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AstroParticle Lunch: "Dark Matter Ignition of Type Ia Supernovae and the R-Process Abundance of Reticulum II" Joseph Bramante (Notre Dame)

Oval
Fri, January 29, 2016
11:30 am - 12:30 pm
PRB M2005

Recent studies of low-redshift type Ia supernovae indicate that half explode from sub-Chandrasekhar mass progenitor white dwarfs. This talk explains how asymmetric dark matter would ignite sub-Chandrasekhar white dwarfs, and form star-destroying black holes inside old neutron stars inhabiting regions densely populated with dark matter. The anomalously high r-process abundance of Reticulum II and explanations thereof, including dark-matter-induced neutron star implosions, will also be discussed.

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