First long-term measurement of the ambient neutron rate, with sensitivity over a wide range of neutron energies, performed in any underground laboratory so far. More information here:

Publication: S.E.A. Orrigo et al., Eur. Phys. J. C (2022) 82:814. https://doi.org/10.1140/epjc/s10052-022-10755-6

Press note (in Spanish): https://webific.ific.uv.es/web/content/un-grupo-del-ific-realiza-la-primera-medida-de-larga-duraci%C3%B3n-de-los-neutrones-ambientales