IAEA Nuclear Data Section
Time dependence of delayed neutron activity Group Parameters |
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References
Gremyachkin et al, INDC(NDS)-0882 (2023) Dimitriou et al, Nucl. Data Sheets 173 (2021) 144 (recommended data) Piksaikin et al, EPJ Nuclear Sci. Technol. 6,54 (2020) (methodology) Piksaikin et al, INDC(NDS)-0784 (2019) (reference DN data) |
6-Groups Original Model - J. N. ANOUSSIS, D. C. PERRICOS, N. G. CHRYSOCHOIDES, and C. A. MITSONIAS, Relative Abundances for Six Delayed Neutron Groups from Reactor Neutron-Induced Fission of 231Pa,” Radiochimica Acta, 20, 118 (1973).
Average Half-life : 14.33 ± 0.19 s | Correlation matrix
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6-Groups Expanded Model using a fixed set of Half-lives G. D. Spriggs, J. M. Campbell and V. M. Piksaikin, An 8-Group Neutron Model Based on a Consistent Set of Half-Lives, Los Alamos National Laboratory report LA-UR-98-1619, Rev. 3, (October 6, 1999).
Average Half-life : 14.33 ± 0.19 s | Correlation matrix
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4-Groups Original Model - M. G. BROWN, S. J. LYLE, and E. B. M. MARTIN, Delayed Neutron Yields from 14.8 MeV Neutron Induced Fission of 238U, 232Th, and 231Pa,” Radiochimica Acta, 15, No. 3, 109 (1971).
Average Half-life : 14.33 ± 0.91 s | Correlation matrix
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6-Groups Expanded Model using a fixed set of Half-lives G. D. Spriggs, J. M. Campbell and V. M. Piksaikin, An 8-Group Neutron Model Based on a Consistent Set of Half-Lives, Los Alamos National Laboratory report LA-UR-98-1619, Rev. 3, (October 6, 1999).
Average Half-life : 14.37 ± 0.91 s | Correlation matrix
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6-Groups Original Model - G. R. KEEPIN, T. F. WIMETT, and R. K. ZEIGLER, Delayed Neutrons from Fissionable Isotopes of Uranium, Plutonium, and Thorium,” Physical Review, 107, 4, 1044 (Aug. 15, 1957).
Average Half-life : 6.98 ± 0.23 s | Correlation matrix
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8-Groups Expanded Model using a fixed set of Half-lives G. D. Spriggs, J. M. Campbell and V. M. Piksaikin, An 8-Group Neutron Model Based on a Consistent Set of Half-Lives, Los Alamos National Laboratory report LA-UR-98-1619, Rev. 3, (October 6, 1999).
Average Half-life : 6.98 ± 0.23 s | Correlation matrix
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6-Groups Original Model - V.A. Roshchenko, V.M.Piksaikin et al., Temporary characteristics of delayed neutrons and partial cross sections of emissive fission in fission of 232Th by neutrons in the energy range from 3.2-17.9 MeV, Nuclear Physics, 2010, vol.73, No.6, pp.947-955. (in russian)
Average Half-life : 7.41 ± 0.09 s | Correlation matrix
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8-Groups Expanded Model using a fixed set of Half-lives G. D. Spriggs, J. M. Campbell and V. M. Piksaikin, An 8-Group Neutron Model Based on a Consistent Set of Half-Lives, Los Alamos National Laboratory report LA-UR-98-1619, Rev. 3, (October 6, 1999).
Average Half-life : 7.44 ± 0.08 s | Correlation matrix
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5-Groups Original Model - R. W. WALDO, R. A. KARAM, R. A. MEYER, Delayed Neutron Yields: Time Dependent Measurements and a Predictive Model,” Physical Review C, 23, No. 3, 1113 (March 1981).
Average Half-life : 14.37 ± 0.70 s | Correlation matrix
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7-Groups Expanded Model using a fixed set of Half-lives G. D. Spriggs, J. M. Campbell and V. M. Piksaikin, An 8-Group Neutron Model Based on a Consistent Set of Half-Lives, Los Alamos National Laboratory report LA-UR-98-1619, Rev. 3, (October 6, 1999).
Average Half-life : 14.38 ± 0.71 s | Correlation matrix
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6-Groups Original Model - V. M. Piksaikin, L. E. Kazakov et al.,RELATIVE YIELD AND PERIOD OF INDIVIDUAL GROUPS OF DELAYED NEUTRONS IN 233U, 235U AND 239Pu FISSION BY EPITHERMAL NEUTRONS, Atomic Energy, Vol. 92, No. 2, pp 135-142, 2002. (in English)
Average Half-life : 12.67 ± 0.11 s | Correlation matrix
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8-Groups Expanded Model using a fixed set of Half-lives V. M. Piksaikin, L. E. Kazakov et al.,RELATIVE YIELD AND PERIOD OF INDIVIDUAL GROUPS OF DELAYED NEUTRONS IN 233U, 235U AND 239Pu FISSION BY EPITHERMAL NEUTRONS, Atomic Energy, Vol. 92, No. 2, 2002. (in English) V.M. Piksaikin et al., Relative abundances and periods of delayed neutrons from fission of U-233, U235 and Pu-239 by epithermal neutrons, Atomic energy, 2002, N0.2, pp.135-142. (in Russian) V.M. Piksaikin, A.S. Egorov, K.V. Mitrofanov. THE ABSOLUTE TOTAL DELAYED NEUTRON YIELDS, RELATIVE ABUNDANCES AND HALF-LIVES OF DELAYED NEUTRON GROUPS FROM NEUTRON INDUCED FISSION OF 232Th, 233U, 236U, 239Pu AND 241Am. INDC(NDS) - 0646, 2013
Average Half-life : 12.64 ± 0.24 s | Correlation matrix
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6-Groups Original Model - Piksaikin V.M., Roshchenko V.A., Isaev S.G., et al., Cumulative Yields and Average Half-Life of Delayed Neutron Precursors From Neutron Induced Fission of U-233 Proc. of XII-th International Seminar on Interaction of Neutrons with Nuclei Neutron Spectroscopy, Nuclear Structure, Related Topics, Dubna, Russia, 24-28 May, 2004, pp.342-353.
Average Half-life : 12.50 ± 0.19 s | Correlation matrix
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8-Groups Expanded Model using a fixed set of Half-lives V.M. Piksaikin, A.S. Egorov, K.V. Mitrofanov. THE ABSOLUTE TOTAL DELAYED NEUTRON YIELDS, RELATIVE ABUNDANCES AND HALF-LIVES OF DELAYED NEUTRON GROUPS FROM NEUTRON INDUCED FISSION OF 232Th, 233U, 236U, 239Pu AND 241Am. INDC(NDS) - 0646, 2013
Average Half-life : 12.51 ± 0.24 s | Correlation matrix
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6-Groups Original Model - L. V. EAST, R. H. AUGUSTON, and H. O. MENLOVE, Delayed Neutron Abundances and Half-Lives for 14.7-MeV Fission,” excerpt from Los Alamos National Laboratory Program Status Report LA-4605-MS (September-December, 1970), p. 15. L. V. EAST, R. H. AUGUSTSON, H. O. MENLOVE, and C. F. MASTERS, Delayed- Neutron Abundances and Half-Lives from 14.7-MeV Fission,” Trans Amer. Nucl. Soc., 13, 760 (November, 1970).
Average Half-life : 11.29 ± 0.17 s | Correlation matrix
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8-Groups Expanded Model using a fixed set of Half-lives G. D. Spriggs, J. M. Campbell and V. M. Piksaikin, An 8-Group Neutron Model Based on a Consistent Set of Half-Lives, Los Alamos National Laboratory report LA-UR-98-1619, Rev. 3, (October 6, 1999).
Average Half-life : 11.28 ± 0.17 s | Correlation matrix
|
6-Groups Original Model - V. M. Piksaikin, L. E. Kazakov et al.,RELATIVE YIELD AND PERIOD OF INDIVIDUAL GROUPS OF DELAYED NEUTRONS IN 233U, 235U AND 239Pu FISSION BY EPITHERMAL NEUTRONS, Atomic Energy, Vol. 92, No. 2, p. 147, 2002. (in English) V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222.
Average Half-life : 8.98 ± 0.11 s | Correlation matrix
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8-Groups Expanded Model using a fixed set of Half-lives Expansion method: V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222.
Average Half-life : 9.00 ± 0.18 s | Correlation matrix
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6-Groups Original Model - D.E. Gremyachkin, K.V. Mitrofanov, A.S. Egorov, V.F. Mitrofanov, V.M. Piksaikin. Verification of the energy dependence of the fission product yields from the GEF code for neutron induced fission of 235U on the basis of delayed neutron temporary data. INDC(NDS)-0882, 2023.
Average Half-life : 8.96± 0.13 s | Correlation matrix
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8-Groups Expanded Model using a fixed set of Half-lives Expansion method: V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222. V.M. Piksaikin, A.S. Egorov, D.E. Gremyachkin, K.V. Mitrofanov, V.F. Mitrofanov. Generation of correlation and covariance matrices for the recommended temporal DN parameters in 6- and 8-group models. EPJ Nuclear Sci. Technol. 6, 54 (2020).
Average Half-life : 9.01 ± 0.17 s | Correlation matrix
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6-Groups Original Model - D.E. Gremyachkin, K.V. Mitrofanov, A.S. Egorov, V.F. Mitrofanov, V.M. Piksaikin. Verification of the energy dependence of the fission product yields from the GEF code for neutron induced fission of 235U on the basis of delayed neutron temporary data. INDC(NDS)-0882, 2023.
Average Half-life : 9.04± 0.13 s | Correlation matrix
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8-Groups Expanded Model using a fixed set of Half-lives Expansion method: V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222. V.M. Piksaikin, A.S. Egorov, D.E. Gremyachkin, K.V. Mitrofanov, V.F. Mitrofanov. Generation of correlation and covariance matrices for the recommended temporal DN parameters in 6- and 8-group models. EPJ Nuclear Sci. Technol. 6, 54 (2020).
Average Half-life : 9.03 ± 0.17 s | Correlation matrix
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6-Groups Original Model - Piksaikin, V.M., Kazakov, L.E., Isaev, S.G., Tarasko, M.Z., Roshchenko, V.A., Tertytchnyi, R.G., Springs, G.D., Campbell, J.M., 2002. Energy dependence of relative abundances and periods of delayed neutrons from neutron-induced fission of 235U, 238U, 239Pu in 6- and 8-group model representation. Prog. Nucl. Energy 41 (1-4), 203-222.
Average Half-life : 8.96 ± 0.06 s | Correlation matrix
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8-Groups Expanded Model using a fixed set of Half-lives Expansion method: V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222.
Average Half-life : 8.91 ± 0.18 s | Correlation matrix
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6-Groups Original Model - D.E. Gremyachkin, K.V. Mitrofanov, A.S. Egorov, V.F. Mitrofanov, V.M. Piksaikin. Verification of the energy dependence of the fission product yields from the GEF code for neutron induced fission of 235U on the basis of delayed neutron temporary data. INDC(NDS)-0882, 2023.
Average Half-life : 8.95±0,14 | Correlation matrix
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8-Groups Expanded Model using a fixed set of Half-lives Expansion method: V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222. V.M. Piksaikin, A.S. Egorov, D.E. Gremyachkin, K.V. Mitrofanov, V.F. Mitrofanov. Generation of correlation and covariance matrices for the recommended temporal DN parameters in 6- and 8-group models. EPJ Nuclear Sci. Technol. 6, 54 (2020).
Average Half-life : 8,99 ± 0.17 s | Correlation matrix
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6-Groups Original Model - D.E. Gremyachkin, K.V. Mitrofanov, A.S. Egorov, V.F. Mitrofanov, V.M. Piksaikin. Verification of the energy dependence of the fission product yields from the GEF code for neutron induced fission of 235U on the basis of delayed neutron temporary data. INDC(NDS)-0882, 2023.
Average Half-life : 8.94±0,14 s | Correlation matrix
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8-Groups Expanded Model using a fixed set of Half-lives Expansion method: V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222. V.M. Piksaikin, A.S. Egorov, D.E. Gremyachkin, K.V. Mitrofanov, V.F. Mitrofanov. Generation of correlation and covariance matrices for the recommended temporal DN parameters in 6- and 8-group models. EPJ Nuclear Sci. Technol. 6, 54 (2020).
Average Half-life : 8,96 ± 0.17 s | Correlation matrix
|
6-Groups Original Model - D.E. Gremyachkin, K.V. Mitrofanov, A.S. Egorov, V.F. Mitrofanov, V.M. Piksaikin. Verification of the energy dependence of the fission product yields from the GEF code for neutron induced fission of 235U on the basis of delayed neutron temporary data. INDC(NDS)-0882, 2023.
Average Half-life : 8.86±0,13 s | Correlation matrix
|
8-Groups Expanded Model using a fixed set of Half-lives Expansion method: V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222. V.M. Piksaikin, A.S. Egorov, D.E. Gremyachkin, K.V. Mitrofanov, V.F. Mitrofanov. Generation of correlation and covariance matrices for the recommended temporal DN parameters in 6- and 8-group models. EPJ Nuclear Sci. Technol. 6, 54 (2020).
Average Half-life : 8,85 ± 0.17 s | Correlation matrix
|
6-Groups Original Model - D.E. Gremyachkin, K.V. Mitrofanov, A.S. Egorov, V.F. Mitrofanov, V.M. Piksaikin. Verification of the energy dependence of the fission product yields from the GEF code for neutron induced fission of 235U on the basis of delayed neutron temporary data. INDC(NDS)-0882, 2023.
Average Half-life : 8.96±0.11 s | Correlation matrix
|
8-Groups Expanded Model using a fixed set of Half-lives Expansion method: V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222. V.M. Piksaikin, A.S. Egorov, D.E. Gremyachkin, K.V. Mitrofanov, V.F. Mitrofanov. Generation of correlation and covariance matrices for the recommended temporal DN parameters in 6- and 8-group models. EPJ Nuclear Sci. Technol. 6, 54 (2020).
Average Half-life : 8.97 ± 0.17 s | Correlation matrix
|
6-Groups Original Model - D.E. Gremyachkin, K.V. Mitrofanov, A.S. Egorov, V.F. Mitrofanov, V.M. Piksaikin. Verification of the energy dependence of the fission product yields from the GEF code for neutron induced fission of 235U on the basis of delayed neutron temporary data. INDC(NDS)-0882, 2023.
Average Half-life : 8.79± 0.12 s | Correlation matrix
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8-Groups Expanded Model using a fixed set of Half-lives Expansion method: V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222. V.M. Piksaikin, A.S. Egorov, D.E. Gremyachkin, K.V. Mitrofanov, V.F. Mitrofanov. Generation of correlation and covariance matrices for the recommended temporal DN parameters in 6- and 8-group models. EPJ Nuclear Sci. Technol. 6, 54 (2020).
Average Half-life : 8.78 ± 0.16 s | Correlation matrix
|
6-Groups Original Model - D.E. Gremyachkin, K.V. Mitrofanov, A.S. Egorov, V.F. Mitrofanov, V.M. Piksaikin. Verification of the energy dependence of the fission product yields from the GEF code for neutron induced fission of 235U on the basis of delayed neutron temporary data. INDC(NDS)-0882, 2023.
Average Half-life : 8.76±0.12 s | Correlation matrix
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8-Groups Expanded Model using a fixed set of Half-lives Expansion method: V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222. V.M. Piksaikin, A.S. Egorov, D.E. Gremyachkin, K.V. Mitrofanov, V.F. Mitrofanov. Generation of correlation and covariance matrices for the recommended temporal DN parameters in 6- and 8-group models. EPJ Nuclear Sci. Technol. 6, 54 (2020).
Average Half-life : 8.73 ± 0.16 s | Correlation matrix
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6-Groups Original Model - D.E. Gremyachkin, K.V. Mitrofanov, A.S. Egorov, V.F. Mitrofanov, V.M. Piksaikin. Verification of the energy dependence of the fission product yields from the GEF code for neutron induced fission of 235U on the basis of delayed neutron temporary data. INDC(NDS)-0882, 2023.
Average Half-life : 8.81±0.11 s | Correlation matrix
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8-Groups Expanded Model using a fixed set of Half-lives Expansion method: V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222. V.M. Piksaikin, A.S. Egorov, D.E. Gremyachkin, K.V. Mitrofanov, V.F. Mitrofanov. Generation of correlation and covariance matrices for the recommended temporal DN parameters in 6- and 8-group models. EPJ Nuclear Sci. Technol. 6, 54 (2020).
Average Half-life : 8.82 ±0.16 s | Correlation matrix
|
6-Groups Original Model - D.E. Gremyachkin, K.V. Mitrofanov, A.S. Egorov, V.F. Mitrofanov, V.M. Piksaikin. Verification of the energy dependence of the fission product yields from the GEF code for neutron induced fission of 235U on the basis of delayed neutron temporary data. INDC(NDS)-0882, 2023.
Average Half-life : 8.76±0.11 s | Correlation matrix
|
8-Groups Expanded Model using a fixed set of Half-lives Expansion method: V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222. V.M. Piksaikin, A.S. Egorov, D.E. Gremyachkin, K.V. Mitrofanov, V.F. Mitrofanov. Generation of correlation and covariance matrices for the recommended temporal DN parameters in 6- and 8-group models. EPJ Nuclear Sci. Technol. 6, 54 (2020).
Average Half-life : 8.79 ±0.16 s | Correlation matrix
|
6-Groups Original Model - D.E. Gremyachkin, K.V. Mitrofanov, A.S. Egorov, V.F. Mitrofanov, V.M. Piksaikin. Verification of the energy dependence of the fission product yields from the GEF code for neutron induced fission of 235U on the basis of delayed neutron temporary data. INDC(NDS)-0882, 2023.
Average Half-life : 9.12±0.13 s | Correlation matrix
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8-Groups Expanded Model using a fixed set of Half-lives Expansion method: V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222. V.M. Piksaikin, A.S. Egorov, D.E. Gremyachkin, K.V. Mitrofanov, V.F. Mitrofanov. Generation of correlation and covariance matrices for the recommended temporal DN parameters in 6- and 8-group models. EPJ Nuclear Sci. Technol. 6, 54 (2020).
Average Half-life : 9.19 ±0.17 s | Correlation matrix
|
6-Groups Original Model - D.E. Gremyachkin, K.V. Mitrofanov, A.S. Egorov, V.F. Mitrofanov, V.M. Piksaikin. Verification of the energy dependence of the fission product yields from the GEF code for neutron induced fission of 235U on the basis of delayed neutron temporary data. INDC(NDS)-0882, 2023.
Average Half-life : 9.27±0.12 s | Correlation matrix
|
8-Groups Expanded Model using a fixed set of Half-lives Expansion method: V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222. V.M. Piksaikin, A.S. Egorov, D.E. Gremyachkin, K.V. Mitrofanov, V.F. Mitrofanov. Generation of correlation and covariance matrices for the recommended temporal DN parameters in 6- and 8-group models. EPJ Nuclear Sci. Technol. 6, 54 (2020).
Average Half-life : 9,25 ±0.17 s | Correlation matrix
|
6-Groups Original Model - D.E. Gremyachkin, K.V. Mitrofanov, A.S. Egorov, V.F. Mitrofanov, V.M. Piksaikin. Verification of the energy dependence of the fission product yields from the GEF code for neutron induced fission of 235U on the basis of delayed neutron temporary data. INDC(NDS)-0882, 2023.
Average Half-life : 9.49±0.14 s | Correlation matrix
|
8-Groups Expanded Model using a fixed set of Half-lives Expansion method: V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222. V.M. Piksaikin, A.S. Egorov, D.E. Gremyachkin, K.V. Mitrofanov, V.F. Mitrofanov. Generation of correlation and covariance matrices for the recommended temporal DN parameters in 6- and 8-group models. EPJ Nuclear Sci. Technol. 6, 54 (2020).
Average Half-life : 9,45 ±0.17 s | Correlation matrix
|
6-Groups Original Model - D.E. Gremyachkin, K.V. Mitrofanov, A.S. Egorov, V.F. Mitrofanov, V.M. Piksaikin. Verification of the energy dependence of the fission product yields from the GEF code for neutron induced fission of 235U on the basis of delayed neutron temporary data. INDC(NDS)-0882, 2023.
Average Half-life : 9.97±0.13 s | Correlation matrix
|
8-Groups Expanded Model using a fixed set of Half-lives Expansion method: V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222. V.M. Piksaikin, A.S. Egorov, D.E. Gremyachkin, K.V. Mitrofanov, V.F. Mitrofanov. Generation of correlation and covariance matrices for the recommended temporal DN parameters in 6- and 8-group models. EPJ Nuclear Sci. Technol. 6, 54 (2020).
Average Half-life : 9,94 ±0.18 s | Correlation matrix
|
6-Groups Original Model - L. V. EAST, R. H. AUGUSTON, and H. O. MENLOVE, Delayed Neutron Abundances and Half-Lives for 14.7-MeV Fission,” excerpt from Los Alamos National Laboratory Program Status Report LA-4605-MS (September-December, 1970), p. 15. L. V. EAST, R. H. AUGUSTSON, H. O. MENLOVE, and C. F. MASTERS, Delayed- Neutron Abundances and Half-Lives from 14.7-MeV Fission,” Trans Amer. Nucl. Soc., 13, 760 (November, 1970).
Average Half-life : 8.97 ± 0.15 s | Correlation matrix
|
8-Groups Expanded Model using a fixed set of Half-lives G. D. Spriggs, J. M. Campbell and V. M. Piksaikin, An 8-Group Neutron Model Based on a Consistent Set of Half-Lives, Los Alamos National Laboratory report LA-UR-98-1619, Rev. 3, (October 6, 1999).
Average Half-life : 8.97 ± 0.15 s | Correlation matrix
|
6-Groups Original Model - V.M. Piksaikin, A.S. Egorov, K.V. Mitrofanov. THE ABSOLUTE TOTAL DELAYED NEUTRON YIELDS, RELATIVE ABUNDANCES AND HALF-LIVES OF DELAYED NEUTRON GROUPS FROM NEUTRON INDUCED FISSION OF 232Th, 233U, 236U, 239Pu AND 241Am. INDC(NDS) - 0646, 2013 S.G. Isaev,V.M. Piksaikin,L.E. Kazakov, M.Z. Tarasko, Energy Dependence of Average Half-Life of Delayed Neutron Precursors in Fast Neutron Induced Fission of of U-235 and U-236 Proc. of XIV-th International Workshop on Nuclear Fission Physics, Obninsk, RUSSIA, 12-15 October 1998, c.257-264.
Average Half-life : 7.71 ± 0.11 s | Correlation matrix
|
8-Groups Expanded Model using a fixed set of Half-lives V.M. Piksaikin, A.S. Egorov, K.V. Mitrofanov. THE ABSOLUTE TOTAL DELAYED NEUTRON YIELDS, RELATIVE ABUNDANCES AND HALF-LIVES OF DELAYED NEUTRON GROUPS FROM NEUTRON INDUCED FISSION OF 232Th, 233U, 236U, 239Pu AND 241Am. INDC(NDS) - 0646, 2013
Average Half-life : 7.72 ± 0.15 s | Correlation matrix
|
6-Groups Original Model - V.M. Piksaikin, Yu.F. Balakshev,S.G. Isaev, L.E. Kazakov, G.G. Korolev, V.I. Mil'shin, Measurement of the Energy Dependence of the Parameters of Delayed Neutrons Accompanying Fission of Np-237 by Fast Neutrons, Atomic Energy, 1998, v.85, N. 1, pp.479-486.
Average Half-life : 9.24 ± 0.17 s | Correlation matrix
|
8-Groups Expanded Model using a fixed set of Half-lives V.M. Piksaikin, Yu.F. Balakshev,S.G. Isaev, L.E. Kazakov, G.G. Korolev, V.I. Mil'shin, Measurement of the Energy Dependence of the Parameters of Delayed Neutrons Accompanying Fission of Np-237 by Fast Neutrons, Atomic Energy, 1998, v.85, N. 1, pp.479-486.
Average Half-life : 9.23 ± 0.17 s | Correlation matrix
|
6-Groups Original Model - Gremyachkin D.E., Piksaikin V.M., Egorov A.S., Mitrofanov K.V. Measurements of Temporal Characteristics of Delayed Neutrons from Neutron Induced Fission of the Np-237 in Energy Range from 14.2 to 18 MeV. EPJ Web Conf. 146, 04059 (2017).
Average Half-life : 8.24 ± 0.12 s | Correlation matrix
|
8-Groups Expanded Model using a fixed set of Half-lives Expansion method: V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222. V.M.Piksaikin et al. Generation of correlation and covariance matrices for the recommended Temporal DN parameters in 6- and 8- group models, EPJ Nuclear Sci. Technol., 6, 54,2020
Average Half-life : 8.24 ± 0.13 s | Correlation matrix
|
6-Groups Original Model - R. W. WALDO, R. A. KARAM, R. A. MEYER, Delayed Neutron Yields: Time Dependent Measurements and a Predictive Model,” Physical Review C, 23, No. 3, 1113 (March 1981). R. W. WALDO, and R. A. KARAM, Measured Delayed Neutron Yields,” Trans. Amer. Nucl. Soc., 39, 879 (1981).
Average Half-life : 11.58 ± 1.31 s | Correlation matrix
|
7-Groups Expanded Model using a fixed set of Half-lives G. D. Spriggs, J. M. Campbell and V. M. Piksaikin, An 8-Group Neutron Model Based on a Consistent Set of Half-Lives, Los Alamos National Laboratory report LA-UR-98-1619, Rev. 3, (October 6, 1999).
Average Half-life : 11.59 ± 1.31 s | Correlation matrix
|
5-Groups Original Model - G. BENEDETTI, A. CESANA, V. SANGIUST, and M. TERRANI, Delayed Neutron Yields from Fission of Uranium-233, Neptunium-237, Plutonium-238, -240, -241, and Americium-241”, Nucl. Sci. Eng., 80, 379 (1982).
Average Half-life : 11.52 ± 0.64 s | Correlation matrix
|
7-Groups Expanded Model using a fixed set of Half-lives G. D. Spriggs, J. M. Campbell and V. M. Piksaikin, An 8-Group Neutron Model Based on a Consistent Set of Half-Lives, Los Alamos National Laboratory report LA-UR-98-1619, Rev. 3, (October 6, 1999).
Average Half-life : 11.52 ± 0.64 s | Correlation matrix
|
6-Groups Original Model - Piksaikin, V.M., Kazakov, L.E., Isaev, S.G., Tarasko, M.Z., Roshchenko, V.A., Tertytchnyi, R.G., Springs, G.D., Campbell, J.M., 2002. Energy dependence of relative abundances and periods of delayed neutrons from neutron-induced fission of 235U, 238U, 239Pu in 6- and 8-group model representation. Prog. Nucl. Energy 41 (1-4), 203-222.
Average Half-life : 5.31 ± 0.03 s | Correlation matrix
|
8-Groups Expanded Model using a fixed set of Half-lives Expansion method: V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222.
Average Half-life : 5.31 ± 0.11 s | Correlation matrix
|
6-Groups Original Model - V.M. Piksaikin, V.A. Roshchenko, G.G. Korolev, Relative yield of delayed neutrons and half-life of their precursor nuclei from 238U fission by 14.2-17.9 MeV neutrons,” At. Energy 102, 124 (2007).
Average Half-life : 5.95 ± 0.08 s | Correlation matrix
|
8-Groups Expanded Model using a fixed set of Half-lives Expansion method: V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222. V.M.Piksaikin et al. Generation of correlation and covariance matrices for the recommended Temporal DN parameters in 6- and 8- group models, EPJ Nuclear Sci. Technol., 6, 54,2020
Average Half-life : 5.94 ± 0.07 s | Correlation matrix
|
6-Groups Original Model - V. M. Piksaikin, L. E. Kazakov et al.,RELATIVE YIELD AND PERIOD OF INDIVIDUAL GROUPS OF DELAYED NEUTRONS IN 233U, 235U AND 239Pu FISSION BY EPITHERMAL NEUTRONS, Atomic Energy, Vol. 92, No. 2, p. 147, 2002. (in English) V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222.
Average Half-life : 10.59 ± 0.17 s | Correlation matrix
|
8-Groups Expanded Model using a fixed set of Half-lives V.M. Piksaikin, A.S. Egorov, K.V. Mitrofanov. THE ABSOLUTE TOTAL DELAYED NEUTRON YIELDS, RELATIVE ABUNDANCES AND HALF-LIVES OF DELAYED NEUTRON GROUPS FROM NEUTRON INDUCED FISSION OF 232Th, 233U, 236U, 239Pu AND 241Am. INDC(NDS) - 0646, 2013; V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222;
Average Half-life : 10.63 ± 0.22 | Correlation matrix
|
6-Groups Original Model - V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222; V.M. Piksaikin et al., Energy dependence of relative abundances and periods of delayed neutrons from fission of Pu-239 in the energy range of primary neutrons from 0.37 to 4.97 MeV, Atomic Energy 92, 2002, No.3, pp.233-239;
Average Half-life : 10.27 ± 0.13 s | Correlation matrix
|
8-Groups Expanded Model using a fixed set of Half-lives V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222. V.M. Piksaikin, A.S. Egorov, K.V. Mitrofanov. THE ABSOLUTE TOTAL DELAYED NEUTRON YIELDS, RELATIVE ABUNDANCES AND HALF-LIVES OF DELAYED NEUTRON GROUPS FROM NEUTRON INDUCED FISSION OF 232Th, 233U, 236U, 239Pu AND 241Am. INDC(NDS) - 0646, 2013;
Average Half-life : 10.29±0.20 s | Correlation matrix
|
6-Groups Original Model - Roshchenko V.A., Piksaikin V.M., Kazakov L.E., Korolev G.G. RELATIVE YIELD OF DELAYED NEUTRONS AND HALF-LIFE OF THEIR PRECURSOR NUCLEI WITH FISSIONING OF 239PU BY 14.2-17.9 MEV NEUTRONS. Atomic Energy, 2006. V. 101. N. 6. pp. 897-900.
Average Half-life : 8.90 ± 0.12 s | Correlation matrix
|
8-Groups Expanded Model using a fixed set of Half-lives V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222. V.M.Piksaikin et al. Generation of correlation and covariance matrices for the recommended Temporal DN parameters in 6- and 8- group models, EPJ Nuclear Sci. Technol., 6, 54,2020
Average Half-life : 8.92 ± 0.21 | Correlation matrix
|
6-Groups Original Model - G. R. KEEPIN, T. F. WIMETT, and R. K. ZEIGLER, Delayed Neutrons from Fissionable Isotopes of Uranium, Plutonium, and Thorium,” Physical Review, 107, 4, 1044 (Aug. 15, 1957).
Average Half-life : 9.32 ± 0.36 s | Correlation matrix
|
8-Groups Expanded Model using a fixed set of Half-lives G. D. Spriggs, J. M. Campbell and V. M. Piksaikin, An 8-Group Neutron Model Based on a Consistent Set of Half-Lives, Los Alamos National Laboratory report LA-UR-98-1619, Rev. 3, (October 6, 1999).
Average Half-life : 9.32 ± 0.36 s | Correlation matrix
|
5-Groups Original Model - R. W. WALDO, R. A. KARAM, R. A. MEYER, Delayed Neutron Yields: Time Dependent Measurements and a Predictive Model,” Physical Review C, 23, No. 3, 1113 (March 1981). R. W. WALDO, and R. A. KARAM, Measured Delayed Neutron Yields,” Trans. Amer. Nucl. Soc., 39, 879 (1981).
Average Half-life : 10.49 ± 0.21 s | Correlation matrix
|
8-Groups Expanded Model using a fixed set of Half-lives G. D. Spriggs, J. M. Campbell and V. M. Piksaikin, An 8-Group Neutron Model Based on a Consistent Set of Half-Lives, Los Alamos National Laboratory report LA-UR-98-1619, Rev. 3, (October 6, 1999).
Average Half-life : 10.52 ± 0.09 s | Correlation matrix
|
6-Groups Original Model - Piksaikin et al., Relative Abundances and half-lives of their precursors for fission of 241Am nucleus by neutrons in the energy range from 1 to 5 MeV, Proc. Of XIIth Int. Seminar on Interaction of Neutrons with Nuclei Neutron Spectroscopy, Nuclear Structure, related Topics, Dubna, Russia, p. 62 (24-28 May 2011)
Average Half-life : 10.98 ± 0.21 s | Correlation matrix
|
8-Groups Expanded Model using a fixed set of Half-lives Piksaikin V.M., Egorov A.S., Mitrofanov K.V. The absolute total delayed neutron yields, relative abundances and half-lives of delayed neutron induced fission of 232Th, 233U, 236U, 239Pu, 241Am. International Nuclear Data Committee, INDC(NDS)-0646 (2013)
Average Half-life : 10.91 ± 0.07 s | Correlation matrix
|
6-Groups Original Model - Gremyachkin D.E., Piksaikin V.M., Egorov A.S., Mitrofanov K.V. Measurement of the Temporal Characteristics of Delayed Neutrons from Neutron Induced Fission of 241Am in the Energy Range from 14.2 to 18 MeV. Proceedings of the seminar ISINN-25, Dubna, Russian Federation 2017
Average Half-life : 10.88 ± 0.08 s | Correlation matrix
|
8-Groups Expanded Model using a fixed set of Half-lives V.M. Piksaikin, L.E. Kazakov, S.G. Isaev, M.Z. Tarasko, V.A.Roshchenko, G.D. Spriggs, J.M. Campbell, Energy Dependence of Relative Abundances and Periods of Delayed Neutrons from Neutron Induced Fission of U-235, U-238, Pu-239 in 6- and 8-group Model Representation, Progress in Nuclear Energy, 2002, v.41, No.1-4, pp.203-222. V.M.Piksaikin et al. Generation of correlation and covariance matrices for the recommended Temporal DN parameters in 6- and 8- group models, EPJ Nuclear Sci. Technol., 6, 54,2020
Average Half-life : 10.87 ± 0.06 s | Correlation matrix
|
5-Groups Original Model - S. A. COX, Delayed-Neutron Studies from the Thermal-Neutron-Induced Fission of 241Pu,” Physical Review, 123, No. 5, 1735 (September 1, 1961).
Average Half-life : 7.77 ± 0.32 s | Correlation matrix
|
7-Groups Expanded Model using a fixed set of Half-lives G. D. Spriggs, J. M. Campbell and V. M. Piksaikin, An 8-Group Neutron Model Based on a Consistent Set of Half-Lives, Los Alamos National Laboratory report LA-UR-98-1619, Rev. 3, (October 6, 1999).
Average Half-life : 7.78 ± 0.32 s | Correlation matrix
|
6-Groups Original Model - A. N. GUDKOV et al., Measurement of the Delayed-Neutron Yields in the Fission of 233U, 236U, 237Np, 240Pu, and 241Pu by Neutrons from the Spectrum of a Fast Reactor,” At. Energ., 66, No. 2, 100 (1989).
Average Half-life : 7.85 ± 0.54 s | Correlation matrix
|
8-Groups Expanded Model using a fixed set of Half-lives G. D. Spriggs, J. M. Campbell and V. M. Piksaikin, An 8-Group Neutron Model Based on a Consistent Set of Half-Lives, Los Alamos National Laboratory report LA-UR-98-1619, Rev. 3, (October 6, 1999).
Average Half-life : 7.85 ± 0.53 s | Correlation matrix
|
6-Groups Original Model - R. W. WALDO, R. A. KARAM, R. A. MEYER, Delayed Neutron Yields: Time Dependent Measurements and a Predictive Model,” Physical Review C, 23, No. 3, 1113 (March 1981). R. W. WALDO, and R. A. KARAM, Measured Delayed Neutron Yields,” Trans. Amer. Nucl. Soc., 39, 879 (1981).
Average Half-life : 10.04 ± 0.48 s | Correlation matrix
|
7-Groups Expanded Model using a fixed set of Half-lives G. D. Spriggs, J. M. Campbell and V. M. Piksaikin, An 8-Group Neutron Model Based on a Consistent Set of Half-Lives, Los Alamos National Laboratory report LA-UR-98-1619, Rev. 3, (October 6, 1999).
Average Half-life : 10.03 ± 0.48 s | Correlation matrix
|
6-Groups Original Model - R. W. WALDO, R. A. KARAM, R. A. MEYER, Delayed Neutron Yields: Time Dependent Measurements and a Predictive Model,” Physical Review C, 23, No. 3, 1113 (March 1981). R. W. WALDO, and R. A. KARAM, Measured Delayed Neutron Yields,” Trans. Amer. Nucl. Soc., 39, 879 (1981).
Average Half-life : 6.51 ± 1.28 s | Correlation matrix
|
8-Groups Expanded Model using a fixed set of Half-lives G. D. Spriggs, J. M. Campbell and V. M. Piksaikin, An 8-Group Neutron Model Based on a Consistent Set of Half-Lives, Los Alamos National Laboratory report LA-UR-98-1619, Rev. 3, (October 6, 1999).
Average Half-life : 6.48 ± 0.08 s | Correlation matrix
|
6-Groups Original Model - L. V. EAST, R. H. AUGUSTON, and H. O. MENLOVE, Delayed Neutron Abundances and Half-Lives for 14.7-MeV Fission, excerpt from Los Alamos National Laboratory Program Status Report LA-4605-MS (September-December, 1970), p. 15. L. V. EAST, R. H. AUGUSTSON, H. O. MENLOVE, and C. F. MASTERS, Delayed- Neutron Abundances and Half-Lives from 14.7-MeV Fission, Trans Amer. Nucl. Soc., 13, 760 (November, 1970).
Average Half-life : 6.67 ± 0.28 s | Correlation matrix
|
8-Groups Expanded Model using a fixed set of Half-lives G. D. Spriggs, J. M. Campbell and V. M. Piksaikin, An 8-Group Neutron Model Based on a Consistent Set of Half-Lives, Los Alamos National Laboratory report LA-UR-98-1619, Rev. 3, (October 6, 1999).
Average Half-life : 6.67 ± 0.28 s | Correlation matrix
|
7-Groups Original Model - W. S. CHARLTON, Delayed Neutron Emission Measurements from Fast Fission of Actinide Waste Isotopes,” Master’s Thesis, Texas A&M University (August, 1998).
Average Half-life : 9.54 ± 0.43 s | Correlation matrix
|
8-Groups Expanded Model using a fixed set of Half-lives G. D. Spriggs, J. M. Campbell and V. M. Piksaikin, An 8-Group Neutron Model Based on a Consistent Set of Half-Lives, Los Alamos National Laboratory report LA-UR-98-1619, Rev. 3, (October 6, 1999).
Average Half-life : 9.54 ± 0.44 s | Correlation matrix
|
6-Groups Original Model - R. W. WALDO, R. A. KARAM, R. A. MEYER, Delayed Neutron Yields: Time Dependent Measurements and a Predictive Model,” Physical Review C, 23, No. 3, 1113 (March 1981). R. W. WALDO, and R. A. KARAM, Measured Delayed Neutron Yields,” Trans. Amer. Nucl. Soc., 39, 879 (1981).
Average Half-life : 10.06 ± 0.60 s | Correlation matrix
|
7-Groups Expanded Model using a fixed set of Half-lives G. D. Spriggs, J. M. Campbell and V. M. Piksaikin, An 8-Group Neutron Model Based on a Consistent Set of Half-Lives, Los Alamos National Laboratory report LA-UR-98-1619, Rev. 3, (October 6, 1999).
Average Half-life : 10.05 ± 0.61 s | Correlation matrix
|
4-Groups Original Model - R. W. WALDO, R. A. KARAM, R. A. MEYER, Delayed Neutron Yields: Time Dependent Measurements and a Predictive Model,” Physical Review C, 23, No. 3, 1113 (March 1981). R. W. WALDO, and R. A. KARAM, Measured Delayed Neutron Yields,” Trans. Amer. Nucl. Soc., 39, 879 (1981).
Average Half-life : 11.47 ± 0.62 s | Correlation matrix
|
6-Groups Expanded Model using a fixed set of Half-lives G. D. Spriggs, J. M. Campbell and V. M. Piksaikin, An 8-Group Neutron Model Based on a Consistent Set of Half-Lives, Los Alamos National Laboratory report LA-UR-98-1619, Rev. 3, (October 6, 1999).
Average Half-life : 11.48 ± 0.61 s | Correlation matrix
|
4-Groups Original Model - E. T. CHULICK, P. L. REEDER, E. EICHLER, and C. E. BEMIS Jr., Redetermination of Delayed Neutrons from 252Cf,” Radiochimica Acta, 12, No. 3, 164 (1969).
Average Half-life : 10.34 ± 0.56 s | Correlation matrix
|
7-Groups Expanded Model using a fixed set of Half-lives G. D. Spriggs, J. M. Campbell and V. M. Piksaikin, An 8-Group Neutron Model Based on a Consistent Set of Half-Lives, Los Alamos National Laboratory report LA-UR-98-1619, Rev. 3, (October 6, 1999).
Average Half-life : 10.38 ± 0.55 s | Correlation matrix
|