ENTRY 23352 20171115 22682335200000001 SUBENT 23352001 20171115 22682335200100001 BIB 12 48 2335200100002 REFERENCE (J,ZP/A,287,45,1978) 2335200100003 AUTHOR (J.Crancon,C.Ristori,H.Ohm,W.Rudolph,K.-L.Kratz, 2335200100004 M.Asghar) 2335200100005 TITLE Half-lives and Pn values of delayed-neutron precursors 2335200100006 in the mass chains 85-87, 92, 135, 136 and 145 2335200100007 INSTITUTE (2FR GRE) J.Crancon,C.Ristori 2335200100008 (2GERMNZ) H.Ohm,W.Rudolph,K.-L.Kratz 2335200100009 (2FR ILL) M.Asghar 2335200100010 FACILITY (REAC,2FR ILL) Grenoble high flux reactor 2335200100011 Parabola-type recoil mass separator LOHENGRIN . 2335200100012 REL-REF (I,,E.Moll+,J,NIM,123,615,1975) 2335200100013 (I,,J.P.Gautheron,T,GAUTHERON,1974) 2335200100014 These de Docteur-Ingenier, Grenoble 2335200100015 Isotope separator LOHENGRIN details. 2335200100016 (I,23359001,M.Asghar+,J,JIN,37,1563,1975) 2335200100017 Neutron detector details 2335200100018 (M,23355001,M.Asghar+,J,NP/A,247,359,1975) 2335200100019 Method of analysis of neutron and beta H-curves. 2335200100020 INC-SOURCE (REAC) 2335200100021 DETECTOR (BF3) Neutron detector - 12 BF3 proportional counters 2335200100022 in a block of polyethylene 2335200100023 Neutron detection efficiency 9.7+-0.4 % , 2335200100024 its energy dependence variation < 10 % up to 2 MeV 2335200100025 neutron energy. 2335200100026 (SCIN) (0.95+-0.015)*4PI beta-detector consisting of 2 2335200100027 thin NE102 plastic scintillators viewed by two 154 AVP 2335200100028 photo-multipliers. 2335200100029 METHOD (OLMS) 2335200100030 PART-DET (DN,B) 2335200100031 ANALYSIS Three methods of analysis: 2335200100032 1 - analysis of neutron and beta H-curves for different2335200100033 decay chains to obtain the absolute activities; 2335200100034 Pn was determined as ratio of absolute neutron- 2335200100035 to beta-activity; the exp.geometry parameters of 2335200100036 H-curves were determined via the pure neutron H-curves 2335200100037 of masses 90 and 139, assuming only one neutron 2335200100038 component, Br-90 and I-139, respectively. 2335200100039 If H-curves were too complex : 2335200100040 2 - Pn was normalized to the known Pn of a nuclide in 2335200100041 the same mass chain. 2335200100042 3 - if the chain contains only one neutron-activity, 2335200100043 then Pn was determined by known Pn of another mass 2335200100044 chain via their fractional independent fission yields. 2335200100045 For 2 and 3 : 2335200100046 Br-90 and I-136 as reference nuclide using their 2335200100047 Pn and fractional yields - weighted average of several 2335200100048 measurements . 2335200100049 HISTORY (20171115C) M.M. 2335200100050 ENDBIB 48 0 2335200100051 NOCOMMON 0 0 2335200100052 ENDSUBENT 51 0 2335200199999 SUBENT 23352002 20171115 22682335200200001 BIB 8 17 2335200200002 REACTION (33-AS-85(0,B-)34-SE-85,,PN) 2335200200003 DECAY-DATA (33-AS-85,1.9SEC) 1.9+-0.1 sec measured 2335200200004 METHOD Four measurements using two different U-235 samples. 2335200200005 ANALYSIS Method 3, see Subent 001. 2335200200006 MONITOR ((MONIT1)(92-U-235(N,F)35-BR-90,IND,FY)/ 2335200200007 (92-U-235(N,F)MASS,CHN,FY)) for mass 90 2335200200008 ((MONIT3)35-BR-90(0,B-)36-KR-90,,PN) 2335200200009 ((MONIT5)(92-U-235(N,F)33-AS-85,IND,FY)/ 2335200200010 (92-U-235(N,F)MASS,CHN,FY)) For mass 85. 2335200200011 REL-REF (A,,L.Tomlinson+,J,AND,12,(2),179,1973) 2335200200012 22.+-5 % 2335200200013 (A,20521005,J.-V.Kratz+,J,JIN,35,1407,1973) 2335200200014 23+-3 % 2335200200015 ERR-ANALYS (DATA-ERR) Type of error is not explained in the 2335200200016 article. 2335200200017 STATUS (TABLE) Tables 2,3 of 2335200200018 J.Zeitschrift fuer Physik A,287,45,1978 2335200200019 ENDBIB 17 0 2335200200020 COMMON 4 3 2335200200021 MONIT1 MONIT1-ERR MONIT3 MONIT3-ERR 2335200200022 NO-DIM NO-DIM NO-DIM NO-DIM 2335200200023 0.102 0.009 0.210 0.024 2335200200024 ENDCOMMON 3 0 2335200200025 DATA 4 1 2335200200026 DATA DATA-ERR MONIT5 MONIT5-ERR 2335200200027 NO-DIM NO-DIM NO-DIM NO-DIM 2335200200028 0.22 0.08 0.12 0.01 2335200200029 ENDDATA 3 0 2335200200030 ENDSUBENT 29 0 2335200299999 SUBENT 23352003 20171115 22682335200300001 BIB 8 15 2335200300002 REACTION (33-AS-86(0,B-)34-SE-86,,PN) 2335200300003 DECAY-DATA (33-AS-86,0.9SEC) ~0.9 sec measured 2335200300004 METHOD Three measurements . 2335200300005 ANALYSIS Method 3, see Subent 001. 2335200300006 MONITOR ((MONIT1)(92-U-235(N,F)35-BR-90,IND,FY)/ 2335200300007 (92-U-235(N,F)MASS,CHN,FY)) for mass 90 2335200300008 ((MONIT3)35-BR-90(0,B-)36-KR-90,,PN) 2335200300009 ((MONIT5)(92-U-235(N,F)33-AS-86,IND,FY)/ 2335200300010 (92-U-235(N,F)MASS,CHN,FY)) For mass 86. 2335200300011 REL-REF (D,20521006,J.-V.Kratz+,J,JIN,35,1407,1973) 2335200300012 3.8 +1.7 -1.0 % 2335200300013 ERR-ANALYS (DATA-ERR) Type of error is not explained in the 2335200300014 article. 2335200300015 STATUS (TABLE) Tables 2,3 of 2335200300016 J.Zeitschrift fuer Physik A,287,45,1978 2335200300017 ENDBIB 15 0 2335200300018 COMMON 4 3 2335200300019 MONIT1 MONIT1-ERR MONIT3 MONIT3-ERR 2335200300020 NO-DIM NO-DIM NO-DIM NO-DIM 2335200300021 0.102 0.009 0.210 0.024 2335200300022 ENDCOMMON 3 0 2335200300023 DATA 4 1 2335200300024 DATA DATA-ERR MONIT5 MONIT5-ERR 2335200300025 NO-DIM NO-DIM NO-DIM NO-DIM 2335200300026 0.105 0.022 0.045 0.007 2335200300027 ENDDATA 3 0 2335200300028 ENDSUBENT 27 0 2335200399999 SUBENT 23352004 20171115 22682335200400001 BIB 8 17 2335200400002 REACTION (33-AS-87(0,B-)34-SE-87,,PN) 2335200400003 DECAY-DATA (33-AS-87,0.73SEC) measured 2335200400004 0.73+-0.06 sec ( in Table), 0.75+-0.06 sec(in text) 2335200400005 METHOD Two measurements using two different U-235 samples. 2335200400006 ANALYSIS Method 3, see Subent 001. 2335200400007 MONITOR ((MONIT1)(92-U-235(N,F)35-BR-90,IND,FY)/ 2335200400008 (92-U-235(N,F)MASS,CHN,FY)) for mass 90 2335200400009 ((MONIT3)35-BR-90(0,B-)36-KR-90,,PN) 2335200400010 ((MONIT5)(92-U-235(N,F)33-AS-87,IND,FY)/ 2335200400011 (92-U-235(N,F)MASS,CHN,FY)) For mass 87. 2335200400012 REL-REF (A,,K.-L.Kratz+,J,ZP,263,435,1973) 2335200400013 (A,,W.Rudolph+,J,ZP/A,281,269,1977) 2335200400014 Pn systematics estimate 25+-10 % . 2335200400015 ERR-ANALYS (DATA-ERR) Type of error is not explained in the 2335200400016 article. 2335200400017 STATUS (TABLE) Tables 2,3 of 2335200400018 J.Zeitschrift fuer Physik A,287,45,1978 2335200400019 ENDBIB 17 0 2335200400020 COMMON 4 3 2335200400021 MONIT1 MONIT1-ERR MONIT3 MONIT3-ERR 2335200400022 NO-DIM NO-DIM NO-DIM NO-DIM 2335200400023 0.102 0.009 0.210 0.024 2335200400024 ENDCOMMON 3 0 2335200400025 DATA 4 1 2335200400026 DATA DATA-ERR MONIT5 MONIT5-ERR 2335200400027 NO-DIM NO-DIM NO-DIM NO-DIM 2335200400028 0.44 0.14 0.0158 0.005 2335200400029 ENDDATA 3 0 2335200400030 ENDSUBENT 29 0 2335200499999 SUBENT 23352005 20171115 22682335200500001 BIB 7 16 2335200500002 REACTION (35-BR-92(0,B-)36-KR-92,,PN) 2335200500003 DECAY-DATA (35-BR-92,0.35SEC) 0.35+-0.04 sec measured 2335200500004 ANALYSIS Method 3, see Subent 001. 2335200500005 MONITOR ((MONIT1)(92-U-235(N,F)35-BR-90,IND,FY)/ 2335200500006 (92-U-235(N,F)MASS,CHN,FY)) for mass 90 2335200500007 ((MONIT3)35-BR-90(0,B-)36-KR-90,,PN) 2335200500008 ((MONIT5)(92-U-235(N,F)35-BR-92,IND,FY)/ 2335200500009 (92-U-235(N,F)MASS,CHN,FY)) For mass 92. 2335200500010 REL-REF (A,23358012,K.-L.Kratz+,J,NP/A,229,179,1974) 2335200500011 16+-7 % 2335200500012 (A,21058011,K.-L.Kratz+,R,MAINZ-77,1977) Annual report 2335200500013 24.5+-10.2 % 2335200500014 ERR-ANALYS (DATA-ERR) Type of error is not explained in the 2335200500015 article. 2335200500016 STATUS (TABLE) Tables 2,3 of 2335200500017 J.Zeitschrift fuer Physik A,287,45,1978 2335200500018 ENDBIB 16 0 2335200500019 COMMON 4 3 2335200500020 MONIT1 MONIT1-ERR MONIT3 MONIT3-ERR 2335200500021 NO-DIM NO-DIM NO-DIM NO-DIM 2335200500022 0.102 0.009 0.210 0.024 2335200500023 ENDCOMMON 3 0 2335200500024 DATA 4 1 2335200500025 DATA DATA-ERR MONIT5 MONIT5-ERR 2335200500026 NO-DIM NO-DIM NO-DIM NO-DIM 2335200500027 0.21 0.08 0.0158 0.005 2335200500028 ENDDATA 3 0 2335200500029 ENDSUBENT 28 0 2335200599999 SUBENT 23352006 20171115 22682335200600001 BIB 7 16 2335200600002 REACTION (51-SB-135(0,B-)52-TE-135,,PN) 2335200600003 DECAY-DATA (51-SB-135,1.60SEC) 1.60+-0.15 sec measured 2335200600004 ANALYSIS Methods 1 and 3, see Subent 001. 2335200600005 ASSUMED (ASSUM2,(92-U-235(N,F)53-I-139,IND,FY)/ 2335200600006 (92-U-235(N,F)MASS,CHN,FY)) for mass 139 2335200600007 (ASSUM4,53-I-139(0,B-)54-XE-139,,PN) 2335200600008 (ASSUM5,(92-U-235(N,F)51-SB-135,IND,FY)/ 2335200600009 (92-U-235(N,F)MASS,CHN,FY)) For mass 135. 2335200600010 REL-REF (D,,L.Tomlinson+,J,AND,12,(2),179,1973) 2335200600011 8+-2 % 2335200600012 (D,20879009,W.Rudolph+,J,JIN,39,753,1977) 2335200600013 19.9+-2.1 % 2335200600014 ERR-ANALYS (DATA-ERR) Type of error is not explained in the 2335200600015 article. 2335200600016 STATUS (TABLE) Tables 2,3 of 2335200600017 J.Zeitschrift fuer Physik A,287,45,1978 2335200600018 ENDBIB 16 0 2335200600019 COMMON 4 3 2335200600020 ASSUM2 ASSUM2-ERR ASSUM4 ASSUM4-ERR 2335200600021 NO-DIM NO-DIM NO-DIM NO-DIM 2335200600022 0.081 0.018 0.106 0.014 2335200600023 ENDCOMMON 3 0 2335200600024 DATA 4 1 2335200600025 DATA DATA-ERR ASSUM5 ASSUM5-ERR 2335200600026 NO-DIM NO-DIM NO-DIM NO-DIM 2335200600027 0.14 0.01 0.023 0.001 2335200600028 ENDDATA 3 0 2335200600029 ENDSUBENT 28 0 2335200699999 SUBENT 23352007 20171115 22682335200700001 BIB 7 14 2335200700002 REACTION (51-SB-136(0,B-)52-TE-136,,PN) 2335200700003 DECAY-DATA (51-SB-136,0.9SEC) 0.9+-0.1 sec measured 2335200700004 ANALYSIS Method 3, see Subent 001. 2335200700005 MONITOR ((MONIT2)(92-U-235(N,F)53-I-139,IND,FY)/ 2335200700006 (92-U-235(N,F)MASS,CHN,FY)) for mass 139 2335200700007 ((MONIT4)53-I-139(0,B-)54-XE-139,,PN) 2335200700008 ((MONIT5)(92-U-235(N,F)51-SB-136,IND,FY)/ 2335200700009 (92-U-235(N,F)MASS,CHN,FY)) For mass 136. 2335200700010 REL-REF (A,20879010,W.Rudolph+,J,JIN,39,753,1977) 2335200700011 32.+-14. % 2335200700012 ERR-ANALYS (DATA-ERR) Type of error is not explained in the 2335200700013 article. 2335200700014 STATUS (TABLE) Tables 2,3 of 2335200700015 J.Zeitschrift fuer Physik A,287,45,1978 2335200700016 ENDBIB 14 0 2335200700017 COMMON 4 3 2335200700018 MONIT2 MONIT2-ERR MONIT4 MONIT4-ERR 2335200700019 NO-DIM NO-DIM NO-DIM NO-DIM 2335200700020 0.081 0.018 0.106 0.014 2335200700021 ENDCOMMON 3 0 2335200700022 DATA 4 1 2335200700023 DATA DATA-ERR MONIT5 MONIT5-ERR 2335200700024 NO-DIM NO-DIM NO-DIM NO-DIM 2335200700025 0.19 0.09 0.0028 0.0013 2335200700026 ENDDATA 3 0 2335200700027 ENDSUBENT 26 0 2335200799999 SUBENT 23352008 20171115 22682335200800001 BIB 7 14 2335200800002 REACTION (52-TE-136(0,B-)53-I-136,,PN) 2335200800003 DECAY-DATA (52-TE-136,17.5SEC) 17.5+-0.2 sec measured 2335200800004 ANALYSIS Method 2, see Subent 001. 2335200800005 ASSUMED (ASSUM2,(92-U-235(N,F)53-I-139,IND,FY)/ 2335200800006 (92-U-235(N,F)MASS,CHN,FY)) for mass 139 2335200800007 (ASSUM4,53-I-139(0,B-)54-XE-139,,PN) 2335200800008 REL-REF (D,,L.Tomlinson+,J,AND,12,(2),179,1973) 2335200800009 ~0.5 % 2335200800010 (A,20879011,W.Rudolph+,J,JIN,39,753,1977) 2335200800011 0.7+-0.4 % 2335200800012 ERR-ANALYS (DATA-ERR) Type of error is not explained in the 2335200800013 article. 2335200800014 STATUS (TABLE) Tables 2,3 of 2335200800015 J.Zeitschrift fuer Physik A,287,45,1978 2335200800016 ENDBIB 14 0 2335200800017 COMMON 4 3 2335200800018 ASSUM2 ASSUM2-ERR ASSUM4 ASSUM4-ERR 2335200800019 NO-DIM NO-DIM NO-DIM NO-DIM 2335200800020 0.081 0.018 0.106 0.014 2335200800021 ENDCOMMON 3 0 2335200800022 DATA 2 1 2335200800023 DATA DATA-ERR 2335200800024 NO-DIM NO-DIM 2335200800025 0.020 0.010 2335200800026 ENDDATA 3 0 2335200800027 ENDSUBENT 26 0 2335200899999 SUBENT 23352009 20171115 22682335200900001 BIB 7 19 2335200900002 REACTION (55-CS-145(0,B-)56-BA-145,,PN) 2335200900003 DECAY-DATA (55-CS-145,0.6SEC) ~0.6 sec measured 2335200900004 ANALYSIS Method 3, see Subent 001. 2335200900005 MONITOR ((MONIT2)(92-U-235(N,F)53-I-139,IND,FY)/ 2335200900006 (92-U-235(N,F)MASS,CHN,FY)) for mass 139 2335200900007 ((MONIT4)53-I-139(0,B-)54-XE-139,,PN) 2335200900008 ((MONIT5)(92-U-235(N,F)55-CS-145,IND,FY)/ 2335200900009 (92-U-235(N,F)MASS,CHN,FY)) For mass 145. 2335200900010 REL-REF (A,23361008,E.Roeckl+,J,NP/A,222,621,1974) 2335200900011 12.1+-1.4 % 2335200900012 A,,C.Ristori+,Annex to Annual Report ILL 1976, 2335200900013 03-01-018 AO, p.29, 1977 . 2335200900014 12.2+-0.9 % 2335200900015 (D,,P.L.Reeder+,J,PR/C,15,2108,1977) 2335200900016 21.8+-1.5 % 2335200900017 ERR-ANALYS (DATA-ERR) Type of error is not explained in the 2335200900018 article. 2335200900019 STATUS (TABLE) Tables 2,3 of 2335200900020 J.Zeitschrift fuer Physik A,287,45,1978 2335200900021 ENDBIB 19 0 2335200900022 COMMON 4 3 2335200900023 MONIT2 MONIT2-ERR MONIT4 MONIT4-ERR 2335200900024 NO-DIM NO-DIM NO-DIM NO-DIM 2335200900025 0.081 0.018 0.106 0.014 2335200900026 ENDCOMMON 3 0 2335200900027 DATA 4 1 2335200900028 DATA DATA-ERR MONIT5 MONIT5-ERR 2335200900029 NO-DIM NO-DIM NO-DIM NO-DIM 2335200900030 0.125 0.030 0.0226 0.003 2335200900031 ENDDATA 3 0 2335200900032 ENDSUBENT 31 0 2335200999999 ENDENTRY 9 0 2335299999999