September 29, 2025 to October 3, 2025
Palazzo del Bo and Centro Culturale San Gaetano
Europe/Rome timezone
Poster Session details online here on the INDICO web site

Search for Ultra-High-Energy Neutrinos from Gamma-Ray Bursts with the Pierre Auger Observatory

Oct 2, 2025, 11:40 AM
20m
Main Auditorium (Centro Culturale Altinate San Gaetano)

Main Auditorium

Centro Culturale Altinate San Gaetano

Contributed Talk Neutrino Telescopes & Multi-messenger Neutrino Astrophysics

Speaker

Therese Paulsen (Bergische Universität Wuppertal)

Description

The Pierre Auger Observatory has excellent sensitivity to ultra-high-energy (UHE) neutrinos. The Surface Detector array is used to search for highly inclined neutrino-induced air showers, which, though not observed yet, have clear characteristic signatures. Due to the null observation of UHE neutrinos, we obtain upper luminosity limits on individual gamma-ray bursts from the public catalog GRBweb, that are in the field of view of the Observatory for neutrino searches. As the predicted neutrino luminosity from these sources strongly depends on the modeled emission mechanisms and dissipative processes, we obtain the limits using different neutrino spectra corresponding to distinct scenarios such as the one-zone fireball model. The spectra are calculated using the source code "Cosmic Ray Stochastic Interactions for Propagation" (CRISP), to compute quantities related to the propagation of heavier primaries within the source environment.

Neutrino Properties neutrino flux from LGRBs
Neutrino Telescopes & Multi-messenger Investigating one of the possible extragalactic astrophysical UHE neutrino-emitting sources
Neutrino Theory & Cosmology non
Data Science and Detector R&D non

Author

Therese Paulsen (Bergische Universität Wuppertal)

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