MEASUREMENTS OF THE Q(2)-DEPENDENCE OF THE PROTON AND DEUTERON SPIN STRUCTURE FUNCTIONS G(1)(P) AND G(1)(D)

被引:144
作者
ABE, K
AKAGI, T
ANTHONY, PL
ANTONOV, R
ARNOLD, RG
AVERETT, T
BAND, HR
BAUER, JM
BOREL, H
BOSTED, PE
BRETON, V
BUTTONSHAFER, J
CHEN, JP
CHUPP, TE
CLENDENIN, J
COMPTOUR, C
COULTER, KP
COURT, G
CRABB, D
DAOUDI, M
DAY, D
DIETRICH, FS
DUNNE, J
DUTZ, H
ERBACHER, R
FELLBAUM, J
FELTHAM, A
FONVIEILLE, H
FRLEZ, E
GARVEY, D
GEARHART, R
GOMEZ, J
GRENIER, P
GRIFFIOEN, KA
HOIBRATEN, S
HUGHES, EW
HYDEWRIGHT, C
JOHNSON, JR
KAWALL, D
KLEIN, A
KUHN, SE
KURIKI, M
LINDGREN, R
LIU, TJ
LOMBARDNELSEN, RM
MARRONCLE, J
MARUYAMA, T
MARUYAMA, XK
MCCARTHY, J
MEYER, W
机构
[1] UNIV BASEL,INST PHYS,CH-4056 BASEL,SWITZERLAND
[2] UNIV CLERMONT FERRAND,IN2P3,LPC,CNRS,F-63170 CLERMONT FERRAND,FRANCE
[3] CEBAF,NEWPORT NEWS,VA 23606
[4] CENS,SERV PHYS NUCL,DAPNIA,F-91191 GIF SUR YVETTE,FRANCE
[5] LAWRENCE LIVERMORE NATL LAB,LIVERMORE,CA 94550
[6] UNIV MASSACHUSETTS,AMHERST,MA 01003
[7] UNIV MICHIGAN,ANN ARBOR,MI 48109
[8] USN,POSTGRAD SCH,MONTEREY,CA 93943
[9] OLD DOMINION UNIV,NORFOLK,VA 23529
[10] UNIV PENN,PHILADELPHIA,PA 19104
[11] STANFORD LINEAR ACCELERATOR CTR,STANFORD,CA 94309
[12] STANFORD UNIV,STANFORD,CA 94305
[13] TEMPLE UNIV,PHILADELPHIA,PA 19122
[14] TOHOKU UNIV,SENDAI,MIYAGI 980,JAPAN
[15] UNIV VIRGINIA,CHARLOTTESVILLE,VA 22901
[16] UNIV WISCONSIN,MADISON,WI 53706
[17] UNIV LIVERPOOL,OLIVER LODGE LAB,LIVERPOOL L69 3BX,MERSEYSIDE,ENGLAND
[18] UNIV BONN,D-53113 BONN,GERMANY
[19] FFIYM,N-2007 KJELLER,NORWAY
[20] CERN,CH-1211 GENEVA 23,SWITZERLAND
关键词
D O I
10.1016/0370-2693(95)01340-2
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The ratio g(1)/F-1 has been measured over the range 0.03 < x < 0.6 and 0.3 < Q(2) < 10 (GeV/c)(2) using deep-inelastic scattering of polarized electrons from polarized protons and deuterons. We find g(1)/F-1 to be consistent with no Q(2)-dependence at fixed x in the deep-inelastic region Q(2) > 1 (GeV/c)(2). A trend is observed for g(1)/F-1 to decrease at lower Q(2). Fits to world data with and without a possible Q(2)-dependence in g(1)/F-1 are in agreement with the Bjorken sum rule, but Delta q is substantially less than the quark-parton model expectation.
引用
收藏
页码:61 / 68
页数:8
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