Azimuthal-Angle Dependence Of Charged-Pion-Interferometry Measurements With Respect To Second- And Third-Order Event Planes In Au Plus Au Collisions At Root S-Nn=200 Gev

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

PHYSICAL REVIEW LETTERS(2014)

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摘要
Charged-pion-interferometry measurements were made with respect to the second-and third-order event plane for Au + Au collisions at root S-NN = 200 GeV. A strong azimuthal-angle dependence of the extracted Gaussian-source radii was observed with respect to both the second-and third-order event planes. The results for the second-order dependence indicate that the initial eccentricity is reduced during the medium evolution, which is consistent with previous results. In contrast, the results for the third-order dependence indicate that the initial triangular shape is significantly reduced and potentially reversed by the end of the medium evolution, and that the third-order oscillations are largely dominated by the dynamical effects from triangular flow.
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