Event-by-event fluctuations in mean pT and mean eT in √sNN=130 GeVAu+Au collisions -: art. no. 024901

被引：87

作者：

Adcox, K ^{[1
]}

Adler, SS

Ajitanand, NN

Akiba, Y

Alexander, J

Aphecetche, L

Arai, Y

Aronson, SH

Averbeck, R

Awes, TC

Barish, KN

Barnes, PD

Barrette, J

Bassalleck, B

Bathe, S

Baublis, V

Bazilevsky, A

Belikov, S

Bellaiche, FG

Belyaev, ST

Bennett, MJ

Berdnikov, Y

Botelho, S

Brooks, ML

Brown, DS

Bruner, N

Bucher, D

Buesching, H

Bumazhnov, V

Bunce, G

Burward-Hoy, J

Butsyk, S

Carey, TA

Chand, P

Chang, J

Chang, WC

Chavez, LL

Chernichenko, S

Chi, CY

Chiba, J

Chiu, M

Choudhury, RK

Christ, T

Chujo, T

Chung, MS

Chung, P

Cianciolo, V

Cole, BA

D'Enterria, DG

David, G

机构：

[1] KFFI Res Inst Particle & Nucl Phys RMKI, Budapest, Hungary

[2] Acad Sinica, Inst Phys, Taipei 11529, Taiwan

[3] Bhabha Atom Res Ctr, Bombay 400085, Maharashtra, India

[4] Brookhaven Natl Lab, Upton, NY 11973 USA

[5] Banaras Hindu Univ, Dept Phys, Varanasi 221005, Uttar Pradesh, India

[6] Univ Calif Riverside, Riverside, CA 92521 USA

[7] China Inst Atom Energy, Beijing, Peoples R China

[8] Univ Tokyo, Ctr Nucl Study, Grad Sch Sci, Bunkyo Ku, Tokyo 1130033, Japan

[9] Columbia Univ, New York, NY 10027 USA

[10] Nevis Labs, Irvington, NY 10533 USA

[11] Florida State Univ, Tallahassee, FL 32306 USA

[12] Georgia State Univ, Atlanta, GA 30303 USA

[13] Hiroshima Univ, Higashihiroshima 7398526, Japan

[14] Inst High Energy Phys, Protvino, Russia

[15] Iowa State Univ Sci & Technol, Ames, IA 50011 USA

[16] Natl Lab High Energy Phys, KEK, High Energy Accelerator Res Org, Tsukuba, Ibaraki 3050801, Japan

[17] Korea Univ, Seoul 136701, South Korea

[18] Kurchatov Inst, Russian Res Ctr, Moscow, Russia

[19] Kyoto Univ, Kyoto 606, Japan

[20] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

[21] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

[22] Lund Univ, Dept Phys, SE-22100 Lund, Sweden

[23] McGill Univ, Montreal, PQ H3A 2T8, Canada

[24] Myongji Univ, Yongin 449728, Kyonggido, South Korea

[25] Nagasaki Inst Appl Sci, Nagasaki 8510193, Japan

[26] Univ New Mexico, Albuquerque, NM 87131 USA

[27] New Mexico State Univ, Las Cruces, NM 88003 USA

[28] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA

[29] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA

[30] Petersburg Nucl Phys Inst, Gatchina, Russia

[31] RIKEN, Wako, Saitama 3510198, Japan

[32] Brookhaven Natl Lab, RIKEN BNL Res Ctr, Upton, NY 11973 USA

[33] Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, Brazil

[34] Univ Nantes, SUBATECH, Ecole Mines Nantes, IN2P3,CNRS, F-44307 Nantes 3, France

[35] St Petersburg State Tech Univ, St Petersburg, Russia

[36] Univ Tennessee, Knoxville, TN 37996 USA

[37] Tokyo Inst Technol, Dept Phys, Tokyo 1528551, Japan

[38] Univ Tokyo, Tokyo, Japan

[39] Vanderbilt Univ, Nashville, TN 37235 USA

[40] Waseda Univ, Adv Res Inst Sci & Engn, Shinjuku Ku, Tokyo 1620044, Japan

[41] Weizmann Inst Sci, IL-76100 Rehovot, Israel

[42] Yonsei Univ, IPAP, Seoul 120749, South Korea

[43] Univ Munster, Inst Kernphys, D-48149 Munster, Germany

[44] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA

[45] Univ Tsukuba, Inst Phys, Tsukuba, Ibaraki 305, Japan

来源：

PHYSICAL REVIEW C | 2002年 / 66卷 / 02期

关键词：

D O I：

10.1103/PhysRevC.66.024901

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：

Distributions of event-by-event fluctuations of the mean transverse momentum and mean transverse energy near mid-rapidity have been measured in Au+Au collisions at roots(NN)=130 GeV at the Relativistic Heavy-Ion Collider. By comparing the distributions to what is expected for statistically independent particle emission, the magnitude of nonstatistical fluctuations in mean transverse momentum is determined to be consistent with zero. Also, no significant nonrandom fluctuations in mean transverse energy are observed. By constructing a fluctuation model with two event classes that preserve the mean and variance of the semi-inclusive p(T) or e(T) spectra, we exclude a region of fluctuations in roots(NN)=130 GeV Au+Au collisions.

引用

页数：10

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