SCALING VIOLATIONS OF THE PROTON STRUCTURE-FUNCTION F2 AT SMALL X

被引:32
作者
ABT, I
AHMED, T
ANDREEV, V
ANDRIEU, B
APPUHN, RD
ARPAGAUS, M
BABAEV, A
BARWOLFF, H
BAN, J
BARANOV, P
BARRELET, E
BARTEL, W
BASSLER, U
BECK, HP
BEHREND, HJ
BELOUSOV, A
BERGER, C
BERGSTEIN, H
BERNARDI, G
BERNET, R
BERTRANDCOREMANS, G
BESANCON, M
BIDDULPH, P
BINDER, E
BISCHOFF, A
BIZOT, JC
BLOBEL, V
BORRAS, K
BOSETTI, PC
BOUDRY, V
BOURDARIOS, C
BRASSE, F
BRAUN, U
BRAUNSCHWEIG, W
BRUNCKO, D
BUNGENER, L
BURGER, J
BUSSER, FW
BUNIATIAN, A
BURKE, S
BUSCHHORN, G
CAMPBELL, AJ
CARLI, T
CHARLES, F
CLARKE, D
CLEGG, AB
COLOMBO, M
COUGHLAN, JA
COURAU, A
COUTURES, C
机构
[1] RHEIN WESTFAL TH AACHEN,INST PHYS 1,AACHEN,GERMANY
[2] RHEIN WESTFAL TH AACHEN,INST PHYS 3,AACHEN,GERMANY
[3] UNIV BIRMINGHAM,SCH PHYS & SPACE RES,BIRMINGHAM B15 2TT,W MIDLANDS,ENGLAND
[4] VUB,ULB,INTERUNIV INST HIGH ENERGIES,BRUSSELS,BELGIUM
[5] RUTHERFORD APPLETON LAB,DIDCOT OX11 0QX,OXON,ENGLAND
[6] INST NUCL PHYS,KRAKOW,POLAND
[7] UNIV CALIF DAVIS,IIRPA,DAVIS,CA
[8] UNIV DORTMUND,INST PHYS,W-4600 DORTMUND,GERMANY
[9] CTR ETUD SACLAY,DAPNIA,GIF SUR YVETTE,FRANCE
[10] UNIV GLASGOW,DEPT PHYS & ASTRON,GLASGOW,SCOTLAND
[11] DESY,W-2000 HAMBURG,GERMANY
[12] UNIV HAMBURG,INST EXPTL PHYS 1,HAMBURG,GERMANY
[13] UNIV HAMBURG,INST EXPTL PHYS 2,W-2000 HAMBURG,GERMANY
[14] UNIV HEIDELBERG,INST PHYS,W-6900 HEIDELBERG,GERMANY
[15] UNIV HEIDELBERG,INST HOCHENERGIEPHYS,HEIDELBERG,GERMANY
[16] CHRISTIAN ALBRECHTS UNIV KIEL,INST REINE & ANGEW KERNPHYS,W-2300 KIEL,GERMANY
[17] SLOVAK ACAD SCI,INST EXPTL PHYS,CS-04353 KOSICE,SLOVAKIA
[18] UNIV LANCASTER,SCH PHYS & MAT,LANCASTER,LANCS,ENGLAND
[19] UNIV LIVERPOOL,DEPT PHYS,LIVERPOOL L69 3BX,ENGLAND
[20] QUEEN MARY & WESTFIELD COLL,LONDON E1 4NS,ENGLAND
[21] LUND UNIV,DEPT PHYS,LUND,SWEDEN
[22] UNIV MANCHESTER,DEPT PHYS,MANCHESTER M13 9PL,LANCS,ENGLAND
[23] INST THEORET & EXPTL PHYS,MOSCOW,RUSSIA
[24] PN LEBEDEV PHYS INST,MOSCOW 117924,RUSSIA
[25] MAX PLANCK INST PHYS & ASTROPHYS,MUNICH,GERMANY
[26] UNIV PARIS 11,IN2P3,CNRS,LAL,ORSAY,FRANCE
[27] ECOLE POLYTECH,IN2P3,CNRS,LPNHE,PALAISEAU,FRANCE
[28] UNIV PARIS 06,IN2P3,CNRS,LPNHE,PARIS,FRANCE
[29] UNIV PARIS 07,IN2P3,CNRS,LPNHE,PARIS,FRANCE
[30] CZECHOSLOVAK ACAD SCI,INST PHYS,PRAGUE,CZECH REPUBLIC
[31] CHARLES UNIV,CTR NUCL,PRAGUE,CZECH REPUBLIC
[32] INFN,ROME,ITALY
[33] UNIV ROMA LA SAPIENZA,DIPARTIMENTO FIS,I-00185 ROME,ITALY
[34] BERG UNIV GESAMTHSCH WUPPERTAL,FACHBEREICH PHYS,WUPPERTAL,GERMANY
[35] DESY,INST HOCHENERGIEPHYS,ZEUTHEN,GERMANY
[36] ETH,INST TEILCHENPHYS,ZURICH,SWITZERLAND
[37] UNIV ZURICH,INST PHYS CHEM,CH-8057 ZURICH,SWITZERLAND
[38] STANFORD LINEAR ACCELERATOR CTR,STANFORD,CA
关键词
D O I
10.1016/0370-2693(94)90344-1
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
An analysis is presented of scaling violations of the proton structure function F-2(x, Q(2)) measured with the Hl detector at HERA in the range of Bjorken x values between x = 3 x 10(-4) and 10(-2) for four-momentum transfers Q(2) larger than 8.7 GeV2. The structure function F-2 (X, Q(2)) is observed to rise linearly with In Q(2). Under the assumption that the observed scaling violations at small x less than or equal to 0.01 are described correctly by perturbative QCD, an estimate is obtained of the gluon distribution function G(x, Q(o)(2)) at Q(o)(2) = 20 GeV2
引用
收藏
页码:161 / 167
页数:7
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