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Measurement of the high-energy gamma-ray emission from the Moon with the Fermi Large Area Telescope
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2016 (English)In: PHYSICAL REVIEW D, ISSN 2470-0010, Vol. 93, no 8, 082001Article in journal (Refereed) Published
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Abstract [en]

We have measured the gamma-ray emission spectrum of the Moon using the data collected by the Large Area Telescope onboard the Fermi satellite during its first seven years of operation, in the energy range from 30 MeV up to a few GeV. We have also studied the time evolution of the flux, finding a correlation with the solar activity. We have developed a full Monte Carlo simulation describing the interactions of cosmic rays with the lunar surface. The results of the present analysis can be explained in the framework of this model, where the production of gamma rays is due to the interactions of cosmic-ray proton and helium nuclei with the surface of the Moon. Finally, we have used our simulation to derive the cosmic-ray proton and helium spectra near Earth from the Moon gamma-ray data.

Place, publisher, year, edition, pages
2016. Vol. 93, no 8, 082001
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Physical Sciences Astronomy, Astrophysics and Cosmology
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URN: urn:nbn:se:kth:diva-185974DOI: 10.1103/PhysRevD.93.082001ISI: 000373584900002Scopus ID: 2-s2.0-84963657104OAI: oai:DiVA.org:kth-185974DiVA: diva2:925925
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QC 20160503

Available from: 2016-05-03 Created: 2016-04-29 Last updated: 2016-11-29Bibliographically approved

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