Brief Review of Charm Physics

Abstract

Charm physics has attracted increased attention after first evidence for charm mixing was observed in 2007. The level of attention has risen sharply after LHCb reported first evidence for CP violation in the charm sector. Neither mixing nor CP violation have been established by a single unambiguous measurement to date. This review covers the status of mixing and CP violation measurements and comments on the challenges on the road ahead, both on the experimental and theoretical side, and on ways to tackle them.

24 pages, 2 figures, invited review submitted for publication in Modern Physics Letters A

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• The mass spectra and decay properties of dimesonic states, using the Hellmann potential
• Prediction of a $Z_c(4000)$ $D^{\ast }{\bar{D}}^{\ast }$ state and relationship to the claimed $Z_c(4025)$
• CP violation in the B system
• Mass spectra of dimesonic states in light flavour sector
• Selected Topics in Heavy Flavour Physics
• The charm physics programme at the LHCb upgrade, and Atlas and CMS upgrades
• Searching for a hidden charm $h_1$ state in the $X(4660)\to \eta h_1$ and $X(4660)\to \eta D^{\ast }{\bar{D}}^{\ast }$ decays
• Searches for New Physics in CP Violation from BaBar