ENTRY 14581 20200117 14631458100000001 SUBENT 14581001 20200117 14631458100100001 BIB 9 13 1458100100002 TITLE Spontaneous fission yields from uranium and thorium 1458100100003 AUTHOR (G.W.Wetherill) 1458100100004 REFERENCE (J,PR,92,907,1953) 1458100100005 #doi:10.1103/PhysRev.92.907 1458100100006 INSTITUTE (1USACHI) 1458100100007 SAMPLE Geologically old uranium and thorium minerals. 1458100100008 The sample of the mineral euxenite contains 6% uranium.1458100100009 The sample of the mineral monazite contains about 6% 1458100100010 thorium and a few tenths percent uranium. 1458100100011 METHOD (CHSEP,ASEP) 1458100100012 MONITOR ((MONIT)92-U-238(0,F)54-XE-136,CUM,FY) 1458100100013 ERR-ANALYS (DATA-ERR) No information on sources of uncertainties 1458100100014 HISTORY (20200113C) OG. 1458100100015 ENDBIB 13 0 1458100100016 COMMON 1 3 1458100100017 MONIT 1458100100018 PC/FIS 1458100100019 6.00 1458100100020 ENDCOMMON 3 0 1458100100021 ENDSUBENT 20 0 1458100199999 SUBENT 14581002 20200117 14631458100200001 BIB 6 19 1458100200002 REACTION (92-U-238(0,F)ELEM/MASS,CUM,FY) 1458100200003 CORRECTION Corrections for normal krypton and xenon 1458100200004 SAMPLE Xenon samples from the mineral euxenite had weight 1458100200005 109.6 g and 33.8 g, krypton sample had weight 109.6 g. 1458100200006 Xenon samples from a sample of Ceylon monazite sand, 1458100200007 containing 7.79% thorium and 0.301% uranium. 1458100200008 A 20-g sample of Belgian Congo pitchblende containing 1458100200009 44 % uranium 1458100200010 FLAG (1.) Yields using 109.6 g xenon sample from euxenite 1458100200011 (2.) Yields using 33.8 g xenon sample from euxenite 1458100200012 (3.) Yields using Xe sample from Ceylon monazite sand 1458100200013 (4.) Yields using 109.6 g krypton sample from euxenite 1458100200014 (5.) Yields using Kr sample from monazite of Brazilian 1458100200015 origin 1458100200016 (6.) Yields using Kr and Xe samples from Belgian Congo 1458100200017 pitchblende 1458100200018 ANALYSIS In the pitchblende about 35% of the fission is 1458100200019 neutron-induced (p.912 in Phys.Rev.,92,907,1953). 1458100200020 STATUS (TABLE) Tabs.I,III,IV in Phys.Rev.,92,907,1953 1458100200021 ENDBIB 19 0 1458100200022 NOCOMMON 0 0 1458100200023 DATA 6 24 1458100200024 ELEMENT MASS DATA DATA-ERR FLAG DATA-MAX 1458100200025 NO-DIM NO-DIM PC/FIS PC/FIS NO-DIM PC/FIS 1458100200026 36. 83. 0.036 0.015 4. 1458100200027 36. 83. 0.036 0.025 5. 1458100200028 36. 83. 0.166 0.03 6. 1458100200029 36. 84. 0.119 0.040 4. 1458100200030 36. 84. 0.180 0.040 5. 1458100200031 36. 84. 0.401 0.06 6. 1458100200032 36. 86. 0.75 0.11 4. 1458100200033 36. 86. 0.87 0.12 5. 1458100200034 36. 86. 1.26 0.18 6. 1458100200035 54. 129. 1. 0.012 1458100200036 54. 129. 2. 0.02 1458100200037 54. 129. 0.190 0.004 6. 1458100200038 54. 131. 0.455 0.02 1. 1458100200039 54. 131. 0.474 0.02 2. 1458100200040 54. 131. 0.509 0.02 3. 1458100200041 54. 131. 1.18 0.02 6. 1458100200042 54. 132. 3.57 0.06 1. 1458100200043 54. 132. 3.51 0.07 2. 1458100200044 54. 132. 3.63 0.08 3. 1458100200045 54. 132. 3.69 0.04 6. 1458100200046 54. 134. 4.99 0.07 1. 1458100200047 54. 134. 4.91 0.06 2. 1458100200048 54. 134. 5.12 0.10 3. 1458100200049 54. 134. 5.62 0.05 6. 1458100200050 ENDDATA 26 0 1458100200051 ENDSUBENT 50 0 1458100299999 ENDENTRY 2 0 1458199999999