The large-scale organization of the hadron decay network

	The large-scale organization of the hadron decay network
	Xu XP(徐新平); Xu, XP; Liu, F
刊名	JOURNAL OF STATISTICAL MECHANICS-THEORY AND EXPERIMENT
	2008
页码	P01009
关键词	exact results random graphs networks peer-to-peer networks
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
英文摘要	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.
学科主题	Mechanics; Physics
类目[WOS]	Mechanics ; Physics, Mathematical
研究领域[WOS]	Mechanics ; Physics
原文出处	SCI
语种	英语
WOS记录号	WOS:000254376100018
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/241082]
专题	高能物理研究所_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.