Measurement of the atmospheric νμ flux with six detection units of KM3NeT/ORCA

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21670%2F25%3A00384867" target="_blank" >RIV/68407700:21670/25:00384867 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1140/epjc/s10052-025-14513-2" target="_blank" >https://doi.org/10.1140/epjc/s10052-025-14513-2</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1140/epjc/s10052-025-14513-2" target="_blank" >10.1140/epjc/s10052-025-14513-2</a>

Result language
angličtina
Original language name
Measurement of the atmospheric νμ flux with six detection units of KM3NeT/ORCA
Original language description
A measurement of the atmospheric νμ+νμ flux with energies between 1 and 100 GeV is presented. The measurement has been performed using data taken with the first six detection units of the KM3NeT/ORCA detector, referred to as ORCA6. The data were collected between January 2020 and November 2021 and correspond to 510 days of livetime, with a total exposure of 433 kton.years. Using machine learning classification, 3894 neutrino candidate events have been selected with an atmospheric muon contamination of less than 1%. The atmospheric νμ+νμ energy spectrum is derived using an unfolding procedure and the impact of systematic uncertainties is estimated. The atmospheric νμ+νμ flux measured using the ORCA6 configuration is in agreement with the values measured by other experiments.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10308 - Astronomy (including astrophysics,space science)

Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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