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Measurements of the chiral magnetic effect with background isolation in 200 GeV Au+Au collisions at STAR
Zhao, J; Adam, J; Adamczyk, L; Adams, JR; Adkins, JK; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Alekseev, I; Anderson, DM; Aoyama, R; Aparin, A; Arkhipkin, D; Aschenauer, EC; Ashraf, MU; Atetalla, F; Attri, A; Averichev, GS; Bai, X; Bairathi, V; Barish, K; Bassill, AJ; Behera, A; Beliwied, R; Bhasin, A; Bhati, AK; Bielcik, J; Bielcikova, J; Bland, LC; Bordyuzhin, IG; Brandenburg, JD; Brandin, AV; Brown, D; 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; Chen, X; Cheng, J; Cherney, M; Christie, W; Contin, G; Crawford, HJ; Csanad, M; Das, S; Dedovich, TG; Deppner, IM; Derevschikov, AA; Didenko, L; Dilks, C; Dong, X; Drachenberg, JL; Dunlop, JC; Efimov, LG; Elsey, N; Engelage, J; Eppley, G; Esha, R; Esumi, S; Evdokimov, O; Ewigleben, J; Eyser, O; Fatemi, R; Fazio, S; Federic, P; Fedorisin, J; Filip, P; Finch, E; Fisyak, Y; Flores, CE; Fulek, L; Gagliardi, CA; Galatyuk, T; Geurts, F; Gibson, A; Grosnick, D; Gunarathne, DS; Guo, Y; Gupta, A; Guryn, W; Hamad, AI; Hamed, A; Harlenderova, A; Harris, JW; He, L; Heppelmann, S; Heppelmann, S; Herrmann, N; Hirsch, A; Holub, L; Hong, Y; Horvat, S; Huang, B; Huang, HZ; Huang, SL; Huang, T; Huang, X; Humanic, TJ; Huo, P; Igo, G; Jacobs, WW; Jentsch, A; 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; Kikola, DP; Kim, C; Kinghorn, TA; Kisel, I; Kisiel, A; Kocan, M; Kochenda, L; Kosarzewski, LK; Kraishan, AF; Kramarik, L; Krauth, L; Kravtsov, P; Krueger, K; Kulathunga, N; Kumar, L; Elayavalli, RK; Kvapil, J; 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; Lidrych, J; Lin, T; Lipiec, A; Lisa, MA; Liu, F; Liu, H; Liu, P; Liu, P; 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; Monda, MM; Mooney, I; Moravcova, Z; Morozov, DA; Nasim, M; Nayak, K; Negrete, JD; Nelson, JM; Nemes, DB; Nie, M; Nigmatkulov, G; Niida, T; Nogach, LV; Nonaka, T; Odyniec, G; Ogawa, A; Oh, K; Oh, S; Okorokov, VA; Olvitt, D; Page, BS; Pak, R; Panebratsev, Y; Pawlik, B; 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; Schmah, AM; 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; 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; Todoroki, T; Tokarev, M; Tomkiel, CA; Trentalange, S; Tribble, RE; Tribedy, P; Tripathy, SK; Tsai, OD; Tu, B; Ullrich, T; Underwood, DG; Upsal, I; Van Buren, G; Vanek, J; Vasiliev, AN; Vassiliev, I; Videbaek, F; Vokal, S; Voloshin, SA; Vossen, A; Wang, F; Wang, G; Wang, P; Wang, Y; Wang, Y; Webb, JC; Wen, L; Westfall, GD; Wieman, H; Wissink, SW; Witt', R; Wu, Y; Xiao, ZG; Xie, G; Xie, W; Xu, J; Xu, N; Xu, QH; Xu, YF; Xu, Z; Yang, C; Yang, K; Yang, S; Yang, Y; Ye, Z; Ye, Z; Yi, L; Yip, K; Yoo, IK; Zbroszczyk, H; Zha, W; Zhang, J; Zhang, J; Zhang, L; Zhang, S; Zhang, S; Zhang, XP; Zhang, Y; Zhang, Z; Zhao, J; Zhong, C; Zhou, C; Zhu, X; Zhu, Z; Zyzak, M
2019
Source PublicationNUCLEAR PHYSICS A
ISSN0375-9474
Volume982Issue:-Pages:535—538
Subtype期刊论文
AbstractUsing two novel methods, pair invariant mass (m(inv)) and comparative measurements with respect to reaction plane (Psi(RP)) and participant plane (Psi(PP)), we isolate the possible chiral magnetic effect (CME) from backgrounds in 200 GeV Au+Au collisions at STAR. The invariant mass method identifies the resonance background contributions, coupled with the elliptic flow (v(2)), to the charge correlator CME observable (Delta gamma). At high mass (m(inv) > 1.5 GeV/c(2)) where resonance contribution is small, we obtain the average Delta gamma magnitude. In the low mass region (m(inv) < 1.5 GeV/c(2)), resonance peaks are observed in Delta gamma(m(inv)). An event shape engineering (ESE) method is used to model the background shape in m(inv) to extract the potential CME signal at low m(inv). In the comparative method, the Psi(RP) is assessed by spectator neutrons measured by the ZDCs, and the Psi(PP) by the 2nd-harmonic event plane measured by the TPC. The v(2) is stronger along Psi(PP) and weaker along Psi(RP); in contrast, the magnetic field, mainly from spectator protons, is weaker along Psi(PP) and stronger along Psi(RP). As a result, the Delta gamma measured with respect to Psi(RP) and Psi(PP) contain different amounts of CME and background, and can thus determine these two contributions. It is found that the possible CME signals with background isolation by these two novel methods are small, on the order of a few percent of the inclusive Delta gamma measurements.
DOI10.1016/j.nuclphysa.2018.08.035
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/31702
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Purdue Univ, Dept Phys & Astron, W Lafayette, IN 47906 USA;
2.Abilene Christian Univ, Abilene, TX 79699 USA;
3.AGH Univ Sci & Technol, FPACS, PL-30059 Krakow, Poland;
4.Alikhanov Inst Theoret & Expt Phys, Moscow 117218, Russia;
5.Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA;
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;
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.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;
21.Indiana Univ, Bloomington, IN 47408 USA;
22.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Gansu, Peoples R China;
23.Inst Phys, Bhubaneswar 751005, India;
24.Univ Jammu, Jammu 180001, India;
25.Joint Inst Nucl Res, Dubna 141980, Russia;
26.Kent State Univ, Kent, OH 44242 USA;
27.Univ Kentucky, Lexington, KY 40506 USA;
28.Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA;
29.Lehigh Univ, Bethlehem, PA 18015 USA;
30.Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany;
31.Michigan State Univ, E Lansing, MI 48824 USA;
32.Natl Res Nucl Univ MEPhI, Moscow 115409, Russia;
33.Natl Inst Sci Educ & Res, HBNI, Jatni 752050, India;
34.Natl Cheng Kung Univ, Tainan 70101, Taiwan;
35.CAS, Nucl Phys Inst, CAS, Rez 25068, Czech Republic;
36.Ohio State Univ, Columbus, OH 43210 USA;
37.Inst Nucl Phys PAN, PL-31342 Krakow, Poland;
38.Panjab Univ, Chandigarh 160014, India;
39.Penn State Univ, University Pk, PA 16802 USA;
40.Inst High Energy Phys, Protvino 142281, Russia;
41.Purdue Univ, W Lafayette, IN 47907 USA;
42.Pusan Natl Univ, Pusan 46241, South Korea;
43.Rice Univ, Houston, TX 77251 USA;
44.Rutgers State Univ, Piscataway, NJ 08854 USA;
45.Univ Sao Paulo, BR-05314970 Sao Paulo, Brazil;
46.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China;
47.Shandong Univ, Qingdao 266237, Shandong, Peoples R China;
48.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China;
49.Southern Connecticut State Univ, New Haven, CT 06515 USA;
50.SUNY Stony Brook, Stony Brook, NY 11794 USA;
51.Temple Univ, Philadelphia, PA 19122 USA;
52.Texas A&M Univ, College Stn, TX 77843 USA;
53.Univ Texas Austin, Austin, TX 78712 USA;
54.Tsinghua Univ, Beijing 100084, Peoples R China;
55.Univ Tsukuba, Tsukuba, Ibaraki 3058571, Japan;
56.US Naval Acad, Annapolis, MD 21402 USA;
57.Valparaiso Univ, Valparaiso, IN 46383 USA;
58.Variable Energy Cyclotron Ctr, Kolkata 700064, India;
59.Warsaw Univ Technol, PL-00661 Warsaw, Poland;
60.Wayne State Univ, Detroit, MI 48201 USA;
61.Yale Univ, New Haven, CT 06520 USA
Recommended Citation
GB/T 7714
Zhao, J,Adam, J,Adamczyk, L,et al. Measurements of the chiral magnetic effect with background isolation in 200 GeV Au+Au collisions at STAR[J]. NUCLEAR PHYSICS A,2019,982(-):535—538.
APA Zhao, J.,Adam, J.,Adamczyk, L.,Adams, JR.,Adkins, JK.,...&Zyzak, M.(2019).Measurements of the chiral magnetic effect with background isolation in 200 GeV Au+Au collisions at STAR.NUCLEAR PHYSICS A,982(-),535—538.
MLA Zhao, J,et al."Measurements of the chiral magnetic effect with background isolation in 200 GeV Au+Au collisions at STAR".NUCLEAR PHYSICS A 982.-(2019):535—538.
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