Measurement of the neutron background at the Canfranc Underground Laboratory LSC

D. Jordan, J. L. Tain, A. Algora, J. Agramunt, C. Domingo-Pardo, M. B. Gomez-Hornillos, R. Caballero-Folch, G. Cortés, D. Cano-Ott, E. Mendoza, I. Bandac, A. Bettini, L. M. Fraile, C. Domingo

Research output: Contribution to journalArticle

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Abstract

The energy distribution of the neutron background was measured for the first time at Hall A of the Canfranc Underground Laboratory. For this purpose we used a novel approach based on the combination of the information obtained with six large high-pressure 3He proportional counters embedded in individual polyethylene blocks of different size. In this way not only the integral value but also the flux distribution as a function of neutron energy was determined in the range from 1 eV to 10 MeV. This information is of importance because different underground experiments show different neutron background energy dependence. The high sensitivity of the setup allowed to measure a neutron flux level which is about four orders of magnitude smaller that the neutron background at sea level. The integral value obtained is ΦHall A=(3.44±0.35)×10-6 cm-2 s-1.

Original languageEnglish
Pages (from-to)1-6
Number of pages6
JournalAstroparticle Physics
Volume42
DOIs
Publication statusPublished - 2013

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neutrons
proportional counters
flux (rate)
sea level
polyethylenes
energy distribution
energy
sensitivity

Keywords

  • He proportional counters
  • Neutron background
  • Underground physics

ASJC Scopus subject areas

  • Astronomy and Astrophysics

Cite this

Jordan, D., Tain, J. L., Algora, A., Agramunt, J., Domingo-Pardo, C., Gomez-Hornillos, M. B., ... Domingo, C. (2013). Measurement of the neutron background at the Canfranc Underground Laboratory LSC. Astroparticle Physics, 42, 1-6. https://doi.org/10.1016/j.astropartphys.2012.11.007

Measurement of the neutron background at the Canfranc Underground Laboratory LSC. / Jordan, D.; Tain, J. L.; Algora, A.; Agramunt, J.; Domingo-Pardo, C.; Gomez-Hornillos, M. B.; Caballero-Folch, R.; Cortés, G.; Cano-Ott, D.; Mendoza, E.; Bandac, I.; Bettini, A.; Fraile, L. M.; Domingo, C.

In: Astroparticle Physics, Vol. 42, 2013, p. 1-6.

Research output: Contribution to journalArticle

Jordan, D, Tain, JL, Algora, A, Agramunt, J, Domingo-Pardo, C, Gomez-Hornillos, MB, Caballero-Folch, R, Cortés, G, Cano-Ott, D, Mendoza, E, Bandac, I, Bettini, A, Fraile, LM & Domingo, C 2013, 'Measurement of the neutron background at the Canfranc Underground Laboratory LSC', Astroparticle Physics, vol. 42, pp. 1-6. https://doi.org/10.1016/j.astropartphys.2012.11.007
Jordan, D. ; Tain, J. L. ; Algora, A. ; Agramunt, J. ; Domingo-Pardo, C. ; Gomez-Hornillos, M. B. ; Caballero-Folch, R. ; Cortés, G. ; Cano-Ott, D. ; Mendoza, E. ; Bandac, I. ; Bettini, A. ; Fraile, L. M. ; Domingo, C. / Measurement of the neutron background at the Canfranc Underground Laboratory LSC. In: Astroparticle Physics. 2013 ; Vol. 42. pp. 1-6.
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