ENTRY 30993 20240216 3099300000001 SUBENT 30993001 20240216 20240513 3099300100001 BIB 14 56 3099300100002 TITLE Absolute measurement of cross sections of 3099300100003 27Al(n,a)24Na and 56Fe(n,p)56Mn at En=14.6 MeV 3099300100004 AUTHOR (Bao Zongyu, Rong Chaofan, Yang Xiaoyun, Zhang Shuping,3099300100005 Ding Shengyao, Yu Yiguan) 3099300100006 INSTITUTE (3CPRAEP) 3099300100007 REFERENCE (J,CNP,15,341,1993) 3099300100008 (C,91JUELIC,,526,1991) Same data 3099300100009 (C,91BEIJIN,,236,1991) Same data 3099300100010 FACILITY (CCW,3CPRAEP) CIAE 600 kV Cockroft-Walton generator 3099300100011 INC-SOURCE (D-T) 0.5 mg/cm2 thick T-Ti target on a Mo backing 3099300100012 with 200 keV deuterons. 3099300100013 SAMPLE Al and Fe samples, 0.2 mm thick, purity 99.99% held by 3099300100014 circles of very thin Cu wire placed 80-130 cm from 3099300100015 the Ti-T target 3099300100016 INC-SPECT The neutron energy at the position of the samples was 3099300100017 obtained with a Monte Carlo calculation considering 3099300100018 the thickness and the size of both the target spot 3099300100019 and the sample. 3099300100020 METHOD (ACTIV,BGCT) 3099300100021 (ASSOP) D(t,n)4He alpha detection 3099300100022 DETECTOR (NAICR,PROPC) 4pi-beta-gamma coincidence device 3099300100023 consisting of a methane gas flow proportional beta 3099300100024 counter positioned between two NaI(Tl) scintillator 3099300100025 gamma counters 3099300100026 (SIBAR) Au-Si surface barrier detector for associated 3099300100027 alpha detection 3099300100028 CORRECTION Corrected for 3099300100029 - room background (0.8-1.3%)3099300100030 - charged particles from D(d,n)3He and D(d,p)T (<0.2%)3099300100031 - sample self-absorption (0.1% for Al, 0.2% for Fe) 3099300100032 - Neutron attenuation in Ti-T target assembly 3099300100033 1.1% (cooled by water) or 0.5% (cooled by air jet) 3099300100034 - Neutron scattering in Ti-T target assembly 3099300100035 0.5% (cooled by water) or <0.1% (cooled by air jet)3099300100036 - alpha particle detection dead time (0.4-0.7%)3099300100037 - 57Fe(n,x)56Mn reaction (0.2%)3099300100038 ERR-ANALYS (ERR-T) Mainly due to 3099300100039 (ERR-1) solid angle of alpha counter 3099300100040 (ERR-2) background correction for alpha-particle 3099300100041 (ERR-3) anisotropy of neutron beam 3099300100042 (ERR-4) solid angle of sample 3099300100043 (ERR-5) room background correction 3099300100044 (ERR-6) absorption correction of target assembly 3099300100045 (ERR-7) scattering correction of target assembly 3099300100046 (ERR-8) absorption and scattering of sample frame 3099300100047 (ERR-9) self-absorption and scattering of sample 3099300100048 (ERR-10) neutron energy 3099300100049 (ERR-11) beta-efficiency extrapolation 3099300100050 STATUS (TABLE,,Bao Zongyu+,C,91JUELIC,,526,1991) Text (p.527) 3099300100051 HISTORY (19920727C) HW 3099300100052 (19921015U) HW.- Reference added in subentry 001. 3099300100053 (19930825U) HW.- Free text under 'correction' altered. 3099300100054 (19940318U) HW.-New reference added, new information 3099300100055 entered in subent 001.- 3099300100056 (20090912U) SD: Updated to new date formats, lower case3099300100057 (20240216U) LV. AUTHOR corrected. 3099300100058 ENDBIB 56 0 3099300100059 COMMON 13 9 3099300100060 EN EN-ERR ERR-S ERR-1 ERR-2 ERR-3 3099300100061 ERR-4 ERR-5 ERR-6 ERR-7 ERR-8 ERR-10 3099300100062 ERR-11 3099300100063 MEV MEV PER-CENT PER-CENT PER-CENT PER-CENT 3099300100064 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3099300100065 PER-CENT 3099300100066 14.57 0.02 0.3 0.1 0.2 0.3 3099300100067 1.0 0.1 0.4 0.2 0.2 0.3 3099300100068 0.1 3099300100069 ENDCOMMON 9 0 3099300100070 ENDSUBENT 69 0 3099300199999 SUBENT 30993002 20090919 31413099300200001 BIB 2 2 3099300200002 REACTION (13-AL-27(N,A)11-NA-24,,SIG) 3099300200003 DECAY-DATA (11-NA-24,14.959HR,DG,2754.,,B-) 3099300200004 ENDBIB 2 0 3099300200005 NOCOMMON 0 0 3099300200006 DATA 3 1 3099300200007 DATA ERR-T ERR-9 3099300200008 MB MB PER-CENT 3099300200009 113.2 1.5 0.1 3099300200010 ENDDATA 3 0 3099300200011 ENDSUBENT 10 0 3099300299999 SUBENT 30993003 20090919 31413099300300001 BIB 3 3 3099300300002 REACTION (26-FE-56(N,P)25-MN-56,,SIG) 3099300300003 DECAY-DATA (25-MN-56,2.5785HR,DG,846.7,,B-) 3099300300004 ERR-ANALYS (ERR-12)Interference of other isotopes 3099300300005 ENDBIB 3 0 3099300300006 NOCOMMON 0 0 3099300300007 DATA 4 1 3099300300008 DATA ERR-T ERR-9 ERR-12 3099300300009 MB MB PER-CENT PER-CENT 3099300300010 111.4 1.5 0.2 0.1 3099300300011 ENDDATA 3 0 3099300300012 ENDSUBENT 11 0 3099300399999 ENDENTRY 3 0 3099399999999