{"paper":{"title":"Observation of direct-photon collective flow in sqrt(s_NN)=200 GeV Au+Au collisions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A.A. Bickley, A. Adare, A.A. Vinogradov, A. Bazilevsky, A. Berdnikov, A.C. Mignerey, A. Datta, A. Denisov, A. Deshpande, A.D. Frawley, A. Dion, A. Drees, A. Durum, A. Enokizono, A. Franz, A. Glenn, A. Isupov, A. Khanzadeev, \\'A. Kiss, A.K. Mohanty, A. Kozlov, A.K. Purwar, A. Kr\\'al, A. Kravitz, A. Lebedev, A. Litvinenko, A. Malakhov, A. Milov, A. Morreale, A. Oskarsson, A. Rakotozafindrabe, A. Sickles, A.S. Nyanin, A. Sukhanov, A. Taketani, A. Taranenko, A.T. Basye, A. Toia, A. Veicht, A.V. Kazantsev, A. Yanovich, A.Yu. Semenov, B.A. Cole, B. Azmoun, B. Bassalleck, B. Fadem, B. Hong, B.I. Kim, B. Komkov, B.K. Singh, B. Lenzi, B. Love, B. Meredith, B.M. Johnson, B. Sahlmueller, B.V. Jacak, C. Aidala, C.A. Ogilvie, C.A. Rosen, C. Baumann, C.F. Maguire, C.-H. Chen, C.L. Silva, C.L. Woody, C.M. Camacho, C. Pinkenburg, C.P. Singh, C. Silvestre, C. Vale, C.Y. Chi, C. Zhang, D. Dutta, D.E. Fields, D.H. Kim, D. Hornback, D. Isenhower, D. Ivanischev, D.J. Kim, D. Jouan, D. Kawall, D. Kotchetkov, D. Lynch, D.M. Lee, D.P. Morrison, D. Roach, D. Sharma, D. Silvermyr, D.S. Jumper, D. Watanabe, D. Winter, D.Yu. Peressounko, E. Haslum, E.J. Desmond, E.J. Kim, E. Kim, E. Kinney, E. Kistenev, E. Leitner, E. Mannel, E.M. Takagui, E. O'Brien, E.P. Hartouni, E. Richardson, E. Stenlund, E.T. Atomssa, E. Vazquez-Zambrano, E. Vznuzdaev, F. Ellinghaus, F. Fleuret, F. Kajihara, F. Matathias, F. Wei, G. Baksay, G. Bunce, G. David, G.J. Kunde, G. Roche, G.R. Young, G.S. Kyle, H.-{\\AA}. Gustafsson, H. Al-Bataineh, H. Buesching, H. En'yo, H. Gong, H. Hamagaki, H. Liu, H. Masui, H. Pei, H. Pereira, H. Qu, H. Themann, H. Torii, H. Valle, H.W. van Hecke, I. Danchev, I.E. Yushmanov, I. Garishvili, I.H. Park, I.J. Choi, I. Nakagawa, I. Ravinovich, I. Shein, I. Tserruya, I.V. Sourikova, I. Younus, J. Alexander, J.C. Hill, J.-C. Peng, J.E. Frantz, J.G. Lajoie, J. Hamblen, J. Hanks, J.H. Kang, J. Ide, J. Jia, J. Jin, J. Kamin, J. Kapustinsky, J. Koster, J. Lee, J.L. Nagle, J.M. Durham, J. Murata, J. Newby, J. Park, J.P. Wood, J. Rak, J.S. Bok, J. Seele, J.S. Haggerty, J. Sziklai, J.T. Mitchell, J. Velkovska, J. Wessels, J. Ying, K.A. Drees, K. Aoki, K.B. Lee, K. Boyle, K. Das, K.F. Read, K. Fujiwara, K. Homma, K.I. Hahn, K. Imai, K. Karatsu, K. Kiriluk, K. Kurita, K. Lee, K. Miki, K.M. Kijima, K. Nakano, K.N. Barish, K. Okada, K. Ozawa, K. Reygers, K. Sakashita, K. Sedgwick, K. Shigaki, K. Shoji, K.S. Joo, K.S. Lee, K.S. Sim, K. Tanida, K. Watanabe, K. Yamaura, L.A. Linden Levy, L. Baksay, L. Kochenda, L. Tom\\'a\\v{s}ek, L. Zolin, M.A.L. Leite, M. Bai, M. Chiu, M. Connors, M. Csan\\'ad, M.D. Malik, M. Donadelli, M. Finger, M. Finger Jr., M. Gonin, M. Grosse Perdekamp, M. Heffner, M. Hohlmann, M. Inaba, M.I. Nagy, M. Ishihara, M. Issah, M.J. Leitch, M.J. Tannenbaum, M. Kawashima, M. Konno, M. Kurosawa, M.L. Brooks, M.L. Purschke, M. McCumber, M. Mishra, M. Naglis, M. Nguyen, M. Oka, M. Ouchida, M. Proissl, M. Rosati, M. Shimomura, M. Slune\\v{c}ka, M. Togawa, M. Virius, M. Wysocki, M.X. Liu, N.A. Sparks, N. Grau, N. Kamihara, N. Means, N.N. Ajitanand, N. Saito, O. Chvala, O. Dietzsch, O. Drapier, P. Christiansen, P. Chung, P. Constantin, P. Liebing, P.L. McGaughey, P. Mike\\v{s}, P. Rosnet, P. Rukoyatkin, P. Ru\\v{z}i\\v{c}ka, P. Shukla, P. Tarj\\'an, P.W. Stankus, R.A. Soltz, R. Averbeck, R. Belmont, R. Bennett, R. Granier de Cassagnac, R. Han, R. Hayano, R. Ichimiya, R.K. Choudhury, R. Lacey, R. Luechtenborg, R.M. Wright, R. Nouicer, R. Pak, R.P. Pisani, R. Seidl, R. Seto, R.S. Towell, R. Tanabe, R. V\\'ertesi, R. Wei, R. Yang, S. Afanasiev, S. Bathe, S. Belikov, S. Butsyk, S. Campbell, S. Dairaku, S.D. Rolnick, S. Edwards, S. Esumi, S.F. Pate, S.H. Kim, S. Huang, S. Kametani, S.K. Park, S.L. Fokin, S. Nagamiya, S.N. White, S.P. Sorensen, S.P. Stoll, S. Sano, S. Sawada, S.S.E. Rosendahl, S. Tarafdar, S.V. Greene, S.X. Oda, S. Yokkaichi, S. Zhou, T.-A. Shibata, T.C. Awes, T. Chujo, T. Cs\\\"org\\H{o}, T. Dahms, T. Engelmore, T. Fusayasu, T. Gunji, T. Hester, T. Horaguchi, T. Ichihara, T. Isobe, T. Kempel, T.K. Hemmick, T. Li\\v{s}ka, T.L. Thomas, T. Nakamura, T. Sakaguchi, T. Sato, T. Sugitate, T.V. Moukhanova, V. Babintsev, V. Baublis, V. Bumazhnov, V. Cianciolo, V.I. Manko, V. Pantuev, V. Papavassiliou, V. Peresedov, V. Riabov, V. Samsonov, V. Singh, V. Vrba, W.A. Zajc, W.E. Sondheim, W. Holzmann, W.J. Park, W. Xie, X. He, X. Li, X.R. Wang, Y. Akiba, Y. Aramaki, Y. Berdnikov, Y. Fukao, Y. Goto, Y. Ikeda, Y.I. Makdisi, Y.J. Kim, Y. Kwon, Y.L. Yamaguchi, Y. Mao, Y. Miake, Y. Morino, Y. Nakamiya, Y. Onuki, Y. Riabov, Y.S. Lai, Y. Tanaka, Y. Tsuchimoto, Y.V. Efremenko, Y. Watanabe, Z. Citron, Z. Fraenkel, Z. You","submitted_at":"2011-05-20T16:33:43Z","abstract_excerpt":"The second Fourier component v_2 of the azimuthal anisotropy with respect to the reaction plane was measured for direct photons at midrapidity and transverse momentum (p_T) of 1--13 GeV/c in Au+Au collisions at sqr(s_NN)=200 GeV. Previous measurements of this quantity for hadrons with p_T < 6 GeV/c indicate that the medium behaves like a nearly perfect fluid, while for p_T > 6 GeV/c a reduced anisotropy is interpreted in terms of a path-length dependence for parton energy loss. In this measurement with the PHENIX detector at the Relativistic Heavy Ion Collider we find that for p_T > 4 GeV/c th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.4126","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}