Darmstadt 2016 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 38: Instrumentation X

HK 38.6: Talk

Wednesday, March 16, 2016, 15:30–15:45, S1/01 A2

Testbeam results of the PANDA Endcap Disc Dirc — •Erik Etzelmüller, Klim Biguenko, Michael Düren, Avetik Hayrapetyan, Julian Rieke, and Mustafa Schmidt for the PANDA collaboration — II. Physikalisches Institut, Justus-Liebig-Universität, Gießen, Deutschland

The physics program of the PANDA detector at the future FAIR facility at GSI requires excellent particle identification. For the PANDA forward endcap region a novel detector type called "Disc DIRC" has been designed. It covers the angular range between 5 and 22 degrees and uses internally reflected Cherenkov light in order to separate pions, kaons and protons up to a momentum of 4 GeV/c.

A new prototype was tested at the PS East Area at CERN in May 2015. For the first time all optical components consisted of fused silica and different MCP-PMT sensors were used for the photon detection. A summary of the analysis will be presented along with results from in-house tests for the individual components.