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Dark matter (DM) remains one of the greatest problems to our understanding of cosmology. The presence of universally pervading extra mass is clear and has been precisely measured; however excluding its presence in the Universe, the nature and properties of dark matter remain elusive. The Standard Model (SM) is known not to host viable dark matter candidate particles, which has led to the consideration of various extensions to the SM, as dark matter candidates' hosting theories. Astrophysical sources offer attractive laboratories for indirect testing and constraining the properties of dark matter through indirect detection of its annihilation or decay products (e.g. photons, neutrinos, charged particles). Indirectly these searches allow also to test the predictions of the SM extensions which host DM-candidate particles.
In this seminar we will briefly review several SM extensions which naturally provide dark matter candidates, including sterile neutrino, axion-like particles and dark photons. We will discuss environments most suitable for other than gravitational manifestation of the considered particles and potential ways to detect these manifestations. We will review existing constraints on the parameters of DM candidates, perspectives for indirect DM searches as well as discuss the improvement in the area which can be achieved with the next-generation space and ground-based missions.
Denys Malyshev obtained his PhD degree from Dublin Institute for Advanced Studies in 2011. Then he has worked as a postdoc researcher at Bogolyubov Institute for Theoretical Physics, Kyiv, UK from 2011 to 2013, and at ISDC Data Center for astrophysics, Versoix, Switzerland from 2013 to 2016, now he is a scientific researcher and the coordinator of the research line on Indirect Detection on Dark Matter at the University of Tuebingen, Germany.
Video record is available within SJTU: https://vshare.sjtu.edu.cn/play/fdc2f90658b0a63974d14078970347fb