Non-perturbative dynamics of the heavy-light quark system in the non-recoil limit

被引：43

作者：

Brambilla, N

Vairo, A

机构：

[1] JEFFERSON LAB,NEWPORT NEWS,VA 23606

[2] HAMPTON UNIV,NUCL HIGH ENERGY PHYS,HAMPTON,VA 23668

[3] IST NAZL FIS NUCL,SEZ MILANO,I-20133 MILAN,ITALY

来源：

PHYSICS LETTERS B | 1997年 / 407卷 / 02期

关键词：

D O I：

10.1016/S0370-2693(97)00749-1

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Starting from the relativistic gauge-invariant quark-antiquark Green function we obtain the relevant interaction in the one-body limit, which can be interpreted as the kernel of a non-perturbative Dirac equation, We study this kernel in different kinematic regions, reproducing, in particular, for heavy quark the potential case and sum rules results. We discuss the relevance of the result for heavy-light mesons and the relation with the phenomenological Dirac equations used up to now in the literature. (C) 1997 Elsevier Science B.V.

引用

页码：167 / 173

页数：7

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