Berlin 2005 – wissenschaftliches Programm

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T: Teilchenphysik

T 302: Kosmische Strahlung IV

T 302.7: Vortrag

Freitag, 4. März 2005, 18:00–18:15, TU H106

The study of Gamma Ray Bursts with the MAGIC Telescope — •Satoko Mizobuchi^1,2 and Markus Garczarczyk¹ — ¹Max-Planck-Institut fuer Physik, Foehringer Ring 6, 80805 Muenchen, Germany — ²Department of Physics, Ehime University, 3 Bunkyo-cho, Matsuyama 790-8577, Japan

We expect a cutoff in the energy spectrum of gamma-rays from GRBs around 10-100GeV energy, because the gamma rays are attenuated through the interaction with diffuse background light. MAGIC Telescope is a unique detector which can explore this energy region. In this report, we discuss the MAGIC Telescope sensitivity with respect to the energy spectrum and the cutoff energy position. A measurement of the GRB energy spectrum is important to constrain the particle acceleration models in GRBs and to estimate the gamma ray horizon.