A new technique for the continuous monitoring of radon isotope concentration in air is considered. In contrast to other methods, α-particles from decays of 220,222Rn are measured directly. © 1992.
Novikov, V. M. (1992). Basics of a detector for direct measurement of radon and thoron concentrations in air. Nuclear Inst. and Methods in Physics Research, A, 314(2), 331–333. https://doi.org/10.1016/0168-9002(92)90976-B