ENTRY 31757 20171106 31813175700000001 SUBENT 31757001 20171106 31813175700100001 BIB 12 30 3175700100002 TITLE Measurement of cross section of the 98Mo(n,g)99Mo 3175700100003 reaction using monochromatic thermal neutrons 3175700100004 AUTHOR (Md.S.Uddin, N.Afroze, S.Md.Hossain, A.K.M.Zakaria, 3175700100005 Md.A.Islam) 3175700100006 INSTITUTE (3BANSAV) 3175700100007 (3BANBAN) Jahangirnagar University, Savar, Dhaka 3175700100008 REFERENCE (J,RCA,103,85,2015) 3175700100009 FACILITY (REAC,3BANSAV) TRIGA Mark-II research reactor 3175700100010 INC-SPECT No epithermal neutrons (No activity in Au foil 3175700100011 covered with Cd) 3175700100012 SAMPLE Natural Mo foils (99.95% purity, 250 and 500 um thick) 3175700100013 cut into circular discs (1.5 cm diam.). 3175700100014 Two stacks of Au-Mo-Au were prepared. 3175700100015 DETECTOR (HPGE) 25% relative efficiency, 1.9 keV resolution at 3175700100016 1332.5 keV of 60Co. 3175700100017 METHOD (ACTIV) Irradiated for 9 hr at 0.0536 eV, and 3 hr 3175700100018 40 min at 0.0334 eV. 3175700100019 (DIFFR) 3175700100020 Triple axis spectrometer for En=0.0536 eV: 3175700100021 Cu(200) single crystal (5 x 15 x 1.2 cm3) 3175700100022 Neutron powder diffractometer for En=0.0334 eV: 3175700100023 Si(115) single crystal slabs (1.45 x 0.53 x 19.05 cm3)3175700100024 CORRECTION Corrected for 3175700100025 - efficiency 3175700100026 - coincidence loss 3175700100027 - neutron and gamma attenuation. 3175700100028 STATUS (TABLE) Table 2 of Radiochim.Acta103(2015)85 3175700100029 (APRVD) Approved by Md. Shuza Uddin (2015-05-18) 3175700100030 HISTORY (20150513C) On 3175700100031 (20171106A) On. Major revision in 002. 3175700100032 ENDBIB 30 0 3175700100033 NOCOMMON 0 0 3175700100034 ENDSUBENT 33 0 3175700199999 SUBENT 31757002 20171106 31813175700200001 BIB 7 15 3175700200002 REACTION (42-MO-98(N,G)42-MO-99,,SIG) 3175700200003 DECAY-DATA (42-MO-99,65.98HR) 3175700200004 (43-TC-99-M,6.01HR,DG,140.5,0.890) 3175700200005 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 3175700200006 DECAY-MON (79-AU-198-G,2.69D,DG,411.0,0.960) 3175700200007 RAD-DET (43-TC-99-M,DG) 3175700200008 (79-AU-198-G,DG) 3175700200009 ERR-ANALYS (ERR-T) Total uncertainty 3175700200010 (ERR-S) gamma counting (2%) 3175700200011 (ERR-1,0.1,0.5) peak area analysis (0.1-0.5%) 3175700200012 (ERR-2) sample mass (0.01%) 3175700200013 (ERR-3) efficiency (2%) 3175700200014 (ERR-4) gamma-ray intensity (4.5%) 3175700200015 (ERR-5) neutron flux (3%) 3175700200016 HISTORY (20171106A) On. EN: MEV -> EV; MONIT(-ERR): MB -> B 3175700200017 ENDBIB 15 0 3175700200018 COMMON 5 3 3175700200019 ERR-S ERR-2 ERR-3 ERR-4 ERR-5 3175700200020 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 3175700200021 2. 0.01 2. 4.5 3. 3175700200022 ENDCOMMON 3 0 3175700200023 DATA 5 2 3175700200024 EN DATA ERR-T MONIT MONIT-ERR 3175700200025 EV MB MB B B 3175700200026 0.0334 116. 7. 86.26 2.1 3175700200027 0.0536 91. 5. 68.5 1.7 3175700200028 ENDDATA 4 0 3175700200029 ENDSUBENT 28 0 3175700299999 SUBENT 31757003 20150513 31703175700300001 BIB 4 8 3175700300002 REACTION (42-MO-98(N,G)42-MO-99,,SIG,,,DERIV) 3175700300003 ANALYSIS Two thermal cross sections obtained by extrapolation 3175700300004 from the two measured data points by 1/v law 3175700300005 (133.05+/-8 mb from the 0.0334 eV data point, and 3175700300006 132.74+/-8 mb from the 0.0536 eV data point) were 3175700300007 averaged. 3175700300008 ERR-ANALYS (DATA-ERR) No information on source of uncertainties 3175700300009 STATUS (DEP,31757002) where 0.0334 eV and 0.0536 eV data given3175700300010 ENDBIB 8 0 3175700300011 NOCOMMON 0 0 3175700300012 DATA 3 1 3175700300013 EN DATA DATA-ERR 3175700300014 EV MB MB 3175700300015 0.0253 133. 8. 3175700300016 ENDDATA 3 0 3175700300017 ENDSUBENT 16 0 3175700399999 ENDENTRY 3 0 3175799999999