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Center for Astrophysics Research and Technologies Seminar Series Information


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Milli-magnetic monopole dark matter and the survival of Galactic Magnetic Fields

Tuesday November 23, 2021
2:00 pm

 Presenter:  Michael Graesser (LANL)
 Series:  Nuclear, Particle, Astroparticle and Cosmology (NUPAC) Seminars
 Abstract:  Dark sectors with Abelian gauge symmetries can generically interact with Standard Model particles through kinetic mixing. If monopoles exist in the dark sector and form a sizable component of dark matter, they can affect the survival of the Milky Way's Galactic magnetic field. In this talk I will present results that revise and extend this "Parker Bound" on galactic magnetic energy loss to milli-magnetic monopoles, which leads to the strongest existing constraints on these particles, satisfying our halo ellipticity bounds, over a wide range of dark magnetic monopole masses.
 Host:  Rouzbeh Allahverdi
 Location:  Zoom

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