Study of the nucleon structure with the PANDA experiment at FAIR
March 02, 2022
The PANDA experiment is a core project of the future Facility for Antiproton and Ion Research (FAIR) at GSI in Darmstadt. It will measure annihilation reactions induced by a high intensity antiproton beam of momentum in the range between 1.5 GeV/c and 15 GeV/c. An important part of the PANDA physics program will be dedicated to the investigation of the nucleon structure using electromagnetic processes. Measurements of the proton electromagnetic form factors in the time-like region, nucleon-to-meson transition distribution amplitudes, generalised distribution amplitudes, and transverse momentum dependent parton distribution functions, are foreseen at PANDA. In the framework of the PANDARoot software, which encompasses PANDA detector simulation and event reconstruction, feasibility studies for the measurement of various electromagnetic processes have been performed. It has been shown that unique studies of the nucleon structure can be experimentally performed at PANDA. In this report, the physics program of PANDA related to the study of the electromagnetic form factors and the transition distribution amplitudes is described with the results of the Monte Carlo feasibility studies.
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