ENTRY 14828 20240621 1482800000001 SUBENT 14828001 20240621 20250110 1482800100001 BIB 12 56 1482800100002 TITLE Delayed-neutron emission probabilities of separated 1482800100003 isotopes of Br, Rb, I, and C 1482800100004 AUTHOR (P.L.Reeder,J.F.Wright,L.J.Alquist) 1482800100005 REFERENCE (J,PR/C,15,2108,1977) 1482800100006 #doi:10.1103/PhysRevC.15.2108 1482800100007 REL-REF (I,,P.L.Reeder+,J,PR/C,15,2098,1977) Large 1482800100008 polyethylene-moderated neutron counter. 1482800100009 INSTITUTE (1USABNW) 1482800100010 FACILITY (OLMS,1USABNW) The online mass spectrometer facility 1482800100011 SOLAR. 1482800100012 DETECTOR (HE3SP) The neutron counter consisted of 42 3He 1482800100013 counter tubes arranged in three concentric rings in a 1482800100014 large block of polyethylene. 1482800100015 METHOD (OLMS,COINC) The primary method A used in this work 1482800100016 is a direct technique based on simultaneous 1482800100017 determination of the total number of neutrons and the 1482800100018 total number of precursor nuclei from mass separated 1482800100019 samples. The absolute value of Pn depends critically 1482800100020 on the neutron counter efficiency and the ion 1482800100021 counting efficiency. A secondary method B of 1482800100022 determining Pn was also employed in some of the 1482800100023 experiments. This method was based on an equivalent 1482800100024 definition of Pn as the ratio of saturation neutron 1482800100025 activity Asat(n) to saturation beta activity 1482800100026 Asat(beta). 1482800100027 ANALYSIS (DECAY) For method B, the delayed-neutron decay 1482800100028 curves were analyzed by a least squares computer code 1482800100029 CLSQ into to components - one with the half-life of 1482800100030 the delayed-neutron precursor and one with an 1482800100031 infinite half-life for the background. Delayed- 1482800100032 neutron emission probabilities (%) from SOLAR 1482800100033 experiments were based on weighted average of methods 1482800100034 A and B. 1482800100035 ERR-ANALYS (DATA-ERR) The uncertainties shown with the SOLAR 1482800100036 data are dominated by the approximately 7% 1482800100037 uncertainty in the neutron counter efficiencies. The 1482800100038 statistical uncertainties in the counting data were 1482800100039 usually less than 2%. 1482800100040 (ERR-S,,2.) Statistical uncertainties. 1482800100041 (ERR-SYS) Neutron counter efficiency. 1482800100042 CORRECTION The half-lives are long compared to the cycle time of 1482800100043 the pulsed beam experiments so it is necessary to 1482800100044 make corrections for buildup from cycle to cycle 1482800100045 (multiple pulsing correction). The energy dependence 1482800100046 of the neutron counter was thoroughly investigated 1482800100047 with photoneutron sources and corrections to the 1482800100048 efficiencies have been made to account for the 1482800100049 delayed-neutron spectra. Corrections were made for 1482800100050 buildup of beta activity in the electron multiplier. 1482800100051 Background peaks due to stable ions were present at 1482800100052 masses 87-89 for which corrections to the precursor 1482800100053 ion count rate had to be made. Typical corrections 1482800100054 amounted to 23% at mass 87, 5% at mass 88, and 8% at 1482800100055 mass 89. No corrections were needed for the I 1482800100056 precursors. 1482800100057 HISTORY (20240621C) BP 1482800100058 ENDBIB 56 0 1482800100059 COMMON 1 3 1482800100060 ERR-SYS 1482800100061 PER-CENT 1482800100062 7.0 1482800100063 ENDCOMMON 3 0 1482800100064 ENDSUBENT 63 0 1482800199999 SUBENT 14828002 20240621 20250110 1482800200001 BIB 3 6 1482800200002 REACTION (35-BR-87(0,B-)36-KR-87,,PN) 1482800200003 REL-REF (A,,K.L.Kratz+,J,NP/A,229,179,1974) 1482800200004 (A,,Izak-Biran+,J,NSE,57,117,1975) 1482800200005 (A,,Tomlinson,J,AND,12,179,1973) 1482800200006 STATUS (TABLE,,P.L.Reeder+,J,PR/C,15,2108,1977) 1482800200007 Table III, page 2114 of J,PR/C,15,2108,1977. 1482800200008 ENDBIB 6 0 1482800200009 NOCOMMON 0 0 1482800200010 DATA 2 1 1482800200011 DATA DATA-ERR 1482800200012 NO-DIM NO-DIM 1482800200013 0.025 0.003 1482800200014 ENDDATA 3 0 1482800200015 ENDSUBENT 14 0 1482800299999 SUBENT 14828003 20240621 20250110 1482800300001 BIB 3 6 1482800300002 REACTION (35-BR-88(0,B-)36-KR-88,,PN) 1482800300003 REL-REF (A,,K.L.Kratz+,J,NP/A,229,179,1974) 1482800300004 (A,,Izak-Biran+,J,NSE,57,117,1975) 1482800300005 (A,,Tomlinson,J,AND,12,179,1973) 1482800300006 STATUS (TABLE,,P.L.Reeder+,J,PR/C,15,2108,1977) 1482800300007 Table III, page 2114 of J,PR/C,15,2108,1977. 1482800300008 ENDBIB 6 0 1482800300009 NOCOMMON 0 0 1482800300010 DATA 2 1 1482800300011 DATA DATA-ERR 1482800300012 NO-DIM NO-DIM 1482800300013 0.074 0.005 1482800300014 ENDDATA 3 0 1482800300015 ENDSUBENT 14 0 1482800399999 SUBENT 14828004 20240621 20250110 1482800400001 BIB 3 6 1482800400002 REACTION (35-BR-89(0,B-)36-KR-89,,PN) 1482800400003 REL-REF (A,,K.L.Kratz+,J,NP/A,229,179,1974) 1482800400004 (A,,Izak-Biran+,J,NSE,57,117,1975) 1482800400005 (A,,Tomlinson,J,AND,12,179,1973) 1482800400006 STATUS (TABLE,,P.L.Reeder+,J,PR/C,15,2108,1977) 1482800400007 Table III, page 2114 of J,PR/C,15,2108,1977. 1482800400008 ENDBIB 6 0 1482800400009 NOCOMMON 0 0 1482800400010 DATA 2 1 1482800400011 DATA DATA-ERR 1482800400012 NO-DIM NO-DIM 1482800400013 0.169 0.017 1482800400014 ENDDATA 3 0 1482800400015 ENDSUBENT 14 0 1482800499999 SUBENT 14828005 20240621 20250110 1482800500001 BIB 4 10 1482800500002 REACTION (37-RB-92(0,B-)38-SR-92,,PN) 1482800500003 DECAY-DATA (37-RB-92,4.54SEC) SOLAR (beta). 1482800500004 REL-REF (A,23361001,E.Roeckl+,J,NP/A,222,621,1974) 1482800500005 (A,23359001,M.Asghar+,J,JIN,37,1563,1975) 1482800500006 (A,23355001,M.Asghar+,J,NP/A,247,359,1975) 1482800500007 (A,,Izak-Biran+,J,NSE,57,117,1975) 1482800500008 (A,,Gunther+,J,NP/A,242,56,1975) 1482800500009 (A,,Tomlinson,J,AND,12,179,1973) 1482800500010 STATUS (TABLE,,P.L.Reeder+,J,PR/C,15,2108,1977) 1482800500011 Table III, page 2114 of J,PR/C,15,2108,1977. 1482800500012 ENDBIB 10 0 1482800500013 NOCOMMON 0 0 1482800500014 DATA 2 1 1482800500015 DATA DATA-ERR 1482800500016 NO-DIM NO-DIM 1482800500017 0.00012 0.00002 1482800500018 ENDDATA 3 0 1482800500019 ENDSUBENT 18 0 1482800599999 SUBENT 14828006 20240621 20250110 1482800600001 BIB 4 11 1482800600002 REACTION (37-RB-93(0,B-)38-SR-93,,PN) 1482800600003 REL-REF (A,23361001,E.Roeckl+,J,NP/A,222,621,1974) 1482800600004 (A,23359001,M.Asghar+,J,JIN,37,1563,1975) 1482800600005 (A,23355001,M.Asghar+,J,NP/A,247,359,1975) 1482800600006 (A,,Izak-Biran+,J,NSE,57,117,1975) 1482800600007 (A,,Gunther+,J,NP/A,242,56,1975) 1482800600008 (A,,Tomlinson,J,AND,12,179,1973) 1482800600009 DECAY-DATA (37-RB-93,6.12SEC) SOLAR (beta). 1482800600010 (37-RB-93,5.82SEC) SOLAR (n). 1482800600011 STATUS (TABLE,,P.L.Reeder+,J,PR/C,15,2108,1977) 1482800600012 Table III, page 2114 of J,PR/C,15,2108,1977. 1482800600013 ENDBIB 11 0 1482800600014 NOCOMMON 0 0 1482800600015 DATA 2 1 1482800600016 DATA DATA-ERR 1482800600017 NO-DIM NO-DIM 1482800600018 0.0186 0.0013 1482800600019 ENDDATA 3 0 1482800600020 ENDSUBENT 19 0 1482800699999 SUBENT 14828007 20240621 20250110 1482800700001 BIB 4 11 1482800700002 REACTION (37-RB-94(0,B-)38-SR-94,,PN) 1482800700003 REL-REF (A,23361001,E.Roeckl+,J,NP/A,222,621,1974) 1482800700004 (A,23359001,M.Asghar+,J,JIN,37,1563,1975) 1482800700005 (A,23355001,M.Asghar+,J,NP/A,247,359,1975) 1482800700006 (A,,Izak-Biran+,J,NSE,57,117,1975) 1482800700007 (A,,Gunther+,J,NP/A,242,56,1975) 1482800700008 (A,,Tomlinson,J,AND,12,179,1973) 1482800700009 DECAY-DATA (37-RB-94,2.83SEC) SOLAR (beta). 1482800700010 (37-RB-94,2.73SEC) SOLAR (n). 1482800700011 STATUS (TABLE,,P.L.Reeder+,J,PR/C,15,2108,1977) 1482800700012 Table III, page 2114 of J,PR/C,15,2108,1977. 1482800700013 ENDBIB 11 0 1482800700014 NOCOMMON 0 0 1482800700015 DATA 2 1 1482800700016 DATA DATA-ERR 1482800700017 NO-DIM NO-DIM 1482800700018 0.137 0.010 1482800700019 ENDDATA 3 0 1482800700020 ENDSUBENT 19 0 1482800799999 SUBENT 14828008 20240621 20250110 1482800800001 BIB 4 11 1482800800002 REACTION (37-RB-95(0,B-)38-SR-95,,PN) 1482800800003 REL-REF (A,23361001,E.Roeckl+,J,NP/A,222,621,1974) 1482800800004 (A,23359001,M.Asghar+,J,JIN,37,1563,1975) 1482800800005 (A,23355001,M.Asghar+,J,NP/A,247,359,1975) 1482800800006 (A,,Izak-Biran+,J,NSE,57,117,1975) 1482800800007 (A,,Gunther+,J,NP/A,242,56,1975) 1482800800008 (A,,Tomlinson,J,AND,12,179,1973) 1482800800009 DECAY-DATA (37-RB-95,0.377SEC) SOLAR (beta). 1482800800010 (37-RB-95,0.369SEC) SOLAR (n). 1482800800011 STATUS (TABLE,,P.L.Reeder+,J,PR/C,15,2108,1977) 1482800800012 Table III, page 2114 of J,PR/C,15,2108,1977. 1482800800013 ENDBIB 11 0 1482800800014 NOCOMMON 0 0 1482800800015 DATA 2 1 1482800800016 DATA DATA-ERR 1482800800017 NO-DIM NO-DIM 1482800800018 0.110 0.008 1482800800019 ENDDATA 3 0 1482800800020 ENDSUBENT 19 0 1482800899999 SUBENT 14828009 20240621 20250110 1482800900001 BIB 4 11 1482800900002 REACTION (37-RB-96(0,B-)38-SR-96,,PN) 1482800900003 REL-REF (A,23361001,E.Roeckl+,J,NP/A,222,621,1974) 1482800900004 (A,23359001,M.Asghar+,J,JIN,37,1563,1975) 1482800900005 (A,23355001,M.Asghar+,J,NP/A,247,359,1975) 1482800900006 (A,,Izak-Biran+,J,NSE,57,117,1975) 1482800900007 (A,,Gunther+,J,NP/A,242,56,1975) 1482800900008 (A,,Tomlinson,J,AND,12,179,1973) 1482800900009 DECAY-DATA (37-RB-96,0.205SEC) SOLAR (beta). 1482800900010 (37-RB-96,0.197SEC) SOLAR (n). 1482800900011 STATUS (TABLE,,P.L.Reeder+,J,PR/C,15,2108,1977) 1482800900012 Table III, page 2114 of J,PR/C,15,2108,1977. 1482800900013 ENDBIB 11 0 1482800900014 NOCOMMON 0 0 1482800900015 DATA 2 1 1482800900016 DATA DATA-ERR 1482800900017 NO-DIM NO-DIM 1482800900018 0.170 0.012 1482800900019 ENDDATA 3 0 1482800900020 ENDSUBENT 19 0 1482800999999 SUBENT 14828010 20240621 20250110 1482801000001 BIB 4 11 1482801000002 REACTION (37-RB-97(0,B-)38-SR-97,,PN) 1482801000003 REL-REF (A,23361001,E.Roeckl+,J,NP/A,222,621,1974) 1482801000004 (A,23359001,M.Asghar+,J,JIN,37,1563,1975) 1482801000005 (A,23355001,M.Asghar+,J,NP/A,247,359,1975) 1482801000006 (A,,Izak-Biran+,J,NSE,57,117,1975) 1482801000007 (A,,Gunther+,J,NP/A,242,56,1975) 1482801000008 (A,,Tomlinson,J,AND,12,179,1973) 1482801000009 DECAY-DATA (37-RB-97,0.182SEC) SOLAR (beta). 1482801000010 (37-RB-97,0.167SEC) SOLAR (n). 1482801000011 STATUS (TABLE,,P.L.Reeder+,J,PR/C,15,2108,1977) 1482801000012 Table III, page 2114 of J,PR/C,15,2108,1977. 1482801000013 ENDBIB 11 0 1482801000014 NOCOMMON 0 0 1482801000015 DATA 2 1 1482801000016 DATA DATA-ERR 1482801000017 NO-DIM NO-DIM 1482801000018 0.359 0.026 1482801000019 ENDDATA 3 0 1482801000020 ENDSUBENT 19 0 1482801099999 SUBENT 14828011 20240621 20250110 1482801100001 BIB 3 7 1482801100002 REACTION (53-I-137(0,B-)54-XE-137,,PN) 1482801100003 REL-REF (A,23361001,E.Roeckl+,J,NP/A,222,621,1974) 1482801100004 (A,23359001,M.Asghar+,J,JIN,37,1563,1975) 1482801100005 (A,23355001,M.Asghar+,J,NP/A,247,359,1975) 1482801100006 (A,,Tomlinson,J,AND,12,179,1973) 1482801100007 STATUS (TABLE,,P.L.Reeder+,J,PR/C,15,2108,1977) 1482801100008 Table III, page 2114 of J,PR/C,15,2108,1977. 1482801100009 ENDBIB 7 0 1482801100010 NOCOMMON 0 0 1482801100011 DATA 2 1 1482801100012 DATA DATA-ERR 1482801100013 NO-DIM NO-DIM 1482801100014 0.085 0.009 1482801100015 ENDDATA 3 0 1482801100016 ENDSUBENT 15 0 1482801199999 SUBENT 14828012 20240621 20250110 1482801200001 BIB 3 7 1482801200002 REACTION (53-I-138(0,B-)54-XE-138,,PN) 1482801200003 REL-REF (A,23361001,E.Roeckl+,J,NP/A,222,621,1974) 1482801200004 (A,23359001,M.Asghar+,J,JIN,37,1563,1975) 1482801200005 (A,23355001,M.Asghar+,J,NP/A,247,359,1975) 1482801200006 (A,,Tomlinson,J,AND,12,179,1973) 1482801200007 STATUS (TABLE,,P.L.Reeder+,J,PR/C,15,2108,1977) 1482801200008 Table III, page 2114 of J,PR/C,15,2108,1977. 1482801200009 ENDBIB 7 0 1482801200010 NOCOMMON 0 0 1482801200011 DATA 2 1 1482801200012 DATA DATA-ERR 1482801200013 NO-DIM NO-DIM 1482801200014 0.060 0.035 1482801200015 ENDDATA 3 0 1482801200016 ENDSUBENT 15 0 1482801299999 SUBENT 14828013 20240621 20250110 1482801300001 BIB 3 7 1482801300002 REACTION (55-CS-141(0,B-)56-BA-141,,PN) 1482801300003 REL-REF (A,23361001,E.Roeckl+,J,NP/A,222,621,1974) 1482801300004 (A,23359001,M.Asghar+,J,JIN,37,1563,1975) 1482801300005 (A,23355001,M.Asghar+,J,NP/A,247,359,1975) 1482801300006 (A,,Tomlinson,J,AND,12,179,1973) 1482801300007 STATUS (TABLE,,P.L.Reeder+,J,PR/C,15,2108,1977) 1482801300008 Table III, page 2114 of J,PR/C,15,2108,1977. 1482801300009 ENDBIB 7 0 1482801300010 NOCOMMON 0 0 1482801300011 DATA 2 1 1482801300012 DATA DATA-ERR 1482801300013 NO-DIM NO-DIM 1482801300014 0.00043 0.00007 1482801300015 ENDDATA 3 0 1482801300016 ENDSUBENT 15 0 1482801399999 SUBENT 14828014 20240621 20250110 1482801400001 BIB 4 9 1482801400002 REACTION (55-CS-142(0,B-)56-BA-142,,PN) 1482801400003 REL-REF (A,23361001,E.Roeckl+,J,NP/A,222,621,1974) 1482801400004 (A,23359001,M.Asghar+,J,JIN,37,1563,1975) 1482801400005 (A,23355001,M.Asghar+,J,NP/A,247,359,1975) 1482801400006 (A,,Tomlinson,J,AND,12,179,1973) 1482801400007 DECAY-DATA (55-CS-142,1.70SEC) SOLAR (beta). 1482801400008 (55-CS-142,1.70SEC) SOLAR (n). 1482801400009 STATUS (TABLE,,P.L.Reeder+,J,PR/C,15,2108,1977) 1482801400010 Table III, page 2114 of J,PR/C,15,2108,1977. 1482801400011 ENDBIB 9 0 1482801400012 NOCOMMON 0 0 1482801400013 DATA 2 1 1482801400014 DATA DATA-ERR 1482801400015 NO-DIM NO-DIM 1482801400016 0.00096 0.00008 1482801400017 ENDDATA 3 0 1482801400018 ENDSUBENT 17 0 1482801499999 SUBENT 14828015 20240621 20250110 1482801500001 BIB 4 9 1482801500002 REACTION (55-CS-143(0,B-)56-BA-143,,PN) 1482801500003 REL-REF (A,23361001,E.Roeckl+,J,NP/A,222,621,1974) 1482801500004 (A,23359001,M.Asghar+,J,JIN,37,1563,1975) 1482801500005 (A,23355001,M.Asghar+,J,NP/A,247,359,1975) 1482801500006 (A,,Tomlinson,J,AND,12,179,1973) 1482801500007 DECAY-DATA (55-CS-143,1.79SEC) SOLAR (beta). 1482801500008 (55-CS-143,1.79SEC) SOLAR (n). 1482801500009 STATUS (TABLE,,P.L.Reeder+,J,PR/C,15,2108,1977) 1482801500010 Table III, page 2114 of J,PR/C,15,2108,1977. 1482801500011 ENDBIB 9 0 1482801500012 NOCOMMON 0 0 1482801500013 DATA 2 1 1482801500014 DATA DATA-ERR 1482801500015 NO-DIM NO-DIM 1482801500016 0.0195 0.0014 1482801500017 ENDDATA 3 0 1482801500018 ENDSUBENT 17 0 1482801599999 SUBENT 14828016 20240621 20250110 1482801600001 BIB 4 9 1482801600002 REACTION (55-CS-144(0,B-)56-BA-144,,PN) 1482801600003 REL-REF (A,23361001,E.Roeckl+,J,NP/A,222,621,1974) 1482801600004 (A,23359001,M.Asghar+,J,JIN,37,1563,1975) 1482801600005 (A,23355001,M.Asghar+,J,NP/A,247,359,1975) 1482801600006 (A,,Tomlinson,J,AND,12,179,1973) 1482801600007 DECAY-DATA (55-CS-144,1.00SEC) SOLAR (beta). 1482801600008 (55-CS-144,0.99SEC) SOLAR (n). 1482801600009 STATUS (TABLE,,P.L.Reeder+,J,PR/C,15,2108,1977) 1482801600010 Table III, page 2114 of J,PR/C,15,2108,1977. 1482801600011 ENDBIB 9 0 1482801600012 NOCOMMON 0 0 1482801600013 DATA 2 1 1482801600014 DATA DATA-ERR 1482801600015 NO-DIM NO-DIM 1482801600016 0.043 0.003 1482801600017 ENDDATA 3 0 1482801600018 ENDSUBENT 17 0 1482801699999 SUBENT 14828017 20240621 20250110 1482801700001 BIB 4 9 1482801700002 REACTION (55-CS-145(0,B-)56-BA-145,,PN) 1482801700003 REL-REF (A,23361001,E.Roeckl+,J,NP/A,222,621,1974) 1482801700004 (A,23359001,M.Asghar+,J,JIN,37,1563,1975) 1482801700005 (A,23355001,M.Asghar+,J,NP/A,247,359,1975) 1482801700006 (A,,Tomlinson,J,AND,12,179,1973) 1482801700007 DECAY-DATA (55-CS-145,0.65SEC) SOLAR (beta). 1482801700008 (55-CS-145,0.577SEC) SOLAR (n). 1482801700009 STATUS (TABLE,,P.L.Reeder+,J,PR/C,15,2108,1977) 1482801700010 Table III, page 2114 of J,PR/C,15,2108,1977. 1482801700011 ENDBIB 9 0 1482801700012 NOCOMMON 0 0 1482801700013 DATA 2 1 1482801700014 DATA DATA-ERR 1482801700015 NO-DIM NO-DIM 1482801700016 0.218 0.015 1482801700017 ENDDATA 3 0 1482801700018 ENDSUBENT 17 0 1482801799999 ENDENTRY 17 0 1482899999999