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SUMMARY:Webinar: Star formation and high energy neutrinos at IceCube: a co
 rrelation?
DTSTART;VALUE=DATE-TIME:20160301T140000Z
DTEND;VALUE=DATE-TIME:20160301T150000Z
DTSTAMP;VALUE=DATE-TIME:20260628T011805Z
UID:indico-event-2712@indico.ific.uv.es
DESCRIPTION:\n    The IceCube Neutrino Observatory has provided the first 
 map of the high energy (~ 0.01 -- 1 PeV) sky in neutrinos. Since neutrinos
  propagate undeflected\, their arrival direction is an important identifie
 r for sources of high energy particle acceleration. Reconstructed arrival 
 directions are consistent with an extragalactic origin\, with possibly a g
 alactic component\, of the neutrino flux. We present a statistical analysi
 s of positional coincidences of the IceCube neutrinos with known astrophys
 ical objects from several catalogs. For the brightest gamma-ray emitting b
 lazars and for Seyfert galaxies\, the number of coincidences is consistent
  with the random\, or "null"\, distribution. Instead\, when considering st
 arburst galaxies with the highest flux in gamma-rays and infrared radiatio
 n\, up to n = 8 coincidences are found\, representing an excess over the ~
 4 predicted for the null distribution. The probability that this excess is
  realized in the null case\, the p-value\, is p = 0.042. This value falls 
 to p = 0.003 for a set of gamma-ray-detected starburst galaxies and star-f
 orming regions in the galactic neighborhood. Therefore\, it is possible th
 at these might account for a subset of IceCube neutrinos. The physical pla
 usibility of such correlation is discussed briefly.\n\nhttps://indico.ific
 .uv.es/event/2712/
LOCATION:IFIC retransmitted from Seminar Room\, 1.1.1
URL:https://indico.ific.uv.es/event/2712/
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