55-Cs-131 JAEA EVAL-Sep21 N.Iwamoto DIST-DEC21 20210920 ----JENDL-5 MATERIAL 5519 -----INCIDENT NEUTRON DATA ------ENDF-6 FORMAT History 21-09 Evaluated with CCONE code by N.Iwamoto MF= 1 General information MT=451 Descriptive data and directory MF= 2 Resonance parameters MT=151 Scattering radius only AP is assumed to be 7.05 fm. Thermal cross sections and resonance integrals at 300 K ---------------------------------------------------------- 0.0253 eV res. integ. (*) (barn) (barn) ---------------------------------------------------------- Total 1.33459E+01 Elastic 6.26482E+00 n,gamma 6.91241E+00 3.18304E+02 n,p 3.82920E-11 1.75974E-09 n,alpha 1.08650E-10 5.00529E-09 ---------------------------------------------------------- (*) Integrated from 0.5 eV to 10 MeV. MF= 3 Neutron cross sections MT= 1 Total cross section Calculated with CCONE code /1/. MT= 2 Elastic scattering cross section Calculated with CCONE code /1/. MT= 4,51-91 (n,n') cross section Calculated with CCONE code /1/. MT= 5 Total reaction (except fission) cross section Calculated with CCONE code /1/. MT= 16 (n,2n) cross section Calculated with CCONE code /1/. MT= 17 (n,3n) cross section Calculated with CCONE code /1/. MT= 22 (n,na) cross section Calculated with CCONE code /1/. MT= 28 (n,np) cross section Calculated with CCONE code /1/. MT= 32 (n,nd) cross section Calculated with CCONE code /1/. MT= 33 (n,nt) cross section Calculated with CCONE code /1/. MT= 41 (n,2np) cross section Calculated with CCONE code /1/. MT=102 Capture cross section Calculated with CCONE code /1/. The thermal cross section was derived from Shibata/2/. Below 3.99 eV the 1/v cross section was assumed. MT=103,600-649 (n,p) cross section Calculated with CCONE code /1/. MT=104,650-699 (n,d) cross section Calculated with CCONE code /1/. MT=105,700-749 (n,t) cross section Calculated with CCONE code /1/. MT=106,750-799 (n,He3) cross section Calculated with CCONE code /1/. MT=107,800-849 (n,a) cross section Calculated with CCONE code /1/. MT=111 (n,2p) cross section Calculated with CCONE code /1/. MF= 4 Angular distributions of secondary particles MT= 2 Elastic scattering Calculated with CCONE code /1/. MF= 6 Energy-angle distributions of emitted particles MT= 5 Total reaction (except fission) reaction Calculated with CCONE code /1/. MT= 16 (n,2n) reaction Calculated with CCONE code /1/. MT= 17 (n,3n) reaction Calculated with CCONE code /1/. MT= 22 (n,na) reaction Calculated with CCONE code /1/. MT= 28 (n,np) reaction Calculated with CCONE code /1/. MT= 32 (n,nd) reaction Calculated with CCONE code /1/. MT= 33 (n,nt) reaction Calculated with CCONE code /1/. MT= 41 (n,2np) reaction Calculated with CCONE code /1/. MT= 51- 91 (n,n') reaction Calculated with CCONE code /1/. MT=102 Capture reaction Calculated with CCONE code /1/. MT=111 (n,2p) reaction Calculated with CCONE code /1/. MT=600-649 (n,p) reaction Calculated with CCONE code /1/. MT=650-699 (n,d) reaction Calculated with CCONE code /1/. MT=700-749 (n,t) reaction Calculated with CCONE code /1/. MT=750-799 (n,He3) reaction Calculated with CCONE code /1/. MT=800-849 (n,a) reaction Calculated with CCONE code /1/. MF= 8 Information on decay data MT= 4 (n,n') reaction Decay chain is given in the decay data file. 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=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. MF= 9 Isomeric branching ratios MT=103 (n,p) reaction Calculated with CCONE code /1/. MF=10 Nuclide production reactions MT= 16 (n,2n) reaction Calculated with CCONE code /1/. MT= 32 (n,nd) reaction Calculated with CCONE code /1/. MT= 41 (n,2np) reaction Calculated with CCONE code /1/. MT=105 (n,t) reaction Calculated with CCONE code /1/. MT=111 (n,2p) reaction Calculated with CCONE code /1/. ------------------------------------------------------------------ nuclear model calculation with CCONE code /1/ ------------------------------------------------------------------ * Optical model potentials neutron : S.Kunieda et al./3/ proton : global OMP, A.J.Koning and J.P.Delaroche/4/ deuteron: Y.Han et al./5/ triton : folding OMP, A.J.Koning and J.P.Delaroche/4/ He-3 : Y.Xu et al./6/ alpha : M.Avrigeanu and V.Avrigeanu/7/ * Level scheme of Cs-131 ----------------------- No. Ex(MeV) J PI ----------------------- 0 0.000000 5/2 + 1 0.078730 7/2 + 2 0.123800 1/2 + 3 0.133620 5/2 + 4 0.216090 3/2 + 5 0.274000 3/2 + 6 0.373240 3/2 + 7 0.496110 9/2 + 8 0.585040 5/2 + 9 0.596350 5/2 + 10 0.616200 11/2 + 11 0.620130 1/2 + 12 0.657620 7/2 + 13 0.696490 3/2 + 14 0.750000 5/2 + 15 0.764130 5/2 + 16 0.775280 11/2 - 17 0.919580 5/2 + 18 1.043990 7/2 + 19 1.047680 3/2 + 20 1.147320 13/2 + 21 1.170670 3/2 + 22 1.212000 7/2 + 23 1.257820 7/2 + 24 1.288000 3/2 + 25 1.309060 15/2 - 26 1.314000 7/2 + 27 1.324100 15/2 + 28 1.341960 3/2 + 29 1.355000 5/2 + 30 1.383000 11/2 + 31 1.404440 13/2 - 32 1.458000 1/2 + ----------------------- * Level density parameters (Gilbert-Cameron model/8/) Energy dependent parameters of Mengoni-Nakajima/9/ were used. --------------------------------------------------------- a* Pair Eshell T E0 Ematch Elv_max 1/MeV MeV MeV MeV MeV MeV MeV --------------------------------------------------------- Cs-132 16.543 0.000 0.506 0.605 -1.518 4.247 3.666 Cs-131 16.441 1.048 1.038 0.594 -0.499 5.214 1.458 Cs-130 16.337 0.000 1.471 0.596 -1.681 4.276 1.480 Cs-129 16.234 1.057 1.827 0.515 0.104 4.105 1.609 Xe-131 18.471 1.048 -0.175 0.529 -0.017 4.463 1.722 Xe-130 16.036 2.105 0.154 0.645 0.445 6.744 2.931 Xe-129 15.930 1.057 0.966 0.651 -0.933 5.986 1.336 Xe-128 16.131 2.121 1.122 0.634 0.186 6.888 3.353 I-130 17.375 0.000 -0.684 0.614 -1.463 4.381 0.762 I-129 16.234 1.057 -0.106 0.623 -0.353 5.320 1.483 I-128 16.030 0.000 0.637 0.636 -1.751 4.630 1.325 I-127 16.028 1.065 1.070 0.628 -0.750 5.666 1.443 I-126 15.924 0.000 1.622 0.590 -1.555 4.069 0.800 I-125 15.820 1.073 1.884 0.599 -0.626 5.312 1.443 --------------------------------------------------------- * Gamma-ray strength functions for Cs-132 E1: hybrid model(GH)/10/ ER= 13.95 (MeV) EG= 3.99 (MeV) SIG= 103.57 (mb) ER= 16.00 (MeV) EG= 5.18 (MeV) SIG= 207.14 (mb) M1: standard lorentzian model(SLO) ER= 8.05 (MeV) EG= 4.00 (MeV) SIG= 0.91 (mb) E2: standard lorentzian model(SLO) ER= 12.37 (MeV) EG= 4.53 (MeV) SIG= 3.01 (mb) References 1) O.Iwamoto, J. 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