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The Fermi LAT observations of the Gamma Ray Bursts
University and INFN of Trieste.
2010 (English)In: Science With The New Generation Of High-Energy Gamma-Ray Experiments / [ed] Cecchi, C; Ciprini, S; Lubrano, P; Tosti, G, American Institute of Physics (AIP), 2010, Vol. 1223, 168-172 p.Conference paper (Refereed)
Abstract [en]

After 15 months of science operation, the Fermi Gamma-ray Burst Monitor has triggered on more than 300 GRBs. including 12 detections above 100 MeV by the Large Area Telescope (LAT). With the Fermi/LAT high-energy photons up to similar to 30GeV (the highest energy ever for GRBs) during the prompt emission were detected as well as long lasting high-energy emission of several kilo-seconds after the trigger time. Here, we present the common properties of the LAT detected bursts and their implications in terms of GRB jet astrophysics. Beyond a better understanding of GRB emission mechanisms, these observations also help to address more fundamental physics issues and constrain some theoretical scenarios for the UHECRs sources.

Place, publisher, year, edition, pages
American Institute of Physics (AIP), 2010. Vol. 1223, 168-172 p.
, AIP Conference Proceedings, ISSN 0094-243X ; 1223
Keyword [en]
gamma-ray sources (astronomical), astronomical telescopes, artificial satellites, spectrum, gamma-ray sources; gamma-ray bursts, X- and gamma-ray telescopes and instrumentation, Artificial Earth satellites, Composition, energy spectra and interactions
National Category
Astronomy, Astrophysics and Cosmology
URN: urn:nbn:se:kth:diva-85817DOI: 10.1063/1.3395982ISI: 000278483100018ISBN: 978-0-7354-0767-1OAI: diva2:500415
7th Workshop on Gamma-ray Physics in the LHC Era; Assisi; 7 October 2009 through 9 October 2009
QC 20120301Available from: 2012-02-13 Created: 2012-02-13 Last updated: 2012-03-01Bibliographically approved

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Moretti, Elena
Astronomy, Astrophysics and Cosmology

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