DETERMINATION OF THE STRONG-COUPLING CONSTANT FROM JET RATES IN DEEP-INELASTIC SCATTERING

被引：39

作者：

AHMED, T

AID, S

ANDREEV, V

ANDRIEU, B

APPUHN, RD

ARPAGAUS, M

BABAEV, A

BAEHR, J

BAN, J

BARANOV, P

BARRELET, E

BARTEL, W

BARTH, M

BASSLER, U

BECK, HP

BEHREND, HJ

BELOUSOV, A

BERGER, C

BERGSTEIN, H

BERNARDI, G

BERNET, R

BERTRANDCOREMANS, G

BESANCON, M

BEYER, R

BIDDULPH, P

BIZOT, JC

BLOBEL, V

BORRAS, K

BOTTERWECK, F

BOUDRY, V

BRAEMER, A

BRASSE, F

BRAUNSCHWEIG, W

BRISSON, V

BRUNCKO, D

BRUNE, C

BUCHHOLZ, R

BUNGENER, L

BURGER, J

BUSSER, FW

BUNIATIAN, A

BURKE, S

BUSCHHORN, G

CAMPBELL, AJ

CARLI, T

CHARLES, F

CLARKE, D

CLEGG, AB

CLERBAUX, B

COLOMBO, M

机构：

[1] RHEIN WESTFAL TH AACHEN,INST PHYS 1,W-5100 AACHEN,GERMANY

[2] RHEIN WESTFAL TH AACHEN,INST PHYS 3,W-5100 AACHEN,GERMANY

[3] FREE UNIV BRUSSELS,INTERUNIV INST HIGH ENERGIES,BRUSSELS,BELGIUM

[4] UNIV INSTELLING ANTWERP,B-2610 WILRIJK,BELGIUM

[5] RUTHERFORD APPLETON LAB,DIDCOT OX11 0QX,OXON,ENGLAND

[6] INST NUCL PHYS,KRAKOW,POLAND

[7] UNIV CALIF DAVIS,DEPT PHYS,DAVIS,CA 95616

[8] UNIV CALIF DAVIS,IIRPA,DAVIS,CA

[9] UNIV DORTMUND,INST PHYS,W-4600 DORTMUND,GERMANY

[10] CEA,DSM,DAPNIA,GIF SUR YVETTE,FRANCE

[11] UNIV GLASGOW,DEPT PHYS & ASTRON,GLASGOW,LANARK,SCOTLAND

[12] DESY,W-2000 HAMBURG,GERMANY

[13] UNIV HAMBURG,INST EXPTL PHYS 2,W-2000 HAMBURG,GERMANY

[14] UNIV HEIDELBERG,INST HOCHENERGIEPHYS,HEIDELBERG,GERMANY

[15] CHRISTIAN ALBRECHTS UNIV KIEL,INST REINE & ANGEW KERNPHYS,W-2300 KIEL,GERMANY

[16] SLOVAK ACAD SCI,INST EXPTL PHYS,KOSICE 04353,SLOVAKIA

[17] UNIV LANCASTER,SCH PHYS & MAT,LANCASTER,ENGLAND

[18] UNIV LIVERPOOL,DEPT PHYS,LIVERPOOL L69 3BX,MERSEYSIDE,ENGLAND

[19] UNIV LONDON QUEEN MARY & WESTFIELD COLL,LONDON E1 4NS,ENGLAND

[20] LUND UNIV,DEPT PHYS,LUND,SWEDEN

[21] UNIV MANCHESTER,DEPT PHYS,MANCHESTER M13 9PL,LANCS,ENGLAND

[22] MOSCOW THEORET & EXPTL PHYS INST,MOSCOW 117259,RUSSIA

[23] PN LEBEDEV PHYS INST,MOSCOW 117924,RUSSIA

[24] UNIV AIX MARSEILLE 2,IN2P3,CNRS,CPPM,MARSEILLE,FRANCE

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

[26] UNIV PARIS 11,IN2P3,CNRS,LAL,ORSAY,FRANCE

[27] ECOLE POLYTECH,IN2P3,CNRS,LPNHE,PALAISEAU,FRANCE

[28] UNIV PARIS 06,LPNHE,PARIS,FRANCE

[29] UNIV PARIS 07,IN2P3,CNRS,PARIS,FRANCE

[30] ACAD SCI CZECH REPUBL,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] PAUL SCHERRER INST,VILLIGEN,SWITZERLAND

[35] BERG UNIV GESAMTHSCH WUPPERTAL,FACHBEREICH PHYS,W-5600 WUPPERTAL,GERMANY

[36] DESY,INST HOCHENERGIEPHYS,ZEUTHEN,GERMANY

[37] ETH ZURICH,INST TEILCHENPHYS,ZURICH,SWITZERLAND

[38] UNIV ZURICH,INST PHYS,ZURICH,SWITZERLAND

[39] STANFORD LINEAR ACCELERATOR CTR,STANFORD,CA 94309

来源：

PHYSICS LETTERS B | 1995年 / 346卷 / 3-4期

关键词：

D O I：

10.1016/0370-2693(95)00095-3

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Jet rates in deep inelastic electron proton scattering are studied with the H1 detector at HERA for momentum transfers squared between 10 and 4000 GeV2. It is shown that they can be quantitatively described by perturbative QCD in next to leading order making use of the parton densities of the proton and with the strong coupling constant alpha(s) as a free parameter. The measured value, alpha( )(M(Z)(2)) = 0.123 +/- 0.018, is in agreement both with determinations from e(+)e(-) annihilation at LEP The using the same observable and with the world average.

引用

页码：415 / 425

页数：11

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