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The large-scale organization of the hadron decay network
Xu XP(徐新平); Xu, XP; Liu, F
2008
发表期刊JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT
页码P01009
通讯作者[Xu, Xinping ; Liu, Feng] Hua Zhong Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China ; [Xu, Xinping] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
摘要The standard model of particle physics predicts a complex structure of decay modes for hadrons, which opens up an avenue for observing the internal forces governing the decay dynamics. In this paper, we present the decay modes of hadrons as a network in which the nodes are particles and directed links are pointing from the mother particles to daughter particles. Using the database of decay modes collected from the Particle Data Group, we try to unveil the topological structure and possible intrinsic nature of hadron decays in the light of recent investigations of complex networks. We study distributions of the numbers of daughter and mother particles, and explore scaling laws that may govern the underlying decay structure of the system. We find that it is a small-world network with symmetrical structure. We also study the influence of constraints arising from conservation laws on the network structure, and our analysis suggests that the constraints of conservations of momentum-energy, charge, lepton number and baryon number play important roles in the topology of the decay network. Finally, we classify the hadrons into communities according to their quark component, and uncover the relationship between the particle roles and connection patterns in the communities.
文章类型Article
关键词exact results random graphs networks peer-to-peer networks
学科领域Mechanics; Physics
研究领域[WOS]Mechanics ; Physics
DOI10.1088/1742-5468/2008/01/P01009
URL查看原文
语种英语
WOS类目Mechanics ; Physics, Mathematical
WOS记录号WOS:000254376100018
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/241082
专题实验物理中心
作者单位中国科学院高能物理研究所
推荐引用方式
GB/T 7714
Xu XP,Xu, XP,Liu, F. The large-scale organization of the hadron decay network[J]. JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT,2008:P01009.
APA 徐新平,Xu, XP,&Liu, F.(2008).The large-scale organization of the hadron decay network.JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT,P01009.
MLA 徐新平,et al."The large-scale organization of the hadron decay network".JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT (2008):P01009.
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