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SUMMARY:Origin of Ultrahigh Energy Cosmic Rays in Binary Neutron Star Merg
 ers
DTSTART:20260615T080000Z
DTEND:20260615T090000Z
DTSTAMP:20260608T105200Z
UID:indico-event-340@indico.fzu.cz
DESCRIPTION:Speakers: Glennys R. Farrar (New York University\, USA)\n\nAbs
 tract: \n\nI will briefly review the observations of ultra-high-energy co
 smic rays (UHECRs)\, emphasizing which aspects are robust and which remain
  uncertain. A highly robust feature of the UHECR observations is explained
  for the first time\, by the hypothesis that UHECRs are mainly or entirely
  produced in Binary Neutron Star (BNS) mergers.  The well-defined initial
  conditions of a BNS merger yield a simple\, no-free-parameter prediction 
 of the cutoff energy for different nuclei\, which agrees well with observa
 tions.  Fits to the data under the BNS merger hypothesis suggest that the
  highest energy Auger events originated as r-process elements.  A unique\
 , testable prediction is that neutrinos above a PeV are preceded by a co-d
 irectional gravitational wave arriving about a day earlier.\n \n\n \nThe
  seminar will be held in the Dvořák hall\, FZU\, Pod Vodárenskou věž
 í 1\, Prague.\nLocation: https://goo.gl/maps/wEf7PsiLimSXMZhE9\n \nThe s
 eminar will be also available via ZOOM video conference system:\nMeeting I
 D: 674 9629 6646Passcode: 575511\nor join meeting via direct ZOOM link\n
  \n\nhttps://indico.fzu.cz/event/340/
URL:https://indico.fzu.cz/event/340/
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