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

1997/05/27 by Shin Ishida, S. Ishida, Muneyuki Ishida +6 · 9 citations
Chemistry · Physics and Astronomy · #Advanced NMR Techniques and Applications #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph

paper · pdf · doi:10.1143/ptp.98.621

published as Prog.Theor.Phys.98:621-629,1997 · tex with PTP style, 2 eps figures

arxiv created 1997/05/27 · openalex publication_date 1997/09/01 · arxiv updated 2009/11/30 · openalex created_date 2019/06/27 · openalex updated_date 2026/07/28

Abstract

Recently we have given evidence for the existence of the σ particle. In these previous works, the ππ S-wave phase shift is reanalyzed, by introducing a repulsive background suggested by the chiral symmetry, and by applying the new method of Interfering Breit-Wigner amplitudes. In this work we also show, reanalyzing the Kπ S-wave phase shift from a similar standpoint, evidence for the possible existence of κ(900), to be assigned as a member of the σ nonet.

Cited by

• Spectral functions of scalar mesons
• Nature of Light Scalar Mesons from their Large-NcBehavior
• Putative light scalar nonet
• The K* 0(800) scalar resonance from Roy–Steiner representations of πK scattering
• η′→ηππ decay as a probe of a possible lowest-lying scalar nonet
• dominance of the f0(980) meson
• Determination of the strangeness contents of light-flavour isoscalars from its production rates in hadronic Z decays measured at LEP
• Evidence for κ meson production in J/ψ→K¯∗(892)0K+π− process
• Evidence for a scalar κ(900) resonance inπKscattering