Evidence for two new $0^{+ +}$ mesons and a possible scalar decuplet

Publisher Website

1 May 1982

journal article
research article
Published by American Physical Society (APS) in Physical Review D

Vol. 25 (9) , 2446-2450
https://doi.org/10.1103/physrevd.25.2446

Abstract

We present evidence for the existence of two new

I = 0

scalar mesons [

g_{s} (1240)

and

S^{*'} (1730)

] from an amplitude analysis of the reaction

π^{-} p \to K_{S}^{0} K_{S}^{0} n

at 23 GeV/c. An examination of the mass splittings present shows that neither of these states can be easily assigned to a (near) ideally mixed

J^{PC} = 0^{+ +}

nonet. These results are in qualitative agreement with recent theoretical predictions of glucon-glucon bound states.

Keywords

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