ENTRY 31775 20170704 31793177500000001 SUBENT 31775001 20170704 31793177500100001 BIB 13 32 3177500100002 TITLE A programme for a systematic experimental study of 3177500100003 delayed neutron emission in fission 3177500100004 AUTHOR (S.Amiel,J.Gilat,A.Notea,E.Yellin) 3177500100005 INSTITUTE (3ISLSOR) 3177500100006 REFERENCE (C,67VIENNA,,115,1967) 3177500100007 FACILITY (REAC,3ISLSOR) IRR-1 reactor 3177500100008 (NGEN,3ISLSOR) 3177500100009 ANALYSIS (DECAY) irradiation - 5 sec, 3177500100010 sample transfer - 2 sec. 3177500100011 The collection efficiency for the chain 93 was 3177500100012 determined by quantitative measurement of the 91 and 3177500100013 92 chain fractions using Y-91m and Sr-92 spectrometry. 3177500100014 The final Pn values are determined as average of the 3177500100015 following data: 3177500100016 chain 91 calibration chain 92 calibration 3177500100017 93Kr 0.042 +/- 0.006 0.036 +/- 0.005 3177500100018 93Rb 0.028 +/- 0.004 0.024 +/- 0.004 3177500100019 SAMPLE (92-U-235,ENR=0.93) sample was prepared by 3177500100020 evaporation of 250 mg U3O8 in a benzene solution of 3177500100021 10 g of barium stearate. 3177500100022 ASSUMED (ASSUM,92-U-235(N,F)35-BR-87,DL,NU,,MXW) absolute 3177500100023 neutron yield of 87Br in the 235U thermal fission ussed3177500100024 to determine the counting efficiency. 3177500100025 METHOD (CHSEP,MASSP) 3177500100026 REL-REF (R,13097003,Wahl+,J,PR,126,1112,1962) Fractional yield.3177500100027 (R,,Katcoff+,J,NUC,18,201,1960) Mass yields data. 3177500100028 G.R. Keepin, Ch.4, Physics of Nuclear Kinetics, 3177500100029 Addison-Wesley, Mass. (1965): absolute neutron yield 3177500100030 of 87Br in the 235U thermal fission. 3177500100031 ERR-ANALYS (DATA-ERR) No information on sources of uncertainties. 3177500100032 STATUS (TABLE) Data from Table II. 3177500100033 HISTORY (20170704C) VS. 3177500100034 ENDBIB 32 0 3177500100035 COMMON 1 3 3177500100036 ASSUM 3177500100037 PER-CENT 3177500100038 0.06 3177500100039 ENDCOMMON 3 0 3177500100040 ENDSUBENT 39 0 3177500199999 SUBENT 31775002 20170704 31793177500200001 BIB 2 2 3177500200002 REACTION (36-KR-93(0,B-)37-RB-93,,PN) 3177500200003 DECAY-DATA (36-KR-93,1.19SEC) 3177500200004 ENDBIB 2 0 3177500200005 NOCOMMON 0 0 3177500200006 DATA 2 1 3177500200007 DATA DATA-ERR 3177500200008 NO-DIM NO-DIM 3177500200009 0.039 0.006 3177500200010 ENDDATA 3 0 3177500200011 ENDSUBENT 10 0 3177500299999 SUBENT 31775003 20170705 31793177500300001 BIB 2 2 3177500300002 REACTION (37-RB-93(0,B-)38-SR-93,,PN) 3177500300003 DECAY-DATA (37-RB-93,5.60SEC) 3177500300004 ENDBIB 2 0 3177500300005 NOCOMMON 0 0 3177500300006 DATA 2 1 3177500300007 DATA DATA-ERR 3177500300008 NO-DIM NO-DIM 3177500300009 0.026 0.004 3177500300010 ENDDATA 3 0 3177500300011 ENDSUBENT 10 0 3177500399999 ENDENTRY 3 0 3177599999999