Gamma Ray Bursts: Observations and Theoretical Conjectures

CERN Document Server (European Organization for Nuclear Research)2008

J. Wicht, D R Boiti, E. Alagöz, Vega A López, M. Grimes, Mora C Herrera, C. A. Carrillo Montoya, G T Golup, Palomino J L Gallo

Abstract

Gamma Ray Bursts (GRBs) are short bursts of very high energy photons which were discovered in the late 1960s. Ever since their discovery, scientists have wondered about their origin. Nowadays it is known that they originate outside the Milky Way because of their high red shift rst measured in the afterglows thanks to the Beppo-SAX satellite and ground-based observations. However, theoreticians still do not agree about the mechanism that generates the bursts, and different competing models are animatedly debated. Current GRB experiments include the Swift satellite and the Pierre Auger Observatory that could detect GRBs with an increase of the background. A forthcoming dedicated experiment is GLAST, a satellite observatory for detecting gamma rays with energies up to 300 GeV, whose launch is scheduled for early 2008.

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