Speaker
Geraldina Golup
(Centro Atomico Bariloche)
Description
We present the results of three searches for correlations between UHECR events measured by Telescope Array and the Pierre Auger Observatory and high-energy neutrino candidate events from IceCube. Two cross-correlation analyses of UHECRs are done: one with 28 cascades from the IceCube high-energy starting events sample and the other one with 12 high-energy tracks. The angular separation between the arrival directions of neutrinos and UHECRs is scanned. The same events are also used in a separate search stacking the neutrino arrival directions and using a maximum likelihood approach. We assume UHECR magnetic deflections inversely proportional to the energy with values 3$^\circ$, 6$^\circ$ and 9$^\circ$ at 100 EeV to account for the uncertainties on the magnetic fields and UHECR charges. A similar analysis is performed on stacked UHECR arrival directions and the IceCube 4-year sample of through-going muon-track events that was optimized for neutrino point source searches.
| Registration number following "ICRC2015-I/" | 346 |
|---|---|
| Collaboration | IceCube & Pierre Auger & Telescope Array |
Primary author
Asen Christov
(Universite de Geneve (CH))
Co-authors
Esteban Roulet
(Centro Atomico Bariloche)
Geraldina Golup
(Centro Atomico Bariloche)
Hiroyuki Sagawa
(RIKEN)
Julien Aublin
(Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Universités Paris 6 et Paris 7, CNRS-IN2P3)
Lorenzo Caccianiga
(Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Universités Paris 6 et Paris 7, CNRS-IN2P3)
Michael Unger
(NYU & KIT)
Mohamed Rameez
(Universite de Geneve (CH))
Peter Tinyakov
(Universite Libre de Bruxelles (ULB))
Piera Luisa Ghia
(Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Universités Paris 6 et Paris 7, CNRS-IN2P3)
Teresa Montaruli
(Universite de Geneve (CH))
