Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1997-11-13
Phys.Atom.Nucl. 63 (2000) 1410-1427; Yad.Fiz. 63 (2000) 1410-1427
Physics
High Energy Physics
High Energy Physics - Phenomenology
LaTex, 15 pages and 10 figures
Scientific paper
10.1134/1.1307464
We perform the K-matrix analysis of meson partial waves with IJ^{PC} =00^{++}, 10^{++}, 02^{++}, 12^{++} basing on GAMS data on \pi^-p -> \pi^0\pi^0 n, \eta\eta n, \eta\eta' n together with BNL data on \pi^-p -> K\bar K n and Crystal Barrel data on p\bar p (at rest) -> \pi^0\pi^0\pi^0, \pi^0\eta\eta, \pi^0\pi^0\eta. The positions of the amplitude poles (physical resonances) are determined as well as the positions of the K-matrix poles (bare states) and the values of bare state couplings to two-meson channels. Nonet classification of the determined bare states is discussed.
Anisovich V. V.
Kondashov A. A.
Prokoshkin Yu. D.
Sadovsky S. A.
Sarantsev A. V.
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