ENTRY 41736 20220316 42054173600000001 SUBENT 41736001 20220316 42054173600100001 BIB 14 35 4173600100002 TITLE Yields of certain fragments in Th232 fission by 4173600100003 14.3-MeV neutrons 4173600100004 AUTHOR (V.A.Vlasov,Yu.A.Zysin,I.S.Kirin,A.A.Lbov,L.I.Osyaeva, 4173600100005 L.I.Sel'chenkov) 4173600100006 REFERENCE (B,NEJTRONFIZ,,235,1961) 4173600100007 (B,SPN,,172,1963) Engl.translation of NEUTRONFIZ,p.235 4173600100008 (R,AEC-TR-4665,1960) Engl.translation. 4173600100009 INSTITUTE (4RUSKUR) 4173600100010 FACILITY (LINAC,4RUSKUR) 4173600100011 INC-SOURCE (D-T) Deuterons energy ~150 keV. 4173600100012 INC-SPECT 3.E+14 integral neutron flux. 4173600100013 (0.7-2.)*10**8 n/(cm2*sec), irradiation time 5-22 hr. 4173600100014 SAMPLE 90 g (Th(NO(3)(4))*(4)H(2)O in Al cylindrical cassette.4173600100015 METHOD (CHSEP) 9 irradiations. Irradiated sample was dissolved4173600100016 in water and divided into 4 parts. After carrier 4173600100017 addition of 50-100 mg these isotopes were chemically 4173600100018 separated: 4173600100019 1) Ba, Sr, Ag,Cd, 2)Mo,Te,Ru, 3) Ce,Zr, 4) Br, Ga. 4173600100020 DETECTOR (PROPC) Beta activity was measured by an end-window 4173600100021 beta-counter MST-17. 4173600100022 Detection efficiency was determined by 4PI-counters. 4173600100023 ANALYSIS (DECAY) 4173600100024 CORRECTION For absorption in air and in counter window, 4173600100025 scattering in backings, self-scattering and 4173600100026 self-absorption. 4173600100027 For contribution of daughter isotopes. 4173600100028 For decay during irradiation. 4173600100029 For neutron flux fluctuations. 4173600100030 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 4173600100031 article. 4173600100032 (ERR-1,,8.) Uncertainty due to mass dependence 4173600100033 interpolation. 4173600100034 5 - 15 %. 4173600100035 HISTORY (20210309C) M.M. 4173600100036 (20220316U) Ref.AEC-TR-4665,1960 was added. 4173600100037 ENDBIB 35 0 4173600100038 NOCOMMON 0 0 4173600100039 ENDSUBENT 38 0 4173600199999 SUBENT 41736002 20210309 41944173600200001 BIB 2 3 4173600200002 REACTION ((90-TH-232(N,F)ELEM/MASS,CUM,FY)/ 4173600200003 (90-TH-232(N,F)42-MO-99,CUM,FY)) 4173600200004 STATUS (TABLE) Table 2 of book Nejtronnaja Fizika,p.235,1961 4173600200005 ENDBIB 3 0 4173600200006 COMMON 1 3 4173600200007 EN 4173600200008 MEV 4173600200009 14.3 4173600200010 ENDCOMMON 3 0 4173600200011 DATA 6 11 4173600200012 MASS ELEMENT ISOMER DATA DATA-ERR DATA-MAX 4173600200013 NO-DIM NO-DIM NO-DIM NO-DIM NO-DIM NO-DIM 4173600200014 73. 31. 0.03 4173600200015 83. 35. 0.79 0.09 4173600200016 89. 38. 2.9 0.3 4173600200017 91. 39. 2.6 0.3 4173600200018 95. 40. 3.4 0.7 4173600200019 99. 42. 1.0 4173600200020 111. 47. 0.64 0.05 4173600200021 115. 48. 0.54 0.04 4173600200022 129. 52. 1. 0.37 0.07 4173600200023 132. 52. 1.4 0.02 4173600200024 141. 58. 3.0 0.3 4173600200025 ENDDATA 13 0 4173600200026 ENDSUBENT 25 0 4173600299999 SUBENT 41736003 20210309 41944173600300001 BIB 3 9 4173600300002 REACTION (90-TH-232(N,F)ELEM/MASS,CUM,FY) 4173600300003 ANALYSIS Mass relative yields dependence was interpolated and 4173600300004 normalized to sum of 200 %. Thernary fission 4173600300005 contribution was neglected. "Mirror" points were 4173600300006 derived taking into account fission neutron number 2-5.4173600300007 10 measured and 10 "mirror" points were used in 4173600300008 interpolation. 4173600300009 STATUS (TABLE) Table 2 of book Nejtronnaja Fizika,p.235,1961 4173600300010 (DEP,41736002) Relative yields. 4173600300011 ENDBIB 9 0 4173600300012 COMMON 1 3 4173600300013 EN 4173600300014 MEV 4173600300015 14.3 4173600300016 ENDCOMMON 3 0 4173600300017 DATA 6 11 4173600300018 MASS ELEMENT ISOMER DATA DATA-ERR DATA-MAX 4173600300019 NO-DIM NO-DIM NO-DIM PC/FIS PC/FIS PC/FIS 4173600300020 73. 31. 0.06 4173600300021 83. 35. 1.6 0.3 4173600300022 89. 38. 5.7 0.8 4173600300023 91. 39. 5.2 0.8 4173600300024 95. 40. 6.7 1.5 4173600300025 99. 42. 2.0 0.2 4173600300026 111. 47. 1.27 0.15 4173600300027 115. 48. 1.07 0.12 4173600300028 129. 52. 1. 0.73 0.18 4173600300029 132. 52. 2.8 0.6 4173600300030 141. 58. 5.9 0.8 4173600300031 ENDDATA 13 0 4173600300032 ENDSUBENT 31 0 4173600399999 ENDENTRY 3 0 4173699999999