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17–21 Jul 2023
Niels Bohr Institute
Europe/Copenhagen timezone
Zoom room: https://ucph-ku.zoom.us/j/66810127842?pwd=ZDVPVWV2anVtMFVkVklhcVlLUm92QT09 (password is in your e-mail)

Investigating high-energy neutrinos from blazars with an analysis of the IceCube observatory data

18 Jul 2023, 14:30
15m
Auditorium A (NBI)

Auditorium A

NBI

Speaker

Eleonora Barbano (Julius-Maximilians-Universität Würzburg, Fakultät für Physik und Astronomie, Emil-Fischer-Str. 31, D-97074 Würzburg, Germany)

Description

In the past decade, the IceCube observatory has established the presence of a diffuse flux of high-energy neutrinos (≥100 TeV to 10 PeV) that is consistent with an astrophysical origin. However, the population of sources responsible for this flux remains largely unknown.
Among the candidate sources of neutrinos, blazars have been suggested as promising emitters of the high-energy events detected by IceCube. A recent study has provided evidence of a statistically significant spatial correlation between blazars from the 5th Roma-BZCat catalog (5BZCat) and the IceCube data. In this contribution, we explore the findings from a complementary approach.

Primary author

Eleonora Barbano (Julius-Maximilians-Universität Würzburg, Fakultät für Physik und Astronomie, Emil-Fischer-Str. 31, D-97074 Würzburg, Germany)

Co-authors

Ms Alessandra Azzollini (Fakultät für Physik und Astronomie, Julius-Maximilians-Universität Würzburg, Emil-Fischer-St. 31, D-97074, Würzburg, Germany) Dr Andrea Tramacere (University of Geneva, Switzerland) Dr Gaëtan Fichet de Clairfontaine (Fakultät für Physik und Astronomie, Julius-Maximilians-Universität Würzburg, Emil-Fischer-St. 31, D-97074, Würzburg, Germany) Dr Giulia Illuminati (University of Bologna, Italy) Mr Lenz Oswald (Fakultät für Physik und Astronomie, Julius-Maximilians-Universität Würzburg, Emil-Fischer-St. 31, D-97074, Würzburg, Germany) Mr Leonard Pfeiffer (Fakultät für Physik und Astronomie, Julius-Maximilians-Universität Würzburg, Emil-Fischer-St. 31, D-97074, Würzburg, Germany) Prof. Sara Buson (Fakultät für Physik und Astronomie, Julius-Maximilians-Universität Würzburg, Emil-Fischer-St. 31, D-97074, Würzburg, Germany) Dr Vardan Baghmanyan (Fakultät für Physik und Astronomie, Julius-Maximilians-Universität Würzburg, Emil-Fischer-St. 31, D-97074, Würzburg, Germany)

Presentation materials