Proton form factors in the hypercentral constituent quark model

被引:58
作者
De Sanctis, M
Giannini, MM
Repetto, L
Santopinto, E
机构
[1] Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy
[2] Univ Genoa, Dipartimento Fis, Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy
来源
PHYSICAL REVIEW C | 2000年 / 62卷 / 02期
关键词
D O I
10.1103/PhysRevC.62.025208
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 have calculated the ratio between the charge and magnetic form factors of the proton, making use of the hypercentral constituent quark model with relativistic corrections. The parameters of the model have been fixed in order to reproduce the baryon spectrum. The predicted values of this ratio are compared with the recent experimental results.
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页数:7
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共 68 条
[1]   Electromagnetic transition form factors of negative parity nucleon resonances [J].
Aiello, M ;
Giannini, MM ;
Santopinto, E .
JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS, 1998, 24 (04) :753-762
[2]   A three-body force model for the electromagnetic excitation of the nucleon [J].
Aiello, M ;
Ferraris, M ;
Giannini, MM ;
Pizzo, M ;
Santopinto, E .
PHYSICS LETTERS B, 1996, 387 (01) :215-221
[3]   APPLICATION OF THE HYPERSPHERICAL FORMALISM TO THE TRINUCLEON BOUND-STATE PROBLEMS [J].
BALLOT, JL ;
FABREDELARIPELLE, M .
ANNALS OF PHYSICS, 1980, 127 (01) :62-125
[4]   ALGEBRAIC MODELS OF HADRON STRUCTURE .1. NONSTRANGE BARYONS [J].
BIJKER, R ;
IACHELLO, F ;
LEVIATAN, A .
ANNALS OF PHYSICS, 1994, 236 (01) :69-116
[5]   Nucleon form factors in a chiral constituent-quark model [J].
Boffi, S ;
Demetriou, P ;
Radici, M ;
Wagenbrunn, RF .
PHYSICAL REVIEW C, 1999, 60 (02) :6
[6]  
BOFFI S, 1999, P 2 INT C PERSP HADR, P235
[7]   GLUON AND PION EXCHANGE CURRENTS IN THE NUCLEON [J].
BUCHMANN, A ;
HERNANDEZ, E ;
YAZAKI, K .
PHYSICS LETTERS B, 1991, 269 (1-2) :35-42
[8]   GLUON, PION AND CONFINEMENT EXCHANGE CURRENTS IN THE NUCLEON [J].
BUCHMANN, A ;
HERNANDEZ, E ;
YAZAKI, K .
NUCLEAR PHYSICS A, 1994, 569 (04) :661-688
[9]   PHOTOPRODUCTION AND ELECTROPRODUCTION OF NONSTRANGE BARYON RESONANCES IN THE RELATIVIZED QUARK-MODEL [J].
CAPSTICK, S .
PHYSICAL REVIEW D, 1992, 46 (07) :2864-2881
[10]   BARYON CURRENT MATRIX-ELEMENTS IN A LIGHT-FRONT FRAMEWORK [J].
CAPSTICK, S ;
KEISTER, BD .
PHYSICAL REVIEW D, 1995, 51 (07) :3598-3612