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Guo, ZH; Oller, JA; Guo, ZH (reprint author), Hebei Normal Univ, Dept Phys, Shijiazhuang 050024, Peoples R China.; Guo, ZH (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Probabilistic interpretation of compositeness relation for resonances
发表期刊PHYSICAL REVIEW D
语种英语
摘要Bound, antibound and resonance states are associated to poles in the on-shell partial wave amplitudes. We show here that from the residues of the pole a rank 1 projection operator associated with any of these states can be extracted, in terms of which a sum rule related to the composition of the state can be derived. Although typically it involves complex coefficients for the compositeness and elementariness, except for the bound state case, we demonstrate that one can formulate a meaningful compositeness relation with only positive coefficients for resonances whose associated Laurent series in the variable s converges in a region of the physical axis around ResP, with sP the pole position of the resonance. It is also shown that this result can be considered as an analytical extrapolation in sP of the clear narrow resonance case. We exemplify this formalism to study the two-body components of several resonances of interest.
2016
卷号93期号:9页码:96001
学科领域Astronomy & Astrophysics ; Physics
DOIhttp://dx.doi.org/10.1103/PhysRevD.93.096001
收录类别SCI
项目资助者MINECO (Spain) ; MINECO (Spain) ; MINECO (Spain) ; MINECO (Spain) ; ERDF (European Commission) [FPA2013-40483-P] ; ERDF (European Commission) [FPA2013-40483-P] ; ERDF (European Commission) [FPA2013-40483-P] ; ERDF (European Commission) [FPA2013-40483-P] ; Spanish Excellence Network on Hadronic Physics [FIS2014-57026-REDT] ; Spanish Excellence Network on Hadronic Physics [FIS2014-57026-REDT] ; Spanish Excellence Network on Hadronic Physics [FIS2014-57026-REDT] ; Spanish Excellence Network on Hadronic Physics [FIS2014-57026-REDT] ; National Natural Science Foundation of China (NSFC) [11575052, 11105038] ; National Natural Science Foundation of China (NSFC) [11575052, 11105038] ; National Natural Science Foundation of China (NSFC) [11575052, 11105038] ; National Natural Science Foundation of China (NSFC) [11575052, 11105038] ; Natural Science Foundation of Hebei Province [A2015205205] ; Natural Science Foundation of Hebei Province [A2015205205] ; Natural Science Foundation of Hebei Province [A2015205205] ; Natural Science Foundation of Hebei Province [A2015205205] ; Education Department of Hebei Province [YQ2014034] ; Education Department of Hebei Province [YQ2014034] ; Education Department of Hebei Province [YQ2014034] ; Education Department of Hebei Province [YQ2014034] ; Department of Human Resources and Social Security of Hebei Province [C201400323] ; Department of Human Resources and Social Security of Hebei Province [C201400323] ; Department of Human Resources and Social Security of Hebei Province [C201400323] ; Department of Human Resources and Social Security of Hebei Province [C201400323]
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21663
专题理论物理所科研产出_SCI论文
通讯作者Guo, ZH (reprint author), Hebei Normal Univ, Dept Phys, Shijiazhuang 050024, Peoples R China.; Guo, ZH (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
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GB/T 7714
Guo, ZH,Oller, JA,Guo, ZH ,et al. Probabilistic interpretation of compositeness relation for resonances[J]. PHYSICAL REVIEW D,2016,93(9):96001.
APA Guo, ZH,Oller, JA,Guo, ZH ,&Guo, ZH .(2016).Probabilistic interpretation of compositeness relation for resonances.PHYSICAL REVIEW D,93(9),96001.
MLA Guo, ZH,et al."Probabilistic interpretation of compositeness relation for resonances".PHYSICAL REVIEW D 93.9(2016):96001.
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