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Measurements of Elliptic and Triangular Flow in High-Multiplicity He-3 + Au Collisions at root s(NN)=200 GeV

Adare, A.; Afanasiev, S.; Aidala, C.; Ajitanand, N. N.; Akiba, Y.; Akimoto, R.; Al-Bataineh, H.; Alexander, J.; Alfred, M. and Al-Ta'ani, H., et al. (2015) In Physical Review Letters 115(14).
Abstract
We present the first measurement of elliptic (v(2)) and triangular (v(3)) flow in high-multiplicity He-3 + Au collisions at root s(NN) = 200 GeV. Two-particle correlations, where the particles have a large separation in pseudorapidity, are compared in He-3 + Au and in p + p collisions and indicate that collective effects dominate the second and third Fourier components for the correlations observed in the He-3 + Au system. The collective behavior is quantified in terms of elliptic v(2) and triangular v(3) anisotropy coefficients measured with respect to their corresponding event planes. The v(2) values are comparable to those previously measured in d + Au collisions at the same nucleon-nucleon center-of-mass energy. Comparisons with... (More)
We present the first measurement of elliptic (v(2)) and triangular (v(3)) flow in high-multiplicity He-3 + Au collisions at root s(NN) = 200 GeV. Two-particle correlations, where the particles have a large separation in pseudorapidity, are compared in He-3 + Au and in p + p collisions and indicate that collective effects dominate the second and third Fourier components for the correlations observed in the He-3 + Au system. The collective behavior is quantified in terms of elliptic v(2) and triangular v(3) anisotropy coefficients measured with respect to their corresponding event planes. The v(2) values are comparable to those previously measured in d + Au collisions at the same nucleon-nucleon center-of-mass energy. Comparisons with various theoretical predictions are made, including to models where the hot spots created by the impact of the three He-3 nucleons on the Au nucleus expand hydrodynamically to generate the triangular flow. The agreement of these models with data may indicate the formation of low-viscosity quark-gluon plasma even in these small collision systems. (Less)
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Physical Review Letters
volume
115
issue
14
publisher
American Physical Society
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  • wos:000361815100003
  • scopus:84944097125
ISSN
1079-7114
DOI
10.1103/PhysRevLett.115.142301
language
English
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yes
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92636222-8c0a-460c-bb41-0dd60b3d5fff (old id 8223887)
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2015-12-02 09:18:17
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@article{92636222-8c0a-460c-bb41-0dd60b3d5fff,
  abstract     = {We present the first measurement of elliptic (v(2)) and triangular (v(3)) flow in high-multiplicity He-3 + Au collisions at root s(NN) = 200 GeV. Two-particle correlations, where the particles have a large separation in pseudorapidity, are compared in He-3 + Au and in p + p collisions and indicate that collective effects dominate the second and third Fourier components for the correlations observed in the He-3 + Au system. The collective behavior is quantified in terms of elliptic v(2) and triangular v(3) anisotropy coefficients measured with respect to their corresponding event planes. The v(2) values are comparable to those previously measured in d + Au collisions at the same nucleon-nucleon center-of-mass energy. Comparisons with various theoretical predictions are made, including to models where the hot spots created by the impact of the three He-3 nucleons on the Au nucleus expand hydrodynamically to generate the triangular flow. The agreement of these models with data may indicate the formation of low-viscosity quark-gluon plasma even in these small collision systems.},
  articleno    = {142301},
  author       = {Adare, A. and Afanasiev, S. and Aidala, C. and Ajitanand, N. N. and Akiba, Y. and Akimoto, R. and Al-Bataineh, H. and Alexander, J. and Alfred, M. and Al-Ta'ani, H. and Andrews, K. R. and Angerami, A. and Aoki, K. and Apadula, N. and Aphecetche, L. and Appelt, E. and Aramaki, Y. and Armendariz, R. and Aronson, S. H. and Asai, J. and Asano, H. and Aschenauer, E. C. and Atomssa, E. T. and Averbeck, R. and Awes, T. C. and Azmoun, B. and Babintsev, V. and Bai, M. and Baksay, G. and Baksay, L. and Baldisseri, A. and Bandara, N. S. and Bannier, B. and Barish, K. N. and Barnes, P. D. and Bassalleck, B. and Basye, A. T. and Bathe, S. and Batsouli, S. and Baublis, V. and Baumann, C. and Bazilevsky, A. and Beaumier, M. and Beckman, S. and Belikov, S. and Belmont, R. and Ben-Benjamin, J. and Bennett, R. and Berdnikov, A. and Berdnikov, Y. and Bhom, J. H. and Bickley, A. A. and Blau, D. S. and Boissevain, J. G. and Bok, J. S. and Borel, H. and Boyle, K. and Brooks, M. L. and Broxmeyer, D. and Bryslawskyj, J. and Buesching, H. and Bumazhnov, V. and Bunce, G. and Butsyk, S. and Camacho, C. M. and Campbell, S. and Caringi, A. and Castera, P. and Chang, B. S. and Chang, W. C. and Charvet, J. -L. and Chen, C. -H. and Chernichenko, S. and Chi, C. Y. and Chiba, J. and Chiu, M. and Choi, I. J. and Choi, J. B. and Choudhury, R. K. and Christiansen, Peter and Chujo, T. and Chung, P. and Churyn, A. and Chvala, O. and Cianciolo, V. and Citron, Z. and Cleven, C. R. and Cole, B. A. and Comets, M. P. and del Valle, Z. Conesa and Connors, M. and Constantin, P. and Csanad, M. and Csoergo, T. and Dahms, T. and Dairaku, S. and Danchev, I. and Danley, D. and Das, K. and Datta, A. and Daugherity, M. S. and David, G. and Dayananda, M. K. and Deaton, M. B. and DeBlasio, K. and Dehmelt, K. and Delagrange, H. and Denisov, A. and d'Enterria, D. and Deshpande, A. and Desmond, E. J. and Dharmawardane, K. V. and Dietzsch, O. and Dion, A. and Diss, P. B. and Do, J. H. and Donadelli, M. and D'Orazio, L. and Drapier, O. and Drees, A. and Drees, K. A. and Dubey, A. K. and Durham, J. M. and Durum, A. and Dutta, D. and Dzhordzhadze, V. and Edwards, S. and Efremenko, Y. V. and Egdemir, J. and Ellinghaus, F. and Emam, W. S. and Engelmore, T. and Enokizono, A. and En'yo, H. and Esumi, S. and Eyser, K. O. and Fadem, B. and Feege, N. and Fields, D. E. and Finger, M. and Finger Jr., M. and Fleuret, F. and Fokin, S. L. and Fraenkel, Z. and Frantz, J. E. and Franz, A. and Frawley, A. D. and Fujiwara, K. and Fukao, Y. and Fusayasu, T. and Gadrat, S. and Gal, C. and Gallus, P. and Garg, P. and Garishvili, I. and Ge, H. and Giordano, F. and Glenn, A. and Gong, H. and Gong, X. and Gonin, M. and Gosset, J. and Goto, Y. and de Cassagnac, R. Granier and Grau, N. and Greene, S. V. and Grim, G. and Perdekamp, M. Grosse and Gu, Y. and Gunji, T. and Guo, L. and Gustafsson, Hans-Åke and Hachiya, T. and Henni, A. Hadj and Haegemann, C. and Haggerty, J. S. and Hahn, K. I. and Hamagaki, H. and Hamblen, J. and Hamilton, H. F. and Han, R. and Han, S. Y. and Hanks, J. and Harada, H. and Harper, C. and Hartouni, E. P. and Haruna, K. and Hasegawa, S. and Haseler, T. O. S. and Hashimoto, K. and Haslum, Eva and Hayano, R. and He, X. and Heffner, M. and Hemmick, T. K. and Hester, T. and Hiejima, H. and Hill, J. C. and Hobbs, R. and Hohlmann, M. and Hollis, R. S. and Holzmann, W. and Homma, K. and Hong, B. and Horaguchi, T. and Hori, Y. and Hornback, D. and Hoshino, T. and Hotvedt, N. and Huang, J. and Huang, S. and Ichihara, T. and Ichimiya, R. and Iinuma, H. and Ikeda, Y. and Imai, K. and Imrek, J. and Inaba, M. and Inoue, Y. and Iordanova, A. and Isenhower, D. and Isenhower, L. and Ishihara, M. and Isobe, T. and Issah, M. and Isupov, A. and Ivanishchev, D. and Iwanaga, Y. and Jacak, B. V. and Jezghani, M. and Jia, J. and Jiang, X. and Jin, J. and Jinnouchi, O. and John, D. and Johnson, B. M. and Jones, T. and Joo, K. S. and Jouan, D. and Jumper, D. S. and Kajihara, F. and Kametani, S. and Kamihara, N. and Kamin, J. and Kanda, S. and Kaneta, M. and Kaneti, S. and Kang, B. H. and Kang, J. H. and Kang, J. S. and Kanou, H. and Kapustinsky, J. and Karatsu, K. and Kasai, M. and Kawall, D. and Kawashima, M. and Kazantsev, A. V. and Kempel, T. and Key, J. A. and Khachatryan, V. and Khanzadeev, A. and Kijima, K. M. and Kikuchi, J. and Kim, A. and Kim, B. I. and Kim, C. and Kim, D. H. and Kim, D. J. and Kim, E. and Kim, E. -J. and Kim, G. W. and Kim, M. and Kim, S. H. and Kim, Y. -J. and Kim, Y. K. and Kimelman, B. and Kinney, E. and Kiriluk, K. and Kiss, A. and Kistenev, E. and Kitamura, R. and Kiyomichi, A. and Klatsky, J. and Klay, J. and Klein-Boesing, C. and Kleinjan, D. and Kline, P. and Koblesky, T. and Kochenda, L. and Kochetkov, V. and Komkov, B. and Konno, M. and Koster, J. and Kotchetkov, D. and Kotov, D. and Kozlov, A. and Kral, A. and Kravitz, A. and Kubart, J. and Kunde, G. J. and Kurihara, N. and Kurita, K. and Kurosawa, M. and Kweon, M. J. and Kwon, Y. and Kyle, G. S. and Lacey, R. and Lai, Y. S. and Lajoie, J. G. and Layton, D. and Lebedev, A. and Lee, D. M. and Lee, J. and Lee, K. B. and Lee, K. S. and Lee, M. K. and Lee, S. and Lee, S. H. and Lee, S. R. and Lee, T. and Leitch, M. J. and Leite, M. A. L. and Lenzi, B. and Li, X. and Lichtenwalner, P. and Liebing, P. and Lim, S. H. and Levy, L. A. Linden and Liska, T. and Litvinenko, A. and Liu, H. and Liu, M. X. and Love, B. and Lynch, D. and Maguire, C. F. and Makdisi, Y. I. and Makek, M. and Malakhov, A. and Malik, M. D. and Manion, A. and Manko, V. I. and Mannel, E. and Mao, Y. and Masek, L. and Masui, H. and Matathias, F. and McCumber, M. and McGaughey, P. L. and McGlinchey, D. and McKinney, C. and Means, N. and Meles, A. and Mendoza, M. and Meredith, B. and Miake, Y. and Mibe, T. and Mignerey, A. C. and Mikes, P. and Miki, K. and Miller, T. E. and Milov, A. and Mioduszewski, S. and Mishra, D. K. and Mishra, M. and Mitchell, J. T. and Mitrovski, M. and Miyachi, Y. and Miyasaka, S. and Mizuno, S. and Mohanty, A. K. and Montuenga, P. and Moon, H. J. and Moon, T. and Morino, Y. and Morreale, A. and Morrison, D. P. and Motschwiller, S. and Moukhanova, T. V. and Mukhopadhyay, D. and Murakami, T. and Murata, J. and Mwai, A. and Nagamiya, S. and Nagashima, K. and Nagata, Y. and Nagle, J. L. and Naglis, M. and Nagy, M. I. and Nakagawa, I. and Nakagomi, H. and Nakamiya, Y. and Nakamura, K. R. and Nakamura, T. and Nakano, K. and Nam, S. and Nattrass, C. and Netrakanti, P. K. and Newby, J. and Nguyen, M. and Nihashi, M. and Niida, T. and Nishimura, S. and Norman, B. E. and Nouicer, R. and Novak, T. and Novitzky, N. and Nyanin, A. S. and Oakley, C. and O'Brien, E. and Oda, S. X. and Ogilvie, C. A. and Ohnishi, H. and Oka, M. and Okada, K. and Omiwade, O. O. and Onuki, Y. and Koop, J. D. Orjuela and Osborn, J. D. and Oskarsson, Anders and Ouchida, M. and Ozawa, K. and Pak, R. and Pal, D. and Palounek, A. P. T. and Pantuev, V. and Papavassiliou, V. and Park, B. H. and Park, I. H. and Park, J. and Park, J. S. and Park, S. and Park, S. K. and Park, W. J. and Pate, S. F. and Patel, L. and Patel, M. and Pei, H. and Peng, J. -C. and Pereira, H. and Perepelitsa, D. V. and Perera, G. D. N. and Peresedov, V. and Peressounko, D. Yu. and Perry, J. and Petti, R. and Pinkenburg, C. and Pinson, R. and Pisani, R. P. and Proissl, M. and Purschke, M. L. and Purwar, A. K. and Qu, H. and Rak, J. and Rakotozafindrabe, A. and Ramson, B. J. and Ravinovich, I. and Read, K. F. and Rembeczki, S. and Reuter, M. and Reygers, K. and Reynolds, D. and Riabov, V. and Riabov, Y. and Richardson, E. and Rinn, T. and Roach, D. and Roche, G. and Rolnick, S. D. and Romana, A. and Rosati, M. and Rosen, C. A. and Rosendahl, Sarah and Rosnet, P. and Rowan, Z. and Rubin, J. G. and Rukoyatkin, P. and Ruzicka, P. and Rykov, V. L. and Sahlmueller, B. and Saito, N. and Sakaguchi, T. and Sakai, S. and Sakashita, K. and Sakata, H. and Sako, H. and Samsonov, V. and Sano, S. and Sarsour, M. and Sato, S. and Sato, T. and Savastio, M. and Sawada, S. and Schaefer, B. and Schmoll, B. K. and Sedgwick, K. and Seele, J. and Seidl, R. and Semenov, A. Yu. and Semenov, V. and Sen, A. and Seto, R. and Sett, P. and Sexton, A. and Sharma, D. and Shein, I. and Shevel, A. and Shibata, T. -A. and Shigaki, K. and Shim, H. H. and Shimomura, M. and Shoji, K. and Shukla, P. and Sickles, A. and Silva, C. L. and Silvermyr, David and Silvestre, C. and Sim, K. S. and Singh, B. K. and Singh, C. P. and Singh, V. and Skutnik, S. and Slunecka, M. and Snowball, M. and Sodre, T. and Soldatov, A. and Soltz, R. A. and Sondheim, W. E. and Sorensen, S. P. and Sourikova, I. V. and Staley, F. and Stankus, P. W. and Stenlund, Evert and Stepanov, M. and Ster, A. and Stoll, S. P. and Sugitate, T. and Suire, C. and Sukhanov, A. and Sumita, T. and Sun, J. and Sziklai, J. and Tabaru, T. and Takagi, S. and Takagui, E. M. and Takahara, A. and Taketani, A. and Tanabe, R. and Tanaka, Y. and Taneja, S. and Tanida, K. and Tannenbaum, M. J. and Tarafdar, S. and Taranenko, A. and Tarjan, P. and Tennant, E. and Themann, H. and Thomas, D. and Thomas, T. L. and Tieulent, R. and Timilsina, A. and Todoroki, T. and Togawa, M. and Toia, A. and Tojo, J. and Tomasek, L. and Tomasek, M. and Tomita, Y. and Torii, H. and Towell, C. L. and Towell, R. and Towell, R. S. and Tram, V-N. and Tserruya, I. and Tsuchimoto, Y. and Utsunomiya, K. and Vale, C. and Valle, H. and van Hecke, H. W. and Vazquez-Zambrano, E. and Veicht, A. and Velkovska, J. and Vertesi, R. and Vinogradov, A. A. and Virius, M. and Vossen, A. and Vrba, V. and Vznuzdaev, E. and Wagner, M. and Walker, D. and Wang, X. R. and Watanabe, D. and Watanabe, K. and Watanabe, Y. and Watanabe, Y. S. and Wei, F. and Wei, R. and Wessels, J. and White, A. S. and White, S. N. and Winter, D. and Woody, C. L. and Wright, R. M. and Wysocki, M. and Xia, B. and Xie, W. and Xue, L. and Yalcin, S. and Yamaguchi, Y. L. and Yamaura, K. and Yang, R. and Yanovich, A. and Yasin, Z. and Ying, J. and Yokkaichi, S. and Yoo, J. H. and Yoo, J. S. and Yoon, I. and You, Z. and Young, G. R. and Younus, I. and Yu, H. and Yushmanov, I. E. and Zajc, W. A. and Zaudtke, O. and Zelenski, A. and Zhang, C. and Zhou, S. and Zimamyi, J. and Zolin, L. and Zou, L.},
  issn         = {1079-7114},
  language     = {eng},
  number       = {14},
  publisher    = {American Physical Society},
  series       = {Physical Review Letters},
  title        = {Measurements of Elliptic and Triangular Flow in High-Multiplicity He-3 + Au Collisions at root s(NN)=200 GeV},
  url          = {http://dx.doi.org/10.1103/PhysRevLett.115.142301},
  volume       = {115},
  year         = {2015},
}