Charm quark mass from QCD sum rules for the charmonium system

被引：53

作者：

Eidemüller, M ^{[1
]}

Jamin, M ^{[1
]}

机构：

[1] Univ Heidelberg, Inst Theoret Phys, D-69120 Heidelberg, Germany

来源：

PHYSICS LETTERS B | 2001年 / 498卷 / 3-4期

关键词：

quark masses; QCD sum rules;

D O I：

10.1016/S0370-2693(00)01391-5

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In this work, the charm-quark mass is obtained from a QCD sum-rule analysis of the charmonium system. In our investigation we include results from nonrelativistic QCD at next-to-next-to-leading order. Using the pole-mass scheme, we obtain a value of M-c = 1.70+/-0.13 GeV for the charm-pole mass. The introduction of a potential-subtracted mass leads to an improved scale dependence. The running (MS) over bar mass is then determined to be m(c)(m(c)) = 1.23+/-0.09 GeV. (C) 2001 Published by Elsevier Science B.V.

引用

页码：203 / 210

页数：8

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