ENTRY 30590 20090513 31363059000000001 SUBENT 30590001 20090513 31363059000100001 BIB 15 65 3059000100002 INSTITUTE (3HUNKOS) 3059000100003 (4RUSFEI) Last 3 authors 3059000100004 REFERENCE (C,80KIEV,1,236,198009) 3059000100005 (P,INDC(HUN)-18,9,198105) Abstract, No data given 3059000100006 (P,INDC(HUN)-17,47,198006) See COMMENT below 3059000100007 AUTHOR (P.Raics, S.Daroczy, S.Nagy, N.V.Kornilov, 3059000100008 B.V.Zhuravlev, O.A.Salnikov) 3059000100009 TITLE Experimental comparison of cross sections of the 3059000100010 Al-27(n,a), Fe-56(n,p), U-238(n,2n) and U-238(n,f) 3059000100011 reactions for neutrons of 6.5-10.5 MeV 3059000100012 FACILITY (VDGT,4RUSFEI) 3059000100013 INC-SOURCE (D-D) 3059000100014 SAMPLE Al: Foils, diam=19 mm, thick=26-48 mg/cm2 3059000100015 Fe: Foils, diam=19 mm, thick=95 mg/cm2 3059000100016 U: Disks, weight=1.9-2.8 g thick=1.0-1.7 mm, 3059000100017 Oxide, purity = 90.0 +/- 0.6 %, 3059000100018 Enrichment > 99.99% (U-238) 3059000100019 METHOD (ACTIV,GSPEC) 3059000100020 DETECTOR (GELI,FISCH) 3059000100021 CORRECTION Gamma spectra are corrected for 3059000100022 - Self-absorption of gamma rays; 3059000100023 - Pile-up and dead-time; 3059000100024 - Coincidence of casecade gammas; 3059000100025 Incident neutron flux is corrected for 3059000100026 - Background of (d,n) from target material; 3059000100027 - Decrease along sandwich thickness 3059000100028 - Flux variation in time (12% for Mn-56) 3059000100029 Real number of fission events are corrected for 3059000100030 - Losses in pulses due to discrimination threshold; 3059000100031 - Self-absorption in layer; 3059000100032 - Laboratory angular distribution of fragments; 3059000100033 --- Total correction: 2.5 +/- 1.0 % 3059000100034 ERR-ANALYS Uncertainty due to counting statistics, corrections 3059000100035 and decay data (totally 2%-3%) are given for reacton 3059000100036 rate data in Table 1. 3059000100037 COMMENT ===Compiler's note=== 3059000100038 Authors give elsewhere results as u-238(n,2n) cross 3059000100039 section relative to the 3 standard reactions 3059000100040 U-238(N,F),AL-27(N,A) AND FE-56(N,P). 3059000100041 See, e.g., INDC(HUN)-17,47, EXFOR 30561. 3059000100042 MISC-COL (MISC) Reaction rates for numerator reaction 3059000100043 (Measured twice at 7.50 and 8.99 MeV) 3059000100044 -------------------------------------------------3059000100045 En Reaction rate for (n,f) 3059000100046 (MeV) (/10**19 sec) 3059000100047 -------------------------------------------------3059000100048 6.54 +0.09-0.07 17.40 +/- 0.40 3059000100049 6.78 +0.08-0.06 15.58 +/- 0.36 3059000100050 7.00 +0.10-0.07 31.22 +/- 0.78 3059000100051 7.50 +0.10-0.07 33.96 +/- 0.88 3059000100052 37.89 +/- 0.87 3059000100053 7.99 +0.10-0.08 35.77 +/- 0.97 3059000100054 8.50 +0.10-0.08 39.27 +/- 1.02 3059000100055 8.99 +0.10-0.08 40.66 +/- 1.22 3059000100056 44.48 +/- 1.33 3059000100057 9.49 +0.08-0.08 25.81 +/- 0.98 3059000100058 10.00 +0.08-0.08 39.85 +/- 2.02 3059000100059 10.50 +0.08-0.08 45.23 +/- 2.89 3059000100060 -------------------------------------------------3059000100061 STATUS (TABLE) Cross section ratios calculated by compiler 3059000100062 from reaction rates (phi*sigma) in Table 1 of 3059000100063 C,80KIEV,1,236,1980 3059000100064 HISTORY (19810804C) OS. 3059000100065 (19811027A) OS. REFERENCE and COMMENT added. 3059000100066 (20090513A) On. BIB updated, MISC-COL added. 3059000100067 ENDBIB 65 0 3059000100068 NOCOMMON 0 0 3059000100069 ENDSUBENT 68 0 3059000199999 SUBENT 30590002 20090513 31363059000200001 BIB 3 3 3059000200002 REACTION ((92-U-238(N,2N)92-U-237,,SIG)/(92-U-238(N,F),,SIG)) 3059000200003 DECAY-DATA (92-U-237,6.75D,DG,208.,0.218) 3059000200004 HISTORY (20090513A) On. DATA recalculated and MISC added. 3059000200005 ENDBIB 3 0 3059000200006 NOCOMMON 0 0 3059000200007 DATA 6 12 3059000200008 EN +EN-ERR -EN-ERR DATA MISC MISC-ERR 3059000200009 MEV MEV MEV NO-DIM 1/SEC 1/SEC 3059000200010 6.54 0.09 0.07 9.052E-02 1.575E-19 0.065E-193059000200011 6.78 0.08 0.06 2.836E-01 4.419E-19 0.152E-193059000200012 7.00 0.10 0.07 4.488E-01 14.01E-19 0.45E-193059000200013 7.50 0.10 0.07 8.504E-01 28.88E-19 0.82E-193059000200014 7.50 0.10 0.07 8.609E-01 32.62E-19 0.93E-193059000200015 7.99 0.10 0.08 1.108E+00 39.63E-19 1.15E-193059000200016 8.50 0.10 0.08 1.248E+00 49.00E-19 1.37E-193059000200017 8.99 0.10 0.08 1.390E+00 56.50E-19 1.58E-193059000200018 8.99 0.10 0.08 1.369E+00 60.88E-19 1.70E-193059000200019 9.49 0.08 0.08 1.442E+00 37.21E-19 1.04E-193059000200020 10.00 0.08 0.08 1.446E+00 57.61E-19 1.61E-193059000200021 10.50 0.08 0.08 1.418E+00 64.15E-19 1.80E-193059000200022 ENDDATA 14 0 3059000200023 ENDSUBENT 22 0 3059000299999 SUBENT 30590003 20090513 31363059000300001 BIB 3 3 3059000300002 REACTION ((13-AL-27(N,A)11-NA-24,,SIG)/(92-U-238(N,F),,SIG)) 3059000300003 DECAY-DATA (11-NA-24,15.HR,DG,1368.53,1.) 3059000300004 HISTORY (20090513A) On. DATA recalculated and MISC added. 3059000300005 ENDBIB 3 0 3059000300006 NOCOMMON 0 0 3059000300007 DATA 6 11 3059000300008 EN +EN-ERR -EN-ERR DATA MISC MISC-ERR 3059000300009 MEV MEV MEV NO-DIM 1/SEC 1/SEC 3059000300010 6.54 0.09 0.07 8.707E-03 0.1515E-19 0.0038E-193059000300011 6.78 0.08 0.06 1.237E-02 0.1928E-19 0.0044E-193059000300012 7.50 0.10 0.07 2.682E-02 0.9107E-19 0.0292E-193059000300013 7.50 0.10 0.07 2.782E-02 1.054E-19 0.026E-193059000300014 7.99 0.10 0.08 4.193E-02 1.500E-19 0.042E-193059000300015 8.50 0.10 0.08 5.561E-02 2.184E-19 0.070E-193059000300016 8.99 0.10 0.08 7.164E-02 2.913E-19 0.073E-193059000300017 8.99 0.10 0.08 6.902E-02 3.070E-19 0.068E-193059000300018 9.49 0.08 0.08 8.671E-02 2.238E-19 0.045E-193059000300019 10.00 0.08 0.08 9.335E-02 3.720E-19 0.080E-193059000300020 10.50 0.08 0.08 9.147E-02 4.137E-19 0.087E-193059000300021 ENDDATA 13 0 3059000300022 ENDSUBENT 21 0 3059000399999 SUBENT 30590004 20090513 31363059000400001 BIB 3 3 3059000400002 REACTION ((26-FE-56(N,P)25-MN-56,,SIG)/(92-U-238(N,F),,SIG)) 3059000400003 DECAY-DATA (25-MN-56,2.5785HR,DG,846.76,0.989) 3059000400004 HISTORY (20090513A) On. DATA recalculated and MISC added. 3059000400005 ENDBIB 3 0 3059000400006 NOCOMMON 0 0 3059000400007 DATA 6 10 3059000400008 EN +EN-ERR -EN-ERR DATA MISC MISC-ERR 3059000400009 MEV MEV MEV NO-DIM 1/SEC 1/SEC 3059000400010 6.78 0.08 0.06 2.870E-02 0.4472E-19 0.0148E-193059000400011 7.00 0.10 0.07 3.229E-02 1.008E-19 0.025E-193059000400012 7.50 0.10 0.07 3.722E-02 1.264E-19 0.034E-193059000400013 7.50 0.10 0.07 3.711E-02 1.406E-19 0.035E-193059000400014 7.99 0.10 0.08 4.551E-02 1.628E-19 0.041E-193059000400015 8.50 0.10 0.08 5.271E-02 2.070E-19 0.052E-193059000400016 8.99 0.10 0.08 6.232E-02 2.534E-19 0.081E-193059000400017 8.99 0.10 0.08 6.210E-02 2.762E-19 0.069E-193059000400018 10.00 0.08 0.08 7.398E-02 2.948E-19 0.074E-193059000400019 10.50 0.08 0.08 7.800E-02 3.528E-19 0.088E-193059000400020 ENDDATA 12 0 3059000400021 ENDSUBENT 20 0 3059000499999 ENDENTRY 4 0 3059099999999