Publication:
Indirect constraints to branon dark matter

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http://dx.doi.org/10.1063/1.4734447
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Publication Date
2012
Authors
Cruz Dombriz, Álvaro de la
Gammaldi, Viviana
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Amer Inst Physics
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Abstract
If the present dark matter in the Universe annihilates into Standard Model particles, it must contribute to the gamma ray fluxes detected on the Earth. Here we briefly review the present constraints for the detection of gamma ray photons produced in the annihilation of branon dark matter. We show that observations of dwarf spheroidal galaxies and the galactic center by EGRET, Fermi-LAT or MAGIC are below the sensitivity limits for branon detection. However, future experiments such as CTA could be able to detect gamma-ray photons from annihilating branons of masses above 150 GeV.
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© 2012 American Institute of Physics. We would like to thank Daniel Nieto for useful comments. This work has been supported by MICINN (Spain) project numbers FIS 2008-01323, FIS2011-23000, FPA 2008- 00592, FPA2011-27853-01 and Consolider-Ingenio MULTIDARK CSD2009 00064. AdlCD also acknowledges the URC (University Research Council) and the National Research Foundation (South Africa). Spanish Relativity Meeting on Towards New Paradigms (ERE)(2011. Madrid, España)
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Física (Física)
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22 Física
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https://hdl.handle.net/20.500.14352/45521
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