EPJ

2023 Impact factor 4.2
EPJ C - Particles and Fields
Particles and Fields
Eur. Phys. J. C 6, 141-145
DOI 10.1007/s1005298000898

Scalar $\sigma$ meson via chiral and crossing dynamics

M.D. Scadron

TRIUMF, 4004 Wesbrook Mall, Vancouver, BC, V6T 2A3, Canada

Received: 13 March 1998 / Published online: 15 June 1998

Abstract
We show that the non-strange scalar $\sigma$ meson, as now reported in the 1996 PDG tables, is a natural consequence of crossing symmetry as well as chiral dynamics for both strong interaction low energy $\pi\pi$ scattering and also $K \to 2\pi$ weak decays.


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