Heidelberg 2022 – wissenschaftliches Programm
Bereiche | Tage | Auswahl | Suche | Aktualisierungen | Downloads | Hilfe
T: Fachverband Teilchenphysik
T 72: Cosmic Ray 3
T 72.4: Vortrag
Mittwoch, 23. März 2022, 17:00–17:15, T-H31
An updated model of galactic diffuse neutrinos for future IceCube searches — •Georg Schwefer1,2, Philipp Fürst2, Erik Ganster2, Philipp Mertsch1, and Christopher Wiebusch2 — 1RWTH Aachen University - Institute for Theoretical Particle Physics and Cosmology, Aachen, Germany — 2RWTH Aachen University - Physics Institute III B, Aachen, Germany
Diffuse galactic neutrinos are produced in interactions of hadronic cosmic rays with the interstellar medium in the Milky Way. This flux is a practically guaranteed signal for high-energy neutrino observatories. It has not been identified yet, but recent searches indicate that a discovery might be in reach within the next few years.
Because of the large background from atmospheric neutrinos, these searches require detailed modelling of the signal. These models also relate the (non-)observations to the propagation and injection properties of galactic cosmic rays at PeV energies.
In this talk, we present an updated model for the galactic diffuse neutrino flux tuned to the latest direct cosmic ray and diffuse gamma ray measurements, and discuss its systematic dependencies. We also show sensitivity estimates for future IceCube galactic plane searches with this model.