Improving the description of atmospheric muons in KM3NeT data using the Daemonflux data-driven model

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21670%2F25%3A00389247" target="_blank" >RIV/68407700:21670/25:00389247 - isvavai.cz</a>

Result on the web

<a href="https://doi.org/10.22323/1.501.0459" target="_blank" >https://doi.org/10.22323/1.501.0459</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.22323/1.501.0459" target="_blank" >10.22323/1.501.0459</a>

Result language

angličtina

Original language name

Improving the description of atmospheric muons in KM3NeT data using the Daemonflux data-driven model

Original language description

The Cubic Kilometre Neutrino Telescope - KM3NeT - is subject to an intense flux of atmospheric muons, even at the bottom of the Mediterranean Sea. These atmospheric muons are created by the collisions of cosmic rays with nuclei of the upper atmosphere and their subsequent interactions, and as such, serve as probes of cosmic ray physics. The KM3NeT/ARCA and KM3NeT/ORCA detectors are located offshore Portopalo di Capo Passero, Italy, and Toulon, France, respectively, at corresponding depths of 3.5 km and 2.45 km below sea level. They offer the unique ability to detect atmospheric muons at two different locations and depths, as part of the same research infrastructure. The KM3NeT Collaboration has presented results comparing the flux of atmospheric muons in the detector with CORSIKA simulations, and - by showing an underestimation of the muon data by the simulation - is contributing to the global phenomenon known as the Muon Puzzle. A data-driven model Daemonflux has recently appeared on the scene and shows promise of alleviating this discrepancy. In this study, Daemonflux is incorporated into the atmospheric muon simulation used to describe KM3NeT data, and its impact in doing so is estimated. We also evaluate the impact of the optical properties of the seawater on the agreement between the KM3NeT data and the atmospheric muon simulation.

Czech name

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Czech description

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Type

D - Article in proceedings

CEP classification

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OECD FORD branch

10308 - Astronomy (including astrophysics,space science)

Project

<a href="/en/project/LM2023063" target="_blank" >LM2023063: Laboratoire Souterrain de Modane – participation of the Czech Republic</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2025

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection

39th International Cosmic Ray Conference (ICRC2025)

ISBN

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ISSN

1824-8039

e-ISSN

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Number of pages

11

Pages from-to

1-11

Publisher name

PoS - Proceedings of Science, Sissa Medialab srl

Place of publication

Trieste

Event location

Geneva

Event date

Jul 14, 2025

Type of event by nationality

WRD - Celosvětová akce

UT code for WoS article

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