Proton Compton scattering cross section in different variants of chiral effective field theory

被引：15

作者：

Lensky, Vadim ^{[1
]}

McGovern, Judith A. ^{[1
]}

Phillips, Daniel R. ^{[2
,3
]}

Pascalutsa, Vladimir ^{[4
]}

机构：

[1] Univ Manchester, Sch Phys & Astron, Theoret Phys Grp, Manchester M13 9PL, Lancs, England

[2] Ohio Univ, Inst Nucl & Particle Phys, Athens, OH 45701 USA

[3] Ohio Univ, Dept Phys & Astron, Athens, OH 45701 USA

[4] Johannes Gutenberg Univ Mainz, Inst Kernphys, D-55128 Mainz, Germany

来源：

PHYSICAL REVIEW C | 2012年 / 86卷 / 04期

基金：

英国科学技术设施理事会;

关键词：

PERTURBATION-THEORY; POLARIZABILITIES; EXPANSION; NUCLEONS; DYNAMICS;

D O I：

10.1103/PhysRevC.86.048201

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 compare the predictions of different variants of chiral effective field theory for the gamma p elastic scattering differential cross section. We pay particular attention to the role of pion loops, and the impact that a heavy-baryon expansion has on the behavior of those loops. We also correct erroneous results for these loops that were published by Pascalutsa and Phillips [Phys. Rev. C 67, 055202 (2003)].

引用

页数：4

共 25 条

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