Compelling Evidence of Renormalons in QCD from High Order Perturbative Expansions

被引：48
|
作者：
Bauer, Clemens [1 ]
Bali, Gunnar S. [1 ]
Pineda, Antonio [2 ]
机构：
[1] Univ Regensburg, Inst Theoret Phys, D-93040 Regensburg, Germany
[2] Univ Autonoma Barcelona, Grp Fis Teor, E-08193 Barcelona, Spain
来源：
PHYSICAL REVIEW LETTERS | 2012年 / 108卷 / 24期
关键词：
LATTICE GAUGE-THEORY; POLE MASS; HEAVY-QUARK; CONDENSATE;
D O I：
10.1103/PhysRevLett.108.242002
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We compute the static self-energy of SU(3) gauge theory in four spacetime dimensions to order alpha(20) in the strong coupling constant alpha. We employ lattice regularization to enable a numerical simulation within the framework of stochastic perturbation theory. We find perfect agreement with the factorial growth of high order coefficients predicted by the conjectured renormalon picture based on the operator product expansion.
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页数：5
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