Toward an Understanding of Short Distance Repulsions among Baryons in QCD--- NBS Wave Functions and Operator Product Expansion ---

Toward an Understanding of Short Distance Repulsions among Baryons in QCD--- NBS Wave Functions and Operator Product Expansion ---
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理解QCD中重子间的短距离斥力---NBS波函数和算子积展开---

DOI:
10.1143/ptp.128.1269
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发表时间:
2012
影响因子:
--
通讯作者:
P. Weisz
P. Weisz
中科院分区:
--
文献类型:
--
作者:
S. Aoki;J. Balog;P. Weisz

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本文报道了我们最近利用QCD中的算符乘积展开和重正化群分析,确定由Nambu-Bethe-Salpeter(NBS)波函数定义的一般2重子和3重子力的短程行为的尝试.我们发现,当价夸克数增加或所涉及的不同味数减少时,近距离的排斥作用增加。这种整体趋势表明,在夸克场中存在泡利抑制原理。主题索引:164、165、200、234 §1。动机
We report on our recent attempts to determine the short distance behaviors of general 2baryon and 3-baryon forces, which are defined from the Nambu-Bethe-Salpeter (NBS) wave function, by using the operator product expansion and a renormalization group analysis in QCD. We have found that the repulsion at short distance increases as the number of valence quarks increases or when the number of different flavors involved decreases. This global tendency suggests a Pauli suppression principle among quark fields at work. Subject Index: 164, 165, 200, 234 §1. Motivation
DOI: --
发表时间: 1997
期刊: --
影响因子: --
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