27-Co- 59 JAEA EVAL-Jan21 N.Iwamoto DIST-DEC21 20210131 ----JENDL-5 MATERIAL 2725 -----INCIDENT NEUTRON DATA ------ENDF-6 FORMAT History 2021-01 Evaluated with CCONE code by N.Iwamoto 21-11 (MF6/MT5) recoil spectrum added by O.Iwamoto 21-12 JENDL-5rc1 revised by N.Iwamoto (MF33/MT1-112, MF34/MT2) Evaluated with CCONE-KALMAN MF= 1 General information MT=451 Descriptive data and directory MF= 2 Resonance parameters MT=151 Resolved and unresolved resonance parameters Resolved resonance region (Reich-Moore) : below 100 keV Resonance parameters were taken from de Saussure et al./1/. The neutron and radiation widths of negative resonance were changed to reproduce the thermal total and capture cross sections, where thermal capture cross section was derived from measured data renormalized by the latest monitor cross sections/2/. Thermal cross sections and resonance integrals at 300 K ---------------------------------------------------------- 0.0253 eV res. integ. (*) (barn) (barn) ---------------------------------------------------------- Total 4.31538E+01 Elastic 5.84548E+00 n,gamma 3.73079E+01 7.58219E+01 ---------------------------------------------------------- (*) Integrated from 0.5 eV to 10 MeV. MF= 3 Neutron cross sections MT= 1 Total cross section Calculated with CCONE code /3/. MT= 2 Elastic scattering cross section Calculated with CCONE code /3/. MT=4,51-91 (n,n') cross section Calculated with CCONE code /3/. MT= 5 Total reaction (except fission) cross section Calculated with CCONE code /3/. MT= 16 (n,2n) cross section Calculated with CCONE code /3/. MT= 17 (n,3n) cross section Calculated with CCONE code /3/. MT= 22 (n,na) cross section Calculated with CCONE code /3/. MT= 28 (n,np) cross section Calculated with CCONE code /3/. MT= 32 (n,nd) cross section Calculated with CCONE code /3/. MT= 33 (n,nt) cross section Calculated with CCONE code /3/. MT= 41 (n,2np) cross section Calculated with CCONE code /3/. MT= 44 (n,n2p) cross section Calculated with CCONE code /3/. MT=102 Capture cross section Calculated with CCONE code /3/. MT=103,600-649 (n,p) cross section Calculated with CCONE code /3/. MT=104,650-699 (n,d) cross section Calculated with CCONE code /3/. MT=105,700-749 (n,t) cross section Calculated with CCONE code /3/. MT=106,750-799 (n,He3) cross section Calculated with CCONE code /3/. MT=107,800-849 (n,a) cross section Calculated with CCONE code /3/. MT=111 (n,2p) cross section Calculated with CCONE code /3/. MT=112 (n,pa) cross section Calculated with CCONE code /3/. MF= 4 Angular distributions of secondary particles MT= 2 Elastic scattering Calculated with CCONE code /3/. MF= 6 Energy-angle distributions of emitted particles MT= 5 Total reaction (except fission) reaction Calculated with CCONE code /3/. MT= 16 (n,2n) reaction Calculated with CCONE code /3/. MT= 17 (n,3n) reaction Calculated with CCONE code /3/. MT= 22 (n,na) reaction Calculated with CCONE code /3/. MT= 28 (n,np) reaction Calculated with CCONE code /3/. MT= 32 (n,nd) reaction Calculated with CCONE code /3/. MT= 33 (n,nt) reaction Calculated with CCONE code /3/. MT= 41 (n,2np) reaction Calculated with CCONE code /3/. MT= 44 (n,n2p) reaction Calculated with CCONE code /3/. MT=51-91 (n,n') reaction Calculated with CCONE code /3/. MT=102 Capture reaction Calculated with CCONE code /3/. MT=111 (n,2p) reaction Calculated with CCONE code /3/. MT=112 (n,pa) reaction Calculated with CCONE code /3/. MT=600-649 (n,p) reaction Calculated with CCONE code /3/. MT=650-699 (n,d) reaction Calculated with CCONE code /3/. MT=700-749 (n,t) reaction Calculated with CCONE code /3/. MT=750-799 (n,He3) reaction Calculated with CCONE code /3/. MT=800-849 (n,a) reaction Calculated with CCONE code /3/. MF= 8 Information on decay data MT= 5 Total reaction (except fission) reaction Decay chain is given in the decay data file. MT= 16 (n,2n) reaction Decay chain is given in the decay data file. MT= 17 (n,3n) reaction Decay chain is given in the decay data file. MT= 22 (n,na) reaction Decay chain is given in the decay data file. MT= 28 (n,np) reaction Decay chain is given in the decay data file. MT= 32 (n,nd) reaction Decay chain is given in the decay data file. MT= 33 (n,nt) reaction Decay chain is given in the decay data file. MT= 41 (n,2np) reaction Decay chain is given in the decay data file. MT= 44 (n,n2p) reaction Decay chain is given in the decay data file. MT=102 Capture reaction Decay chain is given in the decay data file. MT=103 (n,p) reaction Decay chain is given in the decay data file. MT=104 (n,d) reaction Decay chain is given in the decay data file. MT=105 (n,t) reaction Decay chain is given in the decay data file. MT=106 (n,He3) reaction Decay chain is given in the decay data file. MT=107 (n,a) reaction Decay chain is given in the decay data file. MT=111 (n,2p) reaction Decay chain is given in the decay data file. MT=112 (n,pa) reaction Decay chain is given in the decay data file. MF= 9 Isomeric branching ratios MT=102 Capture reaction Calculated with CCONE code /3/. Branching ratios were adjusted to reproduce the production cross section of meta-state of Co-60. MF=10 Nuclide production cross sections MT= 16 (n,2n) reaction Calculated with CCONE code /3/. Branching ratios were adjusted to reproduce the production cross section of meta-state of Co-58. MT=111 (n,2p) reaction Calculated with CCONE code /3/. MF=33 Covariances of neutron cross sections Covariances were given to all the cross sections by using KALMAN code and the covariances of model parameters used in the cross-section calculations. The data of MT2,102 in the resolved resonance region were taken from JENDL-4.0, but the uncertainty of MT102 was changed below 10 eV. The data of MT1 is the summation of all the related MTs. MF=34 Covariances for Angular Distributions MT= 2 Elastic scattering Covariances were given only to P1 components. ------------------------------------------------------------------ nuclear model calculation with CCONE code /3/ ------------------------------------------------------------------ * Optical model potentials neutron : S.Kunieda et al./4/ modified proton : A.J.Koning and J.P.Delaroche/5/ modified deuteron: folding OMP, A.J.Koning and J.P.Delaroche/5/ triton : folding OMP, A.J.Koning and J.P.Delaroche/5/ He-3 : folding OMP, A.J.Koning and J.P.Delaroche/5/ alpha : L.McFadden and G.R.Satchler/6/ modified * Level scheme of Co-59 ----------------------- No. Ex(MeV) J PI ----------------------- 0 0.000000 7/2 - 1 1.099260 3/2 - 2 1.190450 9/2 - 3 1.291600 3/2 - 4 1.434260 1/2 - 5 1.459510 11/2 - 6 1.481720 5/2 - 7 1.744670 7/2 - 8 2.061760 7/2 - 9 2.087200 5/2 - 10 2.153620 13/2 - 11 2.183500 11/2 + 12 2.204780 5/2 - 13 2.394800 9/2 + 14 2.478700 5/2 - 15 2.540400 7/2 - 16 2.581710 3/2 - 17 2.585800 7/2 - 18 2.713100 1/2 + 19 2.722400 7/2 + 20 2.770200 5/2 - 21 2.781700 5/2 - 22 2.816800 5/2 + 23 2.824200 13/2 + 24 2.826200 7/2 - 25 2.829100 7/2 - 26 2.912000 3/2 - 27 2.914600 5/2 + 28 2.957900 5/2 - 29 2.963100 7/2 + 30 2.965900 3/2 - 31 2.973000 11/2 - 32 2.977000 3/2 + 33 3.014900 7/2 - 34 3.016800 9/2 - 35 3.062700 1/2 - 36 3.081620 9/2 - 37 3.090400 7/2 - 38 3.120900 11/2 - 39 3.122060 7/2 + 40 3.140500 7/2 - ----------------------- * Level density parameters (Gilbert-Cameron model/7/) Energy dependent parameters of Mengoni-Nakajima/8/ were used. --------------------------------------------------------- a* Pair Eshell T E0 Ematch Elv_max 1/MeV MeV MeV MeV MeV MeV MeV --------------------------------------------------------- Co-60 8.494 0.000 -0.608 1.181 -2.621 7.896 1.981 Co-59 8.617 1.562 -1.233 1.371 -2.901 13.397 3.140 Co-58 8.500 0.000 -2.321 1.430 -4.099 13.110 1.925 Co-57 8.383 1.589 -2.987 1.499 -2.598 16.370 3.469 Fe-59 9.026 1.562 0.279 0.992 -0.368 7.294 2.856 Fe-58 7.911 3.151 -0.530 1.402 -1.184 14.190 4.353 Fe-57 8.384 1.589 -1.312 1.336 -2.068 12.210 2.988 Fe-56 8.265 3.207 -2.152 1.472 -1.225 16.768 5.386 Mn-58 8.500 0.000 1.105 0.901 -1.247 4.292 1.413 Mn-57 8.383 1.589 0.838 1.113 -1.234 8.597 2.772 Mn-56 8.108 0.000 -0.645 1.272 -3.114 8.915 1.780 Mn-55 8.148 1.618 -1.124 1.448 -3.248 14.184 3.080 Mn-54 8.029 0.000 -2.202 1.324 -2.330 9.596 2.498 --------------------------------------------------------- * Gamma-ray strength functions for Co-60 E1: hybrid model(GH)/9/ ER= 16.70 (MeV) EG= 5.63 (MeV) SIG= 33.58 (mb) ER= 19.35 (MeV) EG= 7.46 (MeV) SIG= 67.16 (mb) M1: standard lorentzian model(SLO) ER= 10.47 (MeV) EG= 4.00 (MeV) SIG= 1.73 (mb) E2: standard lorentzian model(SLO) ER= 16.09 (MeV) EG= 5.39 (MeV) SIG= 1.34 (mb) References 1) G.de Saussure et al., ORNL/TM-1176 (1991) 2) A.D. Carlson, et al., Nuclear Data Sheets 148, 143 (2018) 3) O.Iwamoto, J. Nucl. Sci. Technol., 44, 687 (2007) 4) S.Kunieda et al., J. Nucl. Sci. Technol. 44, 838 (2007) 5) A.J.Koning and J.P.Delaroche, Nucl. Phys. A713, 231 (2003) 6) L.McFadden and G.R.Satchler, Nucl. Phys. 84, 177 (1966) 7) A.Gilbert and A.G.W. Cameron, Can. J. Phys, 43, 1446 (1965) 8) A.Mengoni and Y. Nakajima, J. Nucl. Sci. Technol., 31, 151 (1994) 9) S.Goriely, Phys. Lett. B436, 10 (1998)