PERTURBATIVE QCD EFFECTS OBSERVED IN 490 GEV DEEP-INELASTIC MUON SCATTERING

被引：52

作者：

ADAMS, MR

AID, S

ANTHONY, PL

BAKER, MD

BARTLETT, J

BHATTI, AA

BRAUN, HM

BUSZA, W

CONRAD, JM

COUTRAKON, G

DAVISSON, R

DERADO, I

DHAWAN, SK

DOUGHERTY, W

DREYER, T

DZIUNIKOWSKA, K

ECKARDT, V

ECKER, U

ERDMANN, M

ESKREYS, A

FIGIEL, J

GEBAUER, HJ

GEESAMAN, DF

GILMAN, R

GREEN, MC

HAAS, J

HALLIWELL, C

HANLON, J

HANTKE, D

HUGHES, VW

JACKSON, HE

JAFFE, DE

JANCSO, G

JANSEN, DM

KAUFMAN, S

KENNEDY, RD

KIRK, T

KOBRAK, HGE

KRZYWDZINSKI, S

KUNORI, S

LORD, JJ

LUBATTI, HJ

MCLEOD, D

MAGILL, S

MALECKI, P

MANZ, A

MELANSON, H

MICHAEL, DG

MOHR, W

MONTGOMERY, HE

机构：

[1] UNIV FREIBURG, W-7800 FREIBURG, GERMANY

[2] ARGONNE NATL LAB, ARGONNE, IL USA

[3] UNIV CALIF SAN DIEGO, SAN DIEGO, CA 92093 USA

[4] FERMILAB NATL ACCELERATOR LAB, BATAVIA, IL 60510 USA

[5] HARVARD UNIV, CAMBRIDGE, MA 02138 USA

[6] AGH UNIV SCI & TECHNOL, INST NUCL PHYS, KRAKOW, POLAND

[7] UNIV MARYLAND, COLL PK, MD 20742 USA

[8] MIT, CAMBRIDGE, MA 02139 USA

[9] MAX PLANCK INST PHYS & ASTROPHYS, W-8000 MUNICH 40, GERMANY

[10] NORTHWESTERN UNIV, EVANSTON, IL 60208 USA

[11] UNIV WASHINGTON, SEATTLE, WA 98195 USA

[12] UNIV GESAMTHSCH WUPPERTAL, W-5600 WUPPERTAL, GERMANY

[13] YALE UNIV, NEW HAVEN, CT 06511 USA

来源：

PHYSICAL REVIEW D | 1993年 / 48卷 / 11期

关键词：

D O I：

10.1103/PhysRevD.48.5057

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Results on forward charged hadrons in 490 GeV deep-inelastic muon scattering are presented. The transverse momenta, azimuthal asymmetry, and energy flow of events with four or more forward charged hadrons are studied. The range of the invariant hadronic mass squared 300<W-2<900 GeV2/c(4) extends higher than previous deep-inelastic muon scattering experiments. Data are compared to the predictions of the Lund Monte Carlo model with perturbative QCD simulated by matrix elements, parton showers, and color dipole radiation. All of the QCD-based models are consistent with the data while a model without QCD processes is not. Correlations with the multiplicity-independent went variable Pi similar or equal to Sigma\p(T)\ are studied. The relationship between the azimuthal asymmetry and transverse momentum of forward hadrons is also presented. The data are most consistent with intrinsic parton transverse momentum squared k(T)(2) of 0.25 GeV2/c(2).

引用

页码：5057 / 5066

页数：10

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