Origin of the nucleon electromagnetic form factors dipole formula

被引:1
|
作者
Weisenpacher, P [1 ]
机构
[1] Comenius Univ, Dept Theoret Phys, Bratislava 84248, Slovakia
关键词
nucleon; structure; resonances; form factors; coupling constants;
D O I
10.1023/A:1011618315454
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Starting with the vector-meson-dominance parametrization of the electric and magnetic nucleon form factors, which are saturated just by the ground state vector-mesons rho, omega and phi, then aplying the strict Okubo-Zweig-Iizuka rule and the asymptotic behaviour of form factors as predicted by quark model of hadrons, the famous one-parameter dipole formula is derived. By its comparison with space-like data up to t = -5 GeV2 the optimal value of the parameter under consideration is determined. Finaly, charge and magnetization distributions in proton and neutron are predicted.
引用
收藏
页码:785 / 790
页数:6
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