CHIRAL SYMMETRY AND THRESHOLD PI-0 ELECTROPRODUCTION

被引:19
作者
BERNARD, V
KAISER, N
LEE, TSH
MEISSNER, UG
机构
[1] UNIV LOUIS PASTEUR,F-67037 STRASBOURG 2,FRANCE
[2] TECH UNIV MUNICH,DEPT PHYS T30,W-8046 GARCHING,GERMANY
[3] ARGONNE NATL LAB,DIV PHYS,ARGONNE,IL 60439
[4] UNIV BERN,INST THEORET PHYS,CH-3012 BERN,SWITZERLAND
关键词
D O I
10.1103/PhysRevLett.70.387
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The electroproduction of neutral pions off protons close to threshold is studied within the framework of chiral perturbation theory. We compare to the recent data from NIKHEF and find good agreement. Further measurements as tests of chiral symmetry are discussed.
引用
收藏
页码:387 / 390
页数:4
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