J/psi suppression at forward rapidity in Au plus Au collisions at root s(NN)=39 and 62.4 GeV A Adare , P L Mcgaughey , M Mendoza , H Iinuma , T Engelmore , Jian Sun , T Chujo , R Seidl , F Fleuret , S H Lee , V I Manko , M Daugherity , A Sukhanov , Atsushi Takahara , A Franz , Eung Ju Kim , A Sickles , T Csorgo , P K Shukla , E Haslum , Xiujun Gong , C Aidala , S D Rolnick , Kozo Hashimoto , Sebastian White , T V Moukhanova , A Drees , Liang Guo , Xuan He , R K Choudhury , Y Miake , Y Miyachi , Kyu Back Lee , N Grau , A Veicht , A Milov , B H Park , B V Jacak , J T Mitchell , V Pantuev , K Nakamura , V Cianciolo , B Lee , P Castera , M Gonin , M Slunecka , D P Morrison , B Bassalleck , J S Haggerty , Shihshieh Huang , C Gal , C Maguire , J Velkovska , S F Pate , Yue Shi Lai , H Torii , J Klatsky , B K Singh , M Nihashi , E Kistenev , Y Riabov , W E Sondheim , H Pereira , A Durum , K Tanida , M Csanad , A C Mignerey , D Isenhower , Tadahiko Sakaguchi , D Blau , I Nakagawa , K N Barish , E T Atomssa , M L Brooks , K Boyle , Toshihide Tsuji , A Ster , F Krizek , R Yang , V Bumazhnov , K Shigaki , M Sarsour , Jae Boong Choi , Samir S Taneja , M Mccumber , G Roche , D Kotchetkov , S Nagamiya , J Koster , Yasuto Hori , T Gunji , Y Nakamiya , M X Liu , V Baublis , P Christiansen , S V Greene , J S Kapustinsky , D Yu Peressounko , S Esumi , Masayuki Inaba , Byungyou Hong , A Manion , Jun Murata , Steven W Edwards , Tomoaki Nakamura , J Hanks , A Kiss , Mamoru Ouchida , S L Fokin , R Granier De Cassagnac , D Winter , N Apadula , I H Park , K Gainey , M Wysocki , R S Hollis , S P Tarafdar , I Garishvili , Y Aramaki , T Mibe , L Tomasek , D K Mishra , M Makek , M A L Leite , S K Park , D Kleinjan , D M Lee , M Bai , M Virius , M L Purschke , T Fusayasu , B Fadem , A Yanovich , E Tennant , Hao Pei , S P Stoll , M J Leitch , J Kamin , A S Nyanin , M J Tannenbaum , T A Shibata , D Mcglinchey , Misato Kasai , K Kurita , J C Hill , A Iordanova , E Mannel , Yoshiyuki Tanaka , P Kline , R S Towell , Jiangyong Jia , Basil S Lewis , Hyo Jung Kim , Kyu Bong Kim , D K Sharma , E Kinney , A Dion , A Nederlof , R Pak , Michael Finger , R Seto , I V Sourikova , Marton Vargyas , B Meredith , T Hachiya , K I Hahn , A Denisov , M Grosse Perdekamp , Z You , Hee Jung Moon , H A Gustafsson , I Younus , C Mckinney , E Vazquezzambrano , Y K Kim , J Rak , M Proissl , M Shimomura , H W Van Hecke , B Azmoun , R Petti , A Bazilevsky , O Drapier , G David , Minsen Chiu , D E Fields , A K Mohanty , V Riabov , S P Sorensen , K O Eyser , C P Singh , T K Hemmick , A Garishvili , B Love , Zvi Hirsh Citron , C L Woody , C H Chen , S Butsyk , Edwin A Richardson , H Altaani , Emily C Obrien , S Kaneti , I Ravinovich , J Imrek , M Soumya , X R Wang , T Todoroki , M Donadelli , M Tomasek , K F Read , J E Frantz , O Chvala , R S Hayano , Motohiro Kurosawa , G J Kunde , Y Goto , M Javani , A Kral , I E Yushmanov , E M Takagui , X Bing , K Sedgwick , D Jouan , D Kotov , E C Aschenauer , R Vertesi , L Patel , T Horaguchi , S Yokkaichi , D Roach , R A Soltz , L Dorazio , Suyong Choi , L A Linden Levy , K Homma , K S Sim , Y Ikeda , C Nattrass , Im Jeong Choi , A V Kazantsev , M Issah , , Tomoaki Murakami , Daisuke Watanabe , V Papavassiliou , A Angerami , Naobumi Saito , Y Berdnikov , E Stenlund , T Sugitate , A Vossen , Margherita Rosati , A D Frawley , M Stepanov , C Kim , A Zelenski , Y Yamaguchi , A Berdnikov , John M Alexander , D Ivanischev , Hajime Asano , N N Ajitanand , B H Kang , H Buesching , G S Kyle , X Jiang , A Lebedev , K S Joo , Ryoichi Akimoto , S Motschwiller , D Kawall , R Reynolds , C Vale , Y Tsuchimoto , Kozo Aoki , J Sziklai , J G Lajoie , S Wolin , A Sen , C Pinkenburg , M Leitgab , K Ozawa , T C Awes , H Themann , S H Lim , C Y Chi , E J Desmond , V Samsonov , J C Peng , D Silvermyr , Ronghui Wei , Y Fukao , Koji Nakano , S Bathe , Y I Makdisi , Y Kwon , Jongsup Lee , A Taketani , O Dietzsch , H Hamagaki , Masako Sano , Yasato Komatsu , B Sahlmueller , L Ding , T Nagae , K Shoji , I Shein , Fuchan Wei , S Miyasaka , B A Cole , B Bannier , Kei Okada , J Ying , T Ichihara , R Nouicer , Y V Efremenko , S Sawada , S Campbell , N Novitzky , T Hester , H Qu , Byung Ik Kim , D J Kim , R Belmont , T Kempel , S Masumoto , K V Dharmawardane , K M Kijima , Y Watanabe , V Singh , K Karatsu , V Vrba , W A Zajc , R Lacey , B M Johnson , V Babintsev , I Tserruya , B Komkov , K A Drees , C A Ogilvie , S Baumgart , A Glenn , C L Silva , J M Durham , S Dairaku , Y Akiba , E Vznuzdaev , Asis Datta , A Taranenko , Kuniaki Watanabe , J L Nagle , P W Stankus , J H Kang , A Enokizono , A Deshpande , M Connors , R P Pisani , M I Nagy , A Khanzadeev , Hiroaki Asano , Jae Boong Choi PHYSICAL REVIEW C（2012）
摘要
We present measurements of the J/psi invariant yields in root s(NN) = 39 and 62.4 GeV Au + Au collisions at forward rapidity (1.2 < vertical bar y vertical bar < 2.2). Invariant yields are presented as a function of both collision centrality and transverse momentum. Nuclear modifications are obtained for central relative to peripheral Au + Au collisions (R-CP) and for various centrality selections in Au + Au relative to scaled p + p cross sections obtained from other measurements (R-AA). The observed suppression patterns at 39 and 62.4 GeV are quite similar to those previously measured at 200 GeV. This similar suppression presents a challenge to theoretical models that contain various competing mechanisms with different energy dependencies, some of which cause suppression and others enhancement. DOI: 10.1103/PhysRevC.86.064901
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