Limits on the Weyl meson parameters due to Fermi-LAT gamma-ray observations

2014/05/04 by Gopal Kashyap, Kashyap, Gopal
Physics and Astronomy · #Astrophysics of Galaxies (astro-ph.GA) #Cosmology and Gravitation Theories #Dark Matter and Cosmic Phenomena #FOS: Physical sciences #High Energy Astrophysical Phenomena (astro-ph.HE) #High Energy Physics - Phenomenology (hep-ph) #Particle physics theoretical and experimental studies #Scientific Research and Discoveries #astro-ph.GA #astro-ph.HE #hep-ph

paper · pdf · doi:10.48550/arxiv.1405.0679

9 pages, 6 figures

openalex publication_date 2014/05/04 · arxiv created 2014/08/13 · arxiv updated 2014/08/14 · openalex created_date 2022/09/01 · openalex updated_date 2026/07/28

Abstract

We use gamma-ray observations by the Fermi Large Area Telescope (Fermi-LAT) to impose limits on the properties of the hypothetical particle Weyl meson. Such mesons arise in theories which display local scale invariance and act as dark matter candidate. In a generalized locally scale invariant Standard Model it can decay or annihilate to the photon pair through the Higgs channel. We find that Fermi-LAT observations severely constrain the parameters of the Weyl meson.

Citations

• Search for An Annual Modulation in Three Years of CoGeNT Dark Matter Detector Data
• Spectral and spatial variations of the diffuse gamma-ray background in the vicinity of the Galactic plane and possible nature of the feature at 130 GeV

Related

• Fermi-LAT and the Gamma-Ray Line Search
• Constraining Gamma-ray Lines from Dark Matter Annihilation using Fermi-LAT and H.E.S.S. data
• The Fermi Gamma Ray Sky: summary of recent Observations
• Constraints on Lorentz Invariance Violation with Fermi-LAT Observations of Gamma-Ray Bursts
• Reconstructing Dark Matter Properties via Gamma-Rays with Fermi-LAT