BARYONS WITH 2 HEAVY QUARKS FROM QCD SPECTRAL SUM-RULES

被引：68

作者：

BAGAN, E ^{[1
]}

CHABAB, M ^{[1
]}

NARISON, S ^{[1
]}

机构：

[1] UNIV MONTPELLIER SCI & TECH LANGUEDOC 2,PHYS MATH LAB,CNRS,URA 768,F-34095 MONTPELLIER 5,FRANCE

来源：

PHYSICS LETTERS B | 1993年 / 306卷 / 3-4期

关键词：

D O I：

10.1016/0370-2693(93)90090-5

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We study the masses and couplings of baryons made with two heavy quarks using QCD spectral sum rules (QSSR). Coulomb-like 1/nu3 singularities enhance largely the mixed quark-gluon condensate contributions and modify the usual quark-hadron duality picture in the QSSR analysis.

引用

页码：350 / 356

页数：7

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