First results from the HENSA/ANAIS collaboration at the Canfranc Underground Laboratory
N Mont-Geli, A Tarife\~no-Saldivia, S E A Orrigo, J L Tain, M Grieger,, J Agramunt, A Algora, J Amar\'e, D Bemmerer, F Calvi\~no, S Cebri\'an, I, Coarasa, G Cort\'es, A De Blas, I Dillmann, L M Fraile, E Garc\'ia, R, Garc\'ia, M Mart\'inez, E Nacher, Y Ortigoza, A Ortiz
TL;DR
This paper reports initial measurements and simulations of neutron flux at the Canfranc Underground Laboratory, crucial for understanding background noise in dark matter detection experiments using NaI(Tl) scintillators.
Contribution
It provides the first neutron flux measurements and Monte Carlo simulations specific to the Canfranc Underground Laboratory for the ANAIS-112 experiment.
Findings
Neutron flux measurements at the site
Monte Carlo simulations of neutron spectrum
Implications for dark matter detection background
Abstract
The HENSA/ANAIS collaboration aims for the precise determination of the neutron flux that could affect ANAIS-112, an experiment looking for the dark matter annual modulation using NaI(Tl) scintillators. In this work, the first measurements of the neutron flux and Monte Carlo simulations of the neutron spectrum are reported.
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