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T: Teilchenphysik

T 201: Kosmische Strahlung III

T 201.7: Talk

Tuesday, March 11, 2003, 15:30–15:45, FO6

Muon background rejection for the MAGIC telescope — •Keiichi Mase^1,2, Razmik Mirzoyan¹, Kenji Shinozaki^1,2, and Masahiro Teshima³ — ¹Max–Planck–Institut für Physik, Föhringer Ring 6, D–80805 München — ²on leave from Institute for Cosmic Ray Research — ³Institute for Cosmic Ray Research, University of Tokyo, 5–1–5 Kashiwa–no–Ha, Kashiwa City, Chiba 277–8582, Japan

In order to provide the optimal sensitivity of the MAGIC telescope it is important to reduce the background due to muon triggers. The muonss which have large angular deviation from the axes of showers may give triggers and appear as “single” muon events sometimes mimicking γs. Strategies to reduce this background are presented.