35 citations · 197 across the 27 of their papers we have counts for
30 papers · 1 filter
The Y(4140), X(4260), psi(2D), psi(4S) and tentative psi(3D)
Eef van Beveren, George Rupp
Data on B+ --> J/psi phi K+ and the Y(4140) enhancement recently reported by the CDF collaboration [arxiv:0903.2229] are analysed. The threshold behaviour, as well as traces of the…
Interference effects in the X(4260) signal
Eef van Beveren, George Rupp
We show that the long known puzzling branching ratios of open-charm decays in electron-positron annihilation can be reasonably described with a simple form factor, which strongly s…
The X(4260) and possible confirmation of psi(3D), psi(5S), psi(4D), psi(6S) and psi(5D) in J/psi pi+ pi-
Eef van Beveren, George Rupp
Data on e+ e- --> J/psi pi+ pi- and the X(4260) enhancement by the BABAR collaboration [ arXiv:hep-ex/0506081, arXiv:0808.1543 ] are analysed by modelling missing signals that shou…
Multichannel Description of Light and Intermediate Scalar Mesons
Susana Coito, George Rupp, Eef van Beveren
The light scalar mesons in a variety of approaches are briefly reviewed, as well as their description in the Resonance-Spectrum Expansion and related coupled-channel formalisms. A…
Comment on "Two-photon decay of the sigma meson"
Eef van Beveren, Frieder Kleefeld, George Rupp +1
We comment on a recent paper by Giacosa, Gutsche, and Lyobovitskij, in which it is argued that a quarkonium interpretation of the meson should give rise to a much smaller two-p…
Hadronic Molecules and the f0(980)/a0(980)
Tanja Branz, Thomas Gutsche, Valery E. Lyubovitskij
We discuss a possible interpretation of the f0(980) and a0(980) mesons as hadronic molecules - bound states of K and Kbar mesons. Using a phenomenological Lagrangian approach we ca…