Analysis of a K -Scattering Phase Shift and Evidence for the (900) Meson | Zendy

S. Ishida | Zendy; Muneyuki Ishida | Zendy; Takashi Ishida | Zendy; Kunihiko Takamatsu | Zendy; T. Tsuru | Zendy

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Analysis of a K -Scattering Phase Shift and Evidence for the (900) Meson

Author(s) -

S. Ishida,

Muneyuki Ishida,

Takashi Ishida,

Kunihiko Takamatsu,

T. Tsuru

Publication year - 1997

Publication title -

progress of theoretical physics

Language(s) - English

Resource type - Journals

eISSN - 1347-4081

pISSN - 0033-068X

DOI - 10.1143/ptp.98.621

Subject(s) - physics , meson , phase (matter) , amplitude , partial wave analysis , symmetry (geometry) , scattering , particle physics , chiral symmetry , quantum electrodynamics , quantum mechanics , quantum chromodynamics , geometry , mathematics

Recently we have shown an evidence for existence of \sigma-particle in theprevious works; where the \pi\pi S-wave phase shift is reanalyzed, byintroducing a repulsive background suggested by the chiral symmetry, and byapplying a new method of Interfering Breit-Wigner Amplitudes. In this work wealso show, reanalyzing the K\pi S-wave phase shift from a similar standpoint,an evidence for existence of \kappa(900), possibly to be a member of\sigma-nonet.Comment: tex with PTP style, 2 eps figure

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