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T: Fachverband Teilchenphysik

T 68: Poster

T 68.2: Poster

Dienstag, 25. März 2014, 16:45–19:00, ReWi EG

Simulation of a Compton-Telescope with a liquid Xenon-TPC — •Frank Steinke, Cyril Grignon, and Uwe Oberlack — Johannes Gutenberg-Universität Mainz

MeV gamma-ray astrophysics provides a little explored window into an energy regime which promises a multitude of new insights. It comprises gamma-ray bursts, MeV blazars, or extragalactic background radiation in the continuum, and it is the energy regime of positron annihilation and nuclear transitions. Gamma-ray lines from isotopes such as ⁵⁶Ni, ⁴⁴Ti, ²⁶Al or ⁶⁰Fe can provide unique insights into, e.g., the inner workings of supernova explosions and ongoing nucleosynthesis. Compton scattering is the dominant interaction in this energy range, making a Compton telescope the most promising detector principle. Here we present a Monte Carlo study of a combination of Si pixels as scatter detector and a liquid xenon TPC as position-sensitive calorimeter.