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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
- Page 15 and 16: ‘Provisional masses’ are determ
- Page 17 and 18: Three scientists were invited to pa
- Page 19 and 20: 8 (d) Prompt or delayed neutron emi
- Page 21 and 22: [2.1.40] ITKIS, M.G., OGANESSIAN, Y
- Page 23 and 24: [2.1.96] PATE, B.D., et al., Distri
- Page 25 and 26: [2.1.152] JACOBS, E., et al., Produ
- Page 27 and 28: 16 2.2. MEASUREMENTS OF THE ENERGY
- Page 29 and 30: FIG. 2.2.3. 94 Sr: best experimenta
- Page 31 and 32: FIG. 2.2.15. 132 Te: best experimen
- Page 33 and 34: FIG. 2.2.27. 146 Ba: best experimen
- Page 36 and 37: 3. EVALUATIONS 3.1. ACTINIDE NUCLEO
- Page 38 and 39: 3.1.2. Statistical model At least t
- Page 40 and 41: J Â K=-J 2 2 2 ^ sym Krot ( U, J)
- Page 42 and 43: nuclei with N > 144. However, for h
- Page 44 and 45: neutron number. The observed fissio
- Page 46 and 47: FIG. 3.1.6. 235 U(n,f) fission cros
- Page 48 and 49: FIG. 3.1.10. 237 Np(n,f) fission cr
- Page 50 and 51: from higher fission chances [3.1.43
- Page 52 and 53: [3.1.48] DUSHIN, V.N., et al., Stat
- Page 54 and 55: 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 68 and 69: TABLE 3.2.4. COMPARISON OF RECOMMEN
- Page 70 and 71: TABLE 3.2.4. COMPARISON OF RECOMMEN
- Page 72 and 73: TABLE 3.2.4. COMPARISON OF RECOMMEN
- Page 74 and 75: TABLE 3.2.4. COMPARISON OF RECOMMEN
- Page 76 and 77: TABLE 3.2.4. COMPARISON OF RECOMMEN
- Page 78 and 79: TABLE 3.2.4. COMPARISON OF RECOMMEN
- Page 80 and 81: TABLE 3.2.5. COMPARISON OF RECOMMEN
- Page 82 and 83: TABLE 3.2.5. COMPARISON OF RECOMMEN
- Page 84 and 85: TABLE 3.2.5. COMPARISON OF RECOMMEN
- Page 86 and 87: TABLE 3.2.5. COMPARISON OF RECOMMEN
- Page 88 and 89: TABLE 3.2.5. COMPARISON OF RECOMMEN
- Page 90 and 91: TABLE 3.2.6. COMPARISON OF RECOMMEN
- Page 92 and 93: TABLE 3.2.7. 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 and 106: FIG. 3.3.10. Li Ze et al. data: com
- Page 107 and 108: 96 Annex 3.3.1 EVALUATED EXPERIMENT
- 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
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(h) REFERENCE (C,80KIEV,171,1980) i
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uncertainties of the calculation. T
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4. SYSTEMATICS AND MODELS FOR THE P
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FIG. 4.1.2. 235 U total cross-secti
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FIG. 4.1.9. Total and mode separate
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4.2. SYSTEMATICS OF FISSION PRODUCT
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A - = (PA - NT)/2 (4.2.1b) 4.2.2.3.
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FIG. 4.2.4(a). 238 U + 5.5 MeV n, L
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FIG. 4.2.8(a). U238 + 300 MeV p, LS
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TABLE 4.2.1. EQUATIONS FOR SYSTEMAT
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values (points) and the derived fun
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distributions. Values of N(A) seldo
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FIG. 4.2.19. Systematic Z P paramet
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FIG. 4.2.21. Systematic Z P paramet
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FIG. 4.2.23. Nuclear charge displac
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FIG. 4.2.24. Number of protons emit
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epresenting model values and thus s
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FIG. 4.2.36. n T(A) for CF249T. FIG
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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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FIG. 4.4.6. Fragment mass distribut
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fragment mass distributions are des
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FIG. 4.4.9. Fragment mass distribut
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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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262 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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274 Wahl uncert. margins Wahl uncer
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276 Wahl uncert. margins Wahl uncer
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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