DSpace at EWHA: J/ψ suppression at forward rapidity in Au + Au collisions at √sNN=200 GeV

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J/ψ suppression at forward rapidity in Au + Au collisions at √sNN=200 GeV

Title: J/ψ suppression at forward rapidity in Au + Au collisions at √sNN=200 GeV

Authors: Adare A.; Afanasiev S.; Aidala C.; Ajitanand N.N.; Akiba Y.; Al-Bataineh H.; Alexander J.; Aoki K.; Aramaki Y.; Atomssa E.T.; Averbeck R.; Awes T.C.; Azmoun B.; Babintsev V.; Bai M.; Baksay G.; Baksay L.; Barish K.N.; Bassalleck B.; Basye A.T.; Bathe S.; Baublis V.; Baumann C.; Bazilevsky A.; Belikov S.; Belmont R.; Bennett R.; Berdnikov A.; Berdnikov Y.; Bickley A.A.; Bok J.S.; Boyle K.; Brooks M.L.; Buesching H.; Bumazhnov V.; Bunce G.; Butsyk S.; Camacho C.M.; Campbell S.; Chen C.-H.; Chi C.Y.; Chiu M.; Choi I.J.; Choudhury R.K.; Christiansen P.; Chujo T.; Chung P.; Chvala O.; Cianciolo V.; Citron Z.; Cole B.A.; Connors M.; Constantin P.; Csanad M.; Csorgo T.; Dahms T.; Dairaku S.; Danchev I.; Das K.; Datta A.; David G.; Denisov A.; Deshpande A.; Desmond E.J.; Dietzsch O.; Dion A.; Donadelli M.; Drapier O.; Drees A.; Drees K.A.; Durham J.M.; Durum A.; Dutta D.; Edwards S.; Efremenko Y.V.; Ellinghaus F.; Engelmore T.; Enokizono A.; En'Yo H.; Esumi S.; Fadem B.; Fields D.E.; Finger M.; Fleuret F.; Fokin S.L.; Fraenkel Z.; Frantz J.E.; Franz A.; Frawley A.D.; Fujiwara K.; Fukao Y.; Fusayasu T.; Garishvili I.; Glenn A.; Gong H.; Gonin M.; Goto Y.; Granier De Cassagnac R.; Grau N.; Greene S.V.; Grosse Perdekamp M.; Gunji T.; Gustafsson H.-A.; Haggerty J.S.; Hahn K.I.; Hamagaki H.; Hamblen J.; Hanks J.; Han R.; Hartouni E.P.; Haslum E.; Hayano R.; Heffner M.; Hemmick T.K.; Hester T.; He X.; Hill J.C.; Hohlmann M.; Holzmann W.; Homma K.; Hong B.; Horaguchi T.; Hornback D.; Huang S.; Ichihara T.; Ichimiya R.; Ide J.; Ikeda Y.; Imai K.; Inaba M.; Isenhower D.; Ishihara M.; Isobe T.; Issah M.; Isupov A.; Ivanischev D.; Jacak B.V.; Jia J.; Jin J.; Johnson B.M.; Joo K.S.; Jouan D.; Jumper D.S.; Kajihara F.; Kametani S.; Kamihara N.; Kamin J.; Kang J.H.; Kapustinsky J.; Karatsu K.; Kawall D.; Kawashima M.; Kazantsev A.V.; Kempel T.; Khanzadeev A.; Kijima K.M.; Kim B.I.; Kim D.H.; Kim D.J.; Kim E.J.; Kim E.; Kim S.H.; Kim Y.J.; Kinney E.; Kiriluk K.; Kiss A.; Kistenev E.; Kochenda L.; Komkov B.; Konno M.; Koster J.; Kotchetkov D.; Kozlov A.; Kral A.; Kravitz A.; Kunde G.J.; Kurita K.; Kurosawa M.; Kwon Y.; Kyle G.S.; Lacey R.; Lai Y.S.; LajoieJ.G.; Lebedev A.; Lee D.M.; Lee J.; Lee K.B.; Lee K.; Lee K.S.; Leitch M.J.; Leite M.A.L.; Leitner E.; Lenzi B.; Liebing P.; Linden Levy L.A.; Liska T.; Litvinenko A.; Liu H.; Liu M.X.; Li X.; Love B.; Luechtenborg R.; Lynch D.; Maguire C.F.; Makdisi Y.I.; Malakhov A.; Malik M.D.; Manko V.I.; Mannel E.; Mao Y.; Masui H.; Matathias F.; McCumber M.; McGaughey P.L.; Means N.; Meredith B.; Miake Y.; Mignerey A.C.; Mikes P.; Miki K.; Milov A.; Mishra M.; Mitchell J.T.; Mohanty A.K.; Morino Y.; Morreale A.; Morrison D.P.; Moukhanova T.V.; Murata J.; Nagamiya S.; Nagle J.L.; Naglis M.; Nagy M.I.; Nakagawa I.; Nakamiya Y.; Nakamura T.; Nakano K.; Newby J.; Nguyen M.; Nouicer R.; Nyanin A.S.; O'Brien E.; Oda S.X.; Ogilvie C.A.; Okada K.; Oka M.; Onuki Y.; Oskarsson A.; Ouchida M.; Ozawa K.; Pak R.; Pantuev V.; Papavassiliou V.; Park I.H.; Park J.; Park S.K.; Park W.J.; Pate S.F.; Pei H.; Peng J.-C.; Pereira H.; Peresedov V.; Peressounko D.Y.; Pinkenburg C.; Pisani R.P.; Proissl M.; Purschke M.L.; Purwar A.K.; Qu H.; Rak J.; Rakotozafindrabe A.; Ravinovich I.; Read K.F.; Reygers K.; Riabov V.; Riabov Y.; Richardson E.; Roach D.; Roche G.; Rolnick S.D.; Rosati M.; Rosen C.A.; Rosendahl S.S.E.; Rosnet P.; Rukoyatkin P.; Ruzicka P.; Sahlmueller B.; Saito N.; Sakaguchi T.; Sakashita K.; Samsonov V.; Sano S.; Sato T.; Sawada S.; Sedgwick K.; Seele J.; Seidl R.; Semenov A.Y.; Seto R.; Sharma D.; Shein I.; Shibata T.-A.; Shigaki K.; Shimomura M.; Shoji K.; Shukla P.; Sickles A.; Silva C.L.; Silvermyr D.; Silvestre C.; Sim K.S.; Singh B.K.; Singh C.P.; Singh V.; Slunecka M.; Soltz R.A.; Sondheim W.E.; Sorensen S.P.; Sourikova I.V.; Sparks N.A.; Stankus P.W.; Stenlund E.; Stoll S.P.; Sugitate T.; Sukhanov A.; Sziklai J.; Takagui E.M.; Taketani A.; Tanabe R.; Tanaka Y.; Tanida K.; Tannenbaum M.J.; Tarafdar S.; Taranenko A.; Tarjan P.; Themann H.; Thomas T.L.; Togawa M.; Toia A.; Tomasek L.; Torii H.; Towell R.S.; Tserruya I.; Tsuchimoto Y.; Vale C.; Valle H.; Van Hecke H.W.; Vazquez-Zambrano E.; Veicht A.; Velkovska J.; Vertesi R.; Vinogradov A.A.; Virius M.; Vrba V.; Vznuzdaev E.; Wang X.R.; Watanabe D.; Watanabe K.; Watanabe Y.; Wei F.; Wei R.; Wessels J.; White S.N.; Winter D.; Wood J.P.; Woody C.L.; Wright R.M.; Wysocki M.; Xie W.; Yamaguchi Y.L.; Yamaura K.; Yang R.; Yanovich A.; Ying J.; Yokkaichi S.; Young G.R.; Younus I.; You Z.; Yushmanov I.E.; Zajc W.A.; Zhang C.; Zhou S.; Zolin L.

Ewha Authors: 한인식; 박일흥

SCOPUS Author ID: 한인식 ; 박일흥

Issue Date: 2011

Journal Title: Physical Review C - Nuclear Physics

ISSN: 0556-2813

Citation: Physical Review C - Nuclear Physics vol. 84, no. 5

Indexed: SCI; SCIE; SCOPUS

Document Type: Article

Abstract: Heavy quarkonia are observed to be suppressed in relativistic heavy-ion collisions relative to their production in p+p collisions scaled by the number of binary collisions. In order to determine if this suppression is related to color screening of these states in the produced medium, one needs to account for other nuclear modifications including those in cold nuclear matter. In this paper, we present new measurements from the PHENIX 2007 data set of J/ψ yields at forward rapidity (1.2<|y|<2.2) in Au+Au collisions at √sNN=200 GeV. The data confirm the earlier finding that the suppression of J/ψ at forward rapidity is stronger than at midrapidity, while also extending the measurement to finer bins in collision centrality and higher transverse momentum (pT). We compare the experimental data to the most recent theoretical calculations that incorporate a variety of physics mechanisms including gluon saturation, gluon shadowing, initial-state parton energy loss, cold nuclear matter breakup, color screening, and charm recombination. We find J/ψ suppression beyond cold-nuclear-matter effects. However, the current level of disagreement between models and d+Au data precludes using these models to quantify the hot-nuclear-matter suppression. © 2011 American Physical Society.