- Main
Measurement of elliptic flow of light nuclei at $\sqrt{s_{NN}}$ = 200, 62.4, 39, 27, 19.6, 11.5, and 7.7 GeV at RHIC
- Author(s): Collaboration, STAR
- Adamczyk, L
- Adkins, JK
- Agakishiev, G
- Aggarwal, MM
- Ahammed, Z
- Alekseev, I
- Aparin, A
- Arkhipkin, D
- Aschenauer, EC
- Ashraf, MU
- Attri, A
- Averichev, GS
- Bai, X
- Bairathi, V
- Bellwied, R
- Bhasin, A
- Bhati, AK
- Bhattarai, P
- Bielcik, J
- Bielcikova, J
- Bland, LC
- Bordyuzhin, IG
- Bouchet, J
- Brandenburg, JD
- Brandin, AV
- Bunzarov, I
- Butterworth, J
- Caines, H
- Sánchez, M Calderón de la Barca
- Campbell, JM
- Cebra, D
- Chakaberia, I
- Chaloupka, P
- Chang, Z
- Chatterjee, A
- Chattopadhyay, S
- Chen, X
- Chen, JH
- Cheng, J
- Cherney, M
- Christie, W
- Contin, G
- Crawford, HJ
- Das, S
- Silva, LC De
- Debbe, RR
- Dedovich, TG
- Deng, J
- Derevschikov, AA
- Ruzza, B di
- 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, S
- Gupta, A
- Guryn, W
- Hamad, AI
- Hamed, A
- Haque, R
- Harris, JW
- He, L
- Heppelmann, S
- Heppelmann, S
- Hirsch, A
- Hoffmann, GW
- Horvat, S
- Huang, T
- Huang, HZ
- Huang, X
- Huang, B
- Huck, P
- Humanic, TJ
- Igo, G
- Jacobs, WW
- Jang, H
- Jentsch, A
- Jia, J
- 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
- Kosarzewski, LK
- Kraishan, AF
- Kravtsov, P
- Krueger, K
- Kumar, L
- Lamont, MAC
- Landgraf, JM
- Landry, KD
- Lauret, J
- Lebedev, A
- Lednicky, R
- Lee, JH
- Li, W
- Li, X
- Li, X
- Li, C
- Li, Y
- Lin, T
- Lisa, MA
- Liu, F
- Ljubicic, T
- Llope, WJ
- Lomnitz, M
- Longacre, RS
- Luo, X
- Ma, GL
- Ma, R
- Ma, YG
- Ma, L
- Magdy, N
- Majka, R
- Manion, A
- Margetis, S
- Markert, C
- Matis, HS
- McDonald, D
- McKinzie, S
- Meehan, K
- Mei, JC
- 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, VA
- Jr, D Olvitt
- Page, BS
- Pak, R
- Pan, YX
- Pandit, Y
- Panebratsev, Y
- Pawlik, B
- Pei, H
- Perkins, C
- Pile, P
- Pluta, J
- 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
- Ruan, L
- Rusnak, J
- Rusnakova, O
- Sahoo, NR
- Sahu, PK
- Sakrejda, I
- 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, A
- Sharma, MK
- Shen, WQ
- Shi, Z
- Shi, SS
- Shou, QY
- Sichtermann, EP
- Sikora, R
- Simko, M
- Singha, S
- Skoby, MJ
- Smirnov, D
- Smirnov, N
- Solyst, W
- Song, L
- Sorensen, P
- Spinka, HM
- Srivastava, B
- Stanislaus, TDS
- Stepanov, M
- Stock, R
- Strikhanov, M
- Stringfellow, B
- Sumbera, M
- Summa, B
- Sun, Y
- Sun, XM
- Sun, Z
- Surrow, B
- Svirida, DN
- Tang, Z
- Tang, AH
- Tarnowsky, T
- Tawfik, A
- Thäder, J
- Thomas, JH
- Timmins, AR
- Tlusty, D
- Todoroki, T
- Tokarev, M
- Trentalange, S
- Tribble, RE
- Tribedy, P
- Tripathy, SK
- Tsai, OD
- Ullrich, T
- Underwood, DG
- Upsal, I
- Buren, G Van
- Nieuwenhuizen, G van
- Vandenbroucke, M
- Varma, R
- Vasiliev, AN
- Vertesi, R
- Videbæk, F
- Vokal, S
- Voloshin, SA
- Vossen, A
- Wang, H
- Wang, JS
- Wang, Y
- Wang, F
- Wang, G
- Wang, Y
- Webb, G
- Webb, JC
- Wen, L
- Westfall, GD
- Wieman, H
- Wissink, SW
- Witt, R
- Wu, Y
- Xiao, ZG
- Xie, G
- Xie, W
- Xin, K
- Xu, N
- Xu, H
- Xu, Z
- Xu, YF
- Xu, J
- Xu, QH
- Yang, C
- Yang, Y
- Yang, Y
- 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, J
- Zhang, Z
- Zhang, S
- Zhang, Y
- Zhang, XP
- Zhang, J
- Zhang, S
- Zhao, J
- Zhong, C
- Zhou, L
- Zhu, X
- Zoulkarneeva, Y
- Zyzak, M
- et al.
Abstract
We present measurements of 2$^{nd}$ order azimuthal anisotropy ($v_{2}$) at mid-rapidity $(|y|<1.0)$ for light nuclei d, t, $^{3}$He (for $\sqrt{s_{NN}}$ = 200, 62.4, 39, 27, 19.6, 11.5, and 7.7 GeV) and anti-nuclei $\bar{\rm d}$ ($\sqrt{s_{NN}}$ = 200, 62.4, 39, 27, and 19.6 GeV) and $^{3}\bar{\rm He}$ ($\sqrt{s_{NN}}$ = 200 GeV) in the STAR (Solenoidal Tracker at RHIC) experiment. The $v_{2}$ for these light nuclei produced in heavy-ion collisions is compared with those for p and $\bar{\rm p}$. We observe mass ordering in nuclei $v_{2}(p_{T})$ at low transverse momenta ($p_{T}<2.0$ GeV/$c$). We also find a centrality dependence of $v_{2}$ for d and $\bar{\rm d}$. The magnitude of $v_{2}$ for t and $^{3}$He agree within statistical errors. Light-nuclei $v_{2}$ are compared with predictions from a blast wave model. Atomic mass number ($A$) scaling of light-nuclei $v_{2}(p_{T})$ seems to hold for $p_{T}/A < 1.5$ GeV/$c$. Results on light-nuclei $v_{2}$ from a transport-plus-coalescence model are consistent with the experimental measurements.