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Beam energy dependence of net-Lambda fluctuations measured by the STAR experiment at the BNL Relativistic Heavy Ion Collider
Adam, J; Adamczyk, L; Adams, JR; Adkins, JK; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Alekseev, I; Anderson, DM; Aoyama, R; Aparin, A; Aschenauer, EC; Ashraf, MU; Atetalla, FG; Attri, A; Averichev, GS; Bairathi, V; Barish, K; Bassill, AJ; Behera, A; Bellwied, R; Bhasin, A; Bielcik, J; Bielcikova, J; Bland, LC; Bordyuzhin, IG; Brandenburg, JD; Brandin, AV; Bryslawskyj, J; Bunzarov, I; Butterworth, J; Caines, H; Sanchez, MCD; Cebra, D; Chakaberia, I; Chaloupka, P; Chan, BK; Chang, FH; Chang, Z; Chankova-Bunzarova, N; Chatterjee, A; Chattopadhyay, S; Chen, JH; Chen, X; Cheng, J; Cherney, M; Christie, W; Crawford, HJ; Csanad, M; Das, S; Dedovich, TG; Deppner, IM; Derevschikov, AA; Didenko, L; Dilks, C; Dong, X; Drachenberg, JL; Dunlop, JC; Edmonds, T; Elsey, N; Engelage, J; Eppley, G; Esha, R; Esumi, S; Evdokimov, O; Ewigleben, A; Eyser, O; Fatemi, R; Fazio, S; Federic, P; Fedorisin, J; Feng, Y; Filip, P; Finch, E; Fisyak, Y; Fulek, L; Gagliardi, CA; Galatyuk, T; Geurts, F; Gibson, A; Gopal, K; Grosnick, D; Gupta, A; Guryn, W; Hamad, AI; Hamed, A; Harris, JW; He, L; Heppelmann, S; Herrmann, N; Holub, L; Hong, Y; Horvat, S; Huang, B; Huang, HZ; Huang, SL; Huang, T; Huang, X; Humanic, TJ; Huo, P; Igo, G; Jacobs, WW; Jena, C; Jentsch, A; Ji, Y; Jia, J; Jiang, K; Jowzaee, S; Ju, X; Judd, EG; Kabana, S; Kagamaster, S; Kalinkin, D; Kang, K; Kapukchyan, D; Kauder, K; Ke, HW; Keane, D; Kechechyan, A; Kelsey, M; Khyzhniak, YV; Kikola, DP; Kim, C; Kinghorn, TA; Kisel, I; Kisiel, A; Kocan, M; Kochenda, L; Kosarzewski, LK; Kramarik, L; Kravtsov, P; Krueger, K; Mudiyanselage, NK; Kumar, L; Elayavalli, RK; Kwasizur, JH; Lacey, R; Landgraf, JM; Lauret, J; Lebedev, A; Lednicky, R; Lee, JH; Li, C; Li, W; Li, X; Li, Y; Liang, Y; Licenik, R; Lin, T; Lipiec, A; Lisa, MA; Liu, F; Liu, H; Liu, P; Liu, T; Liu, X; Liu, Y; Liu, Z; Ljubicic, T; Llope, WJ; Lomnitz, M; Longacre, RS; Luo, S; Luo, X; Ma, GL; Ma, L; Ma, R; Ma, YG; Magdy, N; Majka, R; Mallick, D; Margetis, S; Markert, C; Matis, HS; Matonoha, O; Mazer, JA; Meehan, K; Mei, JC; Minaev, NG; Mioduszewski, S; Mishra, D; Mohanty, B; Mondal, MM; Mooney, I; Moravcova, Z; Morozov, DA; Nasim, M; Nayak, K; Nelson, JM; Nemes, DB; Nie, M; Nigmatkulov, G; Niida, T; Nogach, LV; Nonaka, T; Odyniec, G; Ogawa, A; Oh, S; Okorokov, VA; Page, BS; Pak, R; Panebratsev, Y; Pawlik, B; Pawlowska, D; Pei, H; Perkins, C; Pinter, RL; Pluta, J; Porter, J; Posik, M; Pruthi, NK; Przybycien, M; Putschke, J; Quintero, A; Radhakrishnan, SK; Ramachandran, S; Ray, RL; Reed, R; Ritter, HG; Roberts, JB; Rogachevskiy, OV; Romero, JL; Ruan, L; Rusnak, J; Rusnakova, O; Sahoo, NR; Sahu, PK; Salur, S; Sandweiss, J; Schambach, J; Schmidke, WB; Schmitz, N; Schweid, BR; Seck, F; Seger, J; Sergeeva, M; Seto, R; Seyboth, P; Shah, N; Shahaliev, E; Shanmuganathan, PV; Shao, M; Shen, F; Shen, WQ; Shi, SS; Shou, QY; Sichtermann, EP; Siejka, S; Sikora, R; Simko, M; Singh, J; Singha, S; Smirnov, D; Smirnov, N; Solyst, W; Sorensen, P; Spinka, HM; Srivastava, B; Stanislaus, TDS; Stefaniak, M; Stewart, DJ; Strikhanov, M; Stringfellow, B; Suaide, AAP; Sugiura, T; Sumbera, M; Summa, B; Sun, XM; Sun, Y; Surrow, B; Svirida, DN; Szymanski, P; Tang, AH; Tang, Z; Taranenko, A; Tarnowsky, T; Thomas, JH; Timmins, AR; Tlusty, D; Tokarev, M; Tomkiel, CA; Trentalange, S; Tribble, RE; Tribedy, P; Tripathy, SK; Tsai, OD; Tu, B; Tu, Z; Ullrich, T; Underwood, DG; Upsal, I; Van Buren, G; Vanek, J; Vasiliev, AN; Vassiliev, I; Videbaek, F; Vokal, S; Voloshin, SA; Wang, F; Wang, G; Wang, P; Wang, Y; Webb, JC; Wen, L; Westfall, GD; Wieman, H; Wissink, SW; Witt, R; Wu, Y; Xiao, ZG; Xie, G; Xie, W; Xu, H; Xu, N; Xu, QH; Xu, YF; Xu, Z; Yang, C; Yang, Q; Yang, S; Yang, Y; Yang, Z; Ye, Z; Yi, L; Yip, K; Zbroszczyk, H; Zha, W; Zhang, D; Zhang, L; Zhang, S; Zhang, XP; Zhang, Y; Zhang, Z; Zhao, J; Zhong, C; Zhou, C; Zhu, X; Zhu, Z; Zurek, M; Zyzak, M
2020
Source PublicationPHYSICAL REVIEW C
ISSN0556-2813
Volume102Issue:2Pages:-
Subtype期刊论文
AbstractThe measurements of particle multiplicity distributions have generated considerable interest in understanding the fluctuations of conserved quantum numbers in the quantum chromodynamics (QCD) hadronization regime, in particular near a possible critical point and near the chemical freeze-out. Net-protons and net-kaons have been used as proxies for the net-baryon number and net-strangeness, respectively. We report the measurement of efficiency- and centrality-bin width-corrected cumulant ratios (C-2/C-1,C-3/C-3) of net-A distributions, in the context of both strangeness and baryon number conservation, as a function of collision energy, centrality, and rapidity. The results are for Au + Au collisions at five beam energies (root s(NN) = 19.6, 27, 39, 62.4, and 200 GeV) recorded with the Solenoidal Tracker at RHIC (STAR). We compare our results to the Poisson and negative binomial (NBD) expectations, as well as to ultrarelativistic quantum molecular dynamics (UrQMD) and hadron resonance gas (HRG) model predictions. Both NBD and Poisson baselines agree with data within the statistical and systematic uncertainties. UrQMD describes the measured net-A C-1 and C-3 at 200 GeV reasonably well but deviates from C-2, and the deviation increases as a function of collision energy. The ratios of the measured cumulants show no features of critical fluctuations. The chemical freeze-out temperatures extracted from a recent HRG calculation, which was successfully used to describe the net-proton, net-kaon, and net-charge data, indicate A freeze-out conditions similar to those of kaons. However, large deviations are found when comparing with temperatures obtained from net-proton fluctuations. The net-A cumulants show a weak but finite dependence on the rapidity coverage in the acceptance of the detector, which can be attributed to quantum number conservation.
KeywordFREEZE-OUT CONDITIONS MULTIPLICITY DISTRIBUTIONS CHARGE FLUCTUATIONS HIGHER MOMENTS COLLISIONS PROTON QCD
DOI10.1103/PhysRevC.102.024903
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32726
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Abilene Christian Univ, Abilene, TX 79699 USA
2.AGH Univ Sci & Technol, FPACS, PL-30059 Krakow, Poland
3.Alikhanov Inst Theoret & Expt Phys, Moscow 117218, Russia
4.Argonne Natl Lab, Argonne, IL 60439 USA
5.Amer Univ Cairo, Cairo, Egypt
6.Brookhaven Natl Lab, Upton, NY 11973 USA
7.Univ Calif Berkeley, Berkeley, CA 94720 USA
8.Univ Calif Davis, Davis, CA 95616 USA
9.Univ Calif Los Angeles, Los Angeles, CA 90095 USA
10.Univ Calif Riverside, Riverside, CA 92521 USA (1
11.Cent China Normal Univ, Wuhan 430079, Hubei, Peoples R China
12.Univ Illinois, Chicago, IL 60607 USA
13.Creighton Univ, Omaha, NE 68178 USA
14.Czech Tech Univ, FNSPE, Prague 11519, Czech Republic
15.Tech Univ Darmstadt, D-64289 Darmstadt, Germany
16.Eotvos Lorand Univ, H-1117 Budapest, Hungary
17.Frankfurt Inst Adv Studies FIAS, D-60438 Frankfurt, Germany
18.Fudan Univ, Shanghai 200433, Peoples R China
19.Heidelberg Univ, D-69120 Heidelberg, Germany
20.Univ Houston, Houston, TX 77204 USA (2
21.Huzhou Univ, Huzhou 313000, Zhejiang, Peoples R China
22.Indian Inst Sci Educ & Res IISER, Berhampur 760010, India
23.Indian Inst Sci Educ & Res IISER Tirupati, Tirupati 517507, Andhra Pradesh, India
24.Indian Inst Technol, Patna, Bihar, India
25.Indiana Univ, Bloomington, IN 47408 USA
26.Inst Phys, Bhubaneswar 751005, India
27.Univ Jammu, Jammu 180001, Jammu & Kashmir, India
28.Joint Inst Nucl Res, Dubna 141980, Russia
29.Kent State Univ, Kent, OH 44242 USA
30.Univ Kentucky, Lexington, KY 40506 USA (3
31.Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
32.Lehigh Univ, Bethlehem, PA 18015 USA
33.Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany
34.Michigan State Univ, E Lansing, MI 48824 USA
35.Natl Res Nucl Univ MEPhI, Moscow 115409, Russia
36.HBNI, Natl Inst Sci Educ & Res, Jatni 752050, India
37.Natl Cheng Kung Univ, Tainan 70101, Peoples R China
38.CAS, Nucl Phys Inst, Rez 25068, Czech Republic
39.Ohio State Univ, Columbus, OH 43210 USA
40.Panjab Univ, Chandigarh 160014, India (4
41.Penn State Univ, University Pk, PA 16802 USA
42.NRC Kurchatov Inst, Inst High Energy Phys, Protvino 142281, Russia
43.Purdue Univ, W Lafayette, IN 47907 USA
44.Rice Univ, Houston, TX 77251 USA
45.Rutgers State Univ, Piscataway, NJ 08854 USA
46.Univ Sao Paulo, BR-05314970 Sao Paulo, Brazil
47.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
48.Shandong Univ, Jinan 266237, Shandong, Peoples R China
49.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
50.Southern Connecticut State Univ, New Haven, CT 06515 USA (5
51.SUNY Stony Brook, Stony Brook, NY 11794 USA
52.Temple Univ, Philadelphia, PA 19122 USA
53.Texas A&M Univ, College Stn, TX 77843 USA
54.Univ Texas Austin, Austin, TX 78712 USA
55.Tsinghua Univ, Beijing 100084, Peoples R China
56.Univ Tsukuba, Tsukuba, Ibaraki 3058571, Japan
57.US Naval Acad, Annapolis, MD 21402 USA
58.Valparaiso Univ, Valparaiso, IN 46383 USA
59.Variable Energy Cyclotron Ctr, Kolkata 700064, India
60.Warsaw Univ Technol, PL-00661 Warsaw, Poland (6
61.Wayne State Univ, Detroit, MI 48201 USA
62.Yale Univ, New Haven, CT 06520 USA
Recommended Citation
GB/T 7714
Adam, J,Adamczyk, L,Adams, JR,et al. Beam energy dependence of net-Lambda fluctuations measured by the STAR experiment at the BNL Relativistic Heavy Ion Collider[J]. PHYSICAL REVIEW C,2020,102(2):-.
APA Adam, J.,Adamczyk, L.,Adams, JR.,Adkins, JK.,Agakishiev, G.,...&Zyzak, M.(2020).Beam energy dependence of net-Lambda fluctuations measured by the STAR experiment at the BNL Relativistic Heavy Ion Collider.PHYSICAL REVIEW C,102(2),-.
MLA Adam, J,et al."Beam energy dependence of net-Lambda fluctuations measured by the STAR experiment at the BNL Relativistic Heavy Ion Collider".PHYSICAL REVIEW C 102.2(2020):-.
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