Virtual Compton scattering and nucleon generalized polarizabilities

被引:12
|
作者
Fonvieille, H. [1 ]
Pasquini, B. [2 ,3 ]
Sparveris, N. [4 ]
机构
[1] Univ Clermont Auvergne, LPC, CNRS IN2P3, Clermont Ferrand, France
[2] Univ Pavia, Dipartimento Fis, Pavia, Italy
[3] Ist Nazl Fis Nucl, Sez Pavia, Pavia, Italy
[4] Temple Univ, Philadelphia, PA 19122 USA
关键词
Virtual Compton scattering; Dispersion relations; Generalized polarizabilities; Proton; Electromagnetic interactions; LOW-ENERGY; PROTON; ELECTROPRODUCTION; AMPLITUDE; REAL;
D O I
10.1016/j.ppnp.2020.103754
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
This review gives an update on virtual Compton scattering (VCS) off the nucleon, gamma*N -> gamma N, in the low-energy regime. We recall the theoretical formalism related to the generalized polarizabilities (GPs) and model predictions for these observables. We present the GP extraction methods that are used in the experiments: the approach based on the low-energy theorem for VCS and the formalism of Dispersion Relations. We then review the experimental results, with a focus on the progress brought by recent experimental data on proton GPs, and we conclude by some perspectives in the field of VCS at low energy. (C) 2020 Elsevier B.V. All rights reserved.
引用
收藏
页数:37
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