LLNL Evaluation, September 2005 1 0 0 0 6.214600+4 1.459130+2 -1 0 0 06231 1451 1 0.000000+0 0.000000+0 0 0 0 66231 1451 2 9.986200-1 2.000000+7 0 0 10010 66231 1451 3 0.000000+0 0.000000+0 0 0 64 36231 1451 4 62-Sm-146 LLNL EVAL-Jun05 R. D. Hoffman, K. Kelley, et al. 6231 1451 5 DIST- REV- 6231 1451 6 LLNL Evaluation, September 2005 6231 1451 7 6231 1451 8 R. D. Hoffman, K. Kelley, F. S. Dietrich, R. Bauer, M. Mustafa, 6231 1451 9 D. Brown 6231 1451 10 6231 1451 11 ******************************************************************6231 1451 12 6231 1451 13 MF=3: CROSS SECTIONS FOR TARGET 146-SM (GS) 6231 1451 14 6231 1451 15 Cross sections to the ground state and any isomeric states in the 6231 1451 16 residual have been included for the following reactions: 6231 1451 17 6231 1451 18 (n,g) 6231 1451 19 (n,2n) 6231 1451 20 (n,3n) 6231 1451 21 (n,p) 6231 1451 22 (n,np)+(n,pn) 6231 1451 23 (n,a) 6231 1451 24 (n,d) 6231 1451 25 (p,n) 6231 1451 26 (p,2n) 6231 1451 27 (d,n) 6231 1451 28 (d,2n) 6231 1451 29 6231 1451 30 Cross sections were calculated for incident energies from 5 keV 6231 1451 31 to 20 MeV, using the STAPRE code with a exiton model for 6231 1451 32 pre-equilibrium emission. Direct reaction contributions are not 6231 1451 33 included. 6231 1451 34 6231 1451 35 Exit particles considered are neutrons, protons, alpha particles, 6231 1451 36 and deuterons. Transmission coefficients for neutrons and protons 6231 1451 37 were obtained from an optical potential for rare earth elements 6231 1451 38 developed by F. Dietrich and using the ECIS code. The 6231 1451 39 transmission coefficients for alpha particles were obtained from 6231 1451 40 the optical potential of Avrigeanu, et.al. Those for deuterons 6231 1451 41 are from the optical potential of Lohr and Haeberli. Alpha and 6231 1451 42 deuteron transmission coefficients were calculated using the 6231 1451 43 SCAT2 routine. An enhanced generalized Lorentzian is assumed for 6231 1451 44 the E1 photon strength function, and is normalized to measured or 6231 1451 45 systematic values of the average total s-wave radiation width at 6231 1451 46 the neutron binding energy. 6231 1451 47 6231 1451 48 Backshifted Fermi gas level density parameters are derived from 6231 1451 49 measured s-wave resonance spacings where available. For other 6231 1451 50 nuclei, systematic values are adopted. At low energies a constant 6231 1451 51 temperature form is adopted, and the two formulae are matched at 6231 1451 52 an energy between the backshift and the neutron binding energy so 6231 1451 53 as to give the best possible fit to known spectroscopic levels. 6231 1451 54 6231 1451 55 Discrete levels are taken from the Reference Input Parameter 6231 1451 56 Library (RIPL) with additional evaluations performed by R. Bauer. 6231 1451 57 6231 1451 58 Further details regarding this modeling effort can be found in R. 6231 1451 59 D. Hoffman, K. Kelley, F. S. Dietrich, R. Bauer, & M. Mustafa, 6231 1451 60 "Neutron and Charged- Particle Induced Cross Sections for 6231 1451 61 Radiochemistry in the Region of Samarium, Europium, and 6231 1451 62 Gadolinium", 2005, LLNL, UCRL-TR-211588, soon to be available 6231 1451 63 online at http://www.osti.gov/bridge 6231 1451 64 6231 1451 65 ******************************************************************6231 1451 66 6231 1451 67 *************************** DICTIONARY ***************************6231 1451 68 1 451 71 06231 1451 69 3 4 55 06231 1451 70 3 16 31 06231 1451 71 0.000000+0 0.000000+0 0 0 0 06231 1 099999 0.000000+0 0.000000+0 0 0 0 06231 0 0 0 6.214600+4 1.459130+2 0 0 0 06231 3 4 1 -4.655610+6-4.655610+6 0 0 1 1556231 3 4 2 155 2 6231 3 4 3 4.687766+6 5.25355-10 4.700000+6 2.135740-6 4.800000+6 1.116590-46231 3 4 4 4.900000+6 3.811690-4 5.000000+6 8.964410-4 5.100000+6 2.030250-36231 3 4 5 5.200000+6 2.842160-3 5.300000+6 3.636770-3 5.400000+6 4.559900-36231 3 4 6 5.500000+6 5.583310-3 5.600000+6 6.758260-3 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