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Studying K pi S-wave scattering in the K-matrix formalism
Li, L; Zou, BS; Li, GL
2003
Source PublicationPHYSICAL REVIEW D
Volume67Issue:3Pages:34025
Corresponding AuthorInst High Energy Phys, Beijing 100039, Peoples R China ; CCAST, World Lab, Beijing 100080, Peoples R China ; Inst Theoret Phys, Beijing 100080, Peoples R China ; Ctr Theoret Nucl Phys, Natl Lab Heavy Ion Accelerator, Lanzhou 730000, Peoples R China
SubtypeArticle
AbstractWe generalize our previous work on pipi scattering to Kpi scattering, and reanalyze the experiment data for Kpi scattering below 1.6 GeV. Without any free parameter, we explain the Kpi I=3/2 S-wave phase shift very well by using t-channel rho and u-channel K* meson exchange. With the t-channel and u-channel meson exchange fixed as the background term, we fit the Kpi I=1/2 S-wave data of the LASS experiment quite well by introducing one or two s-channel resonances. It is found that there is only one s-channel resonance between the Kpi threshold and 1.6 GeV, i.e., K-0*(1430) with a mass around 1438-1486 MeV and a width of about 346 MeV, while the t-channel rho exchange gives a pole at (450-480i) MeV for the amplitude, rather uncertain due to the limitations of the approach used.
Subject AreaAstronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.67.034025
URL查看原文
Indexed ByINSPIREHEP ; ADS
Language英语
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Particles & Fields
WOS IDWOS:000181431400039
ADS Bibcode2003PhRvD..67c4025L
ADS URLhttps://ui.adsabs.harvard.edu/abs/2003PhRvD..67c4025L
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2003PhRvD..67c4025L/citations
inspireid601241
inspireURLhttps://inspirehep.net/literature/601241
Citation statistics
Cited Times:26 [INSPIRE]
Cited Times:24 [ADS]
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/240561
Collection理论物理室
粒子天体物理中心
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Li, L,Zou, BS,Li, GL. Studying K pi S-wave scattering in the K-matrix formalism[J]. PHYSICAL REVIEW D,2003,67(3):34025.
APA Li, L,Zou, BS,&Li, GL.(2003).Studying K pi S-wave scattering in the K-matrix formalism.PHYSICAL REVIEW D,67(3),34025.
MLA Li, L,et al."Studying K pi S-wave scattering in the K-matrix formalism".PHYSICAL REVIEW D 67.3(2003):34025.
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