40-Zr- 91 EVAL-Nov18 ichihara DIST-DEC21 20200318 ----JENDL-5 MATERIAL 4028 -----INCIDENT NEUTRON DATA ------ENDF-6 FORMAT History 2018-11 Evaluated with CCONE code by ichihara 2020-10 Energies of discrete primary photons were corrected. 21-11 above 20 MeV, JENDL/ImPACT-2018 merged by O.Iwamoto 21-11 (MF6/MT5) recoil spectrum added by O.Iwamoto MF= 1 General information MT=451 Descriptive data and directory MF= 2 Resonance parameters MT=151 Resolved and unresolved resonance parameters Resolved resonance region: below 26.0 keV In JENDL-4.0, the resolved resonance parameters were taken from the work of Tagliente et al./1/ A negative resonance was inserted so as to be consistent with the lower-limit of the capture cross section measured by Nakamura et al./2/ In JENDL-5, the Reich-Moore (RM) format was applied. The 12.218 and 15.763 keV resonances in /1/ were supplemented. Negative resonance parameters of Mughabghab /3/ were adopted. Unresolved resonance region : 26.0 keV - 200 keV The unresolved resonance parameters were calculated using the asrep code/4/. The parameters should be used only for the self-shielding calculation. calculated 2200-m/s cross sections and res. integrals (barns) 2200 m/s res. integ. total 10.99 - elastic 9.683 - capture 1.309 5.76 MF= 3 Neutron cross sections Below 26 keV, resonance parameters were given. Above the energy, cross sections were calculated with the CCONE code /5/. Details of computation are given in /6/. MT= 1 Total cross section Calculated with CCONE code /5/. MT= 2 Elastic scattering cross section Calculated with CCONE code /5/. MT=4,51-91 (n,n') cross section Calculated with CCONE code /5/. MT= 16 (n,2n) cross section Calculated with CCONE code /5/. MT= 17 (n,3n) cross section Calculated with CCONE code /5/. MT= 22 (n,na) cross section Calculated with CCONE code /5/. MT= 28 (n,np) cross section Calculated with CCONE code /5/. MT= 32 (n,nd) cross section Calculated with CCONE code /5/. MT= 41 (n,2np) cross section Calculated with CCONE code /5/. MT=102 Capture cross section Calculated with CCONE code /5/. MT=103,600-649 (n,p) cross section Calculated with CCONE code /5/. MT=104,650-699 (n,d) cross section Calculated with CCONE code /5/. MT=105,700-749 (n,t) cross section Calculated with CCONE code /5/. MT=106,750-799 (n,He3) cross section Calculated with CCONE code /5/. MT=107,800-849 (n,a) cross section Calculated with CCONE code /5/. MT=111 (n,2p) cross section Calculated with CCONE code /5/. MT=112 (n,pa) cross section Calculated with CCONE code /5/. MF= 4 Angular distributions of secondary neutrons MT= 2 Elastic scattering Calculated with CCONE code /5/. MF= 6 Energy-angle distributions of emitted particles MT= 16 (n,2n) reaction Calculated with CCONE code /5/. MT= 17 (n,3n) reaction Calculated with CCONE code /5/. MT= 22 (n,na) reaction Calculated with CCONE code /5/. MT= 28 (n,np) reaction Calculated with CCONE code /5/. MT= 32 (n,nd) reaction Calculated with CCONE code /5/. MT= 41 (n,2np) reaction Calculated with CCONE code /5/. MT=51-91 (n,n') reaction Calculated with CCONE code /5/. MT=102 Capture reaction Calculated with CCONE code /5/. MT=111 (n,2p) reaction Calculated with CCONE code /5/. MT=112 (n,pa) reaction Calculated with CCONE code /5/. MT=600-649 (n,p) reaction Calculated with CCONE code /5/. MT=650-699 (n,d) reaction Calculated with CCONE code /5/. MT=700-749 (n,t) reaction Calculated with CCONE code /5/. MT=750-799 (n,He3) reaction Calculated with CCONE code /5/. MT=800-849 (n,a) reaction Calculated with CCONE code /5/. MF= 8 Information on decay data MT=4 (n,n') MT= 16 (n,2n) MT= 17 (n,3n) MT= 22 (n,na) MT= 28 (n,np) MT= 32 (n,nd) MT= 41 (n,2np) MT=102 Capture MT=103 (n,p) MT=104 (n,d) MT=105 (n,t) MT=106 (n,He3) MT=107 (n,a) MT=111 (n,2p) MT=112 (n,pa) MF=10 Nuclide production cross sections MT= 16 (n,2n) reaction Calculated with CCONE code /5/. MT= 22 (n,na) reaction Calculated with CCONE code /5/. MT= 28 (n,np) reaction Calculated with CCONE code /5/. MT= 32 (n,nd) reaction Calculated with CCONE code /5/. MT= 41 (n,2np) reaction Calculated with CCONE code /5/. MT=103 (n,p) reaction Calculated with CCONE code /5/. MT=104 (n,d) reaction Calculated with CCONE code /5/. MT=105 (n,t) reaction Calculated with CCONE code /5/. ------------------------------------------------------------------ nuclear model calculation with CCONE code /5/ ------------------------------------------------------------------ * Optical model potentials alpha : V.Avrigeanu et al./7/ deuteron: J.M.Lohr and W.Haeberli/8/ He-3 : F.D.Becchetti Jr. and G.W.Greenlees/9/ neutron : S.Kunieda et al./6,10/ proton : S.Kunieda et al./10/ triton : F.D.Becchetti Jr. and G.W.Greenlees/9/ * Level scheme of Zr-91 ----------------------- No. Ex(MeV) J PI ----------------------- 0 0.000000 5/2 + 1 1.204810 1/2 + 2 1.466400 5/2 + 3 1.882200 7/2 + 4 2.042350 3/2 + 5 2.131490 9/2 + 6 2.170150 11/2 - 7 2.189500 5/2 - 8 2.200500 7/2 + 9 2.259920 13/2 - 10 2.287800 15/2 - 11 2.320500 11/2 - 12 2.356400 1/2 - 13 2.366560 7/2 - 14 2.394900 9/2 - ----------------------- * Level density parameters (Gilbert-Cameron model/11/) Energy dependent parameters of Mengoni-Nakajima/12/ were used. --------------------------------------------------------- a* Pair Eshell T E0 Ematch Elv_max 1/MeV MeV MeV MeV MeV MeV MeV --------------------------------------------------------- Zr-92 11.704 2.502 -0.006 0.851 0.532 8.230 2.820 Zr-91 11.890 1.258 -1.233 0.823 0.027 6.228 2.395 Zr-90 11.748 2.530 -1.956 0.791 1.946 6.578 3.309 Zr-89 12.323 1.272 -0.595 0.836 -0.532 7.012 2.151 Y-91 11.338 1.258 0.165 0.844 -0.514 6.650 1.547 Y-90 11.500 0.000 -1.297 0.709 -0.368 2.976 1.417 Y-89 11.127 1.272 -1.867 0.694 1.409 3.627 3.248 Sr-90 11.748 2.530 0.139 0.813 0.818 7.712 2.674 Sr-89 10.953 1.272 -0.952 0.857 0.118 6.194 2.079 Sr-88 11.473 2.558 -1.514 0.826 1.739 7.165 3.585 Sr-87 12.365 1.287 -0.027 0.680 0.465 4.755 1.770 --------------------------------------------------------- * Gamma-ray strength functions for Zr-92 E1: standard lorentzian model(SLO) ER= 16.60 (MeV) EG= 5.57 (MeV) SIG= 186.20 (mb) M1: standard lorentzian model(SLO) ER= 9.08 (MeV) EG= 4.00 (MeV) SIG= 4.17 (mb) E2: standard lorentzian model(SLO) ER= 13.96 (MeV) EG= 5.01 (MeV) SIG= 2.07 (mb) References 1) Tagliente, G., et al.: Phys. Rev., C78, 045804 (2008). 2) Nakamura, S., et al.: J. Nucl. Sci. Technol., 44, 21 (2007). 3) Mughabghab, S.F.: "Atlas of Neutron Resonances, 6th Edition, Vol. 1", Elsevier, Amsterdam (2018). 4) Kikuchi, Y., et al.: JAERI-Data/Code 99-025 (1999) [in Japanese]. 5) Iwamoto, O.: J. Nucl. Sci. Technol., 44, 687 (2007). 6) Ichihara, A.: J. Nucl. Sci. Technol., 55, 1087 (2018). 7) Avrigeanu, V., et al.: Report OUNP-94-02 (1994) , Phys. Rev., C49, 2136 (1994). 8) Lohr, J.M. and Haeberli, W.: Nucl. Phys., A232, 381 (1974). 9) Becchetti Jr., F.D. and Greenlees, G.W.: Ann. Rept. J.H. Williams Lab., Univ. Minnesota (1969). 10) Kunieda, S., et al.: J. Nucl. Sci. Technol., 44, 838 (2007). 11) Gilbert, A. and Cameron, A.G.W.: Can. J. Phys., 43, 1446 (1965). 12) Mengoni, A. and Nakajima, Y.: J. Nucl. Sci. Technol., 31, 151 (1994).