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The rho -> gamma pi and omega -> gamma pi decays in quark-model approach and estimation of coupling for pion emission by quark
A. V. Anisovich, V. V. Anisovich, L. G. Dakhno +3
In the framework of the relativistic and gauge invariant spectral integral technique, we calculate radiative decays rho(770)-> gamma pi(140) and omega(780)-> gamma pi(140) supposin…
Quark--antiquark states and their radiative transitions in terms of the spectral integral equation. {\Huge III.} Light mesons
V. V. Anisovich, L. G. Dakhno, M. A. Matveev +2
We continue the investigation of mesons in terms of the spectral integral equation initiated before [hep-ph/0510410, hep-ph/0511005] for the and systems: in thi…
Exotic mesons, locking states and their role in the formation of the confinement barrier
V. V. Anisovich, D. V. Bugg, A. V. Sarantsev
We discuss a mechanism by which a set of -states mixes with an exotic one, so that the exotic state accumulates the widths of the overlapping resonances. The bro…
K-matrix analysis of the K-pi S-wave in the mass region 900-2100 Mev and nonet classification of scalar qqbar-states
A. V. Anisovich, A. V. Sarantsev
A K-matrix re-analysis of the K-pi S-wave is performed in the mass region 900-2100 MeV, and solutions which describe the data well are found. The solution with two resonances in th…
Scalar glueball: analysis of the (IJ^{PC}=00^{++})-wave
A. V. Anisovich, V. V. Anisovich, A. V. Sarantsev
Basing on the previously performed K-matrix analysis of experimental data, we investigate, in the framework of the propagator matrix (D-matrix) technique, the 1100-1900 MeV mass re…
-Glueball/-State Mixing in the Mass Region near 1500 MeV
A. V. Anisovich, V. V. Anisovich, A. V. Sarantsev
Basing on the results of the K-matrix fit of wave, we analyze the analytic structure of the amplitude and /glueball content of resonances in the mass…