Conveners
Hadron Spectroscopy: Hadron Spectroscopy
- Colin Morningstar (Carnegie Mellon University)
I discuss a coupled-channel model for heavy quarkonium spectroscopy, based on the Unquenched Quark Model Formalism (UQM) with some modifications. The previous model is used to calculate the masses of $\chi_c(2P)$ and $\chi_b(3P)$ states with threshold corrections. Other applications of the coupled-channel model are briefly discussed.
The measurement of exclusive $e^+e^-$ to hadrons processes is a significant part of the physics program of BABAR detector, aimed to improve the calculation of the hadronic contribution to the muon $g−2$ and to study the intermediate dynamics of the processes. We present the most recent results obtained by using the full data set of about 470 $fb^{−1}$ collected by the BABAR experiment at the...
The BESIII experiment at the Beijing Electron Positron Collider (BEPCII)
collected about 13 fb-1 of data in the energy range 4.0 GeV~ 4.6 GeV
dedicated to the study of potentially exotic states in the charmonium region.
Vector resonances, such as the Y (4260), are studied in lineshape analyses of
various exclusive e+e- ->hadrons cross sections. Some of these reactions,
e.g., e+e--> gamma J/psi...
We calculated the decay widths of hybrid mesons [1], considered as hadrons that carry both quark-antiquark and gluon degrees of freedom.
In the construction of hybrid wave functions we follow the coupling scheme adopted for gluelump studies [2], in which the energy spectrum of gluelumps, which are the states obtained by considering a gluon field bound a static color octet (given for example...
