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Phenomenological analysis of the double-pion production in nucleon-nucleon collisions up to 2.2 GeV
Cao, X; Zou BS(邹冰松); Zou, BS; Xu, HS
2010
Source PublicationPHYSICAL REVIEW C
Volume81Issue:6Pages:65201
Corresponding Author[Cao, Xu ; Xu, Hu-Shan] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China ; [Zou, Bing-Song] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Cao, Xu ; Zou, Bing-Song ; Xu, Hu-Shan] Chinese Acad Sci, Theoret Phys Ctr Sci Facil, Beijing 100049, Peoples R China ; [Zou, Bing-Song ; Xu, Hu-Shan] Natl Lab Heavy Ion Collis, Ctr Theoret Nucl Phys, Lanzhou 730000, Peoples R China ; [Cao, Xu] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
SubtypeArticle
AbstractWith an effective Lagrangian approach, we analyze several NN -> NN pi pi channels by including various resonances with mass up to 1.72 GeV. For the channels with the pion pair of isospin zero, we confirm the dominance of N*(1440) -> N sigma in the near-threshold region. At higher energies and for channels with the final pion pair of isospin one, we find large contributions from N*(1440) -> Delta pi, double-Delta, Delta(1600) -> N*(1440)pi, Delta(1600) -> Delta pi and Delta(1620) -> Delta pi. There are also sizable contributions from Delta -> Delta pi, Delta -> N pi, N -> Delta pi, and nucleon pole at energies close to the threshold. We give a good reproduction to the total cross sections up to beam energies of 2.2 GeV except for the pp -> pp pi(0)pi(0) channel at energies around 1.1 GeV and our results agree with the existing data of differential cross sections of pp -> pp pi(+)p pi(-), pp -> nn pi(+)pi(+), and pp -> pp pi(0)pi(0) which are measured at CELSIUS and COSY.
Subject AreaPhysics
DOI10.1103/PhysRevC.81.065201
URL查看原文
Indexed BySCI ; INSPIREHEP ; ADS
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Nuclear
WOS IDWOS:000278399700005
ADS Bibcode2010PhRvC..81f5201C
ADS URLhttps://ui.adsabs.harvard.edu/abs/2010PhRvC..81f5201C
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2010PhRvC..81f5201C/citations
inspireid850504
inspireURLhttps://inspirehep.net/literature/850504
Citation statistics
Cited Times:73 [INSPIRE]
Cited Times:64 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/240735
Collection理论物理室
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Cao, X,Zou BS,Zou, BS,et al. Phenomenological analysis of the double-pion production in nucleon-nucleon collisions up to 2.2 GeV[J]. PHYSICAL REVIEW C,2010,81(6):65201.
APA Cao, X,邹冰松,Zou, BS,&Xu, HS.(2010).Phenomenological analysis of the double-pion production in nucleon-nucleon collisions up to 2.2 GeV.PHYSICAL REVIEW C,81(6),65201.
MLA Cao, X,et al."Phenomenological analysis of the double-pion production in nucleon-nucleon collisions up to 2.2 GeV".PHYSICAL REVIEW C 81.6(2010):65201.
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