ENTRY 23711 20200505 22882371100000001 SUBENT 23711001 20200505 22882371100100001 BIB 13 24 2371100100002 TITLE Radiochemical studies of fission induced by 14.7 MeV 2371100100003 neutrons. Part I: uranium 2371100100004 AUTHOR (R.H.James,G.R.Martin,D.J.Silvester) 2371100100005 REFERENCE (J,RCA,3,76,1964) 2371100100006 REL-REF (N,,D.Strominger+,J,RMP,30,585,1958) 2371100100007 Measured HLs do not deviate from HLs in this ref. 2371100100008 (N,23713001,S.J.Lyle+,J,RCA,3,80,1964) 2371100100009 Part II: thorium 2371100100010 INSTITUTE (2UK DUR) 2371100100011 FACILITY (CCW,2UK DUR) 2371100100012 INC-SOURCE (D-T) 150 keV deuterons bombard zirconium-tritium 2371100100013 target. 2371100100014 SAMPLE Natural uranium ( essentially U-238 - 99,3%) as 2371100100015 uranyl nitrate. 2371100100016 DETECTOR (PROPC) Methane-flow 2PI-beta-proportional counter 2371100100017 (GEMUC) For xenon 2371100100018 (SCIN) Proton-recoil scintillator to measure the 2371100100019 flux variation. 2371100100020 METHOD (CHSEP) 2371100100021 ANALYSIS Activities were extrapolated to zero time ( end of 2371100100022 irradiation) 2371100100023 CORRECTION For chemical yield, self-absorption, backscattering, 2371100100024 growth of daughter activities. 2371100100025 HISTORY (20200520C) M.M. 2371100100026 ENDBIB 24 0 2371100100027 COMMON 2 3 2371100100028 EN EN-RSL-HW 2371100100029 MEV MEV 2371100100030 14.7 0.2 2371100100031 ENDCOMMON 3 0 2371100100032 ENDSUBENT 31 0 2371100199999 SUBENT 23711002 20200520 22882371100200001 BIB 8 33 2371100200002 REACTION 1((92-U-238(N,F)MASS,CHN,FY)/ 2371100200003 (92-U-238(N,F)56-BA-139,CUM,FY)) 2371100200004 2(92-U-238(N,F)MASS,CHN,FY) 2371100200005 MONITOR 2(92-U-238(N,F)56-BA-139,CUM,FY) 2371100200006 BaCl(2)*H(2)O was counted 2371100200007 DECAY-MON (56-BA-139,85.MIN) 2371100200008 FLAG Chemical form of counted sample 2371100200009 (1.) AgBr 2371100200010 (2.) AgBr 2371100200011 (3.) Y(2)(C(2)O(4))(3)*9H(2)O 2371100200012 (4.) Zr(C(6)H(2)O(3))4 2371100200013 (5.) MoO(2)(C(9)H(6)ON)2 2371100200014 (6.) Ru 2371100200015 (7.) Pd(C(4)H(7)N(2)O(2))2 2371100200016 (8.) Pd(C(4)H(7)N(2)O(2))2 2371100200017 (9.) AgCl 2371100200018 (10.) Pd(C(4)H(7)N(2)O(2))2 2371100200019 (11.) AgCl 2371100200020 (12.) AgCl 2371100200021 (13.) Sb(C(6)H(5)O(4)) 2371100200022 (14.) AgI 2371100200023 (15.) Xe 2371100200024 (16.) Xe 2371100200025 (17.) BaCl(2)*H(2)O 2371100200026 (18.) Ce(2)(C(2)O(4))3*9H(2)O 2371100200027 ANALYSIS Smoothed yield curve was normalized to 100 % for each 2371100200028 peak area. Mirror points were plotted using a value of 2371100200029 NU = 4. 2371100200030 REL-REF (N,,J.G.Cuninghame,J,JIN,5,1,1957) 2371100200031 Data used for comparison on Fig.2 of J,RCA,3,76,1964. 2371100200032 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 2371100200033 article. 2371100200034 STATUS (TABLE) Table 1 of Radiochimica Acta,v.3,p.76,1964 2371100200035 ENDBIB 33 0 2371100200036 COMMON 1 3 2371100200037 MONIT 2 2371100200038 PC/FIS 2371100200039 4.92 2371100200040 ENDCOMMON 3 0 2371100200041 DATA 6 18 2371100200042 MASS DATA 1DATA-ERR 1DATA 2DATA-ERR 2FLAG 2371100200043 NO-DIM NO-DIM NO-DIM PC/FIS PC/FIS NO-DIM 2371100200044 83. 0.138 0.010 0.68 0.05 1. 2371100200045 84. 0.270 0.008 1.33 0.04 2. 2371100200046 93. 0.835 0.028 4.11 0.14 3. 2371100200047 97. 1.213 0.067 5.97 0.33 4. 2371100200048 99. 1.315 0.047 6.47 0.23 5. 2371100200049 105. 0.539 0.033 2.65 0.16 6. 2371100200050 109. 0.244 0.041 1.20 0.20 7. 2371100200051 111. 0.132 0.016 0.65 0.08 8. 2371100200052 111. 0.199 0.033 0.98 0.16 9. 2371100200053 112. 0.161 0.016 0.79 0.08 10. 2371100200054 113. 0.177 0.012 0.87 0.06 11. 2371100200055 115. 0.130 0.010 0.64 0.05 12. 2371100200056 129. 0.240 0.002 1.18 0.01 13. 2371100200057 131. 0.935 0.085 4.60 0.42 14. 2371100200058 133. 1.352 0.047 6.65 0.23 15. 2371100200059 135. 1.136 0.039 5.59 0.19 16. 2371100200060 140. 0.949 0.028 4.67 0.14 17. 2371100200061 143. 0.713 0.142 3.51 0.70 18. 2371100200062 ENDDATA 20 0 2371100200063 ENDSUBENT 62 0 2371100299999 SUBENT 23711003 20200520 22882371100300001 BIB 3 6 2371100300002 REACTION 1(92-U-238(N,F),SEC,AP,LF) 2371100300003 2(92-U-238(N,F),SEC,AP,HF) 2371100300004 ADD-RES Yield at peak 6.5 % , FWHM = 15 mass unit, 2371100300005 peak to valley yield ratio 9.4. 2371100300006 STATUS (TABLE) Text page 80 of Radiochimica Acta,v.3,p.76,19642371100300007 (DEP,23711002) Mass distribution. 2371100300008 ENDBIB 6 0 2371100300009 NOCOMMON 0 0 2371100300010 DATA 2 1 2371100300011 DATA 1DATA 2 2371100300012 NO-DIM NO-DIM 2371100300013 99. 136. 2371100300014 ENDDATA 3 0 2371100300015 ENDSUBENT 14 0 2371100399999 ENDENTRY 3 0 2371199999999