Centrality dependence of identified particle elliptic flow in relativistic heavy ion collisions atsNN=7.762.4GeV Academic Article uri icon

abstract

  • 2016 American Physical Society. Elliptic flow (v2) values for identified particles at midrapidity in Au + Au collisions measured by the STAR experiment in the Beam Energy Scan at the Relativistic Heavy Ion Collider at sNN=7.7-62.4 GeV are presented for three centrality classes. The centrality dependence and the data at sNN=14.5 GeV are new. Except at the lowest beam energies, we observe a similar relative v2 baryon-meson splitting for all centrality classes which is in agreement within 15% with the number-of-constituent quark scaling. The larger v2 for most particles relative to antiparticles, already observed for minimum bias collisions, shows a clear centrality dependence, with the largest difference for the most central collisions. Also, the results are compared with a multiphase transport (AMPT) model and fit with a blast wave model.

published proceedings

  • Physical Review C

altmetric score

  • 1

author list (cited authors)

  • Adamczyk, L., Adkins, J. K., Agakishiev, G., Aggarwal, M. M., Ahammed, Z., Alekseev, I., ... Zyzak, M.

citation count

  • 45

complete list of authors

  • Adamczyk, L||Adkins, JK||Agakishiev, G||Aggarwal, MM||Ahammed, Z||Alekseev, I||Aparin, A||Arkhipkin, D||Aschenauer, EC||Averichev, GS||Bai, X||Bairathi, V||Banerjee, A||Bellwied, R||Bhasin, A||Bhati, AK||Bhattarai, P||Bielcik, J||Bielcikova, J||Bland, LC||Bordyuzhin, IG||Bouchet, J||Brandenburg, D||Brandin, AV||Bunzarov, I||Butterworth, J||Caines, H||Calderón de la Barca Sánchez, M||Campbell, JM||Cebra, D||Cervantes, MC||Chakaberia, I||Chaloupka, P||Chang, Z||Chattopadhyay, S||Chen, X||Chen, JH||Cheng, J||Cherney, M||Chisman, O||Christie, W||Contin, G||Crawford, HJ||Das, S||De Silva, LC||Debbe, RR||Dedovich, TG||Deng, J||Derevschikov, AA||di Ruzza, B||Didenko, L||Dilks, C||Dong, X||Drachenberg, JL||Draper, JE||Du, CM||Dunkelberger, LE||Dunlop, JC||Efimov, LG||Engelage, J||Eppley, G||Esha, R||Evdokimov, O||Eyser, O||Fatemi, R||Fazio, S||Federic, P||Fedorisin, J||Feng, Z||Filip, P||Fisyak, Y||Flores, CE||Fulek, L||Gagliardi, CA||Garand, D||Geurts, F||Gibson, A||Girard, M||Greiner, L||Grosnick, D||Gunarathne, DS||Guo, Y||Gupta, A||Gupta, S||Guryn, W||Hamad, A||Hamed, A||Haque, R||Harris, JW||He, L||Heppelmann, S||Heppelmann, S||Hirsch, A||Hoffmann, GW||Hofman, DJ||Horvat, S||Huang, HZ||Huang, B||Huang, X||Huck, P||Humanic, TJ||Igo, G||Jacobs, WW||Jang, H||Jiang, K||Judd, EG||Kabana, S||Kalinkin, D||Kang, K||Kauder, K||Ke, HW||Keane, D||Kechechyan, A||Khan, ZH||Kikoła, DP||Kisel, I||Kisiel, A||Kochenda, L||Koetke, DD||Kollegger, T||Kosarzewski, LK||Kraishan, AF||Kravtsov, P||Krueger, K||Kulakov, I||Kumar, L||Kycia, RA||Lamont, MAC||Landgraf, JM||Landry, KD||Lauret, J||Lebedev, A||Lednicky, R||Lee, JH||Li, X||Li, Y||Li, W||Li, C||Li, X||Li, ZM||Lisa, MA||Liu, F||Ljubicic, T||Llope, WJ||Lomnitz, M||Longacre, RS||Luo, X||Ma, L||Ma, YG||Ma, GL||Ma, R||Magdy, N||Majka, R||Manion, A||Margetis, S||Markert, C||Masui, H||Matis, HS||McDonald, D||Meehan, K||Minaev, NG||Mioduszewski, S||Mishra, D||Mohanty, B||Mondal, MM||Morozov, DA||Mustafa, MK||Nandi, BK||Nasim, Md||Nayak, TK||Nigmatkulov, G||Niida, T||Nogach, LV||Noh, SY||Novak, J||Nurushev, SB||Odyniec, G||Ogawa, A||Oh, K||Okorokov, V||Olvitt, D||Page, BS||Pak, R||Pan, YX||Pandit, Y||Panebratsev, Y||Pawlik, B||Pei, H||Perkins, C||Peterson, A||Pile, P||Planinic, M||Pluta, J||Poljak, N||Poniatowska, K||Porter, J||Posik, M||Poskanzer, AM||Pruthi, NK||Putschke, J||Qiu, H||Quintero, A||Ramachandran, S||Raniwala, S||Raniwala, R||Ray, RL||Ritter, HG||Roberts, JB||Rogachevskiy, OV||Romero, JL||Roy, A||Ruan, L||Rusnak, J||Rusnakova, O||Sahoo, NR||Sahu, PK||Salur, S||Sandweiss, J||Sarkar, A||Schambach, J||Scharenberg, RP||Schmah, AM||Schmidke, WB||Schmitz, N||Seger, J||Seyboth, P||Shah, N||Shahaliev, E||Shanmuganathan, PV||Shao, M||Sharma, B||Sharma, MK||Shen, WQ||Shi, SS||Shou, QY||Sichtermann, EP||Sikora, R||Simko, M||Singha, S||Skoby, MJ||Smirnov, N||Smirnov, D||Song, L||Sorensen, P||Spinka, HM||Srivastava, B||Stanislaus, TDS||Stepanov, M||Stock, R||Strikhanov, M||Stringfellow, B||Sumbera, M||Summa, B||Sun, X||Sun, Z||Sun, Y||Sun, XM||Surrow, B||Svirida, N||Szelezniak, MA||Tang, Z||Tang, AH||Tarnowsky, T||Tawfik, A||Thäder, J||Thomas, JH||Timmins, AR||Tlusty, D||Tokarev, M||Trentalange, S||Tribble, RE||Tribedy, P||Tripathy, SK||Trzeciak, BA||Tsai, OD||Ullrich, T||Underwood, DG||Upsal, I||Van Buren, G||van Nieuwenhuizen, G||Vandenbroucke, M||Varma, R||Vasiliev, AN||Vertesi, R||Videbæk, F||Viyogi, YP||Vokal, S||Voloshin, SA||Vossen, A||Wang, F||Wang, Y||Wang, G||Wang, Y||Wang, JS||Wang, H||Webb, JC||Webb, G||Wen, L||Westfall, GD||Wieman, H||Wissink, SW||Witt, R||Wu, YF||Wu, Y||Xiao, ZG||Xie, W||Xin, K||Xu, Z||Xu, H||Xu, YF||Xu, QH||Xu, N||Yang, Y||Yang, C||Yang, S||Yang, Y||Yang, Q||Ye, Z||Ye, Z||Yepes, P||Yi, L||Yip, K||Yoo, I-K||Yu, N||Zbroszczyk, H||Zha, W||Zhang, JB||Zhang, Y||Zhang, S||Zhang, J||Zhang, J||Zhang, Z||Zhang, XP||Zhao, J||Zhong, C||Zhou, L||Zhu, X||Zoulkarneeva, Y||Zyzak, M

publication date

  • January 2016