74-W -181 JAEA EVAL-Aug21 N.Iwamoto DIST-DEC21 20210830 ----JENDL-5 MATERIAL 7428 -----INCIDENT NEUTRON DATA ------ENDF-6 FORMAT History 21-08 Evaluated with CCONE code by N.Iwamoto MF= 1 General information MT=451 Descriptive data and directory MF= 2 Resonance parameters MT=151 Resolved and unresolved resonance parameters Resolved parameters for MLBW formula were given in the energy below 6 eV. Parameters were taken from Vorona et al./1/. Thermal cross sections and resonance integrals at 300 K ---------------------------------------------------------- 0.0253 eV res. integ. (*) (barn) (barn) ---------------------------------------------------------- Total 1.37333E+01 Elastic 8.25506E+00 n,gamma 5.47822E+00 7.29824E+02 n,p 5.49640E-19 9.22159E-17 n,alpha 4.78323E-06 7.88248E-04 ---------------------------------------------------------- (*) Integrated from 0.5 eV to 10 MeV. MF= 3 Neutron cross sections MT= 1 Total cross section Calculated with CCONE code /2/. MT= 2 Elastic scattering cross section Calculated with CCONE code /2/. MT=4,51-91 (n,n') cross section Calculated with CCONE code /2/. MT= 5 Total reaction (except fission) cross section Calculated with CCONE code /2/. MT= 16 (n,2n) cross section Calculated with CCONE code /2/. MT= 17 (n,3n) cross section Calculated with CCONE code /2/. MT= 22 (n,na) cross section Calculated with CCONE code /2/. MT= 24 (n,2na) cross section Calculated with CCONE code /2/. MT= 28 (n,np) cross section Calculated with CCONE code /2/. MT= 32 (n,nd) cross section Calculated with CCONE code /2/. MT= 33 (n,nt) cross section Calculated with CCONE code /2/. MT= 41 (n,2np) cross section Calculated with CCONE code /2/. MT=102 Capture cross section Calculated with CCONE code /2/. MT=103,600-649 (n,p) cross section Calculated with CCONE code /2/. Below 6eV the cross section of 1/v shape was adopted. MT=104,650-699 (n,d) cross section Calculated with CCONE code /2/. MT=105,700-749 (n,t) cross section Calculated with CCONE code /2/. MT=106,750-799 (n,He3) cross section Calculated with CCONE code /2/. MT=107,800-849 (n,a) cross section Calculated with CCONE code /2/. Below 6eV the cross section of 1/v shape was adopted. MF= 4 Angular distributions of secondary particles MT= 2 Elastic scattering Calculated with CCONE code /2/. MF= 6 Energy-angle distributions of emitted particles MT= 5 Total reaction (except fission) reaction Calculated with CCONE code /2/. MT= 16 (n,2n) reaction Calculated with CCONE code /2/. MT= 17 (n,3n) reaction Calculated with CCONE code /2/. MT= 22 (n,na) reaction Calculated with CCONE code /2/. MT= 24 (n,2na) reaction Calculated with CCONE code /2/. MT= 28 (n,np) reaction Calculated with CCONE code /2/. MT= 32 (n,nd) reaction Calculated with CCONE code /2/. MT= 33 (n,nt) reaction Calculated with CCONE code /2/. MT= 41 (n,2np) reaction Calculated with CCONE code /2/. MT=51-91 (n,n') reaction Calculated with CCONE code /2/. MT=102 Capture reaction Calculated with CCONE code /2/. MT=600-649 (n,p) reaction Calculated with CCONE code /2/. MT=650-699 (n,d) reaction Calculated with CCONE code /2/. MT=700-749 (n,t) reaction Calculated with CCONE code /2/. MT=750-799 (n,He3) reaction Calculated with CCONE code /2/. MT=800-849 (n,a) reaction Calculated with CCONE code /2/. 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= 24 (n,2na) 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. MF= 9 Isomeric branching ratios MT=107 (n,a) reaction Calculated with CCONE code /2/. MF=10 Nuclide production cross sections MT= 17 (n,3n) reaction Calculated with CCONE code /2/. MT= 28 (n,np) reaction Calculated with CCONE code /2/. MT= 33 (n,nt) reaction Calculated with CCONE code /2/. MT=104 (n,d) reaction Calculated with CCONE code /2/. MT=106 (n,He3) reaction Calculated with CCONE code /2/. ------------------------------------------------------------------ nuclear model calculation with CCONE code /2/ ------------------------------------------------------------------ * 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 : L.McFadden and G.R.Satchler/7/ * Level scheme of W-181 ----------------------- No. Ex(MeV) J PI ----------------------- 0 0.000000 9/2 + 1 0.113400 11/2 + 2 0.250720 13/2 + 3 0.365550 5/2 - 4 0.385190 1/2 - 5 0.409230 7/2 - 6 0.414300 15/2 + 7 0.450120 3/2 - 8 0.457840 1/2 - 9 0.475600 7/2 - 10 0.488430 5/2 - 11 0.528600 9/2 - 12 0.529420 3/2 - 13 0.560430 5/2 - 14 0.599400 17/2 + 15 0.609200 9/2 - 16 0.643030 7/2 - 17 0.661670 7/2 - 18 0.675200 11/2 - 19 0.715000 7/2 - 20 0.726270 3/2 - 21 0.761700 11/2 - 22 0.784000 1/2 + 23 0.805300 9/2 - 24 0.807510 5/2 - 25 0.814200 19/2 + 26 0.848200 13/2 - 27 0.937000 7/2 - 28 0.953450 7/2 + 29 0.975300 11/2 - 30 0.993500 9/2 + 31 1.009320 7/2 + 32 1.039000 21/2 + ----------------------- * 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 --------------------------------------------------------- W-182 21.566 1.779 1.233 0.494 0.157 5.757 1.888 W-181 21.215 0.892 1.441 0.490 -0.667 4.761 1.039 W-180 21.369 1.789 1.696 0.499 0.009 5.928 1.764 W-179 21.271 0.897 1.878 0.485 -0.734 4.787 0.910 Ta-181 21.719 0.892 1.431 0.391 0.267 3.204 1.772 Ta-180 21.369 0.000 1.391 0.445 -1.069 3.089 1.063 Ta-179 21.271 0.897 1.889 0.473 -0.587 4.563 1.089 Ta-178 21.172 0.000 1.752 0.372 -0.455 1.998 0.767 Ta-177 21.074 0.902 2.210 0.500 -0.966 5.092 0.573 Hf-180 20.556 1.789 1.590 0.559 -0.557 6.847 1.863 Hf-179 20.792 0.897 1.625 0.514 -0.910 5.135 1.139 Hf-178 20.921 1.799 1.846 0.547 -0.565 6.785 1.986 Hf-177 20.903 0.902 1.772 0.504 -0.852 5.016 0.979 Hf-176 20.975 1.809 1.925 0.523 -0.269 6.358 2.136 Hf-175 20.515 0.907 2.032 0.507 -0.869 5.033 0.629 Hf-174 20.777 1.819 2.163 0.508 -0.075 6.067 1.827 --------------------------------------------------------- * Gamma-ray strength functions for W-182 E1: hybrid model(GH)/10/ ER= 12.26 (MeV) EG= 3.12 (MeV) SIG= 163.51 (mb) ER= 15.34 (MeV) EG= 4.78 (MeV) SIG= 327.03 (mb) M1: standard lorentzian model(SLO) ER= 7.23 (MeV) EG= 4.00 (MeV) SIG= 1.02 (mb) E2: standard lorentzian model(SLO) ER= 11.12 (MeV) EG= 3.93 (MeV) SIG= 4.56 (mb) References 1) P.N.Vorona et al., Int. Conf. Cur. Prob. in Nucl. Phys. Atom. Ene., Kyiv, 2008, p.528 (2008) 2) O.Iwamoto, J. Nucl. Sci. Technol., 44, 687 (2007) 3) K.Shibata, J. Nucl. Sci. Technol., 51, 425 (2014) 3) S.Kunieda et al., J. Nucl. Sci. Technol. 44, 838 (2007) 4) A.J.Koning and J.P.Delaroche, Nucl. Phys. A713, 231 (2003) 5) Y.Han et al., Phys. Rev. C 74,044615(2006) 6) Y.Xu et al., Sci. China, Phys. Mech. & Astron., 54[11], 2005 (2011) 7) L.McFadden and G.R.Satchler, Nucl. Phys. 84, 177 (1966) 8) A. Gilbert and A.G.W. Cameron, Can. J. Phys, 43, 1446 (1965) 9) A. Mengoni and Y. Nakajima, J. Nucl. Sci. Technol., 31, 151 (1994) 10) S. Goriely, Phys. Lett. B436, 10 (1998)