11-Na- 24 JAEA EVAL-SEP21 F.Minato DIST-DEC21 20211025 ----JENDL-5 MATERIAL 1128 -----INCIDENT NEUTRON DATA ------ENDF-6 FORMAT History 2021-10 Evaluated with CCONE code by F.Minato MF= 1 General information MT=451 Descriptive data and directory MF= 2 Resonance parameters MT=151 Scattering radius only AP=0.123x(AWR)**(1/3)+0.08 Thermal cross sections and resonance integrals at 300 K ---------------------------------------------------------- 0.0253 eV res. integ. (*) (barn) (barn) ---------------------------------------------------------- Total 4.64761E+00 Elastic 2.27744E+00 (n,g) 2.37124E+00 1.20638E+00 ---------------------------------------------------------- (*) Integrated from 0.5 eV MF= 3 Neutron cross sections MT= 1 Total cross section MT= 2 Elastic scattering cross section < 30 keV: Calculated with the random resonance generator code/1/ with a condition of 4pi R^2 at En=2.53e-2 eV, where R=0.123*(AWR)**(1/3)+0.08. >= 30 keV: Calculated with CCONE code /2/. MT= 3 Non-elastic cross section Calculated with CCONE code /2/. MT=4,51-91 (n,n') cross section Calculated with CCONE code /2/. MT= 16 (n,2n) 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 < 30 keV: Calculated with the random resonance generator code/1/ with a condition of 2.363+/-0.05 b at En=0.0253 eV, which is calculated from /3/. >= 30 keV: Calculated with CCONE code /2/. Direct and Semi-Direct components without the interference effect are also considered through the dcap code/4/. MT=103,600-649 (n,p) cross section Calculated with CCONE code /2/. 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=107,800-849 (n,a) cross section Calculated with CCONE code /2/. MT=108 (n,2a) cross section Calculated with CCONE code /2/. MT=112 (n,pa) cross section Calculated with CCONE code /2/. MT=155 (n,ta) cross section Calculated with CCONE code /2/. 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= 16 (n,2n) 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=108 (n,2a) reaction Calculated with CCONE code /2/. MT=112 (n,pa) reaction Calculated with CCONE code /2/. MT=155 (n,ta) 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=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= 16 (n,2n) 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=107 (n,a) reaction Decay chain is given in the decay data file. MT=108 (n,2a) reaction Decay chain is given in the decay data file. MT=112 (n,pa) reaction Decay chain is given in the decay data file. MT=155 (n,ta) reaction Decay chain is given in the decay data file. MF=10 Nuclide production cross sections ------------------------------------------------------------------ nuclear model calculation with CCONE code /2/ ------------------------------------------------------------------ * Optical model potentials neutron : K.Shibata/5/ proton : F.G.Perey/6/ deuteron: folding OMP, A.J.Koning and J.P.Delaroche/7/ triton : folding OMP, A.J.Koning and J.P.Delaroche/7/ He-3 : folding OMP, A.J.Koning and J.P.Delaroche/7/ alpha : J.R.Huizenga and G.Igo/8/ * Level scheme of Na-24 ----------------------- No. Ex(MeV) J PI ----------------------- 0 0.000000 4 + 1 0.472210 1 + 2 0.563200 2 + 3 1.341460 2 + 4 1.344630 3 + 5 1.346620 1 + 6 1.512400 5 + ----------------------- * Level density parameters (Gilbert-Cameron model/9/) Energy dependent parameters of Mengoni-Nakajima/10/ were used. --------------------------------------------------------- a* Pair Eshell T E0 Ematch Elv_max 1/MeV MeV MeV MeV MeV MeV MeV --------------------------------------------------------- Na-25 4.381 2.400 0.883 1.731 0.184 10.755 5.876 Na-24 2.748 0.000 -0.676 3.543 -13.207 28.065 1.512 Na-23 2.874 2.502 -0.947 3.624 -7.731 29.774 6.868 Ne-24 4.244 4.899 1.387 1.568 3.654 11.204 8.393 Ne-23 5.338 2.502 1.138 1.547 -0.563 11.070 2.517 Ne-22 3.967 5.117 0.716 2.183 0.693 17.771 9.324 Ne-21 3.827 2.619 -0.446 2.317 -1.267 16.996 8.782 F-23 5.749 2.502 1.190 1.032 2.275 6.034 2.383 F-22 3.967 0.000 1.037 2.272 -5.556 13.830 2.990 F-21 3.827 2.619 2.195 1.828 0.090 10.516 5.787 F-20 4.607 0.000 0.270 1.918 -3.799 11.589 2.194 F-19 3.543 2.753 0.484 2.518 -2.574 17.998 5.107 --------------------------------------------------------- * Gamma-ray strength functions for Na-25 E1: enhanced generalized lorentzian model(EGLO)/11/ ER= 19.11 (MeV) EG= 7.28 (MeV) SIG= 9.29 (mb) ER= 25.08 (MeV) EG= 12.24 (MeV) SIG= 18.58 (mb) M1: standard lorentzian model(SLO) ER= 14.02 (MeV) EG= 4.00 (MeV) SIG= 1.85 (mb) E2: standard lorentzian model(SLO) ER= 21.55 (MeV) EG= 5.81 (MeV) SIG= 0.50 (mb) References 1) N.Furutachi, F.Minato, O.Iwamoto, Phys. Rev. C 100, 014610 (2019) 2) O.Iwamoto, J. Nucl. Sci. Technol., 44, 687 (2007) 3) K.Shibata, J. Nucl. Sci. Technol., 51, 425 (2014). 4) F.Minato and T.Fukui, EPJ Web of Conf. 163, 00037 (2017) 5) K.Shibata, J.Nucl.Sci.Technol, 39, 1065 (2002) 6) F.G.Perey, Phys. Rev. 131,745 (1963) 7) A.J.Koning and J.P.Delaroche, Nucl. Phys. A713, 231 (2003) 8) J.R.Huizenga and G.Igo, Nucl. Phys. 29,462 (1962) 9) A. Gilbert and A.G.W. Cameron, Can. J. Phys, 43, 1446 (1965) 10) A. Mengoni and Y. Nakajima, J. Nucl. Sci. Technol., 31, 151 (1994) 11) J. Kopecky et al., Phys. Rev. C 47, 312 (1993)