Source Breakup Dynamics In Au+Au Collisions At Root S(Nn)=200 Gev Via Three-Dimensional Two-Pion Source Imaging

S. Afanasiev, C. Aidala,N. N. Ajitanand,Y. Akiba,J. Alexander,A. Al-Jamel,K. Aoki,L. Aphecetche,R. Armendariz,S. H. Aronson, R. Averbeck, T. C. Awes,B. Azmoun,V. Babintsev, A. Baldisseri,K. N. Barish,P. D. Barnes,B. Bassalleck,S. Bathe,S. Batsouli,V. Baublis,F. Bauer,A. Bazilevsky,S. Belikov,R. Bennett,Y. Berdnikov,M. T. Bjorndal,J. G. Boissevain,H. Borel,K. Boyle,M. L. Brooks, D. S. Brown,D. Bucher,H. Buesching,V. Bumazhnov,G. Bunce,J. M. Burward-Hoy,S. Butsyk,S. Campbell,J.-S. Chai,S. Chernichenko,J. Chiba,C. Y. Chi,M. Chiu,I. J. Choi, T. Chujo,P. Chung,V. Cianciolo,C. R. Cleven,Y. Cobigo,B. A. Cole,M. P. Comets,P. Constantin,M. Csanad, T. Dahms,G. David,H. Delagrange,A. Denisov,D. d'Enterria,A. Deshpande,E. J. Desmond,O. Dietzsch,A. Dion,J. L. Drachenberg,O. Drapier,A. Drees,A. K. Dubey,A. Durum,V. Dzhordzhadze,Y. V. Efremenko,J. Egdemir,A. Enokizono,J. Egdemir,A. Enokizono,H. En’yo,B. Espagnon, S. Esumi,D. Fields,F. Fleuret,S. Fokin,B. Forestier, Z. Fraenkel,J. Frantz,A. Franz,A. Frawley,Y. Fukao,S.-Y. Fung,S. Gadrat,F. Gastineau,M. Germain,A. Glenn, M. Gonin,J. Gosset,Y. Goto,R. Granier de Cassagnac, N. Grau,S. Greene,M. Grosse Perdekamp,T. Gunji,H.-Å. Gustafsson,T. Hachiya,A. Henni,J. Haggerty,M. Hagiwara, H. Hamagaki,H. Harada,E. Hartouni,K. Haruna,M. Harvey,E. Haslum,K. Hasuko,R. Hayano,M. Heffner,T. Hemmick,J. Heuser,X. He,H. Hiejima,J. Hill,R. Hobbs,M. Holmes,W. Holzmann,K. Homma,B. Hong,T. Horaguchi,M. Hur,T. Ichihara,K. Imai,M. Inaba,D. Isenhower,L. Isenhower,M. Ishihara,T. Isobe,M. Issah,A. Isupov,B. Jacak, J. Jia,J. Jin, O. Jinnouchi,B. Johnson,K. Joo,D. Jouan,F. Kajihara,S. Kametani,N. Kamihara,M. Kaneta,J. Kang,T. Kawagishi,A. Kazantsev,S. Kelly,A. Khanzadeev,D. Kim,E. Kim,Y.-S. Kim, E. Kinney,A. Kiss,E. Kistenev,A. Kiyomichi,C. Klein-Boesing,L. Kochenda,V. Kochetkov,B. Komkov,M. Konno,D. Kotchetkov, A. Kozlov,P. Kroon,G. Kunde,N. Kurihara,K. Kurita,M. Kweon,Y. Kwon,G. Kyle,R. Lacey,J. Lajoie, A. Lebedev,Y. Le Bornec,S. Leckey,D. Lee,M. Lee,M. Leitch,M. Leite,H. Lim,A. Litvinenko,M. Liu,X. Li, C. Maguire,Y. Makdisi,A. Malakhov,M. Malik,V. Manko,H. Masui,F. Matathias,M. McCain,P. McGaughey, Y. Miake,T. Miller, A. Milov,S. Mioduszewski,G. Mishra,J. Mitchell,D. Morrison,J. Moss,T. Moukhanova,D. Mukhopadhyay,J. Murata,S. Nagamiya, Y. Nagata,J. Nagle,M. Naglis,T. Nakamura,J. Newby,M. Nguyen,B. Norman,A. Nyanin, J. Nystrand,E. O’Brien,C. Ogilvie,H. Ohnishi,I. Ojha,H. Okada, K. Okada,O. Omiwade, A. Oskarsson,I. Otterlund,K. Ozawa,D. Pal,A. Palounek,V. Pantuev, V. Papavassiliou,J. Park, W. Park,S. Pate,H. Pei,J.-C. Peng,H. Pereira,V. Peresedov,D. Peressounko,C. Pinkenburg,R. Pisani,M. Purschke, A. Purwar,H. Qu,J. Rak,I. Ravinovich,K. Read,M. Reuter,K. Reygers,V. Riabov,Y. Riabov, G. Roche,A. Romana,M. Rosati, S. Rosendahl, P. Rosnet,P. Rukoyatkin,V. Rykov,S. Ryu,B. Sahlmueller,N. Saito,T. Sakaguchi,S. Sakai,V. Samsonov,H. Sato,S. Sato,S. Sawada,V. Semenov, R. Seto,D. Sharma,T. Shea,I. Shein,T.-A. Shibata,K. Shigaki,M. Shimomura,T. Shohjoh,K. Shoji,A. Sickles,C. Silva, D. Silvermyr,K. Sim,C. Singh,V. Singh,S. Skutnik,W. Smith,A. Soldatov,R. Soltz,W. Sondheim,S. Sorensen,I. Sourikova,F. Staley,P. Stankus, E. Stenlund,M. Stepanov,A. Ster,S. Stoll, T. Sugitate, C. Suire,J. Sullivan,J. Sziklai,T. Tabaru,S. Takagi,E. Takagui,A. Taketani, K. Tanaka,Y. Tanaka,K. Tanida,M. Tannenbaum,A. Taranenko,P. Tarján, T. Thomas,M. Togawa, J. Tojo,H. Torii,R. Towell,V. N. Tram,I. Tserruya,Y. Tsuchimoto,S. Tuli,H. Tydesjö, N. Tyurin,C. Vale,H. Valle,H. van Hecke, J. Velkovska,R. Vertesi, A. Vinogradov,E. Vznuzdaev,M. Wagner,X. Wang,Y. Watanabe,J. Wessels,S. White,N. Willis,D. Winter,C. Woody,M. Wysocki, W. Xie,A. Yanovich,S. Yokkaichi,G. Young,I. Younus,I. Yushmanov,W. Zajc,O. Zaudtke,C. Zhang,J. Zimányi,L. Zolin

PHYSICAL REVIEW LETTERS（2008）

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摘要

A three-dimensional correlation function obtained from midrapidity, low p(T), pion pairs in central Au+Au collisions at root s(NN) = 200 GeV is studied. The extracted model-independent source function indicates a long range tail in the directions of the pion pair transverse momentum (out) and the beam (long). A proper breakup time tau(0) similar to 9 fm/c and a mean proper emission duration Delta tau similar to 2 fm/c, leading to sizable emission time differences ( approximate to 12 fm/c), are required to allow models to be successfully matched to these tails. The model comparisons also suggest an outside-in "burning" of the emission source reminiscent of many hydrodynamical models.

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