Measuring Low Neutron Fluxes at the Modane Underground Laboratory Using Iodine-Containing Scintillators

D. V. Ponomarev; Z. Kalaninova; D. V. Medvedev; S. V. Rozov; I. E. Rozova; V. V. Timkin; D. V. Filosofov; K. V. Shakhov; E. A. Yakushev

doi:10.1134/S0020441219030084

Measuring Low Neutron Fluxes at the Modane Underground Laboratory Using Iodine-Containing Scintillators

Authors: Ponomarev D.V.¹, Kalaninova Z.¹^,2, Medvedev D.V.¹, Rozov S.V.¹, Rozova I.E.¹, Timkin V.V.¹, Filosofov D.V.¹, Shakhov K.V.¹, Yakushev E.A.¹
Affiliations:
1. Joint Institute for Nuclear Research
2. Department of Nuclear Physics and Biophysics, Comenius University
Issue: Vol 62, No 3 (2019)
Pages: 309-311
Section: Nuclear Experimental Technique
URL: https://ogarev-online.ru/0020-4412/article/view/160693
DOI: https://doi.org/10.1134/S0020441219030084
ID: 160693

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Abstract

The first results of neutron-flux measurements at the LSM underground laboratory (Modane, France) using a new sensitive method are presented. Neutrons are detected by counting delayed γγ coincidences in the ¹²⁷I(n, γ)¹²⁸I reaction. It is shown that this approach makes it possible to measure thermal-neutron fluxes at a level of 10^–6 neutron cm^–2 s^–1.