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Measurement of long-range angular correlations and azimuthal anisotropies in high-multiplicity p+Au collisions at s NN =200 GeV

Aidala, C.; Akiba, Y.; Alfred, M.; Andrieux, V.; Aoki, K.; Apadula, N; Asano, H.; Ayuso, Carmen; Azmoun, B. and Babintsev, V., et al. (2017) In Physical Review C: covering nuclear physics 95(3).
Abstract

We present measurements of long-range angular correlations and the transverse momentum dependence of elliptic flow v2 in high-multiplicity p+Au collisions at sNN=200 GeV. A comparison of these results to previous measurements in high-multiplicity d+Au and He3+Au collisions demonstrates a relation between v2 and the initial collision eccentricity 2, suggesting that the observed momentum-space azimuthal anisotropies in these small systems have a collective origin and reflect the initial geometry. Good agreement is observed between the measured v2 and hydrodynamic calculations for all systems, and an argument disfavoring theoretical explanations based on initial momentum-space domain correlations is presented. The set of measurements... (More)

We present measurements of long-range angular correlations and the transverse momentum dependence of elliptic flow v2 in high-multiplicity p+Au collisions at sNN=200 GeV. A comparison of these results to previous measurements in high-multiplicity d+Au and He3+Au collisions demonstrates a relation between v2 and the initial collision eccentricity 2, suggesting that the observed momentum-space azimuthal anisotropies in these small systems have a collective origin and reflect the initial geometry. Good agreement is observed between the measured v2 and hydrodynamic calculations for all systems, and an argument disfavoring theoretical explanations based on initial momentum-space domain correlations is presented. The set of measurements presented here allows us to leverage the distinct intrinsic geometry of each of these systems to distinguish between different theoretical descriptions of the long-range correlations observed in small collision systems.

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Physical Review C: covering nuclear physics
volume
95
issue
3
publisher
American Physical Society
external identifiers
  • scopus:85016515829
  • wos:000399246900001
ISSN
2469-9985
DOI
10.1103/PhysRevC.95.034910
language
English
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yes
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672c9a8b-41f8-47e9-b292-72509c8d4c4b
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2017-06-13 13:03:25
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2017-09-18 11:40:28
@article{672c9a8b-41f8-47e9-b292-72509c8d4c4b,
  abstract     = {<p>We present measurements of long-range angular correlations and the transverse momentum dependence of elliptic flow v2 in high-multiplicity p+Au collisions at sNN=200 GeV. A comparison of these results to previous measurements in high-multiplicity d+Au and He3+Au collisions demonstrates a relation between v2 and the initial collision eccentricity 2, suggesting that the observed momentum-space azimuthal anisotropies in these small systems have a collective origin and reflect the initial geometry. Good agreement is observed between the measured v2 and hydrodynamic calculations for all systems, and an argument disfavoring theoretical explanations based on initial momentum-space domain correlations is presented. The set of measurements presented here allows us to leverage the distinct intrinsic geometry of each of these systems to distinguish between different theoretical descriptions of the long-range correlations observed in small collision systems.</p>},
  articleno    = {034910},
  author       = {Aidala, C. and Akiba, Y. and Alfred, M. and Andrieux, V. and Aoki, K. and Apadula, N and Asano, H. and Ayuso, Carmen and Azmoun, B. and Babintsev, V. and Bandara, N. S. and Barish, K N and Bathe, S and Bazilevsky, A and Beaumier, M. and Belmont, R and Berdnikov, A and Berdnikov, Y. and Blau, D. S. and Boer, M. and Bok, J S and Brooks, M L and Bryslawskyj, J. and Bumazhnov, V. and Butler, Christopher C. and Campbell, S. and Canoa Roman, V. and Cervantes, R. and Chi, C Y and Chiu, M and Choi, I J and Choi, J B and Citron, Z. and Connors, M. and Cronin, N. and Csanád, M and Csörgo, T. and Danley, T. W. and Daugherity, M. S. and David, G. and DeBlasio, K. and Dehmelt, K. and Denisov, A. and Deshpande, A and Desmond, E. J. and Dion, A. and Dixit, D. and Do, J. H. and Drees, A. and Drees, K. A. and Dumancic, M. and Durham, J. M. and Durum, A. and Elder, T. and Enokizono, A. and En'yo, H. and Esumi, S. and Fadem, B and Fan, W. -T. and Feege, N. and Fields, D E and Finger, M and Finger, M and Fokin, S. L. and Frantz, J E and Franz, A. and Frawley, A D and Fukuda, Yuki and Gal, C and Gallus, P and Garg, P. and Ge, H. and Giordano, F and Goto, Y. and Grau, N. and Greene, S V and Grosse Perdekamp, M. and Gunji, T and Guragain, H. and Hachiya, T. and Haggerty, J. S. and Hahn, K I and Hamagaki, H and Hamilton, H. F. and Han, S. Y. and Hanks, J. and Hasegawa, S and Haseler, T. O. S. and He, X. and Hemmick, T. K. and Hill, J C and Hill, K and Hollis, R. S. and Homma, K and Hong, B. and Hoshino, T. and Hotvedt, N. and Huang, J. and Huang, S. and Imai, K. and Imrek, J. and Inaba, M. and Iordanova, A. and Isenhower, D. and Ito, Y and Ivanishchev, D. and Jacak, B. V. and Jezghani, M. and Ji, Zhenyu and Jiang, X. and Johnson, B. M. and Jorjadze, V. and Jouan, D. and Jumper, D S and Kang, J. H. and Kapukchyan, D. and Karthas, S. and Kawall, D and Kazantsev, A. V. and Khachatryan, V. and Khanzadeev, A. and Kim, C. and Kim, D. J. and Kim, E. -J. and Kim, M. H. and Kim, M. and Kincses, D. and Kistenev, E. and Klatsky, J. and Kline, P and Koblesky, T. and Kotov, D and Kudo, S. and Kurita, K and Kwon, Y. and Lajoie, J G and Lallow, E. O. and Lebedev, A. and Lee, S. and Leitch, M J and Leung, Y H and Lewis, N. A. and Li, X. and Lim, S. H. and Liu, L. D. and Liu, M. X. and Loggins, V. R. and Loggins, V. R. and Lovasz, K. and Lynch, D. and Majoros, T. and Makdisi, Y. I. and Makek, M. and Malaev, M. and Manko, V. I. and Mannel, E. and Masuda, H. and McCumber, M and McGaughey, P L and McGlinchey, D. and McKinney, C. and Mendoza, M. and Mignerey, A C and Mihalik, D. E. and Milov, A and Mishra, D. K. and Mitchell, J. T. and Mitsuka, G. and Miyasaka, S. and Mizuno, S. and Montuenga, P. and Moon, T. and Morrison, D. P. and Morrow, S. I.M. and Murakami, T and Murata, J. and Nagai, K. and Nagashima, K. and Nagashima, T. and Nagle, J L and Nagy, M I and Nakagawa, I and Nakagomi, H. and Nakano, K and Nattrass, C and Niida, T and Nouicer, R. and Novák, T. and Novitzky, N. and Novotny, R and Nyanin, A. S. and O'Brien, E. and Ogilvie, C A and Orjuela Koop, J. D. and Osborn, J. D. and Oskarsson, A. and Ottino, G. J. and Ozawa, K. and Pantuev, V. and Papavassiliou, V. and Park, J. S. and Park, S. and Pate, S F and Patel, M. and Peng, W. X and Perepelitsa, D. V. and Perera, G. D. N. and Peressounko, D. Yu. and Perezlara, C. E. and Perry, J. and Petti, R. and Phipps, M. and Pinkenburg, C. and Pisani, R. P. and Pun, A. and Purschke, M. L. and Read, K F and Reynolds, D. and Riabov, V. and Riabov, Y and Richford, D. and Rinn, T. and Rolnick, S D and Rosati, M and Rowan, Z. and Runchey, J. and Safonov, A. S. and Sakaguchi, T. and Sako, H. and Samsonov, V. and Sarsour, M. and Sato, K. and Sato, S and Schaefer, B. and Schmoll, B. K. and Sedgwick, K and Seidl, R and Sen, A. and Seto, R and Sexton, A. and Sharma, D. and Shein, I. and Shibata, T. A. and Shigaki, K. and Shimomura, M and Shioya, T. and Shukla, P. and Sickles, A. and Silva, C L and Silvermyr, D. and Singh, B. K. and Singh, C P and Singh, V. and Slunečka, M and Smith, K. L. and Snowball, M. and Soltz, R A and Sondheim, W E and Sorensen, S. P. and Sourikova, I. V. and Stankus, P W and Stoll, S. P. and Sugitate, T and Sukhanov, A. and Sumita, T. and Sun, J. and Syed Khaja, A S and Sziklai, J and Takeda, A. and Tanida, K. and Tannenbaum, M. J. and Tarafdar, S and Tarnai, G. and Tieulent, R and Timilsina, A. and Todoroki, T and Tomášek, M and Towell, C. L. and Towell, R S and Tserruya, I and Ueda, Y and Ujvari, B. and van Hecke, H W and Vazquez-Carson, S. and Velkovska, J. and Virius, M and Vrba, V and Vukman, N. and Wang, X. R. and Wang, Z. and Watanabe, Y and Watanabe, Y. S. and Wong, C. P. and Woody, C. L. and Xu, C. and Xu, Q and Xue, L. and Yalcin, S. and Yamaguchi, Y. L. and Yamamoto, H and Yanovich, A. and Yin, Peiji and Yoo, J. H. and Yoon, I. and Yu, H. and Yushmanov, I. E. and Zajc, W A and Zelenski, A and Zharko, S. and Zou, L. and , },
  issn         = {2469-9985},
  language     = {eng},
  month        = {03},
  number       = {3},
  publisher    = {American Physical Society},
  series       = {	Physical Review C: covering nuclear physics},
  title        = {Measurement of long-range angular correlations and azimuthal anisotropies in high-multiplicity p+Au collisions at s NN =200 GeV},
  url          = {http://dx.doi.org/10.1103/PhysRevC.95.034910},
  volume       = {95},
  year         = {2017},
}