ENTRY 32650 20120502 31553265000000001 SUBENT 32650001 20120502 31553265000100001 BIB 13 36 3265000100002 TITLE Differential cross section measurement for the 3265000100003 10B(n,a)7Li reaction 3265000100004 AUTHOR (Guohui Zhang, Guoyou Tang, Jinxiang Chen, 3265000100005 Songbai Zhang, Zhaomin Shi, Jing Yuan, Zemin Chen, 3265000100006 Yu.M.Gledenov, M.Sedysheva, G.Khuukenkhuu) 3265000100007 INSTITUTE (3CPRBJG,3CPRTSI,4ZZZDUB) 3265000100008 REFERENCE (J,NSE,142,203,2002) 3265000100009 (J,NTC,26,804,2003) Guoyou Tang+, prelim. data given 3265000100010 (J,CNDP,25,1,200106) Guoyou Tang+, prelim. data given 3265000100011 FACILITY (VDG,3CPRBJG) 4.5 MV Van de Graaff 3265000100012 INC-SOURCE (D-D) 3265000100013 SAMPLE (5-B-10,ENR=0.999) 3265000100014 Two samples were used with masses of 1.78 mg 3265000100015 (thickness 0.186 mg/cm2) and 1.84 mg (thickness 0.192 3265000100016 mg/cm2), respectively. 3265000100017 DETECTOR (IOCH) A gridded ionization chamber used for triton 3265000100018 particles detection. 3265000100019 PART-DET (A) 3265000100020 MONITOR Absolute, a U-238 fission foil (99.999% in purity, 3265000100021 7.85+-0.10 mg in weight, 4.50 cm in diameter) was 3265000100022 also set on the sample changer for neutron flux 3265000100023 measurement. 3265000100024 ERR-ANALYS (ERR-T) Total uncertainty (7.0-11.0%) 3265000100025 The main uncertainties of the result are as follows: 3265000100026 (ERR-1) Atom number of U-238 in fission foil (1.3%) 3265000100027 (ERR-2) Atom number of B-10 in B-10 samples (2.0%) 3265000100028 (ERR-3) Normalization in background and Li-7 3265000100029 subtraction and in neutron flux determination (3.5%) 3265000100030 (ERR-4,4.0,7.5) alpha counting statistics (4.0-7.5%) 3265000100031 (ERR-5,0.5,2.5) 0- and 90-deg line (0.5-2.5%) 3265000100032 (ERR-6,2.5,4.0) 238U(n,f) cross section (2.5-4.0%) 3265000100033 (ERR-7,1.5,2.5) fission count determination (1.5-2.5%) 3265000100034 STATUS (TABLE) Table I and III of Nucl.Sci.Eng.142(2002)203 3265000100035 HISTORY (20030221C) Compiled by Youxiang Zhuang 3265000100036 (20090519A) On. ERR-1 to ERR-3 added 3265000100037 (20120502A) On. ERR-ANALYS: ERR-4 to ERR-7 added 3265000100038 ENDBIB 36 0 3265000100039 COMMON 3 3 3265000100040 ERR-1 ERR-2 ERR-3 3265000100041 PER-CENT PER-CENT PER-CENT 3265000100042 1.3 2.0 3.5 3265000100043 ENDCOMMON 3 0 3265000100044 ENDSUBENT 43 0 3265000199999 SUBENT 32650002 20090519 31383265000200001 BIB 4 7 3265000200002 REACTION (5-B-10(N,A)3-LI-7,,SIG) 3265000200003 ANALYSIS (INTAD) Legendre fit and integration 3265000200004 STATUS (DEP,32650003) Angular distribution at 4.17 MeV 3265000200005 (DEP,32650004) Angular distribution at 5.02 MeV 3265000200006 (DEP,32650005) Angular distribution at 5.74 MeV 3265000200007 (DEP,32650006) Angular distribution at 6.52 MeV 3265000200008 HISTORY (20090519A) On. METHOD added and STATUS revised 3265000200009 ENDBIB 7 0 3265000200010 NOCOMMON 0 0 3265000200011 DATA 4 4 3265000200012 EN EN-ERR DATA ERR-T 3265000200013 MEV MEV MB MB 3265000200014 4.17 0.36 68.2 6.5 3265000200015 5.02 0.27 50.3 4.7 3265000200016 5.74 0.21 48.6 5.3 3265000200017 6.52 0.16 54.6 6.0 3265000200018 ENDDATA 6 0 3265000200019 ENDSUBENT 18 0 3265000299999 SUBENT 32650003 20030221 00003265000300001 BIB 1 1 3265000300002 REACTION (5-B-10(N,A)3-LI-7,,DA) 3265000300003 ENDBIB 1 0 3265000300004 COMMON 2 3 3265000300005 EN EN-ERR 3265000300006 MEV MEV 3265000300007 4.17 0.36 3265000300008 ENDCOMMON 3 0 3265000300009 DATA 3 13 3265000300010 COS-CM DATA-CM ERR-T 3265000300011 NO-DIM MB/SR MB/SR 3265000300012 -0.931 8.30 0.66 3265000300013 -0.860 8.13 0.61 3265000300014 -0.786 8.25 0.58 3265000300015 -0.709 7.91 0.55 3265000300016 -0.629 5.68 0.47 3265000300017 -0.546 4.92 0.42 3265000300018 -0.459 3.79 0.38 3265000300019 0.243 4.87 0.49 3265000300020 0.359 5.63 0.48 3265000300021 0.479 7.32 0.59 3265000300022 0.602 7.27 0.42 3265000300023 0.731 7.47 0.60 3265000300024 0.863 7.52 0.64 3265000300025 ENDDATA 15 0 3265000300026 ENDSUBENT 25 0 3265000399999 SUBENT 32650004 20030221 00003265000400001 BIB 1 1 3265000400002 REACTION (5-B-10(N,A)3-LI-7,,DA) 3265000400003 ENDBIB 1 0 3265000400004 COMMON 2 3 3265000400005 EN EN-ERR 3265000400006 MEV MEV 3265000400007 5.02 0.27 3265000400008 ENDCOMMON 3 0 3265000400009 DATA 3 15 3265000400010 COS-CM DATA-CM ERR-T 3265000400011 NO-DIM MB/SR MB/SR 3265000400012 -0.933 5.54 0.48 3265000400013 -0.863 4.96 0.42 3265000400014 -0.790 5.77 0.46 3265000400015 -0.714 6.17 0.49 3265000400016 -0.634 5.08 0.43 3265000400017 -0.552 4.51 0.39 3265000400018 -0.466 3.51 0.33 3265000400019 -0.377 2.34 0.25 3265000400020 0.124 2.69 0.28 3265000400021 0.236 2.98 0.29 3265000400022 0.352 4.21 0.37 3265000400023 0.473 4.79 0.41 3265000400024 0.598 5.43 0.46 3265000400025 0.727 5.07 0.43 3265000400026 0.861 5.28 0.47 3265000400027 ENDDATA 17 0 3265000400028 ENDSUBENT 27 0 3265000499999 SUBENT 32650005 20030221 00003265000500001 BIB 1 1 3265000500002 REACTION (5-B-10(N,A)3-LI-7,,DA) 3265000500003 ENDBIB 1 0 3265000500004 COMMON 2 3 3265000500005 EN EN-ERR 3265000500006 MEV MEV 3265000500007 5.74 0.21 3265000500008 ENDCOMMON 3 0 3265000500009 DATA 3 14 3265000500010 COS-CM DATA-CM ERR-T 3265000500011 NO-DIM MB/SR MB/SR 3265000500012 -0.933 6.59 0.63 3265000500013 -0.864 6.15 0.57 3265000500014 -0.792 6.71 0.60 3265000500015 -0.716 6.90 0.62 3265000500016 -0.638 7.03 0.61 3265000500017 -0.556 5.62 0.53 3265000500018 -0.470 4.01 0.40 3265000500019 -0.381 2.39 0.27 3265000500020 0.232 3.09 0.35 3265000500021 0.348 3.83 0.38 3265000500022 0.469 4.11 0.41 3265000500023 0.595 3.97 0.39 3265000500024 0.725 4.05 0.41 3265000500025 0.860 4.13 0.45 3265000500026 ENDDATA 16 0 3265000500027 ENDSUBENT 26 0 3265000599999 SUBENT 32650006 20030221 00003265000600001 BIB 1 1 3265000600002 REACTION (5-B-10(N,A)3-LI-7,,DA) 3265000600003 ENDBIB 1 0 3265000600004 COMMON 2 3 3265000600005 EN EN-ERR 3265000600006 MEV MEV 3265000600007 6.52 0.16 3265000600008 ENDCOMMON 3 0 3265000600009 DATA 3 15 3265000600010 COS-CM DATA-CM ERR-T 3265000600011 NO-DIM MB/SR MB/SR 3265000600012 -0.934 10.19 0.92 3265000600013 -0.865 10.13 0.87 3265000600014 -0.792 9.39 0.83 3265000600015 -0.717 8.10 0.75 3265000600016 -0.639 7.23 0.69 3265000600017 -0.557 5.68 0.57 3265000600018 -0.472 3.83 0.44 3265000600019 -0.383 2.04 0.25 3265000600020 0.118 2.57 0.30 3265000600021 0.230 3.07 0.35 3265000600022 0.347 3.56 0.41 3265000600023 0.468 3.67 0.41 3265000600024 0.594 3.32 0.38 3265000600025 0.725 3.68 0.42 3265000600026 0.860 4.19 0.47 3265000600027 ENDDATA 17 0 3265000600028 ENDSUBENT 27 0 3265000699999 ENDENTRY 6 0 3265099999999