Absence of suppression in particle production at large transverse momentum in sqrt[s(NN)]=200 GeV d+Au collisions.

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

doi:10.1103/physrevlett.91.072303

Abstract

Transverse momentum spectra of charged hadrons with p(T)<8 GeV/c and neutral pions with p(T)<10 GeV/c have been measured at midrapidity by the PHENIX experiment at BNL RHIC in d+Au collisions at sqrt[s(NN)]=200 GeV. The measured yields are compared to those in p+p collisions at the same sqrt[s(NN)] scaled up by the number of underlying nucleon-nucleon collisions in d+Au. The yield ratio does not show the suppression observed in central Au+Au collisions at RHIC. Instead, there is a small enhancement in the yield of high momentum particles.

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