Journal
PHYSICS OF THE DARK UNIVERSE
Volume 2, Issue 1, Pages 17-21Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.dark.2012.12.001
Keywords
Dark matter indirect detection; Fermi-LAT signal
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Funding
- NSF [PHY-1066293, PHY-0970173, PHY-0970171]
- NSF [PHY-1066293, PHY-0970173, PHY-0970171]
- Direct For Mathematical & Physical Scien [970173] Funding Source: National Science Foundation
- Direct For Mathematical & Physical Scien
- Division Of Physics [0970171] Funding Source: National Science Foundation
- Division Of Physics [970173] Funding Source: National Science Foundation
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We explore theories of dark matter in which dark matter annihilations produce mono-energetic gamma rays (lines'') in the context of effective field theory, which captures the physics for cases in which the particles mediating the interaction are somewhat heavier than the dark matter particle itself. Building on earlier work, we explore the generic signature resulting from SU(2) x U(1) gauge invariance that two (or more) lines are generically expected, and determine the expected relative intensities, including the possibility of interference between operators. (C) 2013 The Authors. Published by Elsevier B.V.
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