ENTRY 31716 20141212 31673171600000001 SUBENT 31716001 20141212 31673171600100001 BIB 13 36 3171600100002 TITLE Measurement of thermal neutron and resonance integral 3171600100003 cross sections of the reaction 51V(n,gamma)52V using 3171600100004 a 20 Ci Am-Be isotopic neutron source 3171600100005 AUTHOR (S.E.Agbemava,B.J.B.Nyarko,J.J.Fletcher, 3171600100006 R.B.M.Sogbadji, E.Mensimah,M.Asamoah) 3171600100007 INSTITUTE (3GHALGN) 3171600100008 REFERENCE (J,ANE,38,1616,2011) Main reference 3171600100009 (R,INDC(NDS)-0574,72,2010) Data for V, I, Sm and U-238 3171600100010 INC-SOURCE (AM-BE)20 Ci 241Am-Be isotopic neutron source, 3171600100011 moderated with water. 3171600100012 SAMPLE (23-V-51,NAT=0.9975) 10 ppm standard solution of 3171600100013 vanadium, and the comparator isotope Mn-55 as also 3171600100014 contained in a 10 ppm standard solution of manganese. 3171600100015 The certified concentration of manganese in the 3171600100016 manganese standard solution was 10.01 +/- 0.03 mg/g 3171600100017 and that of vanadium was 4.86 +/- 0.02 mg/g in the 3171600100018 vanadium standard solution. 3171600100019 INC-SPECT The extent of non-ideality of epithermal flux shape, 3171600100020 alpha-factor at the sample irradiation position was 3171600100021 experimentally determined to be 0.134 +/- 0.01 by 3171600100022 dual monitor method using 197Au and 95Zr. The thermal 3171600100023 neutron flux is (1.46+/-0.01)x10**4 n/cm**2/s and the 3171600100024 epithermal neutron flux is 3171600100025 (7.23+/-0.02)x10**2 n/cm**2/s. 3171600100026 DETECTOR (HPGE) Induced radioactivity in the samples were 3171600100027 counted by HPGe coaxial detector, which has a 3171600100028 relative efficiency of 25%. 3171600100029 METHOD (MOMIX,CADMB,ACTIV) 3171600100030 DECAY-MON (25-MN-56,2.58HR,DG,846.8,0.989) 3171600100031 MONIT-REF (,De Corte+,C,88MITO,,583,1988) 3171600100032 HISTORY (20111024C) 3171600100033 (20141212A) VS. MONITOR 001->002 and corrected in 003 3171600100034 BIB minor corrections. 3171600100035 STATUS (TABLE) Data were taken from TABLE 3 3171600100036 in the J,ANE,38,1616,2011. 3171600100037 (APRVD) Approved by Dr. S.E.Agbemava, 19 Nov. 2011 3171600100038 ENDBIB 36 0 3171600100039 NOCOMMON 0 0 3 3171600100040 ENDSUBENT 39 0 3171600199999 SUBENT 31716002 20141212 31673171600200001 BIB 5 20 3171600200002 REACTION (23-V-51(N,G)23-V-52,,SIG) 3171600200003 DECAY-DATA (23-V-52,3.75MIN,DG,1434.0,1.) 3171600200004 MONITOR (25-MN-55(N,G)25-MN-56,,SIG) 3171600200005 ERR-ANALYS (ERR-T) Total uncertainty of the reported value. 3171600200006 Total experimental uncertainty (3.23%) 3171600200007 (ERR-S) Statistical uncertainty (2.2%). 3171600200008 (ERR-1) Detector efficiency (2.23%) 3171600200009 (ERR-2) Mass of the sample (V) (0.02%) 3171600200010 (ERR-3) Gamma-ray emission probability (0.8%) 3171600200011 (ERR-4) Thermal neutron self-shielding factor (0.01%) 3171600200012 (ERR-5) Total experimental uncertainty due to 3171600200013 normalization to 25-MN-55(N,G)25-MN-56 thermal 3171600200014 neutron cross section 1.81%. 3171600200015 Partial uncertainties of normalization: 3171600200016 - Statistical uncertainty (1.35%) 3171600200017 - Detector efficiency (1.17%) 3171600200018 - Mass of the sample (Mn) (0.02%) 3171600200019 - Gamma-ray emission probability (0.3%) 3171600200020 - Thermal neutron self-shielding factor (0.01%)3171600200021 HISTORY (20141212A) VS. MONITOR 001->002 3171600200022 ENDBIB 20 0 3171600200023 NOCOMMON 0 0 3171600200024 DATA 10 1 3171600200025 EN DATA ERR-T MONIT ERR-S ERR-1 3171600200026 ERR-2 ERR-3 ERR-4 ERR-5 3171600200027 EV B B B PER-CENT PER-CENT 3171600200028 PER-CENT PER-CENT PER-CENT PER-CENT 3171600200029 0.0253 5.15 0.19 13.2 2.2 2.23 3171600200030 0.02 0.8 0.01 1.81 3171600200031 ENDDATA 6 0 3171600200032 ENDSUBENT 31 0 3171600299999 SUBENT 31716003 20141212 31673171600300001 BIB 5 26 3171600300002 REACTION (23-V-51(N,G)23-V-52,,RI) 3171600300003 DECAY-DATA (23-V-52,3.75MIN,DG,1434.0,1.0) 3171600300004 MONITOR (25-MN-55(N,G)25-MN-56,,RI) 3171600300005 ERR-ANALYS (ERR-T) Total uncertainty of the reported value. 3171600300006 Total experimental uncertainty (4.01%) 3171600300007 (ERR-S) Statistical uncertainty (2.2%) 3171600300008 (ERR-1) Detector efficiency (2.23%) 3171600300009 (ERR-2) Mass of the sample (V) (0.02%) 3171600300010 (ERR-3) Gamma-ray emission probability (0.8%) 3171600300011 (ERR-4) Thermal neutron self-shielding factor (0.01%) 3171600300012 (ERR-5) Alpha-shape parameter studied reaction (2.13%) 3171600300013 (ERR-6) Effective resonance energy of 51V (1.02%) 3171600300014 (ERR-7) Epithermal neutron self-shielding fact. (0.1%) 3171600300015 (ERR-8) Total experimental uncertainty due to 3171600300016 normalization to 25-MN-55(N,G)25-MN-56 3171600300017 resonance integral (2.91%). 3171600300018 Partial uncertainties of normalization: 3171600300019 - Statistical uncertainty (1.35%) 3171600300020 - Detector efficiency (1.17%) 3171600300021 - Mass of the sample (Mn) (0.02%) 3171600300022 - Gamma-ray emission probability (0.3%) 3171600300023 - Thermal neutron self-shielding factor (0.01%) 3171600300024 - Alpha-shape parameter (2.13%) 3171600300025 - Effective resonance energy of 55Mn (0.79%) 3171600300026 - Epithermal neutron self-shielding fact. (0.1%)3171600300027 HISTORY (20141212A) VS. MONITOR corrected 3171600300028 ENDBIB 26 0 3171600300029 NOCOMMON 0 09 3171600300030 DATA 13 1 3171600300031 EN-MIN DATA ERR-T MONIT ERR-S ERR-1 3171600300032 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 ERR-7 3171600300033 ERR-8 3171600300034 EV B B B PER-CENT PER-CENT 3171600300035 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3171600300036 PER-CENT 3171600300037 0.55 2.53 0.1 13.9 2.2 2.233171600300038 0.02 0.8 0.01 2.13 1.02 0.13171600300039 2.91 3171600300040 ENDDATA 9 0 3171600300041 ENDSUBENT 40 0 3171600399999 ENDENTRY 3 0 3171699999999