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Showing 2015 · hep-phShow all

5 papers · 2 filters

hep-ph2015★ 14 cited

Decay in covariant quark model

Stanislav Dubnička, Anna Z. Dubničková, Nurgul Habyl +3

Our article is devoted to the study of the rare ~decay where . We compute the relevant form factors in the framework of the covariant quark mo…

hep-ph2015

Effect of coupled channels of the multi-channel pion-pion scattering in two-pion transitions of the mesons

Yu. S. Surovtsev, P. Bydžovský, T. Gutsche +3

The effect of isoscalar S-wave processes is considered in the analysis of data (from the ARGUS, CLEO, CUSB, Crystal Ball, Belle, BABAR collaborations) on…

hep-ph2015★ 4 cited

Unified description of BaBar and Belle data on the bottomonia decays Upsilon(mS) -> Upsilon(nS) pi+ pi-

Yurii S. Surovtsev, Petr Bydzovsky, Thomas Gutsche +3

We present a unified analysis of the decays of bottomonia Upsilon(mS) -> Upsilon(nS) pi pi (m>n, m=2,3,4,5, n=1,2,3), charmonia J/psi -> phi (pi pi, K antiK), psi(2S) -> J/psi pi p…

hep-ph2015★ 4 cited

Decay of Resonaces in Strong Magnetic Field

Peter Filip

We suggest that decay properties (branching ratios) of hadronic resonances may become modified in strong external magnetic field. The behavior of , vector mes…

hep-ph2015★ 5 cited

Role of multichannel pi pi scattering in decays of bottomia

Yurii S. Surovtsev, P. Bydzovsky, Thomas Gutsche +3

The effect of isoscalar S-wave multichannel pi pi -> pi pi, K antiK, eta eta scattering is considered in the analysis of decay data of the Upsilon-mesons. We show that when allowin…