ENTRY 23001 20071203 21892300100000001 SUBENT 23001001 20071203 21892300100100001 BIB 14 36 2300100100002 TITLE Measurements of tritium and 14C production cross 2300100100003 sections for 14.7-MeV neutrons on 17O and 18O 2300100100004 AUTHOR (Y.M.Verzilov, Y.Ikeda, F.Maekawa, Y.Oyama, D.L.Smith) 2300100100005 INSTITUTE (2JPNJAE) Department of Reactor Engineering 2300100100006 (1USAANL) Technology Development Division 2300100100007 REFERENCE (J,NSE,129,(1),81,199805) 2300100100008 MONIT-REF ((MONIT)22089065,Y.Ikeda+,R,JAERI-1312,1988) 2300100100009 93Nb(n,2n)92mNb cross section. Cross section quoted by 2300100100010 authors (460+-5 mb at 14.7 MeV) is different from 2300100100011 cross section compiled in 22089.054 (470 +-2 mb at 2300100100012 14.71 MeV) 2300100100013 MONITOR ((MONIT)41-NB-93(N,2N)41-NB-92-M,,SIG) 2300100100014 INC-SOURCE Beam intensity is 20 mA. 2300100100015 (D-T) Total yield of typically 2*10**12 n/s 2300100100016 SAMPLE - Chemical-form of target is H2O. 2300100100017 - Physical-form of target is liquid. 2300100100018 METHOD (ACTIV) Irradiated for 160 hours 2300100100019 (BGCT) Liquid scintillation technique 2300100100020 FACILITY (CCW,2JPNJAE) To accelerate d+ beam to 350 keV at 2300100100021 JAERI FNS facility 2300100100022 DETECTOR (GE) To determine gamma activity (92mNb) 2300100100023 (SCIN) To determine beta activity 2300100100024 ERR-ANALYS (ERR-T) Total uncertainty 2300100100025 (ERR-1) Uncertainty due to number of target atoms 2300100100026 (ERR-2) Uncertainty due to irradiation geometry 2300100100027 (ERR-3) Uncertainty due to efficiency of gamma 2300100100028 detector 2300100100029 (ERR-4) Uncertainty due to monitor cross section 2300100100030 (ERR-5) Uncertainty due to efficiency of beta detector 2300100100031 (ERR-6) Uncertainty due to 14C loss through CO 2300100100032 (ERR-7) Uncertainty due to incomplete fixation of 14C 2300100100033 (ERR-8) Uncertainty due to 3H loss through hydrogen 2300100100034 molecules (HT) 2300100100035 (ERR-S) Statistical uncertainty 2300100100036 STATUS (TABLE) Taken from Table IV, p85 of reference 2300100100037 HISTORY (20071001C) 2300100100038 ENDBIB 36 0 2300100100039 COMMON 11 6 2300100100040 MONIT MONIT-ERR ERR-6 ERR-7 ERR-8 ERR-1 2300100100041 ERR-2 ERR-3 ERR-4 ERR-5 ERR-S 2300100100042 MB MB PER-CENT PER-CENT PER-CENT PER-CENT 2300100100043 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 2300100100044 460. 5. 10. 9. 10. 2. 2300100100045 4. 2.5 1.1 3.1 4. 2300100100046 ENDCOMMON 6 0 2300100100047 ENDSUBENT 46 0 2300100199999 SUBENT 23001002 20071203 21892300100200001 BIB 2 2 2300100200002 REACTION (8-O-17(N,T)7-N-15,,SIG) 2300100200003 DECAY-DATA (1-H-3,,B-,18.6) Maximum energy 2300100200004 ENDBIB 2 0 2300100200005 NOCOMMON 0 0 2300100200006 DATA 4 1 2300100200007 EN EN-ERR DATA ERR-T 2300100200008 MEV MEV MB MB 2300100200009 14.7 0.3 18.0 3.3 2300100200010 ENDDATA 3 0 2300100200011 ENDSUBENT 10 0 2300100299999 SUBENT 23001003 20071203 21892300100300001 BIB 2 2 2300100300002 REACTION (8-O-17(N,A)6-C-14,,SIG) 2300100300003 DECAY-DATA (6-C-14,,B-,156.5) Maximum energy 2300100300004 ENDBIB 2 0 2300100300005 NOCOMMON 0 0 2300100300006 DATA 4 1 2300100300007 EN EN-ERR DATA ERR-T 2300100300008 MEV MEV MB MB 2300100300009 14.7 0.3 35.4 6.5 2300100300010 ENDDATA 3 0 2300100300011 ENDSUBENT 10 0 2300100399999 SUBENT 23001004 20071203 21892300100400001 BIB 2 2 2300100400002 REACTION (8-O-18(N,T)7-N-16,,SIG) 2300100400003 DECAY-DATA (1-H-3,,B-,18.6) Maximum energy 2300100400004 ENDBIB 2 0 2300100400005 NOCOMMON 0 0 2300100400006 DATA 4 1 2300100400007 EN EN-ERR DATA ERR-T 2300100400008 MEV MEV MB MB 2300100400009 14.7 0.3 0.82 0.15 2300100400010 ENDDATA 3 0 2300100400011 ENDSUBENT 10 0 2300100499999 SUBENT 23001005 20071203 21892300100500001 BIB 2 2 2300100500002 REACTION (8-O-18(N,N+A)6-C-14,,SIG) 2300100500003 DECAY-DATA (6-C-14,,B-,156.5) Maximum energy 2300100500004 ENDBIB 2 0 2300100500005 NOCOMMON 0 0 2300100500006 DATA 4 1 2300100500007 EN EN-ERR DATA ERR-T 2300100500008 MEV MEV MB MB 2300100500009 14.7 0.3 26.8 4.9 2300100500010 ENDDATA 3 0 2300100500011 ENDSUBENT 10 0 2300100599999 ENDENTRY 5 0 2300199999999