Instanton effects on the heavy-quark static potential

被引：14

作者：

Yakhshiev, U. T. ^{[1
,2
]}

Kim, Hyun-Chul ^{[1
,2
,3
]}

Turimov, B. ^{[1
]}

Musakhanov, M. M. ^{[4
]}

Hiyama, Emiko ^{[2
]}

机构：

[1] Inha Univ, Dept Phys, Incheon 22212, South Korea

[2] RIKEN, RIKEN Nishina Ctr, 2-1 Hirosawa, Saitama 3510115, Japan

[3] KIAS, Sch Phys, Seoul 02455, South Korea

[4] Natl Univ Uzbekistan, Theoret Phys Dept, Tashkent 174, Uzbekistan

来源：

CHINESE PHYSICS C | 2017年 / 41卷 / 08期

基金：

新加坡国家研究基金会;

关键词：

instanton-induced interactions; heavy-quark potential; quarkonia; FIELD-THEORY; QCD; FORCES; CONFINEMENT; CHARMONIUM; MESONS; LIMIT; LOOP;

D O I：

10.1088/1674-1137/41/8/083102

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We investigate instanton effects on the heavy-quark potential, including its spin-dependent part, based on the instanton liquid model. Starting with the central potential derived from the instanton vacuum, we obtain the spin-dependent part of the heavy-quark potential. We discuss the results of the heavy-quark potential from the instanton vacuum. Finally, we solve the nonrelativistic two-body problem, associated with the heavy-quark potential from the instanton vacuum. The instanton effects on the quarkonia spectra are marginal but are required for quantitative description of the spectra.

引用

页数：12

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