TY - JOUR
T1 - The recoil factor of 214Pb
AU - Stevanović, N.
AU - Nikezić, D.
AU - Djordjevich, A.
PY - 2004/8
Y1 - 2004/8
N2 - The majority of the 218Po atoms (the first progeny of radon) are attached to natural aerosols in the air. After their alpha decay, the newly formed nuclei of 214Pb may detach from the carrier aerosol due to recoil. The average fraction of the nuclei detached in this manner is called the "recoil factor". It is an important parameter in the calculation of the radon-progeny concentration and the related radiation dose in lungs. We determine this parameter for eight common aerosol types and show that it cannot be treated as a fixed constant since it varies strongly with the aerosol particle size, shape, material, and surface/volume type of contamination. The range of values that the recoil factor can take broadens with the hygroscopic growth of the aerosol particles, to the maximum range between approximately 0.1 and 0.8. © 2004 Elsevier Ltd. All rights reserved.
AB - The majority of the 218Po atoms (the first progeny of radon) are attached to natural aerosols in the air. After their alpha decay, the newly formed nuclei of 214Pb may detach from the carrier aerosol due to recoil. The average fraction of the nuclei detached in this manner is called the "recoil factor". It is an important parameter in the calculation of the radon-progeny concentration and the related radiation dose in lungs. We determine this parameter for eight common aerosol types and show that it cannot be treated as a fixed constant since it varies strongly with the aerosol particle size, shape, material, and surface/volume type of contamination. The range of values that the recoil factor can take broadens with the hygroscopic growth of the aerosol particles, to the maximum range between approximately 0.1 and 0.8. © 2004 Elsevier Ltd. All rights reserved.
KW - 214Pb
KW - Aerosol
KW - Radon progeny
KW - Recoil
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UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-3342957291&origin=recordpage
U2 - 10.1016/j.jaerosci.2004.02.006
DO - 10.1016/j.jaerosci.2004.02.006
M3 - RGC 21 - Publication in refereed journal
SN - 0021-8502
VL - 35
SP - 1041
EP - 1050
JO - Journal of Aerosol Science
JF - Journal of Aerosol Science
IS - 8
ER -