ENTRY 23359 20171113 22682335900000001 SUBENT 23359001 20171113 22682335900100001 BIB 13 77 2335900100002 REFERENCE (J,JIN,37,1563,1975) 2335900100003 AUTHOR (M.Asghar,J.Crancon,J.P.Gautheron,C.Ristori) 2335900100004 TITLE Delayed neutron emission probabilities of 2335900100005 92,93Kr, 92,93Rb, 141,142Xe and 141,142Cs precursors 2335900100006 INSTITUTE (2FR GRE) Department de Recherche Fondamentale, 2335900100007 C.E.N., Grenoble, France. 2335900100008 FACILITY (REAC,2FR GRE) On-line isotope separator ARIEL at the 2335900100009 Melusine reactor ( 8 MW ) at Centre d'Etudes 2335900100010 Nucleaires of Grenoble. 2335900100011 REL-REF (I,,J.P.Bocquet+,J,NIM,88,51,1970) 2335900100012 Isotope separator details. 2335900100013 INC-SOURCE (REAC) 2335900100014 INC-SPECT Neutron flux 3.E+8 n/cm2/sec. 2335900100015 SAMPLE 10g of UO(2) powder (U235 enrichment 93.%) mixed with 2335900100016 30 g of Ba stearate. 2335900100017 METHOD (OLMS) Produced Kr and Xe were transported as 2335900100018 molecular flow through a transport line (19mm diameter,2335900100019 ~1m long) to the ion source of the separator. After 2335900100020 ionization the desired mass activity ( ~1 to 8 2335900100021 microCurie was brought out of separator and collected 2335900100022 on 3.0cm Al-tape ( 70 mu thick), which was moved to 2335900100023 the center of beta-counter. 2335900100024 Exp.conditions: 2335900100025 Mass 92 93 141 142 2335900100026 neutrons 2335900100027 Time channel width,sec 0.1 0.1 0.4 0.1 2335900100028 Number of channels 400 400 400 400 2335900100029 Irradiation time,sec 50 50 243 25 2335900100030 Total counting time,sec 27 17 24 36 2335900100031 betas 2335900100032 Irradiation time,sec 50 50 243 25 2335900100033 Transfer and delay,sec 18 8 70 8 2335900100034 Counting time,sec 2 2 1 2 2335900100035 Time channel width,sec 0.5 0.5 0.5 0.5 2335900100036 Number of channels,first 200 200 100 100 2335900100037 Time channel width,sec 5 5 5 5 2335900100038 Number of channels,last 200 200 300 300 2335900100039 DETECTOR (SCIN) Two 1-mm-thick NE102 plastic scintillators, 2335900100040 viewed by two 154 AVP photomultipliers. 2335900100041 As 4PI-beta-detector . 2335900100042 (BF3) Neutron detector - 12 BF3 (2.5cm diameter, 30cm 2335900100043 long) proportional counters in a block of polyethylene 2335900100044 (44cm diameter, 50cm long). 2335900100045 Neutron detection efficiency 15.8+-0.6 % was determined2335900100046 by an Am-Li ( En ~400keV) source (neutron source 2335900100047 strength uncertainty 3%). 2335900100048 The neutron multiscaling was started a fixed time 2335900100049 before the deflection of the ion beam ~4m away from 2335900100050 the point of irradiation. 2335900100051 CORRECTION - Beta activity corrections: 2335900100052 Solid angle - 95.5+-1.% of 4PI 2335900100053 Mass 92 93 141 142 2335900100054 Detector threshold,% 0.7 0.6 1. 0.9 2335900100055 Contaminating masses and 90 91 140 140 2335900100056 91 92 141 2335900100057 multiplicative correction 2335900100058 factor with 0.735 0.865 0.553 0.154 2335900100059 error, % 3. 5. 2. 7. 2335900100060 Beta absorption in tape and window,% - 1.+-0.1 2335900100061 Prompt and delayed conversion electrons and gammas,% - 2335900100062 < or = 0.6 2335900100063 Corrected beta activity at t=0 for mass : 2335900100064 92 - 205332.5 +- 3.2%, 93 - 29768.5 +- 5.1%, 2335900100065 141 - 64751 +- 2.2%, 142 - 6462.4 +- 7.1% . 2335900100066 - Neutron activities corrections: 2335900100067 photo-neutrons -0.14 % ; 2335900100068 Mass 92 93 141 142 2335900100069 Contaminating mass and 93 92 142 141 2335900100070 multiplicative correction 2335900100071 factor with 0.81 0.98 0.95 0.97 2335900100072 error, % 5. 1. 1. 1. 2335900100073 Corrected neutron 2335900100074 activity at t=0 and 91.83 919.71 64.78 48.88 2335900100075 its error,% 6.4 4.1 4.1 4.1 2335900100076 Total isobaric emission,% and 0.044 3.09 0.100 0.691 2335900100077 its relative error,% 8. 7. 5.5 9. 2335900100078 HISTORY (20171113C) M.M. 2335900100079 ENDBIB 77 0 2335900100080 NOCOMMON 0 0 2335900100081 ENDSUBENT 80 0 2335900199999 SUBENT 23359002 20171113 22682335900200001 BIB 5 7 2335900200002 REACTION (37-RB-92(0,B-)38-SR-92,,PN) 2335900200003 DECAY-DATA (37-RB-92,4.48SEC) 4.48+-0.02 sec 2335900200004 REL-REF (A,,W.L.Talbert Jr+,J,PR,177,1805,1969) 2335900200005 0.012+-0.004 % 2335900200006 ERR-ANALYS (DATA-ERR) Type of error is not explained in the 2335900200007 article. 2335900200008 STATUS (TABLE) Table 5 of J.Inorg.Nucl.Chem.,37,1563,1975 2335900200009 ENDBIB 7 0 2335900200010 NOCOMMON 0 0 2335900200011 DATA 2 1 2335900200012 DATA DATA-ERR 2335900200013 NO-DIM NO-DIM 2335900200014 0.000125 0.000015 2335900200015 ENDDATA 3 0 2335900200016 ENDSUBENT 15 0 2335900299999 SUBENT 23359003 20171113 22682335900300001 BIB 5 8 2335900300002 REACTION (36-KR-92(0,B-)37-RB-92,,PN) 2335900300003 DECAY-DATA (37-RB-92,4.48SEC) 4.48+-0.02 sec 2335900300004 (36-KR-92,1.86SEC) 1.86+-0.01 sec 2335900300005 REL-REF (A,,W.L.Talbert Jr+,J,PR,177,1805,1969) 2335900300006 0.04+-0.007 % 2335900300007 ERR-ANALYS (DATA-ERR) Type of error is not explained in the 2335900300008 article. 2335900300009 STATUS (TABLE) Table 5 of J.Inorg.Nucl.Chem.,37,1563,1975 2335900300010 ENDBIB 8 0 2335900300011 NOCOMMON 0 0 2335900300012 DATA 2 1 2335900300013 DATA DATA-ERR 2335900300014 NO-DIM NO-DIM 2335900300015 0.000323 0.000026 2335900300016 ENDDATA 3 0 2335900300017 ENDSUBENT 16 0 2335900399999 SUBENT 23359004 20171113 22682335900400001 BIB 5 15 2335900400002 REACTION (37-RB-93(0,B-)38-SR-93,,PN) 2335900400003 DECAY-DATA (37-RB-93,5.86SEC) 5.86+-0.13 sec 2335900400004 REL-REF (D,,S.Amiel+,C,67VIENNA,,115,1967) Published at 1968 2335900400005 2.6+-0.4 % 2335900400006 (A,23360003,I.Amarel+,J,JIN,31,577,1969) 2335900400007 1.43+-0.18 % 2335900400008 (D,,W.L.Talbert Jr+,J,PR,177,1805,1969) 2335900400009 1.59+-0.29 % 2335900400010 (D,23357014,H.D.Schuessler+,J,RCA,18,123,1972) 2335900400011 2.1+-0.6 2335900400012 (A,23361002,E.Roeckl+,J,NP/A,222,621,1974) 2335900400013 1.24+-0.14 % 2335900400014 ERR-ANALYS (DATA-ERR) Type of error is not explained in the 2335900400015 article. 2335900400016 STATUS (TABLE) Table 5 of J.Inorg.Nucl.Chem.,37,1563,1975 2335900400017 ENDBIB 15 0 2335900400018 NOCOMMON 0 0 2335900400019 DATA 2 1 2335900400020 DATA DATA-ERR 2335900400021 NO-DIM NO-DIM 2335900400022 0.01164 0.00081 2335900400023 ENDDATA 3 0 2335900400024 ENDSUBENT 23 0 2335900499999 SUBENT 23359005 20171113 22682335900500001 BIB 5 10 2335900500002 REACTION (36-KR-93(0,B-)37-RB-93,,PN) 2335900500003 DECAY-DATA (37-RB-93,5.86SEC) 5.86+-0.13 sec 2335900500004 (36-KR-93,1.29SEC) 1.29+-0.01 sec 2335900500005 REL-REF (D,,S.Amiel+,C,67VIENNA,,115,1967) Published at 1968 2335900500006 3.9+-0.6 % 2335900500007 (A,,W.L.Talbert Jr+,J,PR,177,1805,1969) 2335900500008 2.66+-0.51 % 2335900500009 ERR-ANALYS (DATA-ERR) Type of error is not explained in the 2335900500010 article. 2335900500011 STATUS (TABLE) Table 5 of J.Inorg.Nucl.Chem.,37,1563,1975 2335900500012 ENDBIB 10 0 2335900500013 NOCOMMON 0 0 2335900500014 DATA 2 1 2335900500015 DATA DATA-ERR 2335900500016 NO-DIM NO-DIM 2335900500017 0.0192 0.0014 2335900500018 ENDDATA 3 0 2335900500019 ENDSUBENT 18 0 2335900599999 SUBENT 23359006 20171113 22682335900600001 BIB 5 7 2335900600002 REACTION (55-CS-141(0,B-)56-BA-141,,PN) 2335900600003 DECAY-DATA (55-CS-141,24.9SEC) 24.9+-0.2 sec 2335900600004 REL-REF (D,,W.L.Talbert Jr+,J,PR,177,1805,1969) 2335900600005 0.073+-0.011 % 2335900600006 ERR-ANALYS (DATA-ERR) Type of error is not explained in the 2335900600007 article. 2335900600008 STATUS (TABLE) Table 5 of J.Inorg.Nucl.Chem.,37,1563,1975 2335900600009 ENDBIB 7 0 2335900600010 NOCOMMON 0 0 2335900600011 DATA 2 1 2335900600012 DATA DATA-ERR 2335900600013 NO-DIM NO-DIM 2335900600014 0.000529 0.000029 2335900600015 ENDDATA 3 0 2335900600016 ENDSUBENT 15 0 2335900699999 SUBENT 23359007 20171113 22682335900700001 BIB 5 8 2335900700002 REACTION (54-XE-141(0,B-)55-CS-141,,PN) 2335900700003 DECAY-DATA (55-CS-141,24.9SEC) 24.9+-0.2 sec 2335900700004 (54-XE-141,1.73SEC) 1.73+-0.01 sec 2335900700005 REL-REF (D,,W.L.Talbert Jr+,J,PR,177,1805,1969) 2335900700006 0.054+-0.009 % 2335900700007 ERR-ANALYS (DATA-ERR) Type of error is not explained in the 2335900700008 article. 2335900700009 STATUS (TABLE) Table 5 of J.Inorg.Nucl.Chem.,37,1563,1975 2335900700010 ENDBIB 8 0 2335900700011 NOCOMMON 0 0 2335900700012 DATA 2 1 2335900700013 DATA DATA-ERR 2335900700014 NO-DIM NO-DIM 2335900700015 0.000426 0.000023 2335900700016 ENDDATA 3 0 2335900700017 ENDSUBENT 16 0 2335900799999 SUBENT 23359008 20171113 22682335900800001 BIB 5 7 2335900800002 REACTION (55-CS-142(0,B-)56-BA-142,,PN) 2335900800003 DECAY-DATA (55-CS-142,1.68SEC) 1.68+-0.02 sec 2335900800004 REL-REF (A,,W.L.Talbert Jr+,J,PR,177,1805,1969) 2335900800005 0.27+-0.06 % 2335900800006 ERR-ANALYS (DATA-ERR) Type of error is not explained in the 2335900800007 article. 2335900800008 STATUS (TABLE) Table 5 of J.Inorg.Nucl.Chem.,37,1563,1975 2335900800009 ENDBIB 7 0 2335900800010 NOCOMMON 0 0 2335900800011 DATA 2 1 2335900800012 DATA DATA-ERR 2335900800013 NO-DIM NO-DIM 2335900800014 0.00285 0.00026 2335900800015 ENDDATA 3 0 2335900800016 ENDSUBENT 15 0 2335900899999 SUBENT 23359009 20171113 22682335900900001 BIB 5 8 2335900900002 REACTION (54-XE-142(0,B-)55-CS-142,,PN) 2335900900003 DECAY-DATA (55-CS-142,1.68SEC) 1.68+-0.02 sec 2335900900004 (54-XE-142,1.24SEC) 1.24+-0.02 sec 2335900900005 REL-REF (A,,W.L.Talbert Jr+,J,PR,177,1805,1969) 2335900900006 0.45+-0.09 % 2335900900007 ERR-ANALYS (DATA-ERR) Type of error is not explained in the 2335900900008 article. 2335900900009 STATUS (TABLE) Table 5 of J.Inorg.Nucl.Chem.,37,1563,1975 2335900900010 ENDBIB 8 0 2335900900011 NOCOMMON 0 0 2335900900012 DATA 2 1 2335900900013 DATA DATA-ERR 2335900900014 NO-DIM NO-DIM 2335900900015 0.00406 0.00034 2335900900016 ENDDATA 3 0 2335900900017 ENDSUBENT 16 0 2335900999999 ENDENTRY 9 0 2335999999999