Display options
Share it on

Phys Rev Lett. 2006 Jan 13;96(1):012304. doi: 10.1103/PhysRevLett.96.012304. Epub 2006 Jan 10.

J/psi production and nuclear effects for d + Au and p + p collisions at square root of S(NN) = 200 GeV.

Physical review letters

S S Adler, S Afanasiev, C Aidala, N N Ajitanand, Y Akiba, A Al-Jamel, J Alexander, K Aoki, L Aphecetche, R Armendariz, S H Aronson, E T Atomssa, R Averbeck, T C Awes, V Babintsev, A Baldisseri, K N Barish, P D Barnes, B Bassalleck, S Bathe, S Batsouli, V Baublis, F Bauer, A Bazilevsky, S Belikov, M T Bjorndal, J G Boissevain, H Borel, M L Brooks, D S Brown, N Bruner, D Bucher, H Buesching, V Bumazhnov, G Bunce, J M Burward-Hoy, S Butsyk, X Camard, P Chand, W C Chang, S Chernichenko, C Y Chi, J Chiba, M Chiu, I J Choi, R K Choudhury, T Chujo, V Cianciolo, Y Cobigo, B A Cole, M P Comets, P Constantin, M Csanád, T Csörgo, J P Cussonneau, D d'Enterria, K Das, G David, F Deák, H Delagrange, A Denisov, A Deshpande, E J Desmond, A Devismes, O Dietzsch, J L Drachenberg, O Drapier, A Drees, A Durum, D Dutta, V Dzhordzhadze, Y V Efremenko, H En'yo, B Espagnon, S Esumi, D E Fields, C Finck, F Fleuret, S L Fokin, B D Fox, Z Fraenkel, J E Frantz, A Franz, A D Frawley, Y Fukao, S-Y Fung, S Gadrat, M Germain, A Glenn, M Gonin, J Gosset, Y Goto, R Granier de Cassagnac, N Grau, S V Greene, M Grosse Perdekamp, H-A Gustafsson, T Hachiya, J S Haggerty, H Hamagaki, A G Hansen, E P Hartouni, M Harvey, K Hasuko, R Hayano, X He, M Heffner, T K Hemmick, J M Heuser, P Hidas, H Hiejima, J C Hill, R Hobbs, W Holzmann, K Homma, B Hong, A Hoover, T Horaguchi, T Ichihara, V V Ikonnikov, K Imai, M Inaba, M Inuzuka, D Isenhower, L Isenhower, M Ishihara, M Issah, A Isupov, B V Jacak, J Jia, O Jinnouchi, B M Johnson, S C Johnson, K S Joo, D Jouan, F Kajihara, S Kametani, N Kamihara, M Kaneta, J H Kang, K Katou, T Kawabata, A V Kazantsev, S Kelly, B Khachaturov, A Khanzadeev, J Kikuchi, D J Kim, E Kim, G-B Kim, H J Kim, E Kinney, A Kiss, E Kistenev, A Kiyomichi, C Klein-Boesing, H Kobayashi, L Kochenda, V Kochetkov, R Kohara, B Komkov, M Konno, D Kotchetkov, A Kozlov, P J Kroon, C H Kuberg, G J Kunde, K Kurita, M J Kweon, Y Kwon, G S Kyle, R Lacey, J G Lajoie, Y Le Bornec, A Lebedev, S Leckey, D M Lee, M J Leitch, M A L Leite, X H Li, H Lim, A Litvinenko, M X Liu, C F Maguire, Y I Makdisi, A Malakhov, V I Manko, Y Mao, G Martinez, H Masui, F Matathias, T Matsumoto, M C McCain, P L McGaughey, Y Miake, T E Miller, A Milov, S Mioduszewski, G C Mishra, J T Mitchell, A K Mohanty, D P Morrison, J M Moss, D Mukhopadhyay, M Muniruzzaman, S Nagamiya, J L Nagle, T Nakamura, J Newby, A S Nyanin, J Nystrand, E O'brien, C A Ogilvie, H Ohnishi, I D Ojha, H Okada, K Okada, A Oskarsson, I Otterlund, K Oyama, K Ozawa, D Pal, A P T Palounek, V Pantuev, V Papavassiliou, J Park, W J Park, S F Pate, H Pei, V Penev, J-C Peng, H Pereira, V Peresedov, A Pierson, C Pinkenburg, R P Pisani, M L Purschke, A K Purwar, J M Qualls, J Rak, I Ravinovich, K F Read, M Reuter, K Reygers, V Riabov, Y Riabov, G Roche, A Romana, M Rosati, S S E Rosendahl, P Rosnet, V L Rykov, S S Ryu, N Saito, T Sakaguchi, S Sakai, V Samsonov, L Sanfratello, R Santo, H D Sato, S Sato, S Sawada, Y Schutz, V Semenov, R Seto, T K Shea, I Shein, T-A Shibata, K Shigaki, M Shimomura, A Sickles, C L Silva, D Silvermyr, K S Sim, 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, J P Sullivan, S Takagi, E M Takagui, A Taketani, K H Tanaka, Y Tanaka, K Tanida, M J Tannenbaum, A Taranenko, P Tarján, T L Thomas, M Togawa, J Tojo, H Torii, R S Towell, V-N Tram, I Tserruya, Y Tsuchimoto, H Tydesjö, N Tyurin, T J Uam, H W van Hecke, J Velkovska, M Velkovsky, V Veszprémi, A A Vinogradov, M A Volkov, E Vznuzdaev, X R Wang, Y Watanabe, S N White, N Willis, F K Wohn, C L Woody, W Xie, A Yanovich, S Yokkaichi, G R Young, I E Yushmanov, W A Zajc, C Zhang, S Zhou, J Zimányi, L Zolin, X Zong,

Affiliations

  1. Brookhaven National Laboratory, Upton, New York 11973-5000, USA.

PMID: 16486446 DOI: 10.1103/PhysRevLett.96.012304

Abstract

J/psi production in d + Au and p + p collisions at square root of S(NN) = 200 GeV has been measured by the PHENIX experiment at rapidities -2.2 < y < +2.4. The cross sections and nuclear dependence of J/psi production versus rapidity, transverse momentum, and centrality are obtained and compared to lower energy p + A results and to theoretical models. The observed nuclear dependence in d + Au collisions is found to be modest, suggesting that the absorption in the final state is weak and the shadowing of the gluon distributions is small and consistent with Dokshitzer-Gribov-Lipatov-Altarelli-Parisi-based parametrizations that fit deep-inelastic scattering and Drell-Yan data at lower energies.

Publication Types