Underground physics and the barometric pumping effect observed for thermal neutron flux underground

  • Yu. V. Stenkin
  • V. V. Alekseenko
  • D. M. Gromushkin
  • V. P. Sulakov
  • O. B. Shchegolev
Nuclei, Particles, Fields, Gravitation, and Astrophysics
  • 18 Downloads

Abstract

It is known that neutron background is a major problem for low-background experiments carrying out underground, such as dark matter search, double-beta decay searches and other experiments known as Underground Physics. We present here some results obtained with the en-detector of 0.75 m2, which is running for more than 4 years underground at a depth of 25 m water equivalent in Skobeltsyn Institute of Nuclear Physics, Moscow State University. Some spontaneous increases in thermal neutron flux up to a factor of 3 were observed in delayed anti-correlation with barometric pressure. The phenomenon can be explained by the radon barometric pumping effect resulting in similar effect in neutron flux being produced in (α, n)-reactions by alpha-decays of radon and its daughters in surrounding rock. This is the first demonstration of the barometric pumping effect observed in thermal neutron flux underground.

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References

  1. 1.
    Gas Transport in Porous Media, Ed. C. K. Ho and S. W. Webb, Vol. 20 of Theory and Applications of Transport in Porous Media (Springer, Dordrecht, 2006).Google Scholar
  2. 2.
    V. V. Mourzenko, C. Varloteaux, S. Guillon, et al., Geophys. Res. Lett. (2014). doi 10.1002/2014GL060865Google Scholar
  3. 3.
    Xingxing Kuang, Jiu Jimmy Jiao, and Hailong Li, Water Resour. Res. 49, 1 (2013). doi 10.1002/wrcr.20416CrossRefGoogle Scholar
  4. 4.
    V. Alekseenko, F. Arneodo, G. Bruno, et al., Phys. Rev. Lett. 114, 125003 (2015).ADSCrossRefGoogle Scholar
  5. 5.
    Yu. V. Stenkin, Nucl. Phys. B Proc. Suppl. 196, 293 (2009).ADSCrossRefGoogle Scholar
  6. 6.
    B. Bartoli, P. Bernardini, X. J. Bi, et al., Astropart. Phys. 81, 49 (2016).ADSCrossRefGoogle Scholar
  7. 7.
    Y. V. Sten’kin, in Nuclear Track Detectors: Design, Methods and Applications, Ed. by M. Sidorov and O. Ivanov (Nova Science, New York, 2010), Chap. 10, p. 253.Google Scholar
  8. 8.
    V. V. Alekseenko, D. D. Dzhappuev, V. A. Kozyarivsky, A. U. Kudzhaev, V. V. Kuzminov, O. I. Mikhailova, and Yu. V. Stenkin, Bull. Russ. Acad. Sci.: Phys. 71, 1047 (2007).CrossRefGoogle Scholar
  9. 9.
    V. V. Alekseenko, Yu. M. Gavrilyuk, V. V. Kuzminov, and Yu. V. Stenkin, J. Phys.: Conf. Ser. 203, 012045 (2010).Google Scholar
  10. 10.
    S. N. Vernov, G. B. Khristiansen, V. B. Atrashkevich, et al., in Proceedings of the 16th International Cosmic Ray Conference, Kyoto, 1979 (1979), Vol. 6, p. 129.Google Scholar
  11. 11.
    V. V. Alekseenko, Yu. M. Gavrilyuk, V. V. Kuzminov, and Yu. V. Stenkin. http://taup2009.lngs.infn.it/slides/jul3/stenkin.pdf.Google Scholar

Copyright information

© Pleiades Publishing, Inc. 2017

Authors and Affiliations

  • Yu. V. Stenkin
    • 1
    • 2
  • V. V. Alekseenko
    • 1
  • D. M. Gromushkin
    • 2
  • V. P. Sulakov
    • 3
  • O. B. Shchegolev
    • 1
  1. 1.Institute for Nuclear ResearchRussian Academy of ScienceMoscowRussia
  2. 2.National Research Nuclear University МЕРhI (Moscow Engineering Physics Institute)MoscowRussia
  3. 3.Skobeltsyn Institute of Nuclear PhysicsMoscow State UniversityMoscowRussia

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