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SUMMARY:The Elusive Link Between Neutrinos and AGN Jets
DTSTART:20261112T153000Z
DTEND:20261112T163000Z
DTSTAMP:20261108T130400Z
UID:indico-event-1972@indico.dfa.unipd.it
DESCRIPTION:Speakers: Pouya Kouch (University of Tourla (Finland))\n\n For
  about two decades\, the IceCube Neutrino Observatory has been detecting ~
 TeV-PeV neutrinos from mostly unidentified extraterrestrial sources. Activ
 e galactic nuclei (AGN)\, powered by supermassive black holes\, are theore
 tically among the most likely source candidates. However\, observationally
 \, their connection remains tenuous so far. Despite the detection of a few
  hundred extragalactic neutrinos\, only a handful of AGNs can be considere
 d as likely neutrino emitters. Namely\, NGC 1068 (a Seyfert-II AGN) is the
  hottest spot in the diffuse ~TeV neutrino sky and TXS 0506+056 (a jetted 
 AGN with its jet oriented toward Earth\, i.e.\, a blazar) constitutes the 
 most promising source candidate with individual ≳100 TeV neutrinos.\nIn 
 my talk\, I will review our current understanding of the AGN–neutrino co
 nnection\, with a focus on jetted AGN. I will discuss how the limited angu
 lar resolution of the current generation of the neutrino data has made est
 ablishing a connection between neutrinos and their potential source candid
 ates so challenging. I will then present variability as a powerful tool to
  leverage the precise arrival time of the neutrinos in order to overcome t
 his limitation. I will showcase recent results from the most extensive bla
 zar–neutrino spatio-temporal correlation studies where jetted-AGN variab
 ility played a central role in the correlation search. Lastly\, I will dis
 cuss the role of upcoming next-generation facilities\, like KM3NeT\, in un
 raveling the mystery.\n \n\nhttps://indico.dfa.unipd.it/event/1972/
LOCATION:1/1-2 - Aula "C. Voci" (Dipartimento di Fisica e Astronomia - Edi
 ficio Marzolo)
URL:https://indico.dfa.unipd.it/event/1972/
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