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Guo, F-K.; Ping, R. -G.; Shen, P. -N.; Chiang, H. -C.; Zou, B. -S.; Guo, FK , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China
S wave K pi scattering and effects of kappa in J/psi ->(K)over-bar*(0)(892)K+pi(-)
Source PublicationNUCLEAR PHYSICS A
KeywordChiral Perturbation-theory Bethe-salpeter Approach Kpi Scattering Scalar Mesons One-loop Form-factors Resonances Decays Sigma Lagrangians
AbstractK pi S wave scattering is studied using a chiral unitary approach (ChUT) taking into account coupled channels. With the amplitudes derived from the lowest order chiral Lagrangian as the kernel of a set of coupled channel Bathe-Salpeter equations, the I = 1/2 S wave K pi scattering phase shifts below 1.2 GeV can be fitted by one parameter, a subtraction constant, and a scalar resonance corresponding to the controversial K (K-0(*) (800)) can be generated dynamically. A good description of the I = 3/2 S wave K pi scattering phase 0 shifts below 1.2 GeV can also be obtained. An artificial singularity in the cut-off method of the 2-meson loop integral of the ChUT is found. The formalism is applied to deal with the S wave K pi final state interaction (FSI) in the decay J/psi ->(K) over bar (*0)(892)K+pi(-), and a qualitatively good fit to the data is achieved. The role Of K in the decay is discussed. (c) 2006 Elsevier B.V. All rights reserved.
2006
ISSN0375-9474
Volume773Issue:40910Pages:78-94
Subject AreaPhysics
Indexed BySCI
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Cited Times:44[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5952
CollectionSCI期刊论文
Corresponding AuthorGuo, FK , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Guo, F-K.,Ping, R. -G.,Shen, P. -N.,et al. S wave K pi scattering and effects of kappa in J/psi ->(K)over-bar*(0)(892)K+pi(-)[J]. NUCLEAR PHYSICS A,2006,773(40910):78-94.
APA Guo, F-K.,Ping, R. -G.,Shen, P. -N.,Chiang, H. -C.,Zou, B. -S.,&Guo, FK , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.(2006).S wave K pi scattering and effects of kappa in J/psi ->(K)over-bar*(0)(892)K+pi(-).NUCLEAR PHYSICS A,773(40910),78-94.
MLA Guo, F-K.,et al."S wave K pi scattering and effects of kappa in J/psi ->(K)over-bar*(0)(892)K+pi(-)".NUCLEAR PHYSICS A 773.40910(2006):78-94.
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