachiya, T and Haggerty, JS and Hamagaki, H and Hansen, AG and Hartouni, EP and Harvey, M and Hayano, R and He, X and Heffner, M and Hemmick, TK and Heuser, JM and Hibino, M and Hill, JC and Holzmann, W and Homma, K and Hong, B and Hoover, A and Ichihara, T and Ikonnikov, VV and Imai, K and Isenhower, LD and Ishihara, M and Issah, M and Isupov, A and Jacak, BV and Jang, WY and Jeong, Y and Jia, J and Jinnouchi, O and Johnson, BM and Johnson, SC and Joo, KS and Jouan, D and Kametani, S and Kamihara, N and Kang, JH and Kapoor, SS and Katou, K and Kelly, S and Khachaturov, B and Khanzadeev, A and Kikuchi, J and Kim, DH and Kim, DJ and Kim, DW and Kim, E and Kim, GB and Kim, HJ and Kistenev, E and Kiyomichi, A and Kiyoyama, K and Klein-Boesing, C and Kobayashi, H and Kochenda, L and Kochetkov, V and Koehler, D and Kohama, T and Kopytine, M and Kotchetkov, D and Kozlov, A and Kroon, PJ and Kuberg, CH and Kurita, K and Kuroki, Y and Kweon, MJ and Kwon, Y and Kyle, GS and Lacey, R and Ladygin, V and Lajoie, JG and Lebedev, A and Leckey, S and Lee, DM and Lee, S and Leitch, MJ and Li, XH and Lim, H and Litvinenko, A and Liu, MX and Liu, Y and Maguire, CF and Makdisi, YI and Malakhov, A and Manko, VI and Mao, Y and Martinez, G and Marx, MD and Masui, H and Matathias, F and Matsumoto, T and McGaughey, PL and Melnikov, E and Messer, F and Miake, Y and Milan, J and Miller, TE and Milov, A and Mioduszewski, S and Mischke, RE and Mishra, GC and Mitchell, JT and Mohanty, AK and Morrison, DP and Moss, JM and Muhlbacher, F and Mukhopadhyay, D and Muniruzzaman, M and Murata, J and Nagamiya, S and Nagle, JL and Nakamura, T and Nandi, BK and Nara, M and Newby, J and Nilsson, Pål and Nyanin, AS and Nystrand, Joakim and O'Brien, E and Ogilvie, CA and Ohnishi, H and Ojha, ID and Okada, K and Ono, M and Onuchin, V and Oskarsson, Anders and Otterlund, Ingvar and Oyama, K and Ozawa, K and Pal, D and Palounek, APT and Pantuev, VS and Papavassiliou, V and Park, J and Parmar, A and Pate, SF and Peitzmann, T and Peng, JC and Peresedov, V and Pinkenburg, C and Pisani, RP and Plasil, F and Purschke, ML and Purwar, A and Rak, J and Ravinovich, I and Read, KF and Reuter, M and Reygers, K and Riabov, V and Riabov, Y and Roche, G and Romana, A and Rosati, M and Rosnet, P and Ryu, SS and Sadler, ME and Saito, N and Sakaguchi, T and Sakai, M and Sakai, S and Samsonov, V and Sanfratello, L and Santo, R and Sato, HD and Sato, S and Sawada, S and Schutz, Y and Semenov, V and Seto, R and Shaw, MR and Shea, TK and Shibata, TA and Shigaki, K and Shiina, T and Silva, CL and Silvermyr, David and Sim, KS and Singh, CP and Singh, V and Sivertz, M and Soldatov, A and Soltz, RA and Sondheim, WE and Sorensen, SP and Sourikova, IV and Staley, F and Stankus, PW and Stenlund, Evert and Stepanov, M and Ster, A and Stoll, SP and Sugitate, T and Sullivan, JP and Takagui, EM and Taketani, A and Tamai, M and Tanaka, KH and Tanaka, Y and Tanida, K and Tannenbaum, MJ and Tarjan, P and Tepe, JD and Thomas, TL and Tojo, J and Torii, H and Towell, RS and Tserruya, I and Tsuruoka, H and Tuli, SK and Tydesjö, Henrik and Tyurin, N and van Hecke, HW and Velkovska, J and Velkovsky, M and Villatte, L and Vinogradov, AA and Volkov, MA and Vznuzdaev, E and Wang, XR and Watanabe, Y and White, SN and Wohn, FK and Woody, CL and Xie, W and Yang, Y and Yanovich, A and Yokkaichi, S and Young, GR and Yushmanov, IE and Zajc, WA and Zhang, C and Zhou, S and Zhou, SJ and Zolin, L},
  issn         = {0556-2813},
  language     = {eng},
  number       = {1},
  publisher    = {American Physical Society},
  series       = {Physical Review C (Nuclear Physics)},
  title        = {J/psi production in Au-Au collisions at root s(NN)=200 GeV},
  url          = {http://dx.doi.org/10.1103/PhysRevC.69.014901},
  volume       = {69},
  year         = {2004},
}