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Author  |
Orrigo, S.E.A.; Tain, J.L.; Mont-Geli, N.; Tarifeño-Saldivia, A.; Fraile, L.M.; Grieger, M.; Quero-Ballesteros, A.; Agramunt, J.; Algora, A.; Bemmerer, D.; Calviño, F.; Cortés, G.; De Blas, A.; Dillmann, I.; Garcia, R.; Nacher, E. |
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Title |
Measurement of the ambient neutron flux and spectral distribution at the Canfranc Underground Laboratory |
Type |
Journal Article |
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Year |
2026 |
Publication |
European Physical Journal C |
Abbreviated Journal |
Eur. Phys. J. C |
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Volume |
86 |
Issue |
7 |
Pages |
834 - 5pp |
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Abstract |
We report on the measurement of the ambient neutron flux and its energy distribution over a broad range of neutron energies, conducted in Hall A of the Canfranc Underground Laboratory using the High Efficiency Neutron Spectrometry Array (HENSA), with a total livetime of 248 days. In particular, we obtained a thermal neutron flux of 3.4(2)& times;10-6 cm -2 s -1 and a total energy-integrated flux of 14.8(2)& times;10-6 cm -2 s -1 . This work represents the first long-term measurement of the ambient neutron flux that includes a full spectral characterization across a wide energy interval (from 10-4 eV to 20 MeV), performed in an underground laboratory to date. The results are relevant for rare-event search experiments located underground, ranging from nuclear astrophysics to astroparticle physics. |
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Address |
[Orrigo, S. E. A.; Tain, J. L.; Tarifeno-Saldivia, A.; Agramunt, J.; Algora, A.; Nacher, E.] Univ Valencia, Inst Fis Corpuscular IFIC, CSIC, E-46980 Paterna, Valencia, Spain, Email: Sonja.Orrigo@ific.uv.es |
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Publisher |
Springer |
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Language |
English |
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Original Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
1434-6044 |
ISBN |
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Notes |
WOS:001823862800003 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
7332 |
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