ΔφΔη correlations in central Au plus Au collisions at √SNN = 200 GeV

被引:51
作者
Adams, J. [1 ]
Aggarwal, M. M.
Ahammed, Z.
Amonett, J.
Anderson, B. D.
Anderson, M.
Arkhipkin, D.
Averichev, G. S.
Bai, Y.
Balewski, J.
Barannikova, O.
Barnby, L. S.
Baudot, J.
Bekele, S.
Belaga, V. V.
Bellingeri-Laurikainen, A.
Bellwied, R.
Bezverkhny, B. I.
Bharadwaj, S.
Bhasin, A.
Bhati, A. K.
Bichsel, H.
Bielcik, J.
Bielcikova, J.
Bland, L. C.
Blyth, C. O.
Blyth, S. -L.
Bonner, B. E.
Botje, M.
Bouchet, J.
Brandin, A. V.
Bravar, A.
Bystersky, M.
Cadman, R. V.
Cai, X. Z.
Caines, H.
Sanchez, M. Calderon de la Barca
Castillo, J.
Catu, O.
Cebra, D.
Chajecki, Z.
Chaloupka, P.
Chattopadhyay, S.
Chen, H. F.
Chen, J. H.
Chen, Y.
Cheng, J.
Cherney, M.
Chikanian, A.
Choi, H. A.
机构
[1] Univ Birmingham, Birmingham, W Midlands, England
[2] Argonne Natl Lab, Argonne, IL 60439 USA
[3] Brookhaven Natl Lab, Upton, NY 11973 USA
[4] CALTECH, Pasadena, CA 91125 USA
[5] Univ Calif Berkeley, Berkeley, CA 94720 USA
[6] Univ Calif Davis, Davis, CA 95616 USA
[7] Univ Calif Los Angeles, Los Angeles, CA 90095 USA
[8] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA
[9] Creighton Univ, Omaha, NE 68178 USA
[10] Acad Sci Czech Republ, Inst Nucl Phys, CZ-25068 Rez, Czech Republic
[11] JINR, Lab High Energy, Dubna, Russia
[12] JINR, Particle Phys Lab, Dubna, Russia
[13] Goethe Univ Frankfurt, D-6000 Frankfurt, Germany
[14] Inst Phys, Bhubaneswar 751005, Orissa, India
[15] Indian Inst Technol, Bombay 400076, Maharashtra, India
[16] Indiana Univ, Bloomington, IN 47408 USA
[17] Inst Rech Subatom, Strasbourg, France
[18] Univ Jammu, Jammu 180001, India
[19] Kent State Univ, Kent, OH 44242 USA
[20] Inst Modern Phys, Lanzhou, Peoples R China
[21] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
[22] MIT, Cambridge, MA 02139 USA
[23] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany
[24] Michigan State Univ, E Lansing, MI 48824 USA
[25] Moscow Engn Phys Inst, Moscow 115409, Russia
[26] CUNY City Coll, New York, NY 10031 USA
[27] NIKHEF H, NL-1009 DB Amsterdam, Netherlands
[28] Univ Utrecht, Utrecht, Netherlands
[29] Ohio State Univ, Columbus, OH 43210 USA
[30] Panjab Univ, Chandigarh 160014, India
[31] Penn State Univ, University Pk, PA 16802 USA
[32] Inst High Energy Phys, Protvino, Russia
[33] Purdue Univ, W Lafayette, IN 47907 USA
[34] Pusan Natl Univ, Pusan 609735, South Korea
[35] Univ Rajasthan, Jaipur 302004, Rajasthan, India
[36] Rice Univ, Houston, TX 77251 USA
[37] Univ Sao Paulo, Sao Paulo, Brazil
[38] Univ Sci & Technol China, Hefei 230026, Peoples R China
[39] Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
[40] SUBATECH, Nantes, France
[41] Texas A&M Univ, College Stn, TX 77843 USA
[42] Univ Texas, Austin, TX 78712 USA
[43] Tsinghua Univ, Beijing 100084, Peoples R China
[44] Valparaiso Univ, Valparaiso, IN 46383 USA
[45] Ctr Variable Energy Cyclotron, Kolkata 700064, W Bengal, India
[46] Warsaw Univ Technol, Warsaw, Poland
[47] Univ Washington, Seattle, WA 98195 USA
[48] Wayne State Univ, Detroit, MI 48201 USA
[49] HZNU, CCNU, Inst Particle Phys, Wuhan 430079, Peoples R China
[50] Yale Univ, New Haven, CT 06520 USA
来源
PHYSICAL REVIEW C | 2007年 / 75卷 / 03期
关键词
D O I
10.1103/PhysRevC.75.034901
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
We report charged particle pair correlation analyses in the space of Delta phi (azimuth) and Delta eta (pseudorapidity), for central Au+Au collisions at root s(NN)=200 GeV in the STAR detector. The analysis involves unlike-sign charged pairs and like-sign charged pairs, which are transformed into charge-dependent (CD) signals and charge-independent (CI) signals. We present detailed parametrizations of the data. A model featuring dense gluonic hot spots as first proposed by Van Hove predicts that the observables under investigation would have sensitivity to such a substructure should it occur, and the model also motivates selection of transverse momenta in the range 0.8 < p(t)< 2.0 GeV/c. Both CD and CI correlations of high statistical significance are observed, and possible interpretations are discussed.
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页数:14
相关论文
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