ENTRY 23708 20200520 228823708 0 1 SUBENT 23708001 20200505 228823708 1 1 BIB 11 24 23708 1 2 TITLE Investigation of delayed neutron precursors of As, Sb,23708 1 3 and Ge 23708 1 4 AUTHOR (P.del Marmol,N.Neve de Mevergnies) 23708 1 5 REFERENCE (J,JIN,29,273,1967) 23708 1 6 ((C,65SALZBURG,2,225,1965)= 23708 1 7 (R,STI/PUB-101,(2),225,1965)) 23708 1 8 Preliminary publication, details of facility 23708 1 9 INSTITUTE (2BLGMOL) 23708 1 10 FACILITY (REAC,2BLGMOL) BR2 reactor 23708 1 11 INC-SOURCE (REAC) T7 channel 23708 1 12 INC-SPECT Thermal neutrons . Flux 1.6E+9 n/(cm2*sec) in earlier 23708 1 13 measurement, 5.4E+8 n/(cm2*sec) at later . 23708 1 14 SAMPLE U-235 (90% enriched) 1 to 2 g with SB+5 or As+5 23708 1 15 carriers in solution in ~25 cm3 of 30% H(2)SO(4). 23708 1 16 DETECTOR (HE3SP) 5 He-3 counters with TMC 400-channel 23708 1 17 multiscaler. 23708 1 18 Time intervals 0.1 sec for first 20 sec, 1 sec for 23708 1 19 later time. 23708 1 20 Efficiency was measured by 56-sec Br-87 23708 1 21 delayed neutron source to be ~7%. 23708 1 22 METHOD (CHSEP) Irradiation time from 5 to 60 sec, 23708 1 23 gas collection time 2 to 5 sec, 23708 1 24 As and Sb were separated as hydrides. 23708 1 25 HISTORY (20200520C) M.M. 23708 1 26 ENDBIB 24 0 23708 1 27 NOCOMMON 0 0 23708 1 28 ENDSUBENT 27 0 23708 199999 SUBENT 23708002 20200520 228823708 2 1 BIB 4 6 23708 2 2 REACTION (33-AS-85(0,B-)34-SE-85,,PN) 23708 2 3 DECAY-DATA (33-AS-85,2.15SEC) 2.15+-0.15 sec measured 23708 2 4 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 23708 2 5 article. 23708 2 6 STATUS (TABLE) Text of abstract in 23708 2 7 J.of Inorganic and Nuclear Chemistry,v.29,p.273,1967 23708 2 8 ENDBIB 6 0 23708 2 9 NOCOMMON 0 0 23708 2 10 DATA 2 1 23708 2 11 DATA DATA-ERR 23708 2 12 NO-DIM NO-DIM 23708 2 13 0.11 0.03 23708 2 14 ENDDATA 3 0 23708 2 15 ENDSUBENT 14 0 23708 299999 SUBENT 23708003 20200520 228823708 3 1 BIB 3 4 23708 3 2 REACTION (92-U-235(N,F)MASS,CHN,FY) 23708 3 3 CORRECTION For delayed neutron emission. 23708 3 4 STATUS (TABLE) Text page 277 of 23708 3 5 J.of Inorganic and Nuclear Chemistry,v.29,p.273,1967 23708 3 6 ENDBIB 4 0 23708 3 7 COMMON 1 3 23708 3 8 EN-DUMMY 23708 3 9 EV 23708 3 10 0.0253 23708 3 11 ENDCOMMON 3 0 23708 3 12 DATA 2 2 23708 3 13 MASS DATA 23708 3 14 NO-DIM PC/FIS 23708 3 15 84. 0.94 23708 3 16 85. 1.38 23708 3 17 ENDDATA 4 0 23708 3 18 ENDSUBENT 17 0 23708 399999 ENDENTRY 3 0 2370899999999