Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aps..aprb17048m&link_type=abstract
American Physical Society, April Meeting, Jointly Sponsored with the High Energy Astrophysics Division (HEAD) of the American As
Astronomy and Astrophysics
Astrophysics
Scientific paper
In last August at Palestine, Texas, we have successfully launched the Balloon Flight Engineering Model (BFEM), that represents one of 16 towers of the LAT on board the GLAST satellite planned to be launched in 2006. One of the main purpose of this experiment is to collect particle incidences as well as validate the LAT design in a space-like environment, and utilize the obtained data as a background data base for GLAST. For this balloon experiment, we have developed a Geant4-based Monte-Carlo simulator for the BFEM and cosmic-ray generators of protons, electrons, positrons, muons, and atmospheric gammas. This is one of a few applications of Geant4 to relatively low-energy gamma-ray mission, hence we need to develop the simulator carefully. We have succeeded to reproduce the observed trigger rate in our simulator, and a detailed comparison between the data and simulation is underway. In this presentation, we will show our study of BFEM data based on the simulation.
Fukazawa Yasushi
Handa Takanobu
Kamae Tuneyoshi
Karlsson Niklas
Kelly Heather
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