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SUMMARY:CSIRO S&A Colloquium: Connor Bottrell (UWA)
DESCRIPTION:Mini mergers with major consequences in a cold dark matter universe\n\nAbstract \n\nThe gravitational forces measured beyond the Solar System tell us that 85% of the matter in the Universe is invisible. But despite its abundance\, dark matter has so-far avoided direct detection by laboratory experiments on Earth. As a result\, particle physics theory has flourished to develop dark matter candidates that span a wide range of masses and phenomenologies. In this talk\, I will discuss some consequences of dark matter physics on galaxies including the predicted abundances of low-mass dark matter halos. In particular\, I will show that “mini” collisions with low-mass halos have an inconspicuously important role in driving diversity amongst large star-forming galaxies in cosmological simulations. These collisions are ubiquitous in the Cold Dark Matter cosmogony\, but suppressed by warmer\, lighter dark matter particles.  \nJoin Event on Microsoft Teams\nLocation\n\nOrganiser\n\nEvent details\nDownload iCal\nCategory\nColloquia
URL:https://www.atnf.csiro.au/event/csiro-sa-colloquium-connor-bottrell-uwa/
LOCATION:CSIRO – Kensington\, Australian Resources Research Centre (ARRC)\, 26 Dick Perry Ave\, Kensington\, WA\, 6101\, Australia
CATEGORIES:Colloquia
ORGANIZER;CN="Li Wang":MAILTO:li.wang1@csiro.au
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