Event calendar file
26-31 July 2021
Mexico City
Mexico/General timezone
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- hadron2021@nucleares.unam.mx
Contact information
Mexico City
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Meson Spectroscopy
The $D {\bar{D}}$ bound state in the $\psi (3770) \rightarrow \gamma D^0 {\bar{D}}^0$ decay
Speakers
- Dr. Genaro TOLEDO
Primary authors
- Dr. Genaro TOLEDO (Instituto de Fisica, UNAM)
Co-authors
- Prof. Eulogio OSET BAGUENA (IFIC, University of Valencia CSIC)
- Dr. Lianrong DAI (School of Science, Huzhou University, Huzhou 313000, Zhejiang, China)
Files
Abstract
We compute the $\Psi/3770) \to \gamma D \bar D$ decay, for both the $D^+ D^- $ and $D^0 \bar D^0 $ decays. The $\Psi(3770) \to \gamma D^0 \bar D^0$ transition to go through a loop involving the $D^+ D^- \to D^0 \bar D^0$ scattering amplitude. We take the results for this amplitude from a theoretical model that predicts a $D \bar D$ bound state and find a $D^0 \bar D^0 $ mass distribution in the decay drastically different than phase space.
