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Anomalous Kolar Events and Dark Matter Decay in Dwarf Spheroidal Galaxies [PDF]
arXiv, 2019 Using the Fermi LAT data on the gamma ray emission from dwarf spheroidal galaxies, we get the upper bound on the probability of gamma rays from dark matter decay for the validity of explanation of the anomalous Kolar events as dark matter decay.
arxiv
European Physical Journal C: Particles and FieldsIn this paper, we explore the Oscillating Asymmetric Dark Matter (OADM) model to address the core-cusp problem, aiming to resolve the discrepancy between the predictions of the $$\Lambda \textrm{CDM}$$ Λ CDM cosmological model and the observed dark ...
Júlia G. Mamprim +4 more
doaj +1 more source
Self-interacting Dark Matter Interpretation of Crater II
The Astrophysical Journal LettersThe satellite galaxy Crater II of the Milky Way is extremely cold and exceptionally diffuse. These unusual properties are challenging to understand in the standard model of cold dark matter.
Xingyu Zhang +3 more
doaj +1 more source
The Astronomical JournalThe Draco Dwarf spheroidal (dSph) galaxy is one of the nearest and the most dark-matter-dominated satellites of the Milky Way. We obtained multiepoch near-infrared (NIR, JHK _s ) observations of the central region of Draco dSph covering a sky area of ∼21′
Anupam Bhardwaj +6 more
doaj +1 more source
XENON1T takes a razor to a dark E6-inspired model
Physics Letters B, 2018 Motivated by the recent result of XENON1T collaboration with full exposure, 279 life days, that sets the most stringent limit on the spin-independent dark matter-nucleon scattering cross section we discuss a dark E6-inspired model that features the ...
Daniel A. Camargo +2 more
doaj