Study of the resummation of chiral logarithms in the exponentiated expression for the pion form factor

被引:19
作者
Guerrero, F
机构
[1] Univ Valencia, Dept Fis Teor, E-46100 Valencia, Spain
[2] Univ Valencia, CSIC, IFIC, E-46100 Valencia, Spain
来源
PHYSICAL REVIEW D | 1998年 / 57卷 / 07期
关键词
D O I
10.1103/PhysRevD.57.4136
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
From the properties of analyticity and unitarity an exponentiated expression for the pion form factor has been recently obtained, In this work I show the validity of this expression comparing its order p(6) term with the one exactly calculated in ChPT. [S0556-2821(98)04307-0].
引用
收藏
页码:4136 / 4141
页数:6
相关论文
共 14 条
[1]   tau decays and chiral perturbation theory [J].
Colangelo, G ;
Finkemeier, M ;
Urech, R .
PHYSICAL REVIEW D, 1996, 54 (07) :4403-4418
[2]   THE ROLE OF RESONANCES IN CHIRAL PERTURBATION-THEORY [J].
ECKER, G ;
GASSER, J ;
PICH, A ;
DERAFAEL, E .
NUCLEAR PHYSICS B, 1989, 321 (02) :311-342
[3]   LOW-ENERGY EXPANSION OF MESON FORM-FACTORS [J].
GASSER, J ;
LEUTWYLER, H .
NUCLEAR PHYSICS B, 1985, 250 (03) :517-538
[4]   CHIRAL PERTURBATION-THEORY - EXPANSIONS IN THE MASS OF THE STRANGE QUARK [J].
GASSER, J ;
LEUTWYLER, H .
NUCLEAR PHYSICS B, 1985, 250 (03) :465-516
[5]   CHIRAL PERTURBATION-THEORY TO ONE LOOP [J].
GASSER, J ;
LEUTWYLER, H .
ANNALS OF PHYSICS, 1984, 158 (01) :142-210
[6]   ETA-]3-PI TO ONE LOOP [J].
GASSER, J ;
LEUTWYLER, H .
NUCLEAR PHYSICS B, 1985, 250 (03) :539-560
[7]  
GASSER J, 1991, NUCL PHYS B, V35, P790
[8]   FINITE-WIDTH CORRECTIONS TO VECTOR-MESON-DOMINANCE PREDICTION FOR RHO-]E+E- [J].
GOUNARIS, GJ ;
SAKURAI, JJ .
PHYSICAL REVIEW LETTERS, 1968, 21 (04) :244-&
[9]  
GUERRERO F, IN PRESS PHYS LETT B
[10]   Inverse amplitude method and chiral perturbation theory to two loops [J].
Hannah, T .
PHYSICAL REVIEW D, 1997, 55 (09) :5613-5626