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SUMMARY:Paradigms and Scenarios for the Dark Matter
DTSTART;VALUE=DATE-TIME:20191112T043000Z
DTEND;VALUE=DATE-TIME:20191112T050000Z
DTSTAMP;VALUE=DATE-TIME:20250110T182818Z
UID:indico-contribution-1668@indico.icrr.u-tokyo.ac.jp
DESCRIPTION:Speakers: Paolo Salucci (SISSA)\nThe deeper we go into the kno
 wledge of the dark component that embeds the stellar component of galaxies
 \, the more we realize the profound interconnection which is  present betw
 een the two of them. The scaling laws among the structural properties of t
 he dark and luminous matter in disc systems are too complex to be arisen b
 y two inert components that just share the same  gravitational field. This
  brings us to critically focus on the 30 years old paradigm\, that\, resti
 ng on a priori knowledge of the nature of dark matter (DM)\, has led us to
  a restricted number of scenarios for dark matter. The galaxies's structur
 al properties show strong indications that the dark and luminous component
 s have interacted in a direct way over the Hubble time. We propose to brea
 k the dark matter mystery by taking a step back and start following a new 
 paradigm: the Nature of dark matter can be guessed/derived only from deep 
 analyzing the properties of the dark and luminous mass distribution at gal
 actic scales. As first result in Spirals\, the quantity $\\rho_{DM}(r\,L\,
 R_D) \\rho_\\star (r\,L\,R_D)$\, the (macroscopic) kernel of a dark-to-lum
 inous interaction\, shows specific properties that call for a collisional 
 nature of the dark particle.\n\nhttps://indico.icrr.u-tokyo.ac.jp/event/25
 9/contributions/1668/
LOCATION:The University of Tokyo\, Kashiwa Campus
URL:https://indico.icrr.u-tokyo.ac.jp/event/259/contributions/1668/
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