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hep-ph2025
Putting all the X in one basket: Updated X-ray constraints on sub-GeV Dark Matter
Marco Cirelli, Nicolao Fornengo, Jordan Koechler +2
Sub-GeV dark matter particles can annihilate or decay producing e^\pm pairs which upscatter the low-energy photon fields in the Galaxy and generate an X-ray emission (via the Inver…
hep-ph2025
Observing Dark Matter Decays to Gravitons via Graviton-Photon Conversion
David I. Dunsky, Gordan Krnjaic, Elena Pinetti
Since dark matter is only known to have gravitational interactions, it may plausibly decay to gravitons on cosmological timescales. Although such a scenario can be easily realized,…
hep-ph2025
First constraints on QCD axion dark matter using James Webb Space Telescope observations
Elena Pinetti
I present the first constraints on QCD axion dark matter using measurements from the James Webb Space Telescope. By utilizing publicly available MIRI and NIRSpec blank-sky observat…