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Münster 2011 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 39: Instrumentierung - Poster

HK 39.38: Poster

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

Test measurements with a pixelated silicon detector and a diode for microbeam dosimetry purposes — •Philipp Schroegel1, Adrian Schmidt1, Michael Boehnel2, and Ulrike Gebert21ECAP, Hadron Physics Group, Universität Erlangen-Nürnberg — 2ECAP, Novel Detectors/Medical Physics Group, Universität Erlangen-Nürnberg

The radiobiological measurement station at the vertical beam of the Erlangen Tandem Van-de-Graaff accelerator is currently equipped with scintillation detectors for dosimetry purposes. The data is calibrated with simulation results to gain the energy information. While the scintillation detectors offer a high rate stability and surface, more detailed radiobiological investigations of DNA damage along the tracks of low-energy protons require a detection system with higher energy and spatial resolution.

Spectroscopic test measurements of a multi-isotope alpha emitter have been conducted with the pixelated silicon detector Timepix and a surface barrier diode to investigate the energy resolution of the detectors and feasibility for the usage at the radiobiological measurement station.

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