THE RATIO F2(N)/F2(P) IN DEEP INELASTIC MUON SCATTERING

被引：128

作者：

AMAUDRUZ, P

ARNEODO, M

ARVIDSON, A

BADELEK, B

BAUM, G

BEAUFAYS, J

BIRD, IG

BOTJE, M

BROGGINI, C

BRUCKNER, W

BRULL, A

BURGER, WJ

CIBOROWSKI, J

VANDANTZIG, R

DOBBELING, H

DOMINGO, J

DRINKARD, J

ENGELIEN, H

FERRERO, MI

FLURI, L

GRAFSTROM, P

VONHARRACH, D

VANDERHEIJDEN, M

HEUSCH, C

INGRAM, Q

JANSON, K

DEJONG, M

KABUSS, EM

KAISER, R

KETEL, TJ

KLEIN, F

KORZEN, B

KRUNER, U

KULLANDER, S

LANDGRAF, U

LETTENSTROM, F

LINDQVIST, T

MALLOT, GK

MARIOTTI, C

VANMIDDELKOOP, G

MILSZTAJN, A

MIZUNO, Y

NASSALSKI, J

NOWOTNY, D

PAVEL, N

PERONI, C

PESCHEL, H

POVH, B

RIEGER, R

RITH, K

机构：

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

[2] MAX PLANCK INST NUCL PHYS,W-6900 HEIDELBERG 1,GERMANY

[3] UNIV HEIDELBERG,W-6900 HEIDELBERG,GERMANY

[4] UNIV MAINZ,INST KERNPHYS,W-6500 MAINZ,GERMANY

[5] UNIV MONS,FAC SCI,B-7000 MONS,BELGIUM

[6] UNIV NEUCHATEL,CH-2000 NEUCHATEL,SWITZERLAND

[7] NIKHEFK,1009 AJ AMSTERDAM,NETHERLANDS

[8] UNIV OXFORD,NUCL PHYS LAB,OXFORD OX1 3RH,ENGLAND

[9] CENS,DAPHPE,SEPH,F-91191 GIF SUR YVETTE,FRANCE

[10] UNIV CALIF SANTA CRUZ,INST PARTICLE PHYS,SANTA CRUZ,CA 95064

[11] PAUL SCHERRER INST,CH-5234 VILLIGEN,SWITZERLAND

[12] UNIV TURIN,IST FIS,I-10125 TURIN,ITALY

[13] UNIV UPPSALA,DEPT RADIAT SCI,S-75121 UPPSALA,SWEDEN

[14] UNIV WARSAW,PL-00681 WARSAW,POLAND

[15] INST NUCL STUDIES,PL-00681 WARSAW,POLAND

[16] UNIV WUPPERTAL,DEPT PHYS,W-5600 WUPPERTAL,GERMANY

来源：

NUCLEAR PHYSICS B | 1992年 / 371卷 / 1-2期

关键词：

D O I：

10.1016/0550-3213(92)90227-3

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

Results are presented on the ratio of neutron and proton structure functions, F2n/F2p, deduced from deep inelastic scattering of muons from hydrogen and deuterium. The data, which were obtained at the CERN muon beam at 90 and 280 GeV incident energy, cover the kinematic range x = 0.002-0.80 and Q2 = 0.1-190 GeV2. The measured structure function ratios have small statistical and systematic errors, particularly at small and intermediate x. The observed Q2 dependence in the range x = 0.1-0.4 is stronger than predicted by perturbative QCD. From the present data together with results from other experiments it is suggested that the twist-four coefficient for the proton is smaller than that for the neutron for x larger than 0.2.

引用

页码：3 / 31

页数：29

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