ASYMPTOTIC-BEHAVIOR OF NON-PERTURBATIVE CORRECTIONS TO THE CALLAN-GROSS RELATION

被引：1

作者：

BACE, M

机构：

[1] Laboratoire de Physique Théorique, Hautes Energies1 1 Laboratoire associé au CNRS (LA 280)., Université Pierre et Marie Curie

来源：

PHYSICS LETTERS B | 1979年 / 88卷 / 1-2期

关键词：

D O I：

10.1016/0370-2693(79)90125-4

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Like radiative corrections to the parton model, instantons provide a violation of the Callan-Gross relation. However, it is shown that the quark-current Compton amplitude in the instanton background does not scale in the limit of large current mass Q but is suppressed as ln Q Q2. It is then argued that the same holds true in the hadron-current case. © 1979.

引用

页码：109 / 113

页数：5

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