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July 29, 2015 to August 6, 2015
World Forum
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Fermi LAT observations of high energy gamma rays from the Moon

Jul 30, 2015, 3:30 PM
1h
Mississippi Foyer (World Forum)

Mississippi Foyer

World Forum

Churchillplein 10 2517 JW Den Haag The Netherlands
Board: 77
Poster contribution GA-EX Poster 1 GA

Speaker

Francesco Loparco (Universita e INFN, Bari (IT))

Description

We have measured the gamma-ray emission spectrum of the Moon using a the data collected by the Large Area Telescope onboard the Fermi satellite during its first 77 months of operation, in an energy range from 30 MeV up to a few GeV. We have developed a full Monte Carlo simulation describing the interactions of cosmic rays with the Moon surface and the subsequent production of gamma rays using the FLUKA code. The observations can be explained in the framework of this model, where the production of gamma rays is due to the interactions of charged cosmic rays with the surface of the Moon. From the simulation results we have also inferred the cosmic-ray proton spectrum at low energies starting from the gamma-ray measurements. A time evolution study of the gamma-ray emission will be also presented.
Registration number following "ICRC2015-I/" 407
Collaboration FERMI

Primary authors

Francesco Loparco (Universita e INFN, Bari (IT)) Mario Nicola Mazziotta (Universita e INFN, Bari (IT))

Co-authors

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