ENTRY 22871 20230518 231722871 0 1 SUBENT 22871001 20230518 231722871 1 1 BIB 14 54 22871 1 2 TITLE Measurement of thermal neutron cross section and 22871 1 3 resonance integral for 165Ho(n,gamma)166gHo reaction 22871 1 4 by the activation method 22871 1 5 AUTHOR (H.Yuecel, M.Karadag) 22871 1 6 INSTITUTE (2TUKANR) Experimental site 22871 1 7 (2TUKGZU) 22871 1 8 REFERENCE (J,ANE,32,1,2005) Main reference, data are given 22871 1 9 REL-REF (I,22861001,M.Karadag+,J,NIM/A,501,524,2003) Details 22871 1 10 of experiments. 22871 1 11 (I,22842001,M.Karadag+,J,ANE,31,1285,2004) 22871 1 12 Experim.details 22871 1 13 METHOD (ACTIV) 22871 1 14 (CADMB) Cadmium difference method for the neutron 22871 1 15 cut-off energy determination 22871 1 16 (SITA) 22871 1 17 DETECTOR (HPGE) Resolution 1.80 keV at 1332.5 keV g-energy of 22871 1 18 Co-60 and 0.97 keV for 122 keV of Co-57. Relative 22871 1 19 efficiency is 22.6%. Resolution of detector was 22871 1 20 determined using standard radionuclides of Cd-109, 22871 1 21 Co-57, Cr-51, Te-123m, Sn-113, Sr-85, Cs-137, 22871 1 22 Co-60 and Y-88 22871 1 23 INC-SOURCE (AM-BE) Three 592 GBq 241Am-Be isotopic neutron source 22871 1 24 immersed in paraffin moderator shielded with lead 22871 1 25 INC-SPECT Alpha-beryllium source was immersed in paraffin. 22871 1 26 Thermal neutron flux was (1.5+-0.2)E+4 and 22871 1 27 epithermal neutron flux was (1.4+-0.1)E+3 n/cm2/sec. 22871 1 28 Each irradiations were performed with and without 22871 1 29 cadmium shield 22871 1 30 DECAY-DATA (67-HO-166-G,26.763HR,DG,80.547,0.0671) 22871 1 31 SAMPLE Manganese Mn-O2 and Holmium Ho2-O3 oxide powders were 22871 1 32 diluted with the finely grained Al2-O3 powder by 22871 1 33 98.8 - 96.6%. Each sample was filled in polystyrene 22871 1 34 cylindrical tube (height/diam = aprx 2, walls 1 mm 22871 1 35 thick, internal diameter 5.0 mm) and irradiated with 22871 1 36 and without cylindrical cadmium shield case 22871 1 37 CORRECTION Corrections for background were made with the help of 22871 1 38 irradiating a bare cadmium case, for self-shielding - 22871 1 39 with the help of procedure given in J,ANE,31,1285 22871 1 40 Following information is used for calculation thermal 22871 1 41 neutron self-shielding correction factor: 22871 1 42 Element Atomic weight, Microscopic cross-sections (b)22871 1 43 M (g/mol) --------------------------- 22871 1 44 Absorption, Scattering, Total 22871 1 45 8-O 15.9994 1.9/10**4 3.78 3.78 22871 1 46 13Al 26.9815 0.231 1.41 1.64 22871 1 47 25Mn 54.9380 13.41 2.17 15.58 22871 1 48 67Ho 164.930 65. 10.8 75.8 22871 1 49 ERR-ANALYS (ERR-EDD) Error of energy value for Ho-166g 22871 1 50 given under DECAY-DATA 22871 1 51 HISTORY (20050615C) HH/SM 22871 1 52 (20130111A) SD: INC-SOURCE was corrected. ASSUMED, 22871 1 53 MISC-COL were deleted; information moved to CORRECTION.22871 1 54 Small corrections in all Subents. 22871 1 55 (20230518A) SD: Correction in Subent 002. 22871 1 56 ENDBIB 54 0 22871 1 57 COMMON 1 3 22871 1 58 ERR-EDD 22871 1 59 KEV 22871 1 60 0.008 22871 1 61 ENDCOMMON 3 0 22871 1 62 ENDSUBENT 61 0 22871 199999 SUBENT 22871002 20230518 231722871 2 1 BIB 8 43 22871 2 2 REACTION (67-HO-165(N,G)67-HO-166-G,,SIG,,MXW) 22871 2 3 MONITOR (25-MN-55(N,G)25-MN-56,,SIG) 22871 2 4 MONIT-REF (,V.McLane+,R,BNL-NCS-44945,2001) Nuclear data file 22871 2 5 ENDF/B-VI 22871 2 6 DECAY-MON (25-MN-56,2.5789HR,DG,846.75,0.983) 22871 2 7 REL-REF (A,,L.Seren+,J,PR,72,888,1947) 22871 2 8 (A,,F.De Corte+,J,JRN,257,493,2003) 22871 2 9 (A,,R.L.Zimmerman+,J,NP/A,95,683,1967) 22871 2 10 (A,,F.De Corte+,J,JRN,133,43,1989) 22871 2 11 (D,,Y.Danon+,J,NSE,128,61,1998) 22871 2 12 (D,,V.McLane+,R,BNL-NCS-44945,2001) 22871 2 13 (D,,E.Steinnes,J,JIN,34,2699,1972) 22871 2 14 (D,,B.Keisch+,R,WASH-1041,36,1962) 22871 2 15 (D,,H.Pomerance,J,PR,83,641,1951) Difference by 8-13%. 22871 2 16 ERR-ANALYS (ERR-SYS) Total systematic error of Ho-165(N,G) as the 22871 2 17 square root of the quadratic sum of all its 22871 2 18 constituents 22871 2 19 (ERR-S) Statistical error for 1.65*(dispersion) 22871 2 20 confidence level for Ho-165 22871 2 21 (ERR-1) Error of detection efficiency for Ho-165 22871 2 22 (ERR-2) Error of the sample mass for Ho-165 22871 2 23 (ERR-3) Error of the Ho-166g 22871 2 24 gamma-ray emission probability 22871 2 25 (ERR-4) Error of the Ho-165 thermal neutron self- 22871 2 26 shielding factor 22871 2 27 (ERR-5) Error of the Ho-165 cadmium transmission 22871 2 28 factor 22871 2 29 (ERR-6) Statistical error for 1.65*(dispersion) 22871 2 30 confidence level for 55-Mn 22871 2 31 (ERR-7) Error of detection efficiency for 55-Mn 22871 2 32 (ERR-8) Error of the sample mass for 55-Mn 22871 2 33 (ERR-9) Error of the 56-Mn half-life 22871 2 34 (ERR-10) Error of the Mn-56 gamma-ray emission 22871 2 35 probability 22871 2 36 (ERR-11) Error of the 55Mn thermal neutron self- 22871 2 37 shielding factor 22871 2 38 (ERR-12) Total Monitor systematic error 22871 2 39 for Mn-55 22871 2 40 (MONIT-ERR) Total error of the reference sigma 22871 2 41 (ERR-T) Total error 22871 2 42 STATUS (TABLE) From table 5 of Ann.Nucl.En.,32,1,2005 22871 2 43 HISTORY (20230518A) SD: Value of MONIT-ERR deleted from DATA 22871 2 44 section. 22871 2 45 ENDBIB 43 0 22871 2 46 COMMON 15 9 22871 2 47 ERR-SYS ERR-S ERR-1 ERR-2 ERR-3 ERR-4 22871 2 48 ERR-5 ERR-6 ERR-7 ERR-8 ERR-9 ERR-10 22871 2 49 ERR-11 ERR-12 MONIT-ERR 22871 2 50 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 22871 2 51 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 22871 2 52 PER-CENT PER-CENT PER-CENT 22871 2 53 3.01 0.56 2.51 0.01 1.19 0.1 22871 2 54 1.0 0.39 2.75 0.01 0.004 0.3022871 2 55 0.01 2.89 0.75 22871 2 56 ENDCOMMON 9 0 22871 2 57 DATA 4 1 22871 2 58 EN-DUMMY DATA ERR-T MONIT 22871 2 59 EV B B B 22871 2 60 0.0253 59.2 2.5 13.3 22871 2 61 ENDDATA 3 0 22871 2 62 ENDSUBENT 61 0 22871 299999 SUBENT 22871003 20130111 22342287100300001 BIB 7 34 2287100300002 REACTION (67-HO-165(N,G)67-HO-166-G,,RI) 2287100300003 MONITOR (25-MN-55(N,G)25-MN-56,,RI) 2287100300004 DECAY-MON (25-MN-56,2.5789HR,DG,846.75,0.983) 2287100300005 MONIT-REF (,V.McLane+,R,BNL-NCS-44945,2001) Nuclear data file 2287100300006 ENDF/B-VI 2287100300007 REL-REF (A,,S.I.Kafala+,J,JRN,215,193,1997) 2287100300008 (A,,A.Simonits+,J,JRN,81,397,1984) 2287100300009 (D,,T.B.Ryves+,J,JP/A,7,2318,1974) 2287100300010 (D,,R.E.Heft,C,78MAYAG,,495,1978) also JEF-2.2 (1997) 2287100300011 by 7-13% 2287100300012 ERR-ANALYS (ERR-SYS) Total error as the square root of the 2287100300013 quadratic sum for Ho-165 of all its constituents 2287100300014 (ERR-1) Error of cadmium ratio for Ho-165 2287100300015 (ERR-2) Error of the epithermal neutron self-shielding2287100300016 factor for Ho-165 2287100300017 (ERR-3) Error of the Ho-165 thermal neutron self- 2287100300018 shielding factor 2287100300019 (ERR-4) Error of the Ho-165 reference thermal neutrons2287100300020 cross section 2287100300021 (ERR-5) Error of the Ho-165 cadmium correction factor 2287100300022 (ERR-6) Error of the Ho-165 alfa-shape parameter 2287100300023 .Further - Mn55 errors 2287100300024 (ERR-7) Error of cadmium ratio for 55-Mn 2287100300025 (ERR-8) Error of the epithermal neutron self-shielding2287100300026 factor for 55-Mn 2287100300027 (ERR-9) Error of the thermal neutron self-shielding 2287100300028 factor for 55-Mn 2287100300029 (ERR-10) Error of the 55Mn thermal neutron cross-sectn.2287100300030 (ERR-11) Error of the 55-Mn monitor resonance integral 2287100300031 (ERR-12) Error of the epithermal neutrons energy- 2287100300032 dependence shape parameter 2287100300033 (ERR-13) Total systematic error of the reference 2287100300034 resonance integral 2287100300035 STATUS (TABLE) .From table 5 of ANE,32,1,2005 2287100300036 ENDBIB 34 0 2287100300037 COMMON 14 9 2287100300038 ERR-SYS ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 2287100300039 ERR-6 ERR-7 ERR-8 ERR-9 ERR-10 ERR-11 2287100300040 ERR-12 ERR-13 2287100300041 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2287100300042 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2287100300043 PER-CENT PER-CENT 2287100300044 4.47 1.50 1.5 0.1 1.31 1. 2287100300045 3.57 1.60 0.20 0.01 0.75 2.14 2287100300046 4.43 5.23 2287100300047 ENDCOMMON 9 0 2287100300048 DATA 5 1 2287100300049 EN-MIN DATA ERR-T MONIT MONIT-ERR 2287100300050 EV B B B B 2287100300051 0.55 667. 46. 14. 0.3 2287100300052 ENDDATA 3 0 2287100300053 ENDSUBENT 52 0 2287100399999 ENDENTRY 3 0 2287199999999