Fission Product Yield Data for the Transmutation of Minor Actinide ...

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REFERENCES TO SECTION 3.3 [3.3.1] CONDÉ, H., NEANDC-311-U, Nuclear Data Standards for Nuclear Measurements, [3.3.2] INDC(SEC)-101, IAEA, Vienna (1992) 99, 108. LIU TINGJIN, et al., The Evaluated Reference Fission Yield Data File, CNIC-01679, CNDC- 0033, China Nuclear Information Centre (2002) 163–213. [3.3.3] SCHMITT, H.W., et al., Precision measurements of correlated energies and velocities of 252 Cf fission fragments, Phys. Rev. 137 (1965) B837– B847 (EXFOR 13081002). [3.3.4] THIERENS, H., et al., Study of the catcherfoil technique with the aid of 252 Cf(sf) and [3.3.5] 235 U(nth ,f), Nucl. Instrum. Methods 134 (1976) 299–308 (EXFOR 21531003). BLACHOT, J., et al., The cumulative decay yield of 252 Cf, J. Radioanal. Chem. (1975) 107–125 (EXFOR 21592002). [3.3.6] NERVIK, W.E., Spontaneous fission yields of 252 Cf, Phys. Rev. 119 (1960) 1685–1690. [3.3.7] FLYNN, K.F., et al., The mass distribution for spontaneous fission of 252Cf, J. Inorg. Nucl. Chem. 37 (1975) 881–885 (EXFOR 13459002). [3.3.8] LI ZE, et al., The measurement of absolute fission product yield for spontaneous fission of 252Cf, Chin. J. Nucl. Phys. 5 (1983) 221–238 (EXFOR 30691002). [3.3.9] CHEN QINGJIANG, et al., The absolute determination of the spontaneous fission yield of 252 Cf by radiochemical method, At. Energy Sci. Technol. 20 (1986) 161–166 (in Chinese). [3.3.10] FRASER, J.S., et al., Precise kinetic energy measurements and fine structure in the spontaneous fission of 252 Cf, Can. J. Phys. 41 (1963) 2080–2097 (EXFOR 13067002). [3.3.11] LIU TINGJIN, Fission yield data evaluation system FYDES, Commun. Nucl. Data Progress No. 19 (1998) 103. [3.3.12] LIU TINGJIN, et al., Spline fitting for multi-set data with knot optimization, Commun. Nucl. Data Progress No. 2 (1989) 58–70. [3.3.13] WAHL, A.C., “Systematics of fission-product yields”, Fission Product Yield Data Required for Transmutation of Minor Actinide Nuclear Waste, IAEA, Vienna (2001). [3.3.14] KATAKURA, J., A new parameter set of fission product mass yields systematic, personal communication, 2002. [3.3.15] MEHTA, G.K., et al., Detailed study of alpha emission in 252 Cf fission, Phys. Rev. C 7 (1973) 373–387. [3.3.16] FIRESTONE, R.B., Table of Isotopes, 8th edition (SHIRLEY, V.S., Ed.), Wiley, NY (1996). 95
96 Annex 3.3.1 EVALUATED EXPERIMENTAL DATA FOR 252 Cf SPONTANEOUS FISSION MASS DISTRIBUTION Blachot et al. [3.3.5] Flynn et al. [3.3.7] Adjusted for yield standard Adjusted for yield standard Mass Yield (%) Uncertainty: abs Rel (%) Mass Yield (%) Uncertainty: abs Rel (%) 91 3.8500E–01 5.6000E–02 14.55 92 5.3500E–01 1.1300E–01 21.12 93 9.3800E–01 1.1300E–01 12.05 95 1.2000E+00 5.6000E–02 4.67 97 1.4820E+00 7.5000E–02 5.06 103 5.5330E+00 3.2400E–01 5.86 105 6.3490E+00 3.3800E–01 5.32 106 6.5740E+00 4.2200E–01 6.42 112 5.1490E+00 5.0600E–01 9.83 115 2.9260E+00 1.8800E–01 6.43 125 2.8000E–02 2.8000E–02 100.00 127 1.1300E–01 4.7000E–02 41.59 129 6.9400E–01 1.1300E–01 16.28 131 1.6220E+00 6.6000E–02 4.07 132 2.1290E+00 1.1300E–01 5.31 141 5.9370E+00 3.3800E–01 5.69 143 5.8990E+00 4.2200E–01 7.15 147 4.5020E+00 4.2200E–01 9.37 151 1.6600E+00 1.8800E–01 11.33 153 1.4160E+00 1.6900E–01 11.94 157 4.0300E–01 4.7000E–02 11.66 83 3.9740E–02 3.9740E–03 10.00 85 7.7490E–02 7.9480E–03 10.26 89 3.6400E–01 2.0000E–02 5.49 91 5.7600E–01 6.0000E–02 10.42 93 6.6600E–01 7.0000E–02 10.51 95 1.2320E+00 1.1900E–01 9.66 97 1.7980E+00 1.7900E–01 9.96 131 1.6290E+00 1.5900E–01 9.76 132 2.1560E+00 1.0900E–01 5.06 133 3.0100E+00 2.9800E–01 9.90 135 3.8350E+00 3.8700E–01 10.09 139 5.7120E+00 5.7600E–01 10.08 140 5.4640E+00 2.7800E–01 5.09 141 6.0400E+00 6.0600E–01 10.03 143 5.6230E+00 2.7800E–01 4.94 144 5.9410E+00 2.9800E–01 5.02 147 3.9640E+00 3.9700E–01 10.02 149 2.7920E+00 2.7800E–01 9.96 151 1.5900E+00 1.5900E–01 10.00 153 1.1130E+00 1.0900E–01 9.79 156 6.8500E–01 7.0000E–02 10.22 161 2.0900E–01 2.0000E–02 9.57 Nervik [3.3.6] Chen Qingjiang et al. [3.3.9] Adjusted for yield standard Some uncertainties were increased Mass Yield (%) Uncertainty: abs Rel (%) Mass Yield (%) Uncertainty: abs Rel (%) 78 1.9800E–03 4.9500E–04 25.00 89 3.2200E–01 4.8000E–02 14.91 91 5.9300E–01 8.9000E–02 15.01 93 8.3400E–01 1.2500E–01 14.99 95 1.3770E+00 1.1000E–01 7.99 97 1.5480E+00 1.2400E–01 8.01 99 2.5830E+00 2.0700E–01 8.01 105 6.0200E+00 4.8200E–01 8.01 109 5.7190E+00 4.5800E–01 8.01 111 5.2160E+00 4.1700E–01 7.99 113 4.2510E+00 3.4000E–01 8.00 115 2.2920E+00 1.8300E–01 7.98 121 1.4300E–01 2.1000E–02 14.69 127 1.3100E–01 2.0000E–02 15.27 129 6.1800E–01 9.3000E–02 15.05 131 1.2760E+00 1.0200E–01 7.99 132 1.7590E+00 1.4100E–01 8.02 133 2.7840E+00 2.2300E–01 8.01 135 4.3520E+00 3.4800E–01 8.00 83 3.7000E–02 6.0000E–03 16.22 89 3.4700E–01 1.6000E–02 4.61 91 5.8200E–01 2.6000E–02 4.47 92 7.2500E–01 4.6000E–02 6.34 93 9.3100E–01 5.8000E–02 6.23 95 1.1500E+00 4.0000E–02 3.48 97 1.5700E+00 5.0000E–02 3.18 99 2.5200E+00 1.3000E–01 5.16 103 5.1800E+00 2.1000E–01 4.05 105 5.7000E+00 3.7000E–01 6.49 106 6.5100E+00 2.9000E–01 4.45 109 6.4800E+00 3.2000E–01 4.94 111 5.0800E+00 2.1000E–01 4.13 112 4.2700E+00 2.9000E–01 6.79 113 4.7000E+00 4.7000E–01 10.00 115 2.6600E+00 1.4000E–01 5.26 117 1.3600E+00 1.2000E–01 8.82 121 8.1400E–02 4.1000E–02 50.37 125 1.6000E–02 8.0000E–03 50.00
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Fission Product Yield Data for the
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AFGHANISTAN ALBANIA ALGERIA ANGOLA
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COPYRIGHT NOTICE All IAEA scientifi
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CONTRIBUTING AUTHORS Denschlag, J.-
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3.2.1. Introduction . . . . . . . .
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6. BENCHMARK EXERCISE . . . . . . .
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However, this CRP entered an entire
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‘Provisional masses’ are determ
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Three scientists were invited to pa
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8 (d) Prompt or delayed neutron emi
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[2.1.40] ITKIS, M.G., OGANESSIAN, Y
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[2.1.96] PATE, B.D., et al., Distri
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[2.1.152] JACOBS, E., et al., Produ
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16 2.2. MEASUREMENTS OF THE ENERGY
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FIG. 2.2.3. 94 Sr: best experimenta
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FIG. 2.2.15. 132 Te: best experimen
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FIG. 2.2.27. 146 Ba: best experimen
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3. EVALUATIONS 3.1. ACTINIDE NUCLEO
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3.1.2. Statistical model At least t
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J Â K=-J 2 2 2 ^ sym Krot ( U, J)
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nuclei with N > 144. However, for h
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neutron number. The observed fissio
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FIG. 3.1.6. 235 U(n,f) fission cros
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FIG. 3.1.10. 237 Np(n,f) fission cr
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from higher fission chances [3.1.43
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[3.1.48] DUSHIN, V.N., et al., Stat
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where Y S is our new standard, and
Page 56 and 57: TABLE 3.2.2. EVALUATED REFERENCE FI
Page 58 and 59: TABLE 3.2.2. EVALUATED REFERENCE FI
Page 60 and 61: TABLE 3.2.3. EVALUATED REFERENCE YI
Page 62 and 63: TABLE 3.2.3. EVALUATED REFERENCE YI
Page 64 and 65: The comparisons of our evaluated da
Page 66 and 67: TABLE 3.2.4. COMPARISON OF RECOMMEN
Page 94 and 95: TABLE 3.2.8. COMPARISON OF THE UNCE
Page 96: REFERENCES TO SECTION 3.2 [3.2.1] I
Page 99 and 100: where N C , N U are the modified an
Page 101 and 102: activities were recorded with a pro
Page 103 and 104: 3.3.4. Results and discussion The r
Page 105: FIG. 3.3.10. Li Ze et al. data: com
Page 109 and 110: Li Ze et al. [3.3.8] Thierens et al
Page 111 and 112: 100 Annex 3.3.3 EVALUATED DATA SET
Page 113 and 114: The range of target nuclides availa
Page 115 and 116: condensation of cross-sections by t
Page 117 and 118: (h) REFERENCE (C,80KIEV,171,1980) i
Page 119 and 120: uncertainties of the calculation. T
Page 122 and 123: 4. SYSTEMATICS AND MODELS FOR THE P
Page 124 and 125: FIG. 4.1.2. 235 U total cross-secti
Page 126 and 127: FIG. 4.1.9. Total and mode separate
Page 128 and 129: 4.2. SYSTEMATICS OF FISSION PRODUCT
Page 130 and 131: A - = (PA - NT)/2 (4.2.1b) 4.2.2.3.
Page 132 and 133: FIG. 4.2.4(a). 238 U + 5.5 MeV n, L
Page 134 and 135: FIG. 4.2.8(a). U238 + 300 MeV p, LS
Page 136 and 137: TABLE 4.2.1. EQUATIONS FOR SYSTEMAT
Page 138 and 139: values (points) and the derived fun
Page 140 and 141: distributions. Values of N(A) seldo
Page 142 and 143: FIG. 4.2.19. Systematic Z P paramet
Page 144 and 145: FIG. 4.2.21. Systematic Z P paramet
Page 146 and 147: FIG. 4.2.23. Nuclear charge displac
Page 148 and 149: FIG. 4.2.24. Number of protons emit
Page 150 and 151: epresenting model values and thus s
Page 152 and 153: FIG. 4.2.36. n T(A) for CF249T. FIG
Page 154 and 155: FIG. 4.2.41. U235T, line: model; po
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The FAST subroutine in the CYFP pro
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[4.2.28] BELHAFAF, D., et al., Kine
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4.3. FIVE GAUSSIAN SYSTEMATICS FOR
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Derived from measured data Fitted r
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FIG. 4.3.7. Mass distribution of 23
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FFIG. 4.3.12. Mass distribution of
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4.4. PHENOMENOLOGICAL MODEL FOR FRA
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where = 2mE is the wavelength, E
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FIG. 4.4.4. Fragment mass distribut
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fragment mass distributions are des
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FIG. 4.4.10. Fragment mass distribu
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P LD È Ê * E - 44. 7ˆ ˘ = Í1 +
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FIG. 4.4.13. Pre-neutron emission m
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FIG. 4.4.15. Post-neutron emission
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FIG. 4.4.17. Post-neutron emission
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fragment mass and charge distributi
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of the energy dependence of the fus
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4.5. MODAL APPROACH TO THE DESCRIPT
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This information was used for the p
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two neighbouring isotopes at differ
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FIG.4.5.2. Experimental relative ma
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Frequently, the yields Y i (M) are
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the nine optimum description parame
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TABLE 4.5.6. RELATIVE CONTRIBUTIONS
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TABLE 4.5.8. RELATIVE CONTRIBUTIONS
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Extracted values of s 2 M,S demonst
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FIG. 4.5.10. Fission fragment charg
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FIG. 4.5.12. Unchanged charge densi
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FIG. 4.5.16. Mass yield variance fo
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FIG. 4.5.20. Experimental mass yiel
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[4.5.24] GOVERDOVSKII, A.A., MITROF
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TABLE 4.6.1. FISSION PRODUCT YIELD
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TABLE 4.6.2. FIT PARAMETER VALUES O
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FIG. 4.6.2. Charge distributions fo
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model which is elucidated elsewhere
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the agreement is better. The observ
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inner barrier is much lower than th
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e determined in a self-consistent m
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FIG. 4.6.11. Overview of the coupli
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cross-section also has to be incorp
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FIG. 4.6.16. Same as Fig. 4.6.15, b
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FIG. 4.6.20. Pre-neutron emission m
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present have a reasonable contribut
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TABLE 4.6.5. ACCURACIES OBTAINED FR
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[4.6.7] BEIJERS, J.P.M., et al., Se
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5. NEW MODELS AND SYSTEMATICS: DEFI
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therefore his benchmark calculation
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mass distributions and practically
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5.2. BENCHMARK EXERCISE 5.2.1. Benc
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thorough and detailed analysis of t
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the fissioning nucleus and the numb
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should be undertaken — such a stu
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experimental method in order to der
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256 Valley heights and peak-to-vall
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FIG. 6.2.3. Benchmark exercise, par
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260 Wahl uncert. margins Wahl uncer
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264 Wahl uncert. margins (adj. Wahl
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Wahl (1.6-160 MeV): Distributions a
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TABLE 6.2.2. 238 U PRE-NEUTRON EMIS
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as most features are very similar t
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FIG. 6.2.14. Benchmark exercise, pa
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278 REFERENCES TO SECTION 6 [6.1] B
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As mentioned above, the mass distri
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I.3.2.6. Liu Conggui et al. [I.8] M
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after prompt-neutron emission, and
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286 Zöller (1995) 89-110 MeV, post
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(1) Data were linearly interpolated
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1. 290 Annex to Appendix I RECOMMEN
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1.2. E n = 5.5 MeV 292 Nagy et al.
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1.3. E n ª 8 MeV 294 Chapman (1978
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1.5. E n = 14-15 MeV 296 Daroczy et
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1.7. E n = 27.5 (22-33) MeV, Zölle
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1.9. E n = 99.5 (89-110) MeV, Zöll
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3. 302 239 Pu NEUTRON INDUCED FISSI
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Appendix II DATA ADJUSTMENT FOR MAS
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Vivès [II.8], Zöller [II.7] and
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Annex 1 to Appendix II ADJUSTED DAT
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Zöller (1995) [II.7] E n = 13 (11.
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E n = 50 (45-55) MeV Post-neutron e
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Äystö et al. (1998) [II.9] E p =
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E n = 1.60 MeV Pre-neutron emission
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E n = 27.5 (22-33) MeV Post-neutron
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E n = 99.5 (89-110) MeV Post-neutro
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Appendix III FISSION YIELD SYSTEMAT
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FIG. III.6. Dependence of chain yie
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TABLE III.2. Ln(y)-LINEAR(E) FIT CO
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FIG. III.14. Dependence of paramete
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FIG. III.26. Comparison of the mass
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FIG. III.38. Comparison of the mass
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TABLE III.3. QUADRATIC FUNCTION FIT
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Uncertainty ratio or uncertainty Ad
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CONTENTS OF THE CD-ROM The attached
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This publication reports on a coord
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