Direct observation of dijets in central Au plus Au collisions at √sNN=200 GeV

被引：181

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.

Bhardwaj, 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 B15 2TT, 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 Republic, Inst Nucl Phys, CZ-25068 Rez, Czech Republic

[11] Lab High Energy, JINR, Dubna, Russia

[12] Particle Phys Lab, JINR, 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] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA

[22] MIT, Cambridge, MA 02139 USA

[23] Max Planck Inst Phys & Astrophys, Munich, Germany

[24] Michigan State Univ, E Lansing, MI 48824 USA

[25] Moscow Phys Engn Inst, Moscow, Russia

[26] CUNY City Coll, New York, NY 10031 USA

[27] NIKHEF H, NL-1009 DB Amsterdam, Netherlands

[28] Univ Utrecht, Amsterdam, 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, BR-05508 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] Bhabha Atom Res Ctr, 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] CCNU, HZNU, Inst Particle Phys, Wuhan 430079, Peoples R China

[50] Yale Univ, New Haven, CT 06520 USA

来源：

PHYSICAL REVIEW LETTERS | 2006年 / 97卷 / 16期

关键词：

D O I：

10.1103/PhysRevLett.97.162301

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The STAR Collaboration at the Relativistic Heavy Ion Collider reports measurements of azimuthal correlations of high transverse momentum (p(T)) charged hadrons in Au+Au collisions at higher p(T) than reported previously. As p(T) is increased, a narrow, back-to-back peak emerges above the decreasing background, providing a clear dijet signal for all collision centralities studied. Using these correlations, we perform a systematic study of dijet production and suppression in nuclear collisions, providing new constraints on the mechanisms underlying partonic energy loss in dense matter.

引用

页数：6

共 36 条

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