Charged-particle multiplicity p(p)over-bar collisions at √s=1.8 TeV -: art. no. 211804

被引：16

作者：

Affolder, T ^{[1
]}

Akimoto, H

Akopian, A

Albrow, MG

Amaral, P

Amidei, D

Anikeev, K

Antos, J

Apollinari, G

Arisawa, T

Artikov, A

Asakawa, T

Ashmanskas, W

Azfar, F

Azzi-Bacchetta, P

Bacchetta, N

Bachacou, H

Bailey, S

de Barbaro, P

Barbaro-Galtieri, A

Barnes, VE

Barnett, BA

Baroiant, S

Barone, M

Bauer, G

Bedeschi, F

Belforte, S

Bell, WH

Bellettini, G

Bellinger, J

Benjamin, D

Bensinger, J

Beretvas, A

Berge, JP

Berryhill, J

Bhatti, A

Binkley, M

Bisello, D

Bishai, M

Blair, RE

Blocker, C

Bloom, K

Blumenfeld, B

Blusk, SR

Bocci, A

Bodek, A

Bokhari, W

Bolla, G

Bonushkin, Y

Bortoletto, D

机构：

[1] Ernest Orlando Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

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

[3] Argonne Natl Lab, Argonne, IL 60439 USA

[4] Univ Bologna, Ist Nazl Fis Nucl, I-40127 Bologna, Italy

[5] Brandeis Univ, Waltham, MA 02254 USA

[6] Univ Calif Davis, Davis, CA 95616 USA

[7] Univ Calif Los Angeles, Los Angeles, CA 90024 USA

[8] Univ Cantabria, CSIC, Inst Fis Cantabria, E-39005 Santander, Spain

[9] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA

[10] Joint Nucl Res Inst, RU-141980 Dubna, Russia

[11] Duke Univ, Durham, NC 27708 USA

[12] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

[13] Univ Florida, Gainesville, FL 32611 USA

[14] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[15] Univ Geneva, CH-1211 Geneva 4, Switzerland

[16] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland

[17] Harvard Univ, Cambridge, MA 02138 USA

[18] Hiroshima Univ, Higashihiroshima 724, Japan

[19] Univ Illinois, Urbana, IL 61801 USA

[20] Johns Hopkins Univ, Baltimore, MD 21218 USA

[21] Univ Karlsruhe, Inst Expt Kernphys, D-76128 Karlsruhe, Germany

[22] Kyungpook Natl Univ, Ctr High Energy Phys, Taegu 702701, South Korea

[23] Seoul Natl Univ, Seoul 151742, South Korea

[24] Sungkyunkwan Univ, Suwon 440746, South Korea

[25] KEK, High Energy Accelerator Res Org, Tsukuba, Ibaraki 305, Japan

[26] MIT, Cambridge, MA 02139 USA

[27] Univ Michigan, Ann Arbor, MI 48109 USA

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

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

[30] Ohio State Univ, Columbus, OH 43210 USA

[31] Osaka City Univ, Osaka 588, Japan

[32] Univ Oxford, Oxford OX1 3RH, England

[33] Univ Padua, Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy

[34] Univ Penn, Philadelphia, PA 19104 USA

[35] Univ Pisa, Ist Nazl Fis Nucl, I-56100 Pisa, Italy

[36] Scuola Normale Super Pisa, I-56100 Pisa, Italy

[37] Univ Pittsburgh, Pittsburgh, PA 15260 USA

[38] Purdue Univ, W Lafayette, IN 47907 USA

[39] Univ Rochester, Rochester, NY 14627 USA

[40] Rockefeller Univ, New York, NY 10021 USA

[41] Rutgers State Univ, Piscataway, NJ 08855 USA

[42] Texas A&M Univ, College Stn, TX 77843 USA

[43] Texas Tech Univ, Lubbock, TX 79409 USA

[44] Univ Toronto, Inst Particle Phys, Toronto, ON M5S 1A7, Canada

[45] Univ Trieste, Ist Nazl Fis Nucl, Udine, Italy

[46] Univ Tsukuba, Tsukuba, Ibaraki 305, Japan

[47] Tufts Univ, Medford, MA 02155 USA

[48] Waseda Univ, Tokyo 169, Japan

[49] Univ Wisconsin, Madison, WI 53706 USA

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

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 87卷 / 21期

关键词：

D O I：

10.1103/PhysRevLett.87.211804

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report on a measurement of the mean charged-particle multiplicity of jets in dijet events with dijet masses in the range 80-630 GeV/c(2), produced at the Tevatron in p(p) over bar collisions with roots = 1.8 TeV and recorded by the Collider Detector at Fermilab. The data are fit to perturbative-QCD calculations carried out in the framework of the modified leading log approximation and the hypothesis of local parton-hadron duality. The fit yields values for two parameters in that framework: the ratio of parton multiplicities in gluon and quark jets, r = N-partons(g-jet)/N-partons(q-jet) = 1.7 +/- 0.3, and the ratio of the number of charged hadrons to the number of partons in a jet, K-LPHD(charged) = N-hadrons(charged)/N-partons = 0.57 +/-

引用

页数：6

共 50 条

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Acosta, D
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Bacchetta, N
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Badgett, W
Barbaro-Galtieri, A
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Bedeschi, F
Behari, S
Belforte, S
Bell, WH
Bellettini, G
Bellinger, J
Benjamin, D
Beretvas, A
Bhatti, A
Binkley, M
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Bartlett, JF
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Beaudette, F
Begel, M
Belyaev, A
Beri, SB
Bernardi, G
Bertram, I
Besson, A
Beuselinck, R
Bezzubov, VA
Bhat, PC
Bhatnagar, V
Bhattacharjee, M
Blazey, G
Blekman, F
Blessing, S
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