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Št. zadetkov: 6
Equilibrium axisymmetric halo model for the Milky Way and its implications for direct and indirect dark matter searches
Mihael Petač
Izvirni znanstveni članek
Oznake: dark matter;astrophysics;galaxies;high energy physics;experiments;phenomenology;
We for the first time provide self-consistent axisymmetric phase-space distribution models for the Milky Way's dark matter (DM) halo which are carefully matched against the latest kinematic measurements through Bayesian analysis. By using broad priors on the individual galactic components, we derive ...
Leto: 2020 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Galactic dark matter distribution and its implications for experimental searches
Mihael Petač
Doktorska disertacija
Oznake: dark matter;phase-space distribution function;dwarf spheroidal galaxies;spiral galaxies;Milky Way;dissertations;direct detection;indirect detection;
Galactic dark matter distribution and its implications for experimental searches
Leto: 2019 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Experimental bounds on sterile-active neutrino mixing angles
Mihael Petač
Magistrsko delo
Oznake: sterile neutrinos;neutrino mixing;see-saw;high-energy physics;phenomenology;experiments;
Despite the success of the Standard Model in the last few decades, we know it is not complete. There is strong motivation for assuming the existence of additional heavy neutral leptons, which can account for active neutrino masses and possibly also have cosmological implications. In this work I cons ...
Leto: 2015 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Two-integral distribution functions in axisymmetric galaxies
Mihael Petač, Piero Ullio
Izvirni znanstveni članek
Oznake: dark matter;astrophysics of galaxies;high energy physics;phenomenology;
We address the problem of reconstructing the phase-space distribution function for an extended collisionless system, with known density profile and in equilibrium within an axisymmetric gravitational potential. Assuming that it depends on only two integrals of motion, namely the energy and the compo ...
Leto: 2019 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
On velocity-dependent dark matter annihilations in dwarf satellites
Mihael Petač, Piero Ullio, Mauro Valli
Izvirni znanstveni članek
Oznake: dark matter;indirect detection;dwarf satellites;sommerfeld enhancement;gamma-rays;
Milky Way dwarf spheroidal satellites are a prime target for Dark Matter (DM) indirect searches. There have been recent reassessments of the expected DM gamma-ray signals in case of long-range interactions, commonly known as Sommerfeld enhancement. Since details of the underlying DM phase-space dist ...
Leto: 2018 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Testing the predictions of axisymmetric distribution functions of galactic dark matter with hydrodynamical simulations
Mihael Petač, Julien Lavalle, Arturo Núñez-Castiñeyra, Emmanuel Nezri
Izvirni znanstveni članek
Oznake: galaxy dynamics;dark matter experiments;dark matter simulations;dark matter theory;cosmology;nongalactic astrophysics;astrophysics of galaxies;high energy physics;
Signal predictions for galactic dark matter (DM) searches often rely on assumptions regarding the DM phase-space distribution function (DF) in halos. This applies to both particle (e.g. p-wave suppressed or Sommerfeld-enhanced annihilation, scattering off atoms, etc.) and macroscopic DM candidates ( ...
Leto: 2021 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Št. zadetkov: 6
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