HEP@VUB meetings

Thursday 9 Nov 2017, 12:00 → 13:00 Europe/Brussels

Jean Sacton seminar room (1G003) (Universe)

Jean Sacton seminar room (1G003)

Universe

Description

Speaker: Matthias Vereecken

Participants

Alberto Mariotti
Alex S
Ben Craps
Chris Blair
David Vannerom
Dries Coone
Emil Bols
Ivan Marchesini
Ken Mimasu
Krijn de Vries
Kévin Nguyen
Laura
Matthias Vereecken
Nick van Eijndhoven
Pablo Correa
Pablo Correa
Pablo Correa
Paul Coppin
Petra Van Mulders
Roberto Franceschini
Seth Moortgat
Shimaa Abu Zeid
Sibylle Driezen
Simon Vercaemer
Tim De Jonckheere
Vincent Luyten

- 12:00 → 13:00
  
  High energy neutrino emission from obscured sources through the pp-channel 1h
  
  In recent years, the IceCube neutrino observatory has strongly established the existence of a high energy astrophysical neutrino flux. While the existence of this neutrino flux was expected from the observation of an (ultra-high-energy) cosmic ray flux, the sources of these neutrinos are still unknown. The contribution from the prime candidate sources, gamma-ray bursts and active galactic nuclei, is by now strongly constrained, leaving us to consider other sources. In addition, the isotropic gamma-ray background measured by Fermi leads to tensions with typical models of neutrino production, which involve sources transparent to gamma-rays. This motivates us to look for a source class which is obscured in gamma rays. In this presentation, I will present the modelling of neutrino emission from a source class which is obscured by matter and where the neutrino emission happens through the pp channel.
  
  Speaker: Matthias Vereecken