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Title:Galactic Dark Matter signal and the Fermi-LAT measurement of the diffuse gamma-ray emission
Authors:ID Zaharijas, Gabrijela, UNG (Author)
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Language:English
Work type:Not categorized
Typology:1.08 - Published Scientific Conference Contribution
Organization:UNG - University of Nova Gorica
Abstract:We study diffuse gamma-ray emission at intermediate Galactic latitudes measured by the Fermi LAT with the aim of searching for a signal from dark matter annihilation or decay. In the absence of a robust dark matter signal, constraints are presented. We present and improve upon conservative dark matter limits obtained with no modeling of the foreground astrophysical diffuse emission. We do so, by taking into account uncertainties in several parameters which characterize conventional astrophysical emission and using a profile likelihood formalism. The resulting limits impact the range of particle masses over which dark matter thermal production in the early Universe is possible, and challenge the interpretation of the PAMELA/Fermi-LAT cosmic ray anomalies as annihilation of dark matter.
Keywords:Dark matter, high-energy gamma rays
Number of pages:415-608
Numbering:44/5, 415-608
PID:20.500.12556/RUNG-2196 New window
COBISS.SI-ID:4168699 New window
DOI:http://inspirehep.net/record/1318537 New window
NUK URN:URN:SI:UNG:REP:MFNSQ50G
Publication date in RUNG:21.03.2016
Views:5700
Downloads:0
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ZAHARIJAS, Gabrijela, no date, Galactic Dark Matter signal and the Fermi-LAT measurement of the diffuse gamma-ray emission. In : 33rd International Cosmic Ray Conference (ICRC2013) [online]. Published Scientific Conference Contribution. p. 415–608. [Accessed 7 April 2025]. Retrieved from: https://repozitorij.ung.si/IzpisGradiva.php?lang=eng&id=2196
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Record is a part of a proceedings

Title:33rd International Cosmic Ray Conference (ICRC2013)

Record is a part of a journal

Title:Braz.J.Phys.
Publisher:The Astroparticle Physics Conference
ISSN:1678-4448

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