Hamburg 2016 – scientific programme
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ST: Fachverband Strahlen- und Medizinphysik
ST 6: Biomedical Imaging II and Radiation Therapy II
ST 6.4: Talk
Thursday, March 3, 2016, 11:45–12:00, VMP6 HS C
GEMPIX Detector: Towards Application in Microdosimetry and 3D Energy Deposition Measurements in Proton and Ion Therapy — Jerome Alozy1, Alessandro Curioni1,2, Stuart George1,3, •Johannes Leidner1,4, Fabrizio Murtas1,5, Marco Silari1, and Achim Stahl4 — 1CERN, 1211 Geneva 23, Switzerland — 2Politecnico di Milano, 20133 Milano, Italy — 3University of Wollongong Centre for Medical Radiation Physics, Wollongong NSW 2522, Australia — 4III. Physikalisches Institut B, RWTH Aachen, 52064 Aachen, Germany — 5INFN LNF, 00044 Frascati, Italy
The GEMPIX is a Triple-GEM gas detector read out by a 55 µm pitch pixelated ASIC (the Timepix readout chip). It is operated as a highly compact (10 cm3) time projection chamber. Characterisation measurements with photons, alpha particles and relativistic protons will be presented. Future use of this detector as a microdosimeter and for measurements of the 3D energy deposition in a water phantom in proton and ion therapy is discussed.