ENTRY 22366 20220216 23092236600000001 SUBENT 22366001 20220216 23092236600100001 BIB 10 31 2236600100002 TITLE Measurements of thermal neutron cross section and 2236600100003 resonance integral for the 237-Np(n,g)238-Np reaction 2236600100004 AUTHOR (K.Kobayashi,A.Yamanaka,I.Kimura) 2236600100005 INSTITUTE (2JPNKTO) 2236600100006 REFERENCE (J,NST,31,1239,1994) Main reference, data are given 2236600100007 ((S,JAERI-M-94-019,171,1994)= 2236600100008 (S,INDC(JPN)-169,171,1994)) 2236600100009 (C,93VAIL,,711,1993) same data 2236600100010 METHOD (ACTIV) 2236600100011 DETECTOR (HPGE) 2236600100012 DECAY-DATA (79-AU-198-G,2.694D,DG,412.0,0.955) 2236600100013 (91-PA-233,27.0D,DG) 2236600100014 (93-NP-237,2.14E+6YR,A) 2236600100015 (93-NP-238,2.12D,DG,984.0,0.278, 2236600100016 DG,1029.0,0.203) 2236600100017 ERR-ANALYS (ERR-T) Total error 2236600100018 (ERR-S,1.,2.) Statistical error 2236600100019 (ERR-1,1.5,2.2) Uncertainty in the detection 2236600100020 efficiencies 2236600100021 (ERR-2) Uncertainty in the number of atoms 2236600100022 (ERR-3) Uncertainty in the geometrical factor for 2236600100023 irradiation of the samples 2236600100024 (ERR-4,0.8,1.2) Uncertainty in the other corrections 2236600100025 STATUS (TABLE) Tbl. 2,3 from Nucl.Sci.Tech.,31(1994)1239 2236600100026 HISTORY (19971208C) + + Compiled by S.Maev + + 2236600100027 (19990604A) Date is corrected 2236600100028 (20051029U) Last corrections done . 2236600100029 (20071222A) Corrected SM 2236600100030 (20171106U) SD: Ref. 93VAIL was added. 2236600100031 (20220216U) SD: Year of the JAERI-M-94-019,171 ref. 2236600100032 updated (1993 -> 1994). ERR-ANALYS updated. 2236600100033 ENDBIB 31 0 2236600100034 COMMON 2 3 2236600100035 ERR-2 ERR-3 2236600100036 PER-CENT PER-CENT 2236600100037 1.8 0.5 2236600100038 ENDCOMMON 3 0 2236600100039 ENDSUBENT 38 0 2236600199999 SUBENT 22366002 20071222 21902236600200001 BIB 7 15 2236600200002 REACTION (93-NP-237(N,G)93-NP-238,,SIG) Cross section at 2236600200003 Vn = 2200 m/sec 2236600200004 FACILITY (REAC,2JPNKTO) Kyoto university 5 mwatt power reactor 2236600200005 MONITOR (79-AU-197(N,G)79-AU-198,,SIG) 2236600200006 INC-SOURCE (THCOL) Heavy water thermal neutron facility at Kyoto 2236600200007 University reactor 2236600200008 INC-SPECT .Pure Maxwellian neutron energy spectrum with 2236600200009 temperature 60 deg-Celsium 2236600200010 SAMPLE .Dried filter-paper with a drop of purified neptunium 2236600200011 solution sealed in vynil sheet.Amount of Np-237 atoms 2236600200012 is from 1.E16 to 1.E17 which was determined experimen-2236600200013 tally by the gamma-ray measurements using high purity 2236600200014 Ge detector 2236600200015 HISTORY (20071222A) REACTION SF8=MXW erased. EN-MEAN changed 2236600200016 to EN. DECAY-DATA moved to SAN 001 2236600200017 ENDBIB 15 0 2236600200018 NOCOMMON 0 0 2236600200019 DATA 6 1 2236600200020 EN DATA ERR-T ERR-T MONIT MONIT-ERR 2236600200021 EV B B PER-CENT B B 2236600200022 2.53E-02 158. 3. 1.9 98.65 0.092236600200023 ENDDATA 3 0 2236600200024 ENDSUBENT 23 0 2236600299999 SUBENT 22366003 20071222 21902236600300001 BIB 9 18 2236600300002 REACTION (93-NP-237(N,G)93-NP-238,,RI,,RAW) Measured data. 2236600300003 ANALYSIS .Big Np resonance at 0.49 eV near E-MIN cut-off energy 2236600300004 was not taken into account 2236600300005 FACILITY (REAC,2JPNKNK) Kinki university 1 watt 2236600300006 highly enriched uranium fuel light-water moderated 2236600300007 and graphite reflected research reactor 2236600300008 INC-SOURCE (REAC) Central reactor graphite cavity at Kinki 2236600300009 University reactor 2236600300010 MONITOR (79-AU-197(N,G)79-AU-198,,RI) 2236600300011 INC-SPECT .Neutron energy spectrum was almost 1/E 2236600300012 CORRECTION .Corrections were made for the deviation of UTR-Kinki 2236600300013 reactor energy spectrum from the ideal 1/e one 2236600300014 SAMPLE .Dried filter-paper with a drop of purified neptunium 2236600300015 solution sealed in vynil sheet.Amount of Np-237 atoms 2236600300016 is from 1.E16 to 1.E17 which was determined experimen-2236600300017 tally by the gamma-ray measurements using high purity 2236600300018 Ge detector 2236600300019 HISTORY (20071222U) DECAY-DATA moved to SAN 001 2236600300020 ENDBIB 18 0 2236600300021 NOCOMMON 0 0 2236600300022 DATA 5 1 2236600300023 EN-MIN DATA ERR-T MONIT MONIT-ERR 2236600300024 EV B B B B 2236600300025 0.5 931. 35. 1550. 28. 2236600300026 ENDDATA 3 0 2236600300027 ENDSUBENT 26 0 2236600399999 SUBENT 22366004 20051029 21742236600400001 BIB 5 9 2236600400002 REACTION (93-NP-237(N,G)93-NP-238,,RI) 2236600400003 FACILITY (REAC,2JPNKNK) Kinki University 1 watt power 2236600400004 highly enriched uranium fuel light-water moderated 2236600400005 and graphite reflected research reactor 2236600400006 MONITOR (79-AU-197(N,G)79-AU-198,,RI) 2236600400007 ANALYSIS .Correction factor due to a big resonance at 0.49 eV 2236600400008 was determined by the MONTE-CARLO calculation to be 2236600400009 30 percent 2236600400010 STATUS (DEP,22366003) 2236600400011 ENDBIB 9 0 2236600400012 NOCOMMON 0 0 2236600400013 DATA 3 1 2236600400014 EN-MIN DATA ERR-T 2236600400015 EV B B 2236600400016 0.5 652. 24. 2236600400017 ENDDATA 3 0 2236600400018 ENDSUBENT 17 0 2236600499999 ENDENTRY 4 0 2236699999999