Effective field theories for the heavy quarkonium

被引：1
作者：
Brambilla, N. [1 ,2 ]
机构：
[1] Univ Milan, Dipartimento Fis, I-20133 Milan, Italy
[2] Ist Nazl Fis Nucl, I-20133 Milan, Italy
来源：
FEW-BODY SYSTEMS | 2008年 / 43卷 / 1-4期
关键词：
D O I：
10.1007/s00601-008-0204-z
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We briefly review how nonrelativistic effective field theories give us a definition of the QCD potentials and a coherent field-theory-derived quantum-mechanical scheme to calculate the properties of bound states made by two or more heavy quarks. In this framework heavy quarkonium properties depend only on the QCD parameters (quark masses and alpha (s) ) and nonpotential corrections are systematically accounted for. The relation between the form of the nonperturbative potentials and the low-energy QCD dynamics is also discussed.
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页码：25 / 30
页数：6
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