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Münster 2011 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 39: Instrumentierung - Poster

HK 39.24: Poster

Mittwoch, 23. März 2011, 14:00–16:00, Foyer Chemie

Pion Tracker for HADES spectrometer — •Rafał Lalik — Excellence Cluster “Universe”, TU München, Boltzmannstr.2, 85748 Garching, Germany

The pion tracker is a new detector component for the High Acceptance Di-Electron Spectrometer (HADES) for future pion beam experiments opening a new age of measurements with HADES.

In our group, we are currently developing a tracker system, based on double-sided silicon strip detectors for momentum and position measurements of pion beams with 1-2 GeV/c at SIS18, GSI. The challenging issue is to achieve an accurate measurement (≈ ‰) of each pion in a high intensity (108 part./spill) environment. The envisaged rate of 106 part./spill at the HADES target point requires a fast readout for these devices.

Silicon detectors with higher radiation hardness are currently being tested. For the readout, we have developed a system based on the Time-to-Digital converters (TDC-TRB) as a front-end within TRBnet as a DAQ system. Also a future readout based on n-XYTER ASICs is under development.

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