Unfolding procedures

Radiation Protection Dosimetry

Volumn 107, Issue 1-3, 2003, Pages 155-174

  Matzke, M ^a  

^a PHYSIKALISCH TECHNISCHE BUNDESANSTALT   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTER ANALYSIS; COMPUTER PROGRAM; ENTROPY; NEUTRON DOSIMETRY; PHOTON; RADIATION DETECTION; RADIATION DETECTOR; RADIATION DOSE DISTRIBUTION; RADIATION RESPONSE; REGRESSION ANALYSIS; REVIEW; SCINTILLATION SPECTROMETRY; SPECTROMETRY;

EID: 0942266341     PISSN: 01448420     EISSN: None     Source Type: Journal    
DOI: 10.1093/oxfordjournals.rpd.a006384     Document Type: Review

References (86)

1. Matzke, M. Unfolding of particle spectra. Proc. SPIE 2867, 598-607 (1997).
2. Matzke, M. Propagation of uncertainties in unfolding procedures. Nucl. Instrum. Methods A476, 230-241 (2002).
3. Weise, K. and Matzke, M. A priori distribution from the principle of maximum entropy for the Monte Carlo unfolding of particle energy spectra. Nucl. Instrum. Methods A280, 103-112 (1989).
4. Routti, J. T. and Sandberg, J. V. Unfolding activation and multisphere detector data. Radiat. Prot. Dosim. 10, 103-110 (1985).
5. Weise, K. Mathematical foundation of an analytical approach to Bayesian statistical Monte Carlo spectrum unfolding. Report PTB-N-24 (Braunschweig: Physikalisch-Technische Bundesanstalt) (1995).
6. Pulpán J. and Králík, M. The unfolding of neutron spectra based on the singular value decomposition of the response matrix. Nucl. Instrum. Methods A325, 314-318 (1993).
7. Anykeyev, V. B., Spiridonov. A. A. and Zhigunov, P. Comparative investigation of unfolding methods. Nucl. Instrum. Methods A303, 350-369 (1991).
8. Perey, F. G. Least-squares dosimetry unfolding: the program STAY'SL. Report ORNL/TM-6062 (Oak Ridge, TN: Oak Ridge National Laboratory) (1978).
9. Schmittroth, F. A method for data evaluation with lognormal distributions. Nucl. Sci. Eng. 72, 19-34 (1979).
10. Bondars, H. Ya. Definition of the problem of neutron spectra unfolding by measured reaction rates. Kernenergie 80(4), 165-170 (1987).
11. Matzke, M. and Weise, K. Neutron spectrum unfolding by the Monte Carlo method. Nucl. Instrum. Methods A234, 324-330 (1985).
12. Tichy, M. Bayesian approach to the neutron spectrum adjustment. Nucl. Instrum. Methods A267, 502-508 (1988).
13. Alevra, A. V., Siebert, B. R. L., Aroua, A., Buxerolle, M., Grecescu, M., Matzke, M., Perks, C.A., Schraube, H., Thomas, D. J. and Zaborowski, H. L. Unfolding Bonnersphere data: a European intercomparison of computer codes. Report PTB-7.22-90-1 (Braunschweig: Physikalisch-Technische Bundesanstalt) (1990).
14. Press, W. H., Flannery, B. P. and Vetterling, W. T. Numerical Recipes. (Cambridge: Cambridge University Press) (1986).
15. Matzke, M. Unfolding of pulse height spectra: the HEPRO program system. Report PTB-N-19. (Braunschweig: Physikalisch-Technische Bundesanstalt) (1994).
16. Stallmann, F. W. LSL-M2: A computer program for least-squares logarithmic adjustment of neutron spectra. Report NUREG/CR-4349, ORNL/TM-9933 (Oak Ridge, TN: Oak Ridge National Laboratory) (1986).
17. McElroy, W. N., Berg, S., Crockett, T. and Hawkins, R. G. A computer-automated iterative method for neutron flux spectra determination by foil activation', Report AFWL-TR-67-41 (Kirtland, NM: US Air Force Weapons Laboratory) (1967).
18. Reginatto, M. and Goldhagen, P. A computer code for the deconvolution of multisphere neutron spectrometer data using the maximum entropy method. Report EML-595 (New York: Environmental Measurements Laboratory) (1998).
19. Weyrauch, M., Dietz, E. and Matzke, M. Determination of neutron spectra using the programs GNSR and SPECTRIX. Nucl. Instrum. Methods A476, 208-212 (2002).
20. Zijp, W. L., Zsolnay, E. M, Nolthenius, H. J. and Szondi, E. J. Final report on the REAL-84 exercise. Report ECN-212, IAEA-NDS-212 (Petten: Netherlands Energy Research Foundation) (1988).
21. Maerker, R. E., Broadhead, B. L. and Wagschal, J. J. Theory of a new unfolding procedure in pressurized water reactor pressure vessel dosimetry and development of an associated benchmark data base. Nucl. Sci. Eng. 91(2), 137-170 (1986).
22. Tichy, M. The DIFBAS program, description and users guide. Report PTB-7.2-93-1 (Braunschweig: Physikalisch-Technische Bundesanstalt) (1993).
23. Kocherov, N. P. Neutron metrology file NMF-90. Report IAEA-NDS-171 (Vienna: International Nuclear Energy Agency) (1996). (Note: MSITER and MINCHI are PTB versions of the least-squares adjustment, see: http://www.matzke.gmxhome.de)
24. Routti, J. T. and Sandberg, J. V. General purpose unfolding program LOUHI78 with linear and non-linear regulations. Comput. Phys. Commun. 21, 119-144 (1980).
25. Lowry, K. A. and Johnson, T. L. Modification to iterative recursion unfolding algorithms and computer codes to find more appropriate neutron spectra. NRL Report 5340 (Washington, DC: Naval Research Laboratory) (1984).
26. McCracken, A. K. and Grimstone, M. J. Experimental data processing program radar. First ASTM-EURATOM Symp. on Reactor Dosimetry, Petten, 1975. EUR 5667 e/f. (Luxembourg: CEC) (1977).
27. Weese, J. A reliable and fast method for the solution of Fredholm integral equations of the first kind based on Tikhonov regularization. Comput. Phys. Commun. 69, 99-111 (1992).
28. Burrus, W. R. and Drischler, J. D. The FERDOR unfolding code. Report ORNL-4154 (Oak Ridge, TN: Oak Ridge National Laboratory) (1965).
29. Johnson, R. H. and Wehring, B. W. The FORIST unfolding code. Report ORNL/RSIC-40, pp. 33-39 (Oak Ridge, TN: Oak Ridge National Laboratory) (1976).
30. Höcker, A. and Kartvelishvili, V. SVD approach to data unfolding. Nucl. Instrum. Methods A372, 469-481 (1996).
31. Freeman, D. W., Edwards, D. R. and Bolon, A. E. Genetic algorithms - a new technique for solving the neutron spectrum unfolding problem. Nucl. Instrum. Methods A425, 549-576 (1999).
32. Mukherjee, B. BONDI-97: a novel neutron enery spectrum unfolding tool using a genetic algorithm. Nucl. Instrum. Methods A432, 305-312 (1999).
33. MacKay, D. J. C. Bayesian neural networks and density networks. Nucl. Instrum. Methods A354, 73-80 (1995).
34. Cordes, E., Fehrenbacher, G., Schuetz, R., Sprumck, M., Hahn, K., Hofmann, R., Biersack, J. P. and Wahl, W. An approach to unfold the response of a multi-element system using an artificial neural network. IEEE Trans. Nucl. Sci. 45, 1464-1469 (1998).
35. Braga, C. C. and Dias, M. S. Application of neural networks for unfolding neutron spectra measured by means of Bonner spheres. Nucl. Instrum. Methods A476, 252-255 (2002).
36. Reginatto, M., Goldhagen, P. and Neumann, S. Spectrum unfolding, sensitivity analysis and propagation of uncertainties with the maximum entropy deconvolution code MAXED. Nucl. Instrum. Methods A476, 242-246 (2002).
37. Rust, B. W. Constrained interval estimation for ill-posed problems. A review of radiation energy spectra unfolding. Report ORNL/RSIC-40 (Oak Ridge. TN: Oak Ridge National Laboratory) (1976).
38. ISO. Guide to the expression of uncertainty in Measurement (Geneva: International Organization for Standardization) (1995).
39. Deutsches Institut für Normung (DIN). Auswertung von Messurgen: Messunsicherheit. DIN 1319-4 part 4 (Berlin: Beuth Verlag) (1999).
40. Matzke, M. The covariance matrix of neutron spectra used in the REAL 84 exercise. Report PTB-FMRB-108 (Braunschweig: Physikalisch-Technische Bundesanstalt) (1986).
41. Rose, P. F. and Dunford, C. L. (eds.). ENDF-102 data formats and procedures for the evaluated nuclear data file ENDF-6. Report BNL-NCS-44945 (Upton, NY: Brookhaven National Laboratory) (1990).
42. 3He proportional counters: comparison of unfolding methods. In: Reactor Dosimetry, ASTMSTP1228. Ed. H. Farrar, E. P. Lippincott, J. G. Williams and D. W. Vehar (Philadelphia, PA: American Society for Testing and Materials) (1994).
43. Dose, V., Fischer, R. and von der Linden, W. Deconvolution based on experimentally determined apparatus funtions. In: Maximum Entropy and Bayesian Method, Ed. G. Erickson. (Dordrecht: Kluwer Academic) pp. 147-152 (1998).
44. von der Linden, W. Maximum-entropy data analysis. Appl. Phys. A60. 155-165 (1995).
45. Doroshenko, J. J., Kraitor, S. N., Kuznetsova, T. V., Kushnereva, K. K. and Leonov, E. S. New methods for measuring neutron spectra with energy from 0.4 eV to 10 MeV by track and activation detectors. Nucl. Technol. 33, 296-304 (1977).
46. Sanna, R. and O'Brien, K. Monte Carlo unfolding of neutron spectra. Nucl. Instrum. Methods 91, 573-576 (1971).
47. O'Brien, K. and Sanna, R. Neutron spectrum unfolding using the Monte Carlo method. Nucl. Instrum. Methods 185, 277-286 (1981).
48. Alevra, A. V. Neutron spectromety. Radioprotection 34, 305-333 (1999).
49. Weise, K. and Wöger, W. A Bayesian theory, of measurement uncertainty. Meas. Sci. Technol. 4. 1-11 (1993). (A more detailed version is available in German as Eine Bayessche Theorie der Messunsicherheit. PTB-Report N-11 (Braunschweig: Physikalisch-Technische Bundesanstalt) (1992).
50. Jeffreys, H. Theory of Probability. (Oxford: Clarendon Press) (1967).
51. Jaynes, E. T. Information theory and statistical mechanics. Phys. Rev. 106, 620-630 (1957).
52. Skilling, J. Classical maximum entropy. In: Maximum Entropy and Bayesian Methods, Ed. J. Skilling (Dordrecht: Kluwer Academic) pp. 45-52 (1989).
53. Matzke, M. Estimation of dose equivalent from reaction rates of Bonner spheres wihout using a priori fluence information. Radiat. Prot. Dosim. 23, 297-300 (1988).
54. Wiegel, B. and Alevra, A. V. NEMUS - the PTB neutron multisphere spectrometer: Bonner spheres and more. Nucl. Instrum. Methods A476, 36-41 (2002).
55. d'Errico, F. Radiation dosimetry and spectrometry with superheated emulsions. Nucl. Instrum. Methods B184, 229-254 (2001).
56. Reginatto, M. Private communication.
57. Klein, H. and Lindborg, L. (eds.). Determination of the neutron and photon dose equivalent at work places in nuclear facilities of Sweden. SSI-rapport 95-15 (Stockholm: Swedish Radiation Protection Institute) (1995).
58. Kluge, H., Alevra, A. V., Jetzke, S., Knauf, K., Matzke, M., Weise, K. and Wittstock, J. Scattered neutron reference fields produced by radionuclide sources. Radiat. Prot. Dosim. 70, 327-330 (1997).
59. Briesmeister, J. F. (ed.). MCNP - a General Monte Carlo N-Particle Transport Code, Version 4A. LA-12625-M (Los Alamos, NM: Los Alamos National Laboratory) (1993).
60. Apfel, R. E. and d'Errico, F. A neutron spectrometer based on temperature variations in superheated drop compositions. Nucl. Instrum. Methods A476. 298-303 (2002).
61. d'Errico, F., Alberts, W. G., Curzio, G., Guldbakke, S., Kluge, H. and Matzke, M. Active neutron spectrometry with superheated drop (bubble) detectors. Radiat. Prot. Dosim. 61, 159-162 (1995).
62. Casnati, A., Weyrauch, M. and Schillebeecks, P. A new Monte Carlo code to calculate response functions for gas-filled neutron detectors. Proc. SPIE 2867, 445-448 (1997).
63. Dietze, G. and Klein, H. NRESP4 and NEFF4 Monte Carlo codes for the calculation of neutron response functions and detection efficiencies for NE-213 scintillation detectors. Report PTB-ND-22 (Braunschweig: Physikalisch-Technische Bundesanstalt) (1982).
64. Nelson, W. R., Hirayama, H. and Rogers, D. W. O. The EGS4 code system. SLAC Report 256 (Stanford, CA: Stanford Linear Accelerator Center) (1985).
65. γ > 3 MeV). Nucl. Instrum. Methods A332, 483-492 (1993).
66. Guldbakke, S., Klein, H, Meister, A., Scheeler, U., Unholzer, S., Pulpan, J. and Tichy, M. Response matrices of NE-213 scintillation detectors for neutrons. In: Reactor Dosimetry, ASTMSTP 1228. Eds. H. Farrar, E. P. Lippincott, J. G. Williams and D. W. Vehar, pp. 225-232 (Philadelphia, PA: American Society for Testing and Materials) (1994).
67. Novotny, T., Guldbakke, S. and Klein, H. Neutron induced photon response of an NE213 scintillation detector. Proc. SPIE 2867, 627-630 (1997).
68. 3He proportional counter. Nucl. Instrum. Methods A232, 521-528 (1993).
69. 3He proportional counters: comparison of unfolding methods. In: Reactor Dosimetry, ASTMSTP 1228. Ed. H. Farrar, E. P. Lippincott, J. G. Williams and D. W. Vehar, pp. 3 10-319 (Philadelphia, PA: American Society for Testing and Materials) (1994).
70. Dietze, G. and Klein, H. Gamma calibration of NE-213 scintillation counters. Nucl. Instrum. Methods 193, 549-556 (1982).
71. 4He proportional counter. Proc. SPIE 2867, 631-634 (1997).
72. Novotny, T. Photon spectrometry in mixed neutron-photon fields using liquid scintillator NE-213. Thesis (Prague: Czech Metrological Institute) (1996).
73. Koohi-Fayegh, R., Green, S. and Scott, M. C. A comparison of neutron spectrum unfolding codes used with a miniature NE213 detector. Nucl. Instrum. Methods A460, 391-400 (2001).
74. Sivia, D. S. Data Analysis: A Bayesian Tutorial. (Oxford: Clarendon Press) (1996).
75. Matzke, M., d'Errico, F., Hecker, O. and Luszik-Bhadra, M. Energy and directional distribution of neutrons. Radiat. Prot. Dosim. 85, 93-97 (1999).
76. Bartlett. D. T. and Bardell, A. G. Field measurements of neutron energy and angle spectral distribution and their interpretation in terms of relevent radiological protection quantities. In: Proc. 5th Symp. on Neutron Dosimetry, EUR 9762, pp. 147-156 (CEC: Luxembourg) (1985).
77. Bartlett, D. T., Britcher, A. R., Bardell, A. G., Thomas. D. J. and Hudson, I. F. Neutron spectra, radiological quantities and instrument and dosemeter responses at a Magnox reactor and a fuel reprocessing installation. Radiat. Prot. Dosim. 44, 233-238 (1992).
78. Matzke, M., Kluge, H. and Luszik-Bhadra, M. Directional information on neutron fields. Radiat. Prot. Dosim. 70, 261-264 (1997).
79. Luszik-Bhadra, M.. Kluge, H. and Matzke, M. Measurement of the directional distribution of neutrons with personal neutron dosemeters. Radiat. Prot. Dosim. 66, 335-338 (1996).
80. Drake, P. and Bartlett, D. T. Neutron dose equivalent rates calculated from measured neutron angular and energy distribution in working environments. Radiat. Prot. Dosim. 70, 235-239 (1997).
81. Schulte, R. L. and Kesselman, M. Development of a portable directional thermal neutron delection system for nuclear monitoring. Nucl. Instrum. Methods A422, 852-857 (1999).
82. Yamaguchi, S., Uritani, A., Sakai, H., Mori, C., Iguchi, T., Toyokawa, H., Takeda, N. and Kudo, K. Spherical neutron detector for space neutron measurement. Nucl. Instrum. Methods A422, 600-605 (1999).
83. Bartlett, D. T., Drake, P., d'Errico, F., Luszik-Bhadra, M., Matzke, M. and Tanner, R. J. The importance of the direction distribution of neutron fluence, and methods of determination. Nucl. Instrum. Methods A476, 386-394 (2002).
84. d'Errico, F., Matzke, M. and Siebert, B. R. L. Energy and angle differential fluence measurements with superheated drop detectors. Nucl. Instrum. Methods A476, 277-290 (2002).
85. d'Errico, F., Alberts, W. G., Curzio, G., Matzke, M., Nath, R. and Siebert, B. R. L. A directional dose equivalent monitor for neutrons. Radiat. Prot. Dosim. 92, 315-324 (2001).
86. Luszik-Bhadra, M., d'Errico, F., Hecker, O. and Matzke, M. A wide-range direction neutron spectrometer. Nucl. Instrum. Methods A476, 291-297 (2002).