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Measurement of the central exclusive production of charged particle pairs in proton-proton collisions at root s=200 GeV with the STAR detector at RHIC
Adam, J; Adamczyk, L; Adams, JR; Adkins, JK; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Alekseev, I; Anderson, DM; Aparin, A; Aschenauer, EC; Ashraf, MU; Atetalla, FG; Attri, A; Averichev, GS; Bairathi, V; Barish, K; Behera, A; Bellwied, R; Bhasin, A; Bielcik, J; Bielcikova, J; Bland, LC; Bordyuzhin, IG; Brandenburg, JD; Brandin, AV; Butterworth, J; Caines, H; Sanchez, MCD; Cebra, D; Chakaberia, I; Chaloupka, P; Chan, BK; Chang, FH; Chang, Z; Chankova-Bunzarova, N; Chatterjee, A; Chen, D; Chen, JH; Chen, X; Chen, Z; Cheng, J; Cherney, M; Chevalier, M; Choudhury, S; Christie, W; Chu, X; Crawford, HJ; Csanad, M; Daugherity, M; Dedovich, TG; Deppner, IM; Derevschikov, AA; Didenko, L; 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, CJ; Feng, Y; Filip, P; Finch, E; Fisyak, Y; Francisco, A; Fulek, L; Gagliardi, CA; Galatyuk, T; Geurts, F; Gibson, A; Gopal, K; Grosnick, D; Guryn, W; Hamad, AI; Hamed, A; Harabasz, S; Harris, JW; He, S; He, W; He, XH; Heppelmann, S; Heppelmann, S; Herrmann, N; Hoffman, E; Holub, L; Hong, Y; Horvat, S; Hu, Y; Huang, HZ; Huang, SL; Huang, T; Huang, X; Humanic, TJ; Huo, P; Igo, G; Isenhower, D; Jacobs, WW; Jena, C; Jentsch, A; Ji, Y; Jia, J; Jiang, K; Jowzaee, S; Ju, X; Judd, EG; Kabana, S; Kabir, ML; Kagamaster, S; Kalinkin, D; Kang, K; Kapukchyan, D; Kauder, K; Ke, HW; Keane, D; Kechechyan, A; Kelsey, M; Khyzhniak, YV; Kikola, DP; Kim, C; Kimelman, B; Kincses, D; Kinghorn, TA; Kisel, I; Kiselev, A; Kisiel, A; Kocan, M; Kochenda, L; Kosarzewski, LK; Kramarik, L; Kravtsov, P; Krueger, K; Mudiyanselage, NK; Kumar, L; Elayavalli, RK; Kwasizur, JH; Lacey, R; Lan, S; Landgraf, JM; Lauret, J; Lebedev, A; Lednicky, R; Lee, JH; Leung, YH; Li, C; Li, W; Li, W; Li, X; Li, Y; Liang, Y; Licenik, R; Lin, T; Lin, Y; Lisa, MA; Liu, F; Liu, H; Liu, P; Liu, P; Liu, T; Liu, X; Liu, Y; Liu, Z; Ljubicic, T; Llope, WJ; Longacre, RS; Lukow, NS; Luo, S; Luo, X; Ma, GL; Ma, L; Ma, R; Ma, YG; Magdy, N; Majka, R; Mallick, D; Margetis, S; Markert, C; Matis, HS; Mazer, JA; Minaev, NG; Mioduszewski, S; Mohanty, B; Mondal, MM; Mooney, I; Moravcova, Z; Morozov, DA; Nagy, M; Nam, JD; Nasim, M; Nayak, K; Neff, D; Nelson, JM; Nemes, DB; Nie, M; Nigmatkulov, G; Niida, T; Nogach, LV; Nonaka, T; Nunes, AS; Odyniec, G; Ogawa, A; Oh, S; Okorokov, VA; Page, BS; Pak, R; Pandav, A; Panebratsev, Y; Pawlik, B; Pawlowska, D; Pei, H; Perkins, C; Pinsky, L; Pinter, RL; Pluta, J; Porter, J; Posik, M; Pruthi, NK; Przybycien, M; Putschke, J; Qiu, H; Quintero, A; Radhakrishnan, SK; Ramachandran, S; Ray, RL; Reed, R; Ritter, HG; Roberts, JB; Rogachevskiy, OV; Romero, JL; Ruan, L; Rusnak, J; Sahoo, NR; Sako, H; Salur, S; Sandweiss, J; Sato, S; 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; Sikora, R; Simko, M; Singh, J; Singha, S; Smirnov, N; Solyst, W; Sorensen, P; Spinka, HM; Srivastava, B; Stanislaus, TDS; Stefaniak, M; Stewart, DJ; Strikhanov, M; Stringfellow, B; Suaide, AAP; Sumbera, M; Summa, B; Sun, XM; Sun, X; 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, 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, JS; Wang, P; Wang, Y; Wang, Z; Webb, JC; Weidenkaff, PC; 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, Y; 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, S; Zhang, XP; Zhang, Y; Zhang, ZJ; Zhang, Z; Zhao, J; Zhong, C; Zhou, C; Zhu, X; Zhu, Z; Zurek, M; Zyzak, M
2020
Source PublicationJOURNAL OF HIGH ENERGY PHYSICS
ISSN1029-8479
Issue7Pages:-
Subtype期刊论文
AbstractWe report on the measurement of the Central Exclusive Production of charged particle pairs h(+)h(-) (h = pi; K; p) with the STAR detector at RHIC in proton-proton collisions at root s = 200 GeV. The charged particle pairs produced in the reaction pp -> p' + h(+) h(-) + p' are reconstructed from the tracks in the central detector and identified using the specific energy loss and the time of flight method, while the forward-scattered protons are measured in the Roman Pot system. Exclusivity of the event is guaranteed by requiring the transverse momentum balance of all four final-state particles. Differential cross sections are measured as functions of observables related to the central hadronic final state and to the forward-scattered protons. They are measured in a fiducial region corresponding to the acceptance of the STAR detector and determined by the central particles' transverse momenta and pseudorapidities as well as by the forward-scattered protons' momenta. This fiducial region roughly corresponds to the square of the four-momentum transfers at the proton vertices in the range 0:04 GeV2 < -t(1); -t(2) < 0:2 GeV2, invariant masses of the charged particle pairs up to a few GeV and pseudorapidities of the centrallyproduced hadrons in the range vertical bar eta vertical bar < 0:7. The measured cross sections are compared to phenomenological predictions based on the Double Pomeron Exchange (DPE) model. Structures observed in the mass spectra of pi(+)pi(-) and K+K- pairs are consistent with the DPE model, while angular distributions of pions suggest a dominant spin-0 contribution to pi(+)pi(-)production. For pi(+)pi(-) production, the fiducial cross section is extrapolated to the Lorentz-invariant region, which allows decomposition of the invariant mass spectrum into continuum and resonant contributions. The extrapolated cross section is well described by the continuum production and at least three resonances, the f(0) (980), f(2) (1270) and f(0)(1500), with a possible small contribution from the f(0)(1370). Fits to the extrapolated differential cross section as a function of t(1) and t(2) enable extraction of the exponential slope parameters in several bins of the invariant mass of pi(+)pi(-) pairs. These parameters are sensitive to the size of the interaction region.
Keyword2-PHOTON PRODUCTION PION ETA
DOI10.1007/JHEP07(2020)178
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32998
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 NRC, Kurchatov Inst, Moscow 117218, Russia
4.Argonne Natl Lab, Argonne, IL 60439 USA
5.Amer Univ Cairo, New Cairo 11835, 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 Syst Univ Prague, 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 517507, India
24.Indian Inst Technol, Patna 801106, Bihar, India
25.Indiana Univ, Bloomington, IN 47408 USA
26.Inst Modern Phys, Chinese Acad Sciences, Lanzhou 730000, Gansu, Peoples R China
27.Univ Jammu, Jammu 180001, 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.Natl Inst Sci Educ & Res, HBNI, Jatni 752050, India
37.Natl Cheng Kung Univ, Tainan 70101, Taiwan
38.Nucl Phys Inst CAS, Rez 25068, Czech Republic
39.Ohio State Univ, Columbus, OH 43210 USA
40.Inst Nucl Phys PAN, PL-31342 Krakow, Poland (4
41.Panjab Univ, Chandigarh 160014, India
42.Penn State Univ, University Pk, PA 16802 USA
43.NRC Kurchatov Inst, Inst High Energy Phys, Protvino 142281, Russia
44.Purdue Univ, W Lafayette, IN 47907 USA
45.Rice Univ, Houston, TX 77251 USA
46.Rutgers State Univ, Piscataway, NJ 08854 USA
47.Univ Sao Paulo, BR-05314970 Sao Paulo, Brazil
48.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
49.Shandong Univ, Qingdao 266237, Shandong, Peoples R China
50.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai, Shanghai, Peoples R China (5
51.Southern Connecticut State Univ, New Haven, CT 06515 USA
52.SUNY Stony Brook, Stony Brook, NY 11794 USA
53.Univ Tarapaca, Inst Alta Invest, Arica, Chile
54.Temple Univ, Philadelphia, PA 19122 USA
55.Texas A&M Univ, College Stn, TX 77843 USA
56.Univ Texas Austin, Austin, TX 78712 USA
57.Tsinghua Univ, Beijing 100084, Peoples R China
58.Univ Tsukuba, Tsukuba, Ibaraki 3058571, Japan
59.US Naval Acad, Annapolis, MD 21402 USA
60.Valparaiso Univ, Valparaiso, IN 46383 USA (6
61.Variable Energy Cyclotron Centre, Kolkata 700064, India
62.Warsaw Univ Technol, PL-00661 Warsaw, Poland
63.Wayne State Univ, Detroit, MI 48201 USA
64.Yale Univ, New Haven, CT 06520 USA
Recommended Citation
GB/T 7714
Adam, J,Adamczyk, L,Adams, JR,et al. Measurement of the central exclusive production of charged particle pairs in proton-proton collisions at root s=200 GeV with the STAR detector at RHIC[J]. JOURNAL OF HIGH ENERGY PHYSICS,2020(7):-.
APA Adam, J.,Adamczyk, L.,Adams, JR.,Adkins, JK.,Agakishiev, G.,...&Zyzak, M.(2020).Measurement of the central exclusive production of charged particle pairs in proton-proton collisions at root s=200 GeV with the STAR detector at RHIC.JOURNAL OF HIGH ENERGY PHYSICS(7),-.
MLA Adam, J,et al."Measurement of the central exclusive production of charged particle pairs in proton-proton collisions at root s=200 GeV with the STAR detector at RHIC".JOURNAL OF HIGH ENERGY PHYSICS .7(2020):-.
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