IAEA-NDS ENDF Download System, v-2008-07-22 0 0 0 0 1.10230E+4 2.27922E+1 0 0 1 01120 1451 1 0.0 0.0 0 0 0 01120 1451 2 0.0 0.0 0 0 106 51120 1451 3 11-Na- 23 3POLIBJ EVAL-FEB79 ADAMSKI, HERMAN AND MARCINKOWSKI 1120 1451 4 R,INR-1809,9,79 DIST- REV0- 811119 1120 1451 5 IDENTIFIER=INDL/V 6440 REV0 1120 1451 6 FORMAT= ENDF/B-5 1120 1451 7 ========================= For MT = 16 ========================= 1120 1451 8 1120 1451 9 HISTORY= 811116 CONVERTED BY IAEA-NDS TO ENDF/B-5 FORMAT. OS. 1120 1451 10 TEXT= 1120 1451 11 EVALUATION OF THE NA-23(N,2N)NA-22 REACTION FOR THE IRDF 1120 1451 12 THE EVALUATION IS BASED ON THE FOLLOWING EXPERIMENTS: 1120 1451 13 A) POINT MEASUREMENTS NEAR 14 MEV: 1120 1451 14 (1) PRESTWOOD, PR 98,47 (55) 1120 1451 15 (2) BARRALL+,AFWL-TR-68-134 (69) 1120 1451 16 (3) MASLOV+,YK,9,50,72 OR INDC(CCP)-42,10 1120 1451 17 (4) ARAMINOWICZ+,INR-1464/I/A,14 (73) 1120 1451 18 (5) SHANI, INIS-MF-3663,83 (76) 1120 1451 19 B) EXCITATION CURVES: 1120 1451 20 (6) LISKIEN+,NP,63,393 (65) AND A.PAULSEN,PRIV.COMM.TO CCDN(65)1120 1451 21 (7) MENLOVE+,PR,163,1299 AND 1308 (67) 1120 1451 22 (8) PICARD+,NP,63,673,65 1120 1451 23 (9) ADAMSKI+,INR-1809,9 (79) 1120 1451 24 ADJUSTMENTS TO EXPERIMENTAL DATA: 1120 1451 25 LISKIENS' EXCITATION CURVE (6) WAS RENORMALIZED BY A FACTOR OF 1120 1451 26 0.493 AFTER DISCUSSION WITH THE AUTHORS. 1120 1451 27 MENLOVE'S VALUE AT 16.52 MEV (7) WAS DISREGARDED BECAUSE OF IN- 1120 1451 28 CONSISTENCY BETWEEN TABLE AND GRAPH. 1120 1451 29 SOME OTHER DATA RENORMALIZED TO RECENT STANDARD CROSS SECTIONS 1120 1451 30 AND DECAY DATA. 1120 1451 31 THE EXPERIMENTAL DATA BASE WAS FITTED BY POLYNOMIALS BY LEAST 1120 1451 32 SQUARES CODE. THESE POLYNOMIALS WERE NEXT MATCHED BY A POLYNOMIAL1120 1451 33 P(E) = SUM(I=0,5) A(I)*E(I) WHICH PROVIDED RECOMMENDED CURVE. 1120 1451 34 1120 1451 35 IN THE ERROR ANALYSIS FIRST THE ONE-SIGMA CONFIDENCE LEVEL WAS 1120 1451 36 ESTABLISHED FOR ALL DATA SETS. SUBSEQUENTLY THE EXCITATION CURVE 1120 1451 37 WAS DEVIDED INTO 1 MEV ENERGY BINS STARTING WITH 13 MEV. IN EACH 1120 1451 38 ENERGY BIN THE WEIGHTED MEAN SQUARE DEVIATION WAS CALCULATED. 1120 1451 39 THE SQUARES OF THE MEAN SQUARE DEVIATIONS IN THE INDIVIDUAL BINS 1120 1451 40 HAVE BEEN COMPLEMENTED BY SUCCESSIVE ADDING OF THE SQUARES OF THE1120 1451 41 MEAN SQUARE DEVIATIONS CALCULATED OVER BROADER ENERGY RANGES IN 1120 1451 42 ORDER TO FORM THE DIAGONAL ELEMENTS OF THE COVARIANCE MATRIX. 1120 1451 43 THE OFF-DIAGONAL MATRIX ELEMENTS HAVE BEEN CONSTRUCTED OF THOSE 1120 1451 44 SQUARES TAKEN OVER THE BROADER ENERGY RANGES. THESE RANGES RE- 1120 1451 45 FLECT SIMILARITIES IN THE EXPERIMENTS WHICH ALLOW OF CORRELA- 1120 1451 46 TIONS. 1120 1451 47 ***************** PROGRAM LINEAR (VERSION 82-1) *****************1120 1451 48 DATA LINEARIZED USING A MAXIMUM ERROR OF 0.100 PER-CENT 1120 1451 49 ================================================================= 1120 1451 50 1120 1451 51 ==================== For MT = 103 and 107 ==================== 1120 1451 52 1120 1451 53 1.10230+ 4 2.27923+ 1 0 0 1 11120 1451 54 0.0 + 0 0.0 + 0 0 0 0 01120 1451 55 0.0 + 0 0.0 + 0 0 0 34 31120 1451 56 11-Na- 23 4CCPFEI EVAL-NOV78 V.M.BYCHKOV,K.I.ZOLOTAREV ET AL.1120 1451 57 YK-3,(42),60 ,8109 DIST-JAN81 820212 1120 1451 58 IDENTIFIER=INDL 1130 REV1 1120 1451 59 FORMAT= ENDF/B-5 1120 1451 60 HISTORY= 8106 RECEIVED AT IAEA IN INTERNAL FORMAT 1120 1451 61 820212 DATA WERE CONVERTED FROM INTERNAL FORMAT TO 1120 1451 62 ENDF/B-5 FORMAT BY NDS IAEA.APPROVED BY AUTHOR. VP. 1120 1451 63 TEXT= 1120 1451 64 11-NA-23(N,2N)11-NA-22 EN.REG. UP TO 20.MEV IN STEPS OF 100.KEV 1120 1451 65 11-NA-23(N,P)10-NE-23 EN.REG. UP TO 20.MEV IN STEPS OF 100.KEV 1120 1451 66 11-NA-23(N,A)9-F-20 EN.REG. UP TO 20.MEV IN STEPS OF 100.KEV 1120 1451 67 THESE EVALUATED DATA ARE KNOWN AS BOSPOR-80 LIBRARY(THE LIBRARY 1120 1451 68 OF THRESHOLD REACTION CROSS-SECTIONS OF THE NUCLEAR DATA CENTRE, 1120 1451 69 OBNINSK,USSR). 1120 1451 70 THE EVAL.DATA OF BOSPOR-80 LIBRARY WERE OBTAINED AS A RESULT 1120 1451 71 OF CRITICAL ANALYSIS OF ALL THE DATA FROM EXFOR LIBRARY AND 1120 1451 72 CINDA REFERENCES ON THE BASIS OF STATISTICAL AND 1120 1451 73 PRE-EQUILIBRIUM MODELS OF NUCLEAR REACTIONS. 1120 1451 74 FOR A COMPLETE DISCUSSION OF THE EVALUATION METHOD SEE JADERNYE 1120 1451 75 KONSTANTY,32(1),PAGE 105,1979 1120 1451 76 (ENGLISH TRANSLATION INDC(CCP)-147,JUNE 1980). 1120 1451 77 BELOW ARE GIVEN THE VALUES OF EVALUATED CROSS-SECTIONS 1120 1451 78 AVERAGED ON DIFFERENT TYPES OF U-235 NEUTRON FISSION SPECTRA 1120 1451 79 INDUCED BY THERMAL NEUTRONS (IN MBARNS) 1120 1451 80 THESE SPECTRUM AVERAGED VALUES WERE COMPUTED AT FEI AS GIVEN IN 1120 1451 81 YAD. KOSTANTY 3,(42),P.60,(1981) 1120 1451 82 | TYPE OF SPECTRUM (SEE ZIJP W.L.,IN PROC.OF SYMP.1120 1451 83 | ON NUCLEAR DATA IN SC. AND TECHN.,PARIS,1973, 1120 1451 84 REACTION | V.2,P.271,IAEA,VIENNA) 1120 1451 85 | WATT,B.E. |CRANBERG,L. | LEACHMAN,R. 1120 1451 86 -------------|-------------|---------------|------------------ 1120 1451 87 11-NA-23(N,2N)| 4.00E-03 | 3.15E-03 | 6.38-03 1120 1451 88 11-NA-23(N,P) | 1.39 | 1.31 | 1.36 1120 1451 89 11-NA-23(N,A) | 0.556 | 0.502 | 0.591 1120 1451 90 ================================================================= 1120 1451 91 ***************** Program LINEAR (VERSION 2002-1) ***************1120 1451 92 For All Data Greater than 1.0000E-10 barns in Absolute Value 1120 1451 93 Data Linearized to Within an Accuracy of .100000000 per-cent 1120 1451 94 ***************** Program FIXUP (Version 2002-1) ****************1120 1451 95 Corrected ZA/AWR in All Sections-----------------------------Yes 1120 1451 96 Corrected Thresholds-----------------------------------------Yes 1120 1451 97 Extended Cross Sections to 20 MeV----------------------------No 1120 1451 98 Allow Cross Section Deletion---------------------------------No 1120 1451 99 Allow Cross Section Reconstruction---------------------------No 1120 1451 100 Make All Cross Sections Non-Negative-------------------------Yes 1120 1451 101 Delete Energies Not in Ascending Order-----------------------Yes 1120 1451 102 Deleted Duplicate Points-------------------------------------Yes 1120 1451 103 Check for Ascending MAT/MF/MT Order--------------------------Yes 1120 1451 104 Check for Legal MF/MT Numbers--------------------------------Yes 1120 1451 105 Allow Creation of Missing Sections---------------------------No 1120 1451 106 Allow Insertion of Energy Points-----------------------------No 1120 1451 107 Create Uniform Energy Grid-----------------------------------No 1120 1451 108 Delete Section if Cross Section =0 at All Energies-----------Yes 1120 1451 109 1 451 114 01120 1451 110 3 16 11 01120 1451 111 3 103 25 11120 1451 112 3 107 18 11120 1451 113 33 16 11 01120 1451 114 1120 1 0 115 1120 0 0 116 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