THE PION-NUCLEON SIGMA TERM

被引：35

作者：

JAMESON, I ^{[1
]}

THOMAS, AW ^{[1
]}

CHANFRAY, G ^{[1
]}

机构：

[1] UNIV LYON 1,ISM,INST PHYS NUCL LYON,F-69622 VILLEURBANNE,FRANCE

来源：

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 1992年 / 18卷 / 09期

关键词：

D O I：

10.1088/0954-3899/18/9/001

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We present a consistent calculation of the pion-nucleon sigma term within the cloudy bag model. The result is in reasonable agreement with the latest experimental value without any apparent need for a strange quark component in the nucleon.

引用

页码：L159 / L165

页数：7

共 45 条

[1] A MEASUREMENT OF THE SPIN ASYMMETRY AND DETERMINATION OF THE STRUCTURE-FUNCTION G1 IN DEEP INELASTIC MUON PROTON-SCATTERING [J].

ASHMAN, J ;

BADELEK, B ;

BAUM, G ;

BEAUFAYS, J ;

BEE, CP ;

BENCHOUK, C ;

BIRD, IG ;

BROWN, SC ;

CAPUTO, MC ;

CHEUNG, HWK ;

CHIMA, J ;

CIBOROWSKI, J ;

CLIFFT, RW ;

COIGNET, G ;

COMBLEY, F ;

COURT, G ;

DAGOSTINI, G ;

DREES, J ;

DUREN, M ;

DYCE, N ;

EDWARDS, AW ;

EDWARDS, M ;

ERNST, T ;

FERRERO, MI ;

FRANCIS, D ;

GABATHULER, E ;

GAJEWSKI, J ;

GAMET, R ;

GIBSON, V ;

GILLIES, J ;

GRAFSTROM, P ;

HAMACHER, K ;

VONHARRACH, D ;

HAYMAN, P ;

HOLT, JR ;

HUGHES, VW ;

JACHOLKOWSKA, A ;

JONES, T ;

KABUSS, EM ;

KORZEN, B ;

KRUNER, U ;

KULLANDER, S ;

LANDGRAF, U ;

LANSKE, D ;

LETTENSTROM, F ;

LINDQVIST, T ;

LOKEN, J ;

MATTHEWS, M ;

MIZUNO, Y ;

MONIG, K .

PHYSICS LETTERS B, 1988, 206 (02) :364-370

[2] DEEP-INELASTIC STRUCTURE FUNCTIONS IN THE MIT BAG MODEL [J].

BENESH, CJ ;

MILLER, GA .

PHYSICAL REVIEW D, 1987, 36 (05) :1344-1349

[3] LITTLE BAG [J].

BROWN, GE ;

RHO, M .

PHYSICS LETTERS B, 1979, 82 (02) :177-180

[4] BARYON STRUCTURE IN BAG THEORY [J].

CHODOS, A ;

JAFFE, RL ;

JOHNSON, K ;

THORN, CB .

PHYSICAL REVIEW D, 1974, 10 (08) :2599-2604

[5]

COON SA, 1992, NEW MEXICO STATE U P

[6] CHIRAL SU(3)BYSU(3) AS A SYMMETRY OF STRONG INTERACTIONS [J].

DASHEN, R .

PHYSICAL REVIEW, 1969, 183 (05) :1245-&

[7] SOFT PIONS, CHIRAL SYMMETRY, AND PHENOMENOLOGICAL LAGRANGIANS [J].

DASHEN, R ;

WEINSTEIN, M .

PHYSICAL REVIEW, 1969, 183 (05) :1261-+

[8] CLOUDY BAG MODEL - CONVERGENT PERTURBATION EXPANSION FOR THE NUCLEON [J].

DODD, LR ;

THOMAS, AW ;

ALVAREZESTRADA, RF .

PHYSICAL REVIEW D, 1981, 24 (07) :1961-1968

[9] PRESENT STATUS OF THE PION-NUCLEON SIGMA-TERM [J].

DOMINGUEZ, CA ;

LANGACKER, P .

PHYSICAL REVIEW D, 1981, 24 (07) :1905-1914

[10]

DONOGHUE JF, 1990, CERN TH566790 PREPR

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