Abstract
The Forward Spectrometer designed for the P̄ANDA detector will consist of many different detector systems allowing for precise track reconstruction and particle identification. Feasibility studies for Forward Spectrometer done by means of specific reactions will be presented. In the first part of the paper, results of simulations focussing on rate estimates of the tracking stations based on straw tubes will be presented. Next, the importance of the Forward Tracker will be demonstrated through the reconstruction of the ψ(4040) → DD̄ decay. Finally, results from the analysis of the experimental data collected with a straw tube prototype designed and constructed at the Research Center in Juelich will be discussed.
Highlights
PANDA is one of the major experiments that will be installed at the international FAIR facility in the site of the GSI laboratory (Darmstadt, Germany)
The PANDA experiment will use the antiproton beam from the High Energy Storage Ring (HESR) colliding with an internal proton target to carry out a rich and diversified hadron physics program, which includes the charmonium and open charm spectroscopy, the search for exotic hadrons and the study of in-medium modifications of hadron masses [1]
The tracking stations will be exposed to high local particle fluxes, reaching 104 cm-2s-1 close to the beam pipe at the maximum interaction rate of 2·107 s-1 expected in the high luminosity mode of PANDA
Summary
PANDA is one of the major experiments that will be installed at the international FAIR facility in the site of the GSI laboratory (Darmstadt, Germany). It will use the high-intensity phase-space cooled antiproton beams provided by the High Energy Storage Ring (HESR). A solenoid and a dipole will provide the magnetic field inside the TS and FS, respectively.The combination of the two spectrometers allows for a full angular coverage and high acceptance for a wide range of energies. The system consists of three pairs of tracking stations (see figure 1): one pair (FT1, FT2) is placed in front, the second (FT5, FT6) behind the dipole magnet and the third pair (FT3, FT4) is placed inside the magnet gap to track low momentum particles. The tracking stations will be exposed to high local particle fluxes, reaching 104 cm-2s-1 close to the beam pipe at the maximum interaction rate of 2·107 s-1 expected in the high luminosity mode of PANDA
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