IN-PRP-2015-004

The PANDA detector at FAIR (Facility for Antiproton and Ion Research) in Darmstadt (Germany) aims to conduct an antiproton-proton experiment with a very high rate capability, up to 10^7 interactions/s. In the past 12 years several unpredicted resonant states were observed, making richer the charm and charmonium spectrum. Prominent examples are the so called Z charged states and their neutral partners, which were first observed at the Belle and BES III experiments two years ago, and some of them recently confirmed by LHCb. They have risen the interest in searching for charmonium-like states. Measurements in pbar p annihilation are complementary to what has been achieved in this sector by the past e+e- colliders, or running experiments in pp collisions. In this short report, we present some extrapolations to understand the level of competitiveness of PANDA, in the first day of data taking, assuming a luminosity equal to 10^31 cm^-2 s^-1.

Notification:
The numbers on X,Y,Z production given in this note are calculated based on input numbers coming from outside of the collaboration, like e.g. cross section measurements by other experiments. Therefore the resultant numbers quoted might to be updated in the future using newer or more precise input values.
-- NB that this note will not be updated each time accordingly in the future.