QCD SUM-RULES FOR PION WAVE-FUNCTION REVISITED

被引：36
|
作者：
BAKULEV, AP
MIKHAILOV, SV
机构：
[1] Bogoliubov Laboratory of Theoretical Physics, JINR, Dubna
来源：
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS | 1995年 / 68卷 / 03期
关键词：
D O I：
10.1007/BF01620720
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We analyze new QCD sum rules for the pion wave function (WF) phi(pi)(x), obtained recently in [1] in the non-local vacuum condensates method for non-diagonal correlators, and suggest a new approach for extracting WF of the pi-meson and the mass and WF of the first resonance. As a result, we obtain approximately the same form of the pion WF by two different methods and for two different ansatzes of non-local quark condensates. We predict the mass of the pi'-resonance and obtain the form of its WF.
引用
收藏
页码：451 / 458
页数：8
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