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Dortmund 2021 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 92: Neutrino astronomy IV

T 92.10: Vortrag

Donnerstag, 18. März 2021, 18:15–18:30, Tq

Performance of new triggers used for neutrino detection at the Pierre Auger Observatory* — •Srijan Sehgal for the Pierre Auger collaboration — Bergische Universität Wuppertal, Gaußstraße 20, 42119 Wuppertal, Germany

The Pierre Auger Observatory, currently the world’s largest cosmic ray detector, can also be used to identify highly inclined (60< θ < 95 where θ is the zenith angle) neutrino induced extensive air showers by using its Surface Detector (SD). In 2013, two new SD triggers – time-over-threshold-deconvolved (ToTd) and multiplicity of positive steps (MoPS) – were installed to reduce the energy threshold of the SD and increase the trigger efficiency for neutrino induced air showers.

This talk presents an overview of the performance of the new triggers on neutrino simulations (60< θ < 75; shower energy < 1019eV) simulated using CORSIKA with detector simulations and signal reconstruction performed using the Auger software framework. Quantities such as zenith angle, shower energy, and slant depths are investigated to gauge performance.

*Gefördert durch die BMBF Verbundforschung Astroteilchenphysik

(Vorhaben 05A17PX1 und 05A20PX1)

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