Next-to-leading order QCD analysis of polarized deep inelastic scattering data

被引：151

作者：

Abe, K

Akagi, T

Anderson, BD

Anthony, PL

Arnold, RG

Averett, T

Band, HR

Berisso, CM

Bogorad, P

Borel, H

Bosted, PE

Breton, V

Buenerd, MJ

Cates, GD

Chupp, TE

Churchwell, S

Coulter, KP

Daoudi, M

Decowski, P

Erickson, R

Fellbaum, JN

Fonvieille, H

Gearhart, R

Ghazikhanian, V

Griffioen, KA

Hicks, RS

Holmes, R

Hughes, EW

Igo, G

Incerti, S

Johnson, JR

Kahl, W

Khayat, M

Kolomensky, YG

Kuhn, SE

Kumar, K

Kuriki, M

LombardNelsen, R

Manley, DM

Marroncle, J

Maruyama, T

Marvin, T

Meyer, W

Meziani, ZE

Miller, D

Mitchell, G

Olson, M

Peterson, GA

Petratos, GG

Pitthan, R

机构：

[1] UNIV CLERMONT FERRAND,LPC IN2P3,CNRS,F-63170 AUBIERE,FRANCE

[2] UNIV CALIF BERKELEY,BERKELEY,CA 94720

[3] UNIV CALIF LOS ANGELES,LOS ANGELES,CA 90024

[4] CALTECH,PASADENA,CA 91125

[5] CEA SACLAY,DAPNIA,SPHN,F-91191 GIF SUR YVETTE,FRANCE

[6] KENT STATE UNIV,KENT,OH 44242

[7] UNIV MASSACHUSETTS,AMHERST,MA 01003

[8] UNIV MICHIGAN,ANN ARBOR,MI 48109

[9] NIST,GAITHERSBURG,MD 20899

[10] NORTHWESTERN UNIV,EVANSTON,IL 60201

[11] OLD DOMINION UNIV,NORFOLK,VA 23529

[12] UNIV PENN,PHILADELPHIA,PA 19104

[13] PRINCETON UNIV,PRINCETON,NJ 08544

[14] SMITH COLL,NORTHAMPTON,MA 01063

[15] SO OREGON STATE COLL,ASHLAND,OR 97520

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

[17] SYRACUSE UNIV,SYRACUSE,NY 13210

[18] TEMPLE UNIV,PHILADELPHIA,PA 19122

[19] TOHOKU UNIV,SENDAI,MIYAGI 980,JAPAN

[20] COLL WILLIAM & MARY,WILLIAMSBURG,VA 23187

[21] UNIV WISCONSIN,MADISON,WI 53706

[22] INST NUCL SCI,IN2P3,CNRS,F-38026 GRENOBLE,FRANCE

[23] RUHR UNIV BOCHUM,D-44780 BOCHUM,GERMANY

来源：

PHYSICS LETTERS B | 1997年 / 405卷 / 1-2期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/S0370-2693(97)00641-2

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a next-to-leading order perturbative QCD analysis of world data on the spin dependent structure functions g(l)(p), g(l)(n), and g(l)(d), including the new experimental information on the Q(2) dependence of g(l)(n). Careful attention is paid to the experimental and theoretical uncertainties. The data constrain the first moments of the polarized valence quark distributions, but only qualitatively constrain the polarized sea quark and gluon distributions. The NLO results are used to determine the Q(2) dependence of the ratio g(l)/F-l and evolve the experimental data to a constant Q(2) = 5 GeV2. We determine the first moments of the polarized structure functions of the proton and neutron and find agreement with the Bjorken sum rule. (C) 1997 Published by Elsevier Science B.V.

引用

页码：180 / 190

页数：11

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