18-Ar- 42 JAEA EVAL-SEP21 F.Minato DIST-DEC21 20211205 ----JENDL-5 MATERIAL 1843 -----INCIDENT NEUTRON DATA ------ENDF-6 FORMAT History 2021-09 Evaluated 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 3.66844E+00 Elastic 3.27758E+00 (n,g) 3.85514E-01 1.74585E-01 ---------------------------------------------------------- (*) Integrated from 0.5 eV MF= 3 Neutron cross sections MT= 1 Total cross section MT= 2 Elastic scattering cross section < 100 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. >=100 keV: 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=102 Capture cross section < 100 keV: Calculated with the random resonance generator code/1/ with a condition of 1.39 mb at En=0.0253 eV, which is calculated from /3/. >=100 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/. 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=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=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') cross section 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=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. ------------------------------------------------------------------ nuclear model calculation with CCONE code /2/ ------------------------------------------------------------------ * Optical model potentials neutron : A.J.Koning and J.P.Delaroche/5/ proton : global OMP, A.J.Koning and J.P.Delaroche/5/ 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 : E.D.Arthur and P.G.Young/6/ * Level scheme of Ar-42 ----------------------- No. Ex(MeV) J PI ----------------------- 0 0.000000 0 + 1 1.208240 2 + 2 2.414000 3 - 3 2.485900 2 + 4 2.512500 2 + 5 3.013700 1 + 6 3.096200 4 + 7 3.557900 2 + 8 3.705000 1 - 9 3.820000 3 - 10 4.005600 2 + 11 4.013600 4 - 12 4.045800 1 + 13 4.127500 2 + 14 4.287200 3 + 15 4.405000 4 + ----------------------- * Level density: read from the Furutachi model/7/. S-39 S-38 S-37 S-36 S-35 * 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 --------------------------------------------------------- Ar-43 6.701 1.830 2.958 1.030 0.094 6.962 0.762 Ar-42 6.578 3.703 3.188 1.098 1.441 9.504 4.405 Ar-41 6.454 1.874 3.128 0.899 1.151 5.478 3.968 Ar-40 6.329 3.795 2.472 1.314 0.294 11.652 6.013 Ar-39 6.204 1.922 1.358 1.278 -0.380 8.852 3.893 Ar-38 6.078 3.893 -0.301 1.459 1.392 12.761 7.629 Ar-37 6.547 1.973 -1.140 1.327 0.504 9.582 4.981 Ar-36 5.825 4.000 -2.322 1.672 1.864 15.205 7.136 Ar-35 5.698 2.028 -1.676 1.525 0.740 10.859 5.048 Ar-34 5.569 4.116 -0.868 1.617 1.637 14.206 5.255 Ar-33 5.441 2.089 -0.629 1.562 0.121 10.961 1.798 Cl-42 6.578 0.000 2.476 1.190 -2.688 6.696 0.118 Cl-41 6.454 1.874 3.563 1.377 -3.183 10.944 0.130 Cl-40 6.329 0.000 2.797 1.074 -1.636 5.146 0.212 Cl-39 7.445 1.922 2.837 0.937 0.271 6.702 2.586 Cl-38 6.078 0.000 0.872 1.351 -2.418 7.539 1.981 Cl-37 5.952 1.973 -0.263 1.368 0.375 9.229 5.229 Cl-36 5.825 0.000 -1.639 1.397 -0.618 7.016 4.497 Cl-35 5.698 2.028 -1.964 1.753 -0.965 14.347 5.010 Cl-34 6.683 0.000 -2.891 1.373 -0.570 8.512 4.137 Cl-33 5.441 2.089 -2.199 1.883 -1.363 16.205 5.277 Cl-32 5.311 0.000 -2.201 1.744 -1.816 11.704 3.283 S-41 6.454 1.874 2.584 1.220 -0.989 8.786 0.449 S-40 6.329 3.795 3.289 1.291 0.017 11.536 0.904 S-34 5.569 4.116 -1.359 1.798 0.363 16.662 6.954 S-33 5.441 2.089 -2.399 1.903 -1.361 16.738 5.711 S-32 7.435 4.243 -3.372 1.358 3.265 14.479 10.493 S-31 5.181 2.155 -2.898 2.030 -1.388 18.754 7.140 --------------------------------------------------------- * Gamma-ray strength functions for Ar-43 E1: enhanced generalized lorentzian model(EGLO)/10/ ER= 18.46 (MeV) EG= 6.81 (MeV) SIG= 20.31 (mb) ER= 20.72 (MeV) EG= 8.50 (MeV) SIG= 40.62 (mb) M1: standard lorentzian model(SLO) ER= 11.70 (MeV) EG= 4.00 (MeV) SIG= 1.30 (mb) E2: standard lorentzian model(SLO) ER= 17.98 (MeV) EG= 5.59 (MeV) SIG= 0.80 (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) A.J.Koning and J.P.Delaroche, Nucl. Phys. A713, 231 (2003) 6) E.D.Arthur and P.G.Young, Report LA-8636-MS(ENDF-304) (1980) 7) N.Furutachi, F.Minato, O.Iwamoto, J. Nucl. Sci. Technol., 56, 412 (2019) 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) J.Kopecky et al., Phys. Rev. C 47, 312 (1993)