Measurements of directed, elliptic, and triangular flow in Cu plus Au collisions at root sNN=200 GeV

A Adare, C Aidala, NN Ajitanand, Y Akiba, R Akimoto, J Alexander, M Alfred, K Aoki, N Apadula, H Asano, ET Atomssa, TC Awes, B Azmoun, V Babintsev, M Bai, X Bai, NS Bandara, B Bannier, KN Barish, S BatheV Baublis, C Baumann, S Baumgart, A Bazilevsky, M Beaumier, S Beckman, R Belmont, A Berdnikov, Y Berdnikov, D Black, DS Blau, JS Bok, K Boyle, ML Brooks, J Bryslawskyj, H Buesching, V Bumazhnov, S Butsyk, S Campbell, CH Chen, CY Chi, M Chiu, IJ Choi, JB Choi, S Choi, P Christiansen, T Chujo, V Cianciolo, Zvi Hirsh Citron, BA Cole, N Cronin, N Crossette, M Csanad, T Csorgo, TW Danley, A Datta, MS Daugherity, G David, K DeBlasio, K Dehmelt, A Denisov, A Deshpande, EJ Desmond, L Ding, A Dion, PB Diss, JH Do, L D'Orazio, O Drapier, A Drees, KA Drees, JM Durham, A Durum, T Engelmore, A Enokizono, S Esumi, KO Eyser, B Fadem, N Feege, DE Fields, M Finger, F Fleuret, SL Fokin, JE Frantz, A Franz, AD Frawley, Y Fukao, T Fusayasu, K Gainey, C Gal, P Gallus, P Garg, A Garishvili, I Garishvili, H Ge, F Giordano, A Glenn, X Gong, M Gonin, Y Goto, Cassagnac, RG de Cassagnac, N Grau, SV Greene, MG Perdekamp, Y Gu, T Gunji, H Guragain, T Hachiya, JS Haggerty, KI Hahn, H Hamagaki, HF Hamilton, SY Han, J Hanks, S Hasegawa, TOS Haseler, K Hashimoto, R Hayano, X He, TK Hemmick, T Hester, JC Hill, RS Hollis, K Homma, B Hong, T Hoshino, N Hotvedt, J Huang, Song - Jeng Huang, T Ichihara, Y Ikeda, K Imai, Y Imazu, M Inaba, A Iordanova, D Isenhower, A Isinhue, D Ivanishchev, BV Jacak, SJ Jeon, M Jezghani, J Jia, X Jiang, BM Johnson, KS Joo, D Jouan, DS Jumper, J Kamin, S Kanda, BH Kang, JH Kang, JS Kang, J Kapustinsky, D Kawall, AV Kazantsev, JA Key, V Khachatryan, PK Khandai, A Khanzadeev, KM Kijima, C Kim, DJ Kim, EJ Kim, GW Kim, M Kim, YJ Kim, YK Kim, B Kimelman, E Kistenev, R Kitamura, J Klatsky, D Kleinjan, P Kline, T Koblesky, M Kofarago, B Komkov, J Koster, D Kotchetkov, D Kotov, F Krizek, K Kurita, M Kurosawa, Y Kwon, R Lacey, YS Lai, JG Lajoie, A Lebedev, DM Lee, GH Lee, Jiwoong Lee, KB Lee, KS Lee, Seung Joon Lee, SH Lee, MJ Leitch, M Leitgab, B Lewis, X Li, SH Lim, MX Liu, D Lynch, CF Maguire, YI Makdisi, Mihael Makek, A Manion, VI Manko, E Mannel, T Maruyama, M McCumber, PL McGaughey, D McGlinchey, C McKinney, A Meles, M Mendoza, B Meredith, Y Miake, T Mibe, AC Mignerey, Alexander Milov, DK Mishra, JT Mitchell, S Miyasaka, S Mizuno, AK Mohanty, S Mohapatra, P Montuenga, T Moon, DP Morrison, M Moskowitz, TV Moukhanova, T Murakami, J Murata, A Mwai, T Nagae, S Nagamiya, K Nagashima, JL Nagle, MI Nagy, I Nakagawa, H Nakagomi, Y Nakamiya, KR Nakamura, T Nakamura, K Nakano, C Nattrass, PK Netrakanti, M Nihashi, Itzhak Tserruya

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Abstract

Measurements of anisotropic flow Fourier coefficients (upsilon(n)) for inclusive charged particles and identified hadrons pi(+/-), K-+/-, p, and (p) over bar produced at midrapidity in Cu + Au collisions at root s(NN) = 200 GeV are presented. The data were collected in 2012 by the PHENIX experiment at the Relativistic Heavy-Ion Collider (RHIC). The particle azimuthal distributions with respect to different-order symmetry planes psi(n), for n = 1, 2, and 3 are studied as a function of transverse momentum p(T) over a broad range of collision centralities. Mass ordering, as expected from hydrodynamic flow, is observed for all three harmonics. The charged-particle results are compared with hydrodynamical and transport model calculations. We also compare these Cu + Au results with those in Cu + Cu and Au + Au collisions at the same root s(NN) and find that the upsilon(2) and upsilon(3), as a function of transverse momentum, follow a common scaling with 1/(epsilon N-n(part)1/3).
Original languageEnglish
Article number054910
Number of pages25
JournalPhysical Review C
Volume94
Issue number5
DOIs
StatePublished - Nov 2016

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