VIRTUAL COMPTON-SCATTERING AND GENERALIZED POLARIZABILITIES OF THE PROTON

被引:144
|
作者
GUICHON, PAM [1 ]
LIU, GQ [1 ]
THOMAS, AW [1 ]
机构
[1] UNIV ADELAIDE,DEPT PHYS & MATH PHYS,ADELAIDE,SA 5005,AUSTRALIA
基金
澳大利亚研究理事会;
关键词
D O I
10.1016/0375-9474(95)00217-O
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
Threshold photon electroproduction off the proton allows one to measure new electromagnetic observables which generalize the usual polarizabilities. There are-a priori-ten ''generalized polarizabilities'', functions of the virtual photon mass, The purpose of this paper is to lay down the appropriate formalism to extract these quantities from the photon electroproduction cross sections. We also give a first estimate of the generalized polarizabilities in the non-relativistic quark model.
引用
收藏
页码:606 / 638
页数:33
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