Nucleon-nucleon potential: Relativistic and heavy Baryon formalism

被引：0
|
作者：
Higa, R [1 ]
机构：
[1] Univ Sao Paulo, Inst Fis, Nucl theory & Elementary Particle Phonomenol Grp, BR-01498 Sao Paulo, Brazil
来源：
NEW STATES OF MATTER IN HADRONIC INTERACTIONS | 2002年 / 631卷
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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 present here preliminary results of our study of the two-pion component of the NN potential using covariant chiral symmetry restricted to just pion and nucleon degrees of freedom. In a first step we perform the full calculation using feynman parametrizations and restore the results obtained in reference [3]. Next we use several relations among feynman integrals and try to rewrite the amplitude evidencing the correct chiral scale. Finally we expand the integrals and compare it with the heavy baryon approach [5].
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页码：717 / 718
页数：2
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