ENTRY 22871 20230518 2287100000001 SUBENT 22871001 20230518 20231011 2287100100001 BIB 14 54 2287100100002 TITLE Measurement of thermal neutron cross section and 2287100100003 resonance integral for 165Ho(n,gamma)166gHo reaction 2287100100004 by the activation method 2287100100005 AUTHOR (H.Yuecel, M.Karadag) 2287100100006 INSTITUTE (2TUKANR) Experimental site 2287100100007 (2TUKGZU) 2287100100008 REFERENCE (J,ANE,32,1,2005) Main reference, data are given 2287100100009 REL-REF (I,22861001,M.Karadag+,J,NIM/A,501,524,2003) Details 2287100100010 of experiments. 2287100100011 (I,22842001,M.Karadag+,J,ANE,31,1285,2004) 2287100100012 Experim.details 2287100100013 METHOD (ACTIV) 2287100100014 (CADMB) Cadmium difference method for the neutron 2287100100015 cut-off energy determination 2287100100016 (SITA) 2287100100017 DETECTOR (HPGE) Resolution 1.80 keV at 1332.5 keV g-energy of 2287100100018 Co-60 and 0.97 keV for 122 keV of Co-57. Relative 2287100100019 efficiency is 22.6%. Resolution of detector was 2287100100020 determined using standard radionuclides of Cd-109, 2287100100021 Co-57, Cr-51, Te-123m, Sn-113, Sr-85, Cs-137, 2287100100022 Co-60 and Y-88 2287100100023 INC-SOURCE (AM-BE) Three 592 GBq 241Am-Be isotopic neutron source 2287100100024 immersed in paraffin moderator shielded with lead 2287100100025 INC-SPECT Alpha-beryllium source was immersed in paraffin. 2287100100026 Thermal neutron flux was (1.5+-0.2)E+4 and 2287100100027 epithermal neutron flux was (1.4+-0.1)E+3 n/cm2/sec. 2287100100028 Each irradiations were performed with and without 2287100100029 cadmium shield 2287100100030 DECAY-DATA (67-HO-166-G,26.763HR,DG,80.547,0.0671) 2287100100031 SAMPLE Manganese Mn-O2 and Holmium Ho2-O3 oxide powders were 2287100100032 diluted with the finely grained Al2-O3 powder by 2287100100033 98.8 - 96.6%. Each sample was filled in polystyrene 2287100100034 cylindrical tube (height/diam = aprx 2, walls 1 mm 2287100100035 thick, internal diameter 5.0 mm) and irradiated with 2287100100036 and without cylindrical cadmium shield case 2287100100037 CORRECTION Corrections for background were made with the help of 2287100100038 irradiating a bare cadmium case, for self-shielding - 2287100100039 with the help of procedure given in J,ANE,31,1285 2287100100040 Following information is used for calculation thermal 2287100100041 neutron self-shielding correction factor: 2287100100042 Element Atomic weight, Microscopic cross-sections (b)2287100100043 M (g/mol) --------------------------- 2287100100044 Absorption, Scattering, Total 2287100100045 8-O 15.9994 1.9/10**4 3.78 3.78 2287100100046 13Al 26.9815 0.231 1.41 1.64 2287100100047 25Mn 54.9380 13.41 2.17 15.58 2287100100048 67Ho 164.930 65. 10.8 75.8 2287100100049 ERR-ANALYS (ERR-EDD) Error of energy value for Ho-166g 2287100100050 given under DECAY-DATA 2287100100051 HISTORY (20050615C) HH/SM 2287100100052 (20130111A) SD: INC-SOURCE was corrected. ASSUMED, 2287100100053 MISC-COL were deleted; information moved to CORRECTION.2287100100054 Small corrections in all Subents. 2287100100055 (20230518A) SD: Correction in Subent 002. 2287100100056 ENDBIB 54 0 2287100100057 COMMON 1 3 2287100100058 ERR-EDD 2287100100059 KEV 2287100100060 0.008 2287100100061 ENDCOMMON 3 0 2287100100062 ENDSUBENT 61 0 2287100199999 SUBENT 22871002 20230518 20231011 2287100200001 BIB 8 43 2287100200002 REACTION (67-HO-165(N,G)67-HO-166-G,,SIG,,MXW) 2287100200003 MONITOR (25-MN-55(N,G)25-MN-56,,SIG) 2287100200004 MONIT-REF (,V.McLane+,R,BNL-NCS-44945,2001) Nuclear data file 2287100200005 ENDF/B-VI 2287100200006 DECAY-MON (25-MN-56,2.5789HR,DG,846.75,0.983) 2287100200007 REL-REF (A,,L.Seren+,J,PR,72,888,1947) 2287100200008 (A,,F.De Corte+,J,JRN,257,493,2003) 2287100200009 (A,,R.L.Zimmerman+,J,NP/A,95,683,1967) 2287100200010 (A,,F.De Corte+,J,JRN,133,43,1989) 2287100200011 (D,,Y.Danon+,J,NSE,128,61,1998) 2287100200012 (D,,V.McLane+,R,BNL-NCS-44945,2001) 2287100200013 (D,,E.Steinnes,J,JIN,34,2699,1972) 2287100200014 (D,,B.Keisch+,R,WASH-1041,36,1962) 2287100200015 (D,,H.Pomerance,J,PR,83,641,1951) Difference by 8-13%. 2287100200016 ERR-ANALYS (ERR-SYS) Total systematic error of Ho-165(N,G) as the 2287100200017 square root of the quadratic sum of all its 2287100200018 constituents 2287100200019 (ERR-S) Statistical error for 1.65*(dispersion) 2287100200020 confidence level for Ho-165 2287100200021 (ERR-1) Error of detection efficiency for Ho-165 2287100200022 (ERR-2) Error of the sample mass for Ho-165 2287100200023 (ERR-3) Error of the Ho-166g 2287100200024 gamma-ray emission probability 2287100200025 (ERR-4) Error of the Ho-165 thermal neutron self- 2287100200026 shielding factor 2287100200027 (ERR-5) Error of the Ho-165 cadmium transmission 2287100200028 factor 2287100200029 (ERR-6) Statistical error for 1.65*(dispersion) 2287100200030 confidence level for 55-Mn 2287100200031 (ERR-7) Error of detection efficiency for 55-Mn 2287100200032 (ERR-8) Error of the sample mass for 55-Mn 2287100200033 (ERR-9) Error of the 56-Mn half-life 2287100200034 (ERR-10) Error of the Mn-56 gamma-ray emission 2287100200035 probability 2287100200036 (ERR-11) Error of the 55Mn thermal neutron self- 2287100200037 shielding factor 2287100200038 (ERR-12) Total Monitor systematic error 2287100200039 for Mn-55 2287100200040 (MONIT-ERR) Total error of the reference sigma 2287100200041 (ERR-T) Total error 2287100200042 STATUS (TABLE) From table 5 of Ann.Nucl.En.,32,1,2005 2287100200043 HISTORY (20230518A) SD: Value of MONIT-ERR deleted from DATA 2287100200044 section. 2287100200045 ENDBIB 43 0 2287100200046 COMMON 15 9 2287100200047 ERR-SYS ERR-S ERR-1 ERR-2 ERR-3 ERR-4 2287100200048 ERR-5 ERR-6 ERR-7 ERR-8 ERR-9 ERR-10 2287100200049 ERR-11 ERR-12 MONIT-ERR 2287100200050 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2287100200051 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2287100200052 PER-CENT PER-CENT PER-CENT 2287100200053 3.01 0.56 2.51 0.01 1.19 0.1 2287100200054 1.0 0.39 2.75 0.01 0.004 0.302287100200055 0.01 2.89 0.75 2287100200056 ENDCOMMON 9 0 2287100200057 DATA 4 1 2287100200058 EN-DUMMY DATA ERR-T MONIT 2287100200059 EV B B B 2287100200060 0.0253 59.2 2.5 13.3 2287100200061 ENDDATA 3 0 2287100200062 ENDSUBENT 61 0 2287100299999 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