Comparison of the space-time extent of the emission source in $d$$+$Au and Au$+$Au collisions at $\sqrt{s_{{NN}}}=200$ GeV

N N Ajitanand,P L Mcgaughey,M Mendoza, T Engelmore,A Morreale,J Sun, Shinta Mizuno, J P Wessels, J Kikuchi,Junji Ide,T Chujo,R Seidl,S Huang,S H Lee,Pauchoo Chung,M Daugherity,A Sukhanov,Atsushi Takahara,D Lynch,H Masui,A Franz,J Park,E J Kim,K S Sim,A Litvinenko, T Csorgo,Prashant Shukla, C M Oakley, C Aidala,K Das,S D Rolnick,N A Sparks,M J Tannenbaum,A Rakotozafindrabe,Sebastian White,T V Moukhanova,A Drees,A Toia, Xiangke He, R K Choudhury, Y Miake,K B Lee,N Grau,A Veicht,B Fadem,T Dahms, Inhye Yoon,Takatoshi Murakami,B V Jacak,F Ellinghaus,L Kochenda,M Jezghani,V Pantuev,K Nakamura,V Cianciolo,M Togawa,M Gonin,M Slunecka,P Lichtenwalner,A Angerami,M Finger,D P Morrison,B Bassalleck,V Khachatryan,J S Haggerty,C Gal, C Maguire, K Kihara, A Mwai,V I Manko,Y Morino, Kazuya Fujiwara,J Seele,Yue Shi Lai,Xuejun Li,H Torii,G R Young, J Klatsky,B K Singh,M Nihashi,E Kistenev,Y Riabov,W E Sondheim,H Pereira,A Durum,N Kamihara,K Tanida, Myungsoo Kim, A C Mignerey,D Isenhower,Takemasa Sakaguchi,C Baumann, T Koblesky,D Blau,I Nakagawa, T Sugitate,E T Atomssa,M L Brooks,K Boyle,R Yang,V Bumazhnov,P A Rukoyatkin, K Shigaki,B Lenzi,S L Fokin,Subhash C Taneja,G Roche,D Kotchetkov,S Nagamiya,B Love, M K Mishra,Jan Koster,J Hamblen,L Baksay,J A Key,E Mannel,M Alfred,Y Nakamiya,M X Liu,V Baublis,P Christiansen,P K Netrakanti,Shuntaro Sato,S V Greene, J S Kapustinsky,A Sexton,M K Dayananda,D Yu Peressounko,T Liska,Shinichi Esumi,Toshihiro Isobe,Masayuki Inaba,Byungyou Hong, R Pinson,G Baksay, A Manion, Junko Murata,S Edwards,Soonkwon Nam,S Oda,Taketsune Nakamura,J Hanks, Juhong Jin,J Bryslawskyj, D Dutta,A Kiss,J Newby,Mamoru Ouchida,Jae Boong Choi,R Granier De Cassagnac,D Winter,K Sakashita, D L Reynolds, A Vinogradov,N Apadula,I H Park,M Wysocki,R S Hollis,K Yamaura,S Tarafdar,A Kim,E Haslum,J S Bok,I Garishvili,Y Aramaki,T Mibe,L Tomasek, M Makek,C M Camacho,Dong Hyun Kim, B D Schaefer, M A L Leite,Soo Kwon Park,D Kleinjan,K Deblasio,E Vazquezzambrano,M Bai,M Virius,M L Purschke,T Fusayasu,F Fleuret,A Yanovich,S Sano,R M Wright,H Pei,S P Stoll,S S E Rosendahl,M J Leitch,J Kamin,D Hornback,A S Nyanin, T A Shibata, Robert Russell Bennett,D Mcglinchey,D Ivanishchev,A Kravitz, Masataka Kasai,K Kurita, J C Hill,A Iordanova,T Gunji,Yasumoto Tanaka,P Kline,R S Towell, Hirotaka Sako,S Rembeczki,Jiangyong Jia, H J Kim, Taishi Sumita,Douglas L Black, E Kinney,A Dion,R Pak, R Seto,Dennis Perepelitsa,Marton Vargyas,B Meredith,T Hachiya,K I Hahn, Kamon Imai,A Denisov,D N Sharma,M Grosse Perdekamp, S Afanasiev,Hwa Jin Moon, P Rosnet,H A Gustafsson,E Leitner,Se Jin Jeon,I Younus,Hongyan Liu,C Mckinney,N Means,K Miki,R Luechtenborg,F Kajihara,L Zolin, S P Whitaker,Y K Kim,J Rak,M Proissl,M Shimomura,H W Van Hecke,B Azmoun,R Petti,A Bazilevsky,H Albataineh,O Drapier, G David,Minsen Chiu,A Meles,D E Fields,P Montuenga,P Constantin,Z Rowan, A K Mohanty,S Belikov,V Riabov, H Guragain,Rui Han, J Velkovska,C P Singh,T K Hemmick,Masaaki Oka,I V Sourikova,Huili Gong, Jyh Huang,M Sarsour, T W Jones,Y Iwanaga,Zvi Hirsh Citron,C L Woody,C H Chen,S Butsyk,F Matathias,Taebong Moon,E Richardson, D K Mishra, Edward R Obrien, Lian Xue,C Silvestre,Andrey V Kozlov,I Ravinovich,P Liebing,Shengli Zhou,Bin Xia,Wei Xie,X R Wang,T Todoroki,I Tserruya,A Malakhov, B K Schmoll, M Donadelli,M Tomasek,M Beaumier,Austin Basye,K F Read,J E Frantz,O Chvala, P Sett, R S Hayano,Z Fraenkel, J H Do,Minoru Kuribayashi Kurosawa,G J Kunde,Y Goto,C Vale, P Gallus,J G Lajoie,M D Malik,H Enyo, A Kral, M Hohlmann,I E Yushmanov,E M Takagui, N Feege, Taiki Hoshino,K Sedgwick,D Jouan,M Nguyen,Z You,D Kotov, M Towell,J T Mitchell,Honghua Ge,R Vertesi,M Heffner, Leena Patel,T Horaguchi,S Yokkaichi,D Roach,R A Soltz,L Dorazio,L A Linden Levy,K Homma,A Sickles, Yu Ikeda,C Nattrass,I J Choi,A V Kazantsev,M Issah,A K Purwar, A Oskarsson, A Milov,Daisuke Watanabe,D Ivanischev, V Papavassiliou,K Dehmelt,Niwako Saito,Y Berdnikov,Kazue Ozawa,K N Barish,A A Bickley,K Reygers,M Rosati,A D Frawley,H 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NUCLEAR PHYSICS A（2014）

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摘要

Two-pion interferometry measurements in d + Au and Au + Au collisions at root(NN)-N-S = 200 GeV are used to extract and compare the Gaussian source radii R-out, R-side and R-long, which characterize the space time extent of the emission sources. The comparisons, which are performed as a function of collision centrality and the mean transverse momentum for pion pairs, indicate strikingly similar patterns for the d + Au and Au + Au systems. They also indicate a linear dependence of Rside on the initial transverse geometric size (R) over bar, as well as a smaller freeze-out size for the d + Au system. These patterns point to the important role of final-state re-scattering effects in the reaction dynamics of d + Au collisions. (C) 2014 Elsevier B.V. All rights reserved.

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Relativistic Heavy Ion Collisions,Quark-gluon plasma

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