Münster 2017 – scientific programme
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HK: Fachverband Physik der Hadronen und Kerne
HK 25: Instrumentation VI
HK 25.3: Talk
Tuesday, March 28, 2017, 14:45–15:00, F 072
Detector Response of the CALIFA Endcap — Roman Gernhäuser, •Benjamin Heiss, Philipp Klenze, Patrick Remmels, Felix Stark, and Max Winkel for the R3B collaboration — Technische Universität München
The 4π-calorimeter CALIFA is one of the major detectors of the R3B-experiment at the upcoming Facility for Antiproton and Ion Research (FAIR) in Darmstadt. This calorimeter with 2464 CsI(Tl) crystals and 96 Phoswich detectors provides a high efficiency, good energy resolution of about 5 % at 662 keV γ energies and a large dynamic range, allowing a simultaneous measurement of γ rays at E > 100 keV and scattered protons up to E < 700 MeV. Especially in the forward section of CALIFA, the Endcap, the highest particle rates and energies paired with highly doppler shifted γ rays are expected. This talk will show a full simulation of the detector response in a (p,2p) reaction in direct kinematics at 500 MeV. A special focus is on the coincident measurement of light charged particles and γ rays. We will present results particle reconstruction efficiencies, background suppression, and energy resolution of the total reconstructed energy. Supported by BMBF Project 05P15WOFNA.