Probing parton dynamics of QCD matter with Omega and phi production
Adamczyk, L; Adkins, JK; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Alekseev, I; Aparin, A; Arkhipkin, D; Aschenauer, EC; 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; Sanchez, MCD; Campbell, JM; Cebra, D; Chakaberia, I; Chaloupka, P; Chang, Z; Chatterjee, A; Chattopadhyay, S; Chen, JH; Chen, X; Cheng, J; Cherney, M; 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, 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, X; Huang, B; Huang, HZ; 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; Kikola, 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, X; Li, C; Li, X; Li, Y; Li, W; Lin, T; Lisa, MA; Liu, F; Ljubicic, T; Llope, WJ; Lomnitz, M; Longacre, RS; Luo, X; Ma, R; Ma, GL; 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, M; Nayak, TK; Nigmatkulov, G; Niida, T; Nogach, LV; Noh, SY; Novak, J; Nurushev, SB; Odyniec, G; Ogawa, A; Oh, K; Okorokov, VA; Olvitt, D; 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, A; Sharma, B; Sharma, MK; Shen, WQ; Shi, Z; Shi, SS; Shou, QY; Sichtermann, EP; Sikora, R; Simko, M; Singha, S; Skoby, MJ; Smirnov, N; Smirnov, D; 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, Z; Sun, XM; Sun, Y; Surrow, B; Svirida, DN; Tang, Z; Tang, AH; Tarnowsky, T; Tawfik, A; Thader, 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; Van Buren, G; Van Nieuwenhuizen, G; Vandenbroucke, M; Varma, R; Vasiliev, AN; Vertesi, R; Videbaek, F; Vokal, S; Voloshin, SA; Vossen, A; Wang, F; Wang, G; Wang, JS; Wang, H; Wang, Y; Wang, Y; Webb, G; Webb, JC; Wen, L; Westfall, GD; Wieman, H; Wissink, SW; Witt, R; Wu, Y; Xiao, ZG; Xie, W; Xie, G; Xin, K; Xu, YF; Xu, QH; Xu, N; Xu, H; Xu, Z; Xu, J; Yang, S; Yang, Y; Yang, Y; Yang, C; Yang, Y; Yang, Q; Ye, Z; Ye, Z; Yepes, P; Yi, L; Yip, K; Yoo, IK; Yu, N; Zbroszczyk, H; Zha, W; Zhang, XP; Zhang, Y; Zhang, J; Zhang, J; Zhang, S; Zhang, S; Zhang, Z; Zhang, JB; Zhao, F; Zhao, J; Zhong, C; Zhou, L; Zhu, X; Zoulkarneeva, Y; Zyzak, M; Adamczyk, L (reprint author), AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, PL-30059 Krakow, Poland.
2016
发表期刊PHYSICAL REVIEW C
ISSN2469-9985
卷号93期号:2页码:
文章类型期刊文献
摘要We present measurements of Omega and phi production at midrapidity from Au+Au collisions at nucleon-nucleon center-of-mass energiesv root s(NN) = 7.7, 11.5, 19.6, 27, and 39 GeV by the STAR experiment at the BNL Relativistic Heavy Ion Collider (RHIC). Motivated by the coalescence formation mechanism for these strange hadrons, we study the ratios of N(Omega(-)+Omega(+))/[2N(phi)]. These ratios as a function of transverse momentum p(T) fall on a consistent trend at high collision energies, but start to show deviations in peripheral collisions at root s(NN) = 19.6, 27, and 39 GeV, and in central collisions at 11.5 GeV in the intermediate p(T) region of 2.4-3.6 GeV/c. We further evaluate empirically the strange quark p(T) distributions at hadronization by studying the Omega/phi ratios scaled by the number of constituent quarks (NCQ). The NCQ-scaled Omega/phi ratios show a suppression of strange quark production in central collisions at 11.5 GeV compared to root s(NN) >= 19.6 GeV. The shapes of the presumably thermal strange quark distributions in 0-60% most central collisions at 7.7 GeV show significant deviations from those in 0-10% most central collisions at higher energies. These features suggest that there is likely a change of the underlying strange quark dynamics in the transition from quark matter to hadronic matter at collision energies below 19.6 GeV.
关键词Quark-gluon Plasma Meson Production Freeze-out Collisions Energy Strangeness Dependence Au
DOI10.1103/PhysRevC.93.021903
收录类别SCI
语种英语
WOS记录号WOS:000370799800001
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/25812
专题中科院上海应用物理研究所2011-2018年
通讯作者Adamczyk, L (reprint author), AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, PL-30059 Krakow, Poland.
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Adamczyk, L,Adkins, JK,Agakishiev, G,et al. Probing parton dynamics of QCD matter with Omega and phi production[J]. PHYSICAL REVIEW C,2016,93(2):—.
APA Adamczyk, L.,Adkins, JK.,Agakishiev, G.,Aggarwal, MM.,Ahammed, Z.,...&Adamczyk, L .(2016).Probing parton dynamics of QCD matter with Omega and phi production.PHYSICAL REVIEW C,93(2),—.
MLA Adamczyk, L,et al."Probing parton dynamics of QCD matter with Omega and phi production".PHYSICAL REVIEW C 93.2(2016):—.
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