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SUMMARY:Signatures of Primordial Black Holes as Dark Matter
DTSTART:20180416T140000
DTEND:20180416T153000
DTSTAMP:20260916T032135Z
UID:aca14f302cb10cb363a636e5792b36d4e401a47feda5c2190f3c3349
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Juan Garcia-Bellido (IFT-UAM/CSIC Madrid and TH-Division
  CERN)\nMore than twenty one years ago\, we predicted that massive primord
 ial black holes (PBH) would form via the gravitational collapse of radiati
 on and matter associated with high peaks in the spectrum of curvature fluc
 tuations\, and that they could constitute all of the dark matter today. In
  2015\, we predicted the clustering and mass distribution of PBH\, which p
 eaks at several Msun\, and whose high-mass tails could be responsible for 
 the seeds of all galaxies. Since then\, LIGO has detected gravitational wa
 ves from at least five merger events of very massive black hole binaries. 
 We propose that they are PBH\, and predict that within a few years a less 
 than one solar mass PBH will be detected by AdvLIGO-VIRGO\, and that in 10
  years\, an array of GW detectors (i.e. LIGO\, VIRGO\, KAGRA\, INDIGO\, et
 c.) could be used to determine the mass and spin distribution of PBH dark 
 matter with 10% accuracy. Thus\, gravitational wave astronomy could be res
 ponsible for a new paradigm shift in the understanding of the nature of da
 rk matter.
LOCATION:BSP 727 https://plan.epfl.ch/?room==BSP%20727
STATUS:CONFIRMED
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