During the first pp production run the HADES spectrometer was equipped with an almost complete outer tracking system. The main goal of this experiment was to collect data to identify the pp->ppη reaction channel via exclusive reconstruction of the hadronic and dielectron decay channel, in order to provide a reference for dielectrons measured by HADES in C+C collisions at similar energies. Furthermore, pp elastic scattering channel was selected for systematic studies of the high resolution tracking system recently installed in the spectrometer. We present the status of HADES high resolution tracking reconstruction on example of pp elastic scattering reconstruction. We show the particle identification capability of the spectrometer, and exclusive channel reconstruction for four charged particle events.
Exclusive channel identification in PP collisions in hades
SPATARO, STEFANO GIOVANNI
2005-01-01
Abstract
During the first pp production run the HADES spectrometer was equipped with an almost complete outer tracking system. The main goal of this experiment was to collect data to identify the pp->ppη reaction channel via exclusive reconstruction of the hadronic and dielectron decay channel, in order to provide a reference for dielectrons measured by HADES in C+C collisions at similar energies. Furthermore, pp elastic scattering channel was selected for systematic studies of the high resolution tracking system recently installed in the spectrometer. We present the status of HADES high resolution tracking reconstruction on example of pp elastic scattering reconstruction. We show the particle identification capability of the spectrometer, and exclusive channel reconstruction for four charged particle events.
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