Heidelberg 2015 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 60: Instrumentation 18
HK 60.4: Vortrag
Donnerstag, 26. März 2015, 18:15–18:30, M/HS2
Development of a large area TEGIC-Detector for Heavy Ions — •Steffen Maurus1, Roman Gernhäuser1, Max Winkel1, Ludwig Maier1, Chiara Nociforo2, and Stephane Pietri2 — 1Technische Universität München, E12 — 2GSI Darmstadt
New accelerator facilities like the Facility for Antiproton and Ion Research (FAIR) at the GSI with higher beam intensities for secondary and primary beam experiments taking established detector system to
their limit of operation.
In order to separate fragments of interest a new Super FRagment Separator (Super-FRS) is under development. Regarding the identification of the proton number of
the fragment beam cocktail produced by fragmentation or fission of heavy beams at the Super-FRS target a
new promising concept is the tilted electrode gas ionisation chamber (TEGIC) consisting of a series of plane electrodes
tilted with
respect to the beam axis. The detector was also equipped with additional position sensitive sections.
A design concept of a TEGIC with a position sensitive extension was developed and realized with the construction of a
full scale detector. In
addition a test experiment was performed at the fragment separator of GSI with a secondary beam from uranium fragmentation at 700 MeV/u using a fully digital
readout system for pile up handling.
We will report on a systematic study of the energy loss measurement and its particle rate dependency for ions in the range of Z ∼ 50.
This work is supported by MLL München and GSI Darmstadt.