Acknowledgement
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korean government (MSIP: Ministry of Science, ICT and Future Planning) NRF-22A20153413555, This work was supported by the 'Development of Portable Radioactive Contamination Monitoring System for Alpha and Beta Dust Source in the Air' of the Korea Institute of Energy Technology Evaluation and Planning(KETEP) granted financial resource from the Ministry of Trade, Industry & Energy, Republic of Korea (No. 20171510300590).
References
- E. Garcia-Torano, Current status of alpha-particle spectrometry, Appl. Radiat. Isot. 64 (10-11) (2006) 1273-1280. https://doi.org/10.1016/j.apradiso.2006.02.034
- R. Pollanen, Performance of an in-situ alpha spectrometer, Appl. Radiat. Isot. 109 (2016) 193-197. https://doi.org/10.1016/j.apradiso.2015.11.110
- K.M. Glover, Alpha-particle spectrometry and its applications, Int. J. Appl. Radiat. Isot. 35 (4) (1984) 239-250. https://doi.org/10.1016/0020-708X(84)90063-2
- P. Martin, G.J. Hancock, Peak resolution and tailing in alpha-particle spectrometry for environmental samples, Appl. Radiat. Isot. 61 (2-3) (2004) 161-165. https://doi.org/10.1016/j.apradiso.2004.03.038
- E. Holm, Review of alpha-particle spectrometric measurements of actinides, Int. J. Appl. Radiat. Isot. 35 (4) (1984) 285-290. https://doi.org/10.1016/0020-708X(84)90070-X
- P. De Regge, R. Boden, Review of chemical separation techniques applicable to alpha spectrometric measurements, Nucl. Instrum. Methods Phys. Res. 223 (2-3) (1984) 181-187. https://doi.org/10.1016/0167-5087(84)90644-6
- J.S. Alvarado, K.A. Orlandini, M.D. Erickson, Rapid determination of radium isotopes by alpha spectrometry, J. Radioanal. Nucl. Chem. 194 (1) (1995) 163-172. https://doi.org/10.1007/BF02037623
- R. Pollanen, K. Perajarvi, T. Siiskonen, J. Turunen, In-situ alpha spectrometry from air filters at ambient air pressure, Radiat. Meas. 53 (2013) 65-70. https://doi.org/10.1016/j.radmeas.2013.01.008
- D.A. Pripachkin, D.V. Aron, A.K. Budyka, Y.N. Khusein, Collimator effect on semiconductor a-spectrometer characteristics in measurements of radioactive aerosols, Atom. Energy 125 (2) (2018) 119-123. https://doi.org/10.1007/s10512-018-0452-z
- R.A. Wolfe, W.F. Stubbins, A neutron spectrometer employing chargedparticle collimation to improve resolution, Nucl. Instrum. Methods 60 (3) (1968) 246-252. https://doi.org/10.1016/0029-554X(68)90127-4
- S. Park, S.W. Kwak, H.B. Kang, High resolution alpha particle spectrometry through collimation, Nucl. Instrum. Methods Phys. Res. Sect. A Accel. Spectrom. Detect. Assoc. Equip. 784 (2015) 470-473. https://doi.org/10.1016/j.nima.2014.11.045
- D.W. Engelkemeir, L.B. Magnusson, Resolution of alpha-particle spectra by ionization pulse analysis of collimated samples, Rev. Sci. Instrum. 26 (3) (1955) 295-302. https://doi.org/10.1063/1.1771281
- R. Benoit, G. Bertolini, G.B. Restelli, Collimation of alpha particles in an ionization chamber, Nucl. Instrum. Methods 29 (1) (1964) 149-156. https://doi.org/10.1016/0029-554X(64)90026-6
- MCNP User's Manual Code Version 6.2. LA-UR-17-29981, Los Alamos National Laboratory Report, California, 2017.
- Origin User Guide, OriginLab Corporation, USA, 2016.
- The Continuous Air Monitoring (CAM) PIPS® Detector Properties and Applications, Application Note, Canberra Industry, U.S.A, 2011.
- D.J. de Vries, S.C. Moore, Comparison of hexagonal-hole and square-hole collimation by Monte Carlo simulation, in: 2000 IEEE Nuclear Science Symposium. Conference Record (Cat. No. 00CH37149), vol. 3, IEEE, 2000, pp. 22-52.
- R. Pollanen, K. Perajarvi, T. Siiskonen, J. Turunen, High-resolution alpha spectrometry at ambient air pressure e towards new applications, Nucl. Instrum. Methods Phys. Res. Sect. A Accel. Spectrom. Detect. Assoc. Equip. 695 (2012) 173-178.
- Y.J. Lee, H.J. Ryu, H.M. Cho, S.W. Lee, Y.N. Choi, H.J. Kim, Optimization of an ultra-high-resolution parallel-hole collimator for CdTe semiconductor SPECT system, J. Instrum. 8 (1) (2013), C01044. https://doi.org/10.1088/1748-0221/8/01/C01044
- MCNP Extensions Version 2.5.0. LA-UR-05-2675, Los Alamos National Laboratory, California, 2005.
- R.B. Hayes, Continuous air monitor algorithm development, Nucl. Technol. 168 (1) (2009) 35-40. https://doi.org/10.13182/NT09-A9097