Retrieved by E4-util: 2010/02/01,11:45:40 1 0 0 0 9.724700+4 2.449480+2 1 1 59 09747 1451 1 0.000000+0 1.0000E+00 0 0 0 69747 1451 2 1.000000+0 2.0000E+07 0 0 10 09747 1451 3 0.000000+0 0.000000+0 0 0 185 659747 1451 4 97-Bk-247 IPPE EVAL-SEP06 Nikolaev M.N. 9747 1451 5 DIST-DEC06 9747 1451 6 ----RUSFOND Material 9747 9747 1451 7 -----Incident neutron data 9747 1451 8 ------ENDF-6 Format 9747 1451 9 9747 1451 10 RUSFOND DESCRIPTION 9747 1451 11 (See RUSFOND manual for details) 9747 1451 12 9747 1451 13 Data from JENDL-3.3 are adopted 9747 1451 14 9747 1451 15 1. MF1 Mt455 was added from JEFF-3.1 (8 groups of dn) 9747 1451 16 2. MF4 Mt455 was added the same as for Cm-245 9747 1451 17 ******************************************************************9747 1451 18 9747 1451 19 JENDL-3.3 description 9747 1451 20 ******************************************************************9747 1451 21 EVAL-JUN95 T.NAKAGAWA AND T.LIU 9747 1451 22 9747 1451 23 HISTORY 9747 1451 24 95-06 NEW EVALUATION FOR JENDL ACTINIDE FILE WAS MADE BY 9747 1451 25 T.NAKAGAWA AND T.LIU /1/. 9747 1451 26 99-12 RECOMPILED BY T.NAKAGAWA. 9747 1451 27 THE FOLLOWING QUANTITIES ARE RE-EVALUATED AFTER JAERI- 9747 1451 28 RESEARCH 97-056: 9747 1451 29 MF=3 MT=102 DIRECT/SEMI-DIRECT MODIFIED. 9747 1451 30 MF=4 MT= 2 BELOW 500 KEV, REPLACED WITH CASTHY CALC. 9747 1451 31 MF=5 MT=16, 17, 18, 91 9747 1451 32 9747 1451 33 9747 1451 34 MF=1 GENERAL INFORMATION 9747 1451 35 MT=451 COMMENTS AND DICTIONARY 9747 1451 36 MT=452 NUMBER OF NEUTRONS PER FISSION 9747 1451 37 SUM OF MT'S =455 AND 456. 9747 1451 38 MT=455 DELAYED NEUTRON DATA 9747 1451 39 SEMI-EMPIRICAL FORMULA BY TUTTLE /2/. 9747 1451 40 MT=456 PROMPT NEUTRON DATA 9747 1451 41 SEMI-EMPIRICAL FORMULA BY HOWERTON /3/. 9747 1451 42 9747 1451 43 MF=2,MT=151 RESONANCE PARAMETERS 9747 1451 44 RESOLVED RESONANCE REGION (SLBW) : 1.0E-5 TO 150 EV 9747 1451 45 HYPOTHETICAL RESONANCE LEVELS WERE GIVE. THEIR PARAMETERS 9747 1451 46 WERE DETERMINED SO AS TO REPRODUCE THERMAL CROSS SECTIONS. 9747 1451 47 ASSUMED DATA WERE: 9747 1451 48 S-WAVE NEUTRON STRENGTH FUNCTION = 1.0E-4 9747 1451 49 AVERAGE LEVEL SPACING = 2.01 EV (FROM LEVEL DENSITY 9747 1451 50 PARAMETERS) 9747 1451 51 RADIATIVE WIDTH = 0.026 EV /4/ 9747 1451 52 FISSION WIDTH = 0.013 EV (FROM THE RATIO OF CAPTURE 9747 1451 53 AND FISSION CROSS SECTIONS 9747 1451 54 AT THE THERMAL ENERGY) 9747 1451 55 SCATTERING RADIUS = 9.27 FM (CALCULATED WITH OPTICAL 9747 1451 56 MODEL) 9747 1451 57 9747 1451 58 NO UNRESOLVED RESONANCE PARAMETERS WERE GIVEN. 9747 1451 59 9747 1451 60 CALCULATED 2200 M/S CROSS SECTIONS AND RES. INTEGRAL 9747 1451 61 2200 M/S RES. INTEGRAL 9747 1451 62 TOTAL 288.2 B 9747 1451 63 ELASTIC 12.33 B 9747 1451 64 FISSION 91.96 B 453 B 9747 1451 65 CAPTURE 183.9 B 896 B 9747 1451 66 9747 1451 67 MF=3 NEUTRON CROSS SECTIONS 9747 1451 68 CROSS SECTIONS IN THE ENERGY RANGE BELOE 150 EV WERE 9747 1451 69 REPRESENTED WITH RESONANCE PARAMETERS. 9747 1451 70 9747 1451 71 MT=1 TOTAL CROSS SECTION 9747 1451 72 CASTHY /5/ CALCULATION WAS ADOPTED. 9747 1451 73 9747 1451 74 CASTHY CALCULATION 9747 1451 75 ------------------ 9747 1451 76 9747 1451 77 STATISTICAL MODEL CALCULATION WITH CASTHY CODE /5/ WAS 9747 1451 78 MADE CONSIDERING COMPETING PROCESSES OF FISSION, (N,2N) AND9747 1451 79 (N,3N). 9747 1451 80 9747 1451 81 SHERICAL OPTICAL POTENTIAL PARAMETERS /6/ 9747 1451 82 9747 1451 83 V = 45.036-0.3*EN (MEV) 9747 1451 84 WS= 4.115+0.4*EN (MEV) 9747 1451 85 WV= 0 , VSO = 7.5 (MEV) 9747 1451 86 R = RSO = 1.256 , RS = 1.260 (FM) 9747 1451 87 A = ASO = 0.626 , B = 0.555+0.0045*EN (FM) 9747 1451 88 9747 1451 89 9747 1451 90 THE LEVEL DENSITY PARAMETERS FOR GILBERT-CAMERON'S FORMULA 9747 1451 91 /7/ 9747 1451 92 ISOTOPE BK-247 BK-248 9747 1451 93 A(1/MEV) 28.1 27.8 9747 1451 94 SPIN-CUTOFF PARA. 30.47 30.39 9747 1451 95 PAIRING E(MEV) 0.39 0.0 9747 1451 96 TEMP. (MEV) 0.364 0.326 9747 1451 97 C(1/MEV) 2.9 10.8 9747 1451 98 EX(MEV) 7.97 1.85 9747 1451 99 9747 1451 100 THE LEVEL SCHEME TAKEN FROM REF. /8/. 9747 1451 101 NO. ENERGY(KEV) SPIN-PARITY 9747 1451 102 G.S. 0.0000 3/2 - 9747 1451 103 1. 29.900 5/2 - 9747 1451 104 2. 40.800 7/2 + 9747 1451 105 3. 71.600 7/2 - 9747 1451 106 4. 82.800 9/2 + 9747 1451 107 5. 125.50 9/2 - 9747 1451 108 6. 137.00 11/2 + 9747 1451 109 7. 196.00 13/2 + 9747 1451 110 8. 265.00 15/2 + 9747 1451 111 9. 334.90 5/2 + 9747 1451 112 10. 378.10 7/2 + 9747 1451 113 11. 447.80 5/2 - 9747 1451 114 12. 487.00 1/2 + 9747 1451 115 13. 489.40 7/2 - 9747 1451 116 14. 518.00 3/2 + 9747 1451 117 15. 541.00 9/2 - 9747 1451 118 16. 587.00 13/2 + 9747 1451 119 17. 704.00 1/2 - 9747 1451 120 18. 743.00 5/2 - 9747 1451 121 19. 815.00 7/2 - 9747 1451 122 20. 828.00 9/2 - 9747 1451 123 21. 904.00 9/2 - 9747 1451 124 CONTINUUM LEVELS ASSUMED ABOVE 983 KEV. 9747 1451 125 9747 1451 126 MT=2 ELASTIC SCATTRING 9747 1451 127 CALCULATED AS (TOTAL - SUM OF PARTIAL CROSS SECTIONS). 9747 1451 128 MT=4 TOTAL INELASTIC SCATTERING 9747 1451 129 SUM OF MT=51 TO 91. 9747 1451 130 MT=16,17,18 (N,2N), (N,3N), FISSION 9747 1451 131 STAPRE RESULTS CALCULATED BY KONSHIN /9/ WERE ADOPTED. 9747 1451 132 MT=51,53,55 (N,N') TO 1ST, 3RD AND 5TH LEVELS 9747 1451 133 CALCULATED WITH ECIS /10/ AND CASTHY /5/ CODES. 9747 1451 134 IN THE ECIS CALCULATION, CH.LAGRANGE'S DEFORMED OPTICAL 9747 1451 135 POTENTIAL PARAMETERS /11/ WERE USED. 9747 1451 136 V = 49.82 - 17*((N-Z)/A) - 0.3*EN (MEV) 9747 1451 137 WS = 5.52 - 9*((N-Z)/A)+ 0.4*EN (MEV), 0=