Mainz 2012 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 5: Instrumentation
HK 5.7: Vortrag
Montag, 19. März 2012, 15:45–16:00, P 3
Performances of the HADES electromagnetic calorimeter* — •Kirill Lapidus — TU München, Boltzmannstr. 2, 85748 Garching, Germany
The High Acceptance Di-Electron Spectrometer is a multipurpose detector located at the GSI Helmholtzzentrum. An electromagnetic calorimeter for the HADES experiment is currently under construction. The calorimeter allows to reconstruct photons and improves the purity of the electron/positron identification at high momenta (p > 0.5 GeV/c).
Realistic simulations of the calorimeter performance, based on results of experimental tests, will be presented. First, it will be shown that the proposed calorimeter gives access to a variety of interesting physics channels, including production of rare strange resonances, in pion-proton and proton-proton reactions. Afterwards, π0, η reconstruction and the electron-pion separation in heavy-ion reactions at 2–8 AGeV will be discussed.
*Supported by BMBF and Excellence Cluster “Universe”.