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Long term measurement of the 222Rn concentration in the Canfranc Underground Laboratory
Title: Long term measurement of the 222Rn concentration in the Canfranc Underground Laboratory
Authors: Amaré, J.Bandac, I.Blancas, A.Borjabad, S.Buisán Sanz, Samuel Tomás ORCID RESEARCHERID SCOPUSID Autor AEMETCebrián, S.Cintas, D.Coarasa, I.García, EduardoMartínez Pérez, María LucíaNúñez Lagos, R.Oliván, Miguel A.Ortigoza, YsraelOrtiz de Solórzano, AlfonsoPérez, CarmenPuimedón Santolaria, JorgeRodríguez, S.Salinas, Ana MaríaSarsa Sarsa, María LuisaVillar, Patricia
Keywords: Air concentration; Atmospheric pressure; 222Rn concentration; Temperature; Laboratories; Relative humidity
Issue Date: 2022
Publisher: SpringerOpen; EDP Sciences; Società Italiana di Fisica
Citation: The European Physical Journal C. 2022, 82, 891
Publisher version:
Abstract: We report the results of 6 years (2013–2018) of measurements of 222Rn air concentration, relative humidity, atmospheric pressure and temperature in the halls A, B and C of the Canfranc Underground Laboratory (LSC). We have calculated all the Pearson correlation coefficients among these parameters and we have found a positive correlation between the 222Rn concentration and the relative humidity. Both correlated variables show a seasonal periodicity. The joint analysis of laboratory data and 4 years (2015– 2018) of the meteorological variables outside the laboratory shows the correlation between the 222Rn concentration and the outside temperature. The collected information stresses the relevance of designing good Rn-mitigation strategies in current and future experiments at LSC; in particular, we have checked for two years (2017–2018) the good performance of the mitigation procedure of the ANAIS-112 experiment. Finally, we have monitored (2019–2021) for 2 years of live time, the radon-free air provided by the radon abatement system installed in the laboratory.
Sponsorship : This research was funded by MCIN/AEI/10.13039/501100011033 under Grant PID2019-104374GB-I00; by MINECO-FEDER under Grants FPA2017-83133-P, and FPA2014-55986-P; by MICINN-FEDER under Grants FPA2011-23749; by CONSOLIDER-Ingenio 2010 Programme under Grants MultiDark CSD2009-00064 and CPAN CSD2007-00042; by the University of Zaragoza under Grant UZ2017-CIE-09; by the Spanish Meteorological Agency (AEMET), the Gobierno de Aragón (Group in Nuclear and Astroparticle Physics, ARAID Foundation and I. Coarasa predoctoral grant), the European Social Fund and by the LSC consortium.
ISSN: 1434-6052
Appears in Collections:Artículos científicos 2019-2022

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