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Effect of polarisation and choice of event generator on spectra from dark matter annihilations
Carl Niblaeus, Jonathan M. Cornell, Joakim Edsjö
If indirect detection searches are to be used to discriminate between dark matter particle models, it is crucial to understand the expected energy spectra of secondary particles su…
Neutrinos and gamma rays from long-lived mediator decays in the Sun
Carl Niblaeus, Ankit Beniwal, Joakim Edsjo
We investigate a scenario where dark matter (DM) particles can be captured and accumulate in the Sun, and subsequently annihilate into a pair of long-lived mediators. These mediato…
Neutrinos from cosmic ray interactions in the Sun
Joakim Edsjo, Jessica Elevant, Rikard Enberg +1
Cosmic rays hitting the solar atmosphere generate neutrinos that interact and oscillate in the Sun and oscillate on the way to Earth. These neutrinos could potentially be detected…
WIMP diffusion in the solar system including solar WIMP-nucleon scattering
Sofia Sivertsson, Joakim Edsjo
Dark matter in the form of Weakly Interacting Massive Particles (WIMPs) can be captured by the Sun and the Earth, sink to their cores, annihilate and produce neutrinos that can be…
Accurate calculations of the WIMP halo around the Sun and prospects for its gamma-ray detection
Sofia Sivertsson, Joakim Edsjo
Galactic weakly interacting massive particles (WIMPs) may scatter off solar nuclei to orbits gravitationally bound to the Sun. Once bound, the WIMPs continue to lose energy by repe…
Dark matter interpretation of recent electron and positron data
Lars Bergstrom, Joakim Edsjo, Gabrijela Zaharijas
We analyze the recently released Fermi-LAT data on the sum of electrons and positrons. Compared to a conventional, pre-Fermi, background model, a surprising excess in the several h…