J/ψ production from proton-proton collisions at √s=200 GeV -: art. no. 051802

被引：49

作者：

Adler, SS ^{[1
]}

Afanasiev, S

Aidala, C

Ajitanand, NN

Akiba, Y

Alexander, J

Amirikas, R

Aphecetche, L

Aronson, SH

Averbeck, R

Awes, TC

Azmoun, R

Babintsev, V

Baldisseri, A

Barish, KN

Barnes, PD

Bassalleck, B

Bathe, S

Batsouli, S

Baublis, V

Bazilevsky, A

Belikov, S

Berdnikov, Y

Bhagavatula, S

Boissevain, JG

Borel, H

Borenstein, S

Brooks, ML

Brown, DS

Bruner, N

Bucher, D

Buesching, H

Bumazhnov, V

Bunce, G

Burward-Hoy, JM

Butsyk, S

Camard, X

Chai, JS

Chand, P

Chang, WC

Chernichenko, S

Chi, CY

Chiba, J

Chiu, M

Choi, IJ

Choi, J

Choudhury, RK

Chujo, T

Cianciolo, V

Cobigo, Y

机构：

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

[2] Abilene Christian Univ, Abilene, TX 79699 USA

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

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

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

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

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

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

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

[10] Nevis Labs, Irvington, NY 10533 USA

[11] CEA Saclay, Dapnia, F-91191 Gif Sur Yvette, France

[12] Univ Debrecen, H-4010 Debrecen, Hungary

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

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

[15] Hiroshima Univ, Higashihiroshima 7398526, Japan

[16] Inst High Energy Phys, Protvino, Russia

[17] Iowa State Univ, Ames, IA 50011 USA

[18] Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia

[19] KAERI, Cyclotron Applicat Lab, Seoul, South Korea

[20] Kangnung Natl Univ, Kangnung 210702, South Korea

[21] High Energy Accelerator Res Org, KEK, Tsukuba, Ibaraki 3050801, Japan

[22] KFKI Res Inst Particle & Nucl Phys, H-1525 Budapest 114, Hungary

[23] Korea Univ, Seoul 136701, South Korea

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

[25] Kyoto Univ, Kyoto 606, Japan

[26] Ecole Polytech, Lab Leprince Ringuet, CNRS, IN2P3, F-91128 Palaiseau, France

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

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

[29] Univ Clermont Ferrand, LPC, CNRS, IN2P3, F-63177 Aubiere, France

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

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

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

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

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

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

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

[37] Univ Paris 11, IPN Orsay, CNRS, IN2P3, F-91406 Orsay, France

[38] Petersburg Nucl Phys Inst, Gatchina, Russia

[39] Inst Phys & Chem Res, Wako, Saitama 3510198, Japan

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

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

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

[43] Seoul Natl Univ, Syst Elect Lab, Seoul, South Korea

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

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

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

[47] Univ Tennessee, Knoxville, TN 37996 USA

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

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

[50] Vanderbilt Univ, Nashville, TN 37235 USA

来源：

PHYSICAL REVIEW LETTERS | 2004年 / 92卷 / 05期

关键词：

D O I：

10.1103/PhysRevLett.92.051802

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

J/psi production has been measured in proton-proton collisions at roots=200 GeV over a wide rapidity and transverse momentum range by the PHENIX experiment at the Relativistic Heavy Ion Collider. Distributions of the rapidity and transverse momentum, along with measurements of the mean transverse momentum and total production cross section are presented and compared to available theoretical calculations. The total J/psi cross section is 4.0+/-0.6(stat)+/-0.6(syst)+/-0.4(abs) mub. The mean transverse momentum is 1.80+/-0.23(stat)+/-0.16(syst) GeV/c.

引用

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