ENTRY 31788 20250517 3178800000001 SUBENT 31788001 20250517 20251001 3178800100001 BIB 15 30 3178800100002 TITLE Non-destructive interrogation of uranium using PGAA 3178800100003 AUTHOR (G.L.Molnar, Z.Revay, T.Belgya) 3178800100004 INSTITUTE (3HUNII) 3178800100005 REFERENCE (J,NIM/B,213,389,2004) 3178800100006 REL-REF (C,,T.Belgya,C,96BUDA,,826,1996) Thermal neutron 3178800100007 (M,,Z.Revay+,J,NIM/B,213,385,2004) Cold neutron 3178800100008 (N,,G.L.Molnar+,J,NIM/A,489,140,2002) Hypermet PC 3178800100009 FACILITY (REAC,3HUNKFI) Budapest Research Reactor 3178800100010 INC-SOURCE (REAC) PGAA facility at the Budapest Research Reactor 3178800100011 INC-SPECT Thermal neutron beam with thermal equivalent neutron 3178800100012 flux of 2 x 10**6 neutrons/cm2/s. 3178800100013 The cold neutron beam with thermal equivalent neutron 3178800100014 flux of 5 x 10**7 neutrons/cm2/s. 3178800100015 Comments from Dr.Z.Revay on 2019-01-10: 3178800100016 The cross section was measured in guided beams (cold 3178800100017 and thermal) which is never Maxwellian, always 3178800100018 broader towards the cold energies. We can call 3178800100019 spectrum averaged, but not Maxwellian." 3178800100020 SAMPLE Natural uranyl acetate, UO2(CH3COO)2 2H2O 3178800100021 DETECTOR (HPGE) Compton-suppressed HPGe detector 3178800100022 METHOD (ACTIV,GSPEC) 3178800100023 MONITOR (1-H-1(N,G)1-H-2,PAR,SIG) 3178800100024 The partial gamma ray production cross-sections for 3178800100025 the major gamma lines have been determined relative 3178800100026 to the 2223 keV gamma line of hydrogen. 3178800100027 ERR-ANALYS (DATA-ERR) No information on the source of uncertainty 3178800100028 STATUS (TABLE,,G.L.Molnar+,J,NIM/B,213,389,2004) Table 2 3178800100029 (APRVD) By Dr.Z.Revay on 2019-01-10 3178800100030 HISTORY (20190107C) NDS So 3178800100031 (20250517A) On. Major revision in 005-006. 3178800100032 ENDBIB 30 0 3178800100033 COMMON 2 3 3178800100034 EN-DUMMY E-NRM 3178800100035 EV KEV 3178800100036 0.0253 2223. 3178800100037 ENDCOMMON 3 0 3178800100038 ENDSUBENT 37 0 3178800199999 SUBENT 31788002 20190107 31883178800200001 BIB 2 6 3178800200002 REACTION (92-U-238(N,G)92-U-239,PAR,SIG,,SPA) 3178800200003 CORRECTION The 4060 keV prompt gamma line overlaps with a decay 3178800200004 line of the short-lived 90Rb. The interference was 3178800200005 corrected using the peak at 4135 keV of 90Rb using 3178800200006 following equation 3178800200007 Inet(4060) = Itot(4060) - I(4135) x 0.035 eq.(1) 3178800200008 ENDBIB 6 0 3178800200009 NOCOMMON 0 0 3178800200010 DATA 3 1 3178800200011 E DATA DATA-ERR 3178800200012 KEV B B 3178800200013 4060. 0.191 0.002 3178800200014 ENDDATA 3 0 3178800200015 ENDSUBENT 14 0 3178800299999 SUBENT 31788003 20190107 31883178800300001 BIB 2 2 3178800300002 REACTION (92-U-238(N,G)92-U-239,PAR,SIG,DG,SPA) 3178800300003 DECAY-DATA (93-NP-239,2.36D,DG,278.) Beta delayed gamma 3178800300004 ENDBIB 2 0 3178800300005 NOCOMMON 0 0 3178800300006 DATA 3 1 3178800300007 E DATA DATA-ERR 3178800300008 KEV B B 3178800300009 278. 0.382 0.006 3178800300010 ENDDATA 3 0 3178800300011 ENDSUBENT 10 0 3178800399999 SUBENT 31788004 20190107 31883178800400001 BIB 1 1 3178800400002 REACTION (92-U-235(N,G)92-U-236,PAR,SIG,,SPA) 3178800400003 ENDBIB 1 0 3178800400004 NOCOMMON 0 0 3178800400005 DATA 3 1 3178800400006 E DATA DATA-ERR 3178800400007 KEV B B 3178800400008 6395. 0.0038 0.0002 3178800400009 ENDDATA 3 0 3178800400010 ENDSUBENT 9 0 3178800499999 SUBENT 31788005 20250517 20251001 3178800500001 BIB 3 4 3178800500002 REACTION (92-U-235(N,F)52-TE-134,PAR,SIG,G,SPA) 3178800500003 FLAG (1.) Chopped beam PGAA (activation + decay phase) 3178800500004 (2.) Chopped beam PGAA (activation phase) 3178800500005 HISTORY (20250517A) On. REACTION(SF1): 92-U-238 -> 92-U-235. 3178800500006 ENDBIB 4 0 3178800500007 NOCOMMON 0 0 3178800500008 DATA 4 2 3178800500009 E DATA DATA-ERR FLAG 3178800500010 KEV B B NO-DIM 3178800500011 297. 0.22 0.02 1. 3178800500012 1279. 0.20 0.01 2. 3178800500013 ENDDATA 4 0 3178800500014 ENDSUBENT 13 0 3178800599999 SUBENT 31788006 20250517 20251001 3178800600001 BIB 3 3 3178800600002 REACTION (92-U-235(N,F)56-BA-140,PAR,SIG,DG,SPA) 3178800600003 DECAY-DATA (56-BA-140,12.75D,DG,537.) 3178800600004 HISTORY (20250517A) On. REACTION(SF1): 92-U-238 -> 92-U-235. 3178800600005 ENDBIB 3 0 3178800600006 NOCOMMON 0 0 3178800600007 DATA 3 1 3178800600008 E DATA DATA-ERR 3178800600009 KEV B B 3178800600010 537. 0.066 0.003 3178800600011 ENDDATA 3 0 3178800600012 ENDSUBENT 11 0 3178800699999 ENDENTRY 3 0 3178899999999