Confirmation of the $σ$-Meson below 1 GeV and Indication for the $f_0(1500)$ Glueball

Details Confirmation of the $σ$-Meson below 1 GeV and Indication for the $f_0(1500)$ Glueball Confirmation of the $σ$-Meson below 1 GeV and Indication for the $f_0(1500)$ Glueball

2000-05-10

arxiv.org/abs/hep-ph/0005090v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, LaTex; Talk at Triangle Seminar on Particle Physics, Vienne, Austria, 26-27.11.1999

Scientific paper

On the basis of a simultaneous description of the isoscalar s-wave channel of the $\pi\pi$ scattering (from the threshold up to 1.9 GeV) and of the $\pi\pi\to K\bar{K}$ process (from the threshold to $\sim$ 1.4 GeV) in the model-independent approach, a confirmation of the $\sigma$-meson at $\sim$ 660 MeV and an indication for the glueball nature of the $f_0(1500)$ state are obtained.

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