MEASUREMENT OF THE SPIN-DEPENDENT STRUCTURE-FUNCTION G1(X) OF THE DEUTERON

被引：390

作者：

ADEVA, B

AHMAD, S

ARVIDSON, A

BADELEK, B

BALLINTIJN, MK

BARDIN, G

BAUM, G

BERGLUND, P

BETEV, L

BIRD, IG

BIRSA, R

BJORKHOLM, P

BONNER, BE

DEBOTTON, N

BOUTEMEUR, M

BRADAMANTE, F

BRESSAN, A

BRULL, A

BUCHANAN, J

BULTMANN, S

BURTIN, E

CAVATA, C

CHEN, JP

CLEMENT, J

CLOCCHIATTI, M

CORCORAN, MD

CRABB, D

CRANSHAW, J

CUHADAR, T

DALLATORRE, S

VANDANTZIG, R

DAY, D

DHAWAN, S

DULYA, C

DYRING, A

EICHBLATT, S

FAIVRE, JC

FASCHING, D

FEINSTEIN, F

FERNANDEZ, C

FROIS, B

GARABATOS, C

GARZON, JA

GATIGNON, L

GAUSSIRAN, T

GIORGI, M

VONGOELER, E

GOLOUTVIN, IA

GOMEZ, A

GRACIA, G

机构：

[1] RICE UNIV,BONNER LAB,HOUSTON,TX 77251

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

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

[4] SOLTAN INST NUCL STUDIES,PL-00681 WARSAW,POLAND

[5] NIKHEF,FOM,1009 AJ AMSTERDAM,NETHERLANDS

[6] FREE UNIV AMSTERDAM,1009 AJ AMSTERDAM,NETHERLANDS

[7] CENS,DAPNIA,F-91191 GIF SUR YVETTE,FRANCE

[8] UNIV BIELEFELD,DEPT PHYS,W-4800 BIELEFELD 1,GERMANY

[9] CERN,CH-1211 GENEVA 23,SWITZERLAND

[10] HELSINKI UNIV TECHNOL,LOW TEMP LAB,SF-02150 ESPOO,FINLAND

[11] UNIV MUNICH,DEPT PHYS,W-8000 MUNICH,GERMANY

[12] INFN,TRIESTE,ITALY

[13] UNIV TRIESTE,DEPT PHYS,I-34127 TRIESTE,ITALY

[14] YALE UNIV,DEPT PHYS,NEW HAVEN,CT 06511

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

[16] UNIV VIRGINIA,DEPT PHYS,CHARLOTTESVILLE,VA 22903

[17] UNIV CALIF LOS ANGELES,DEPT PHYS,LOS ANGELES,CA 90024

[18] NORTHWESTERN UNIV,DEPT PHYS,EVANSTON,IL 60208

[19] UNIV HOUSTON,DEPT PHYS,HOUSTON,TX 77204

[20] INST BEAM PARTICLE DYNAM,HOUSTON,TX 77204

[21] NORTHEASTERN UNIV,DEPT PHYS,BOSTON,MA 02115

[22] JINR,SUPER HIGH ENERGY PHYS,DUBNA,RUSSIA

[23] SWISS FED INST TECHNOL,CH-8093 ZURICH,SWITZERLAND

[24] KEK,IBARAKI 305,JAPAN

[25] MIYAZAKI UNIV,MIYAZAKI 88921,JAPAN

[26] UNIV HONDURAS,DEPT PHYS,TEGUCIGALPA,HONDURAS

[27] UNIV BUENOS AIRES,DEPT PHYS,RA-1428 BUENOS AIRES,ARGENTINA

[28] UNIV MAINZ,INST NUCL PHYS,W-6500 MAINZ,GERMANY

[29] NAGOYA UNIV,DEPT PHYS,CHIKUSA KU,NAGOYA,AICHI 464,JAPAN

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

[31] GKSS,W-2054 GEESTHACHT,GERMANY

[32] TEL AVIV UNIV,SCH PHYS,IL-69978 TEL AVIV,ISRAEL

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

[34] BOGAZICI UNIV,ISTANBUL,TURKEY

来源：

PHYSICS LETTERS B | 1993年 / 302卷 / 04期

关键词：

D O I：

10.1016/0370-2693(93)90438-N

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report on the first measurement of the spin-dependent structure function gd of the deuteron in the deep inelastic scattering of polarised muons off polarised deuterons, in the kinematical range 0.006 < x < 0.6, 1 GeV2 < Q2 < 30 GeV2. The first moment, GAMMA1d = integral-1/0 g1d dx = 0.023 +/- 0.020 (stat.) +/- 0.015 (syst.), is smaller than the prediction of the Ellis-Jaffe sum rules. Using earlier measurements of g1p, we infer the first moment of the spin-dependent neutron structure function g1n. The difference GAMMA1p - GAMMA1n = 0.20 +/- 0.05 (stat.) +/- 0.04 (syst.) agrees with the prediction of the Bjorken sum rule, GAMMA1p - GAMMA1n = 0. 191 +/- 0.002.

引用

页码：533 / 539

页数：7

共 37 条

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