ENTRY 20630 20101107 22252063000000001 SUBENT 20630001 20101107 22252063000100001 BIB 15 40 2063000100002 INSTITUTE (2ZZZISP) 2063000100003 REFERENCE (J,JIN,27,1175,196506) 2063000100004 AUTHOR (M.Bresesti,F.Cappellani,A.M.Del Turco,H.Neumann) 2063000100005 TITLE -Neutron capture cross-section of Xe-126 and Xe-136.- 2063000100006 FACILITY (REAC,2ZZZISP) Pneumatic carrier system at 2063000100007 ISPRA 1 reactor. 2063000100008 INC-SOURCE (REAC ) ISPRA 1 reactor. 2063000100009 Irradiation in the graphite reflector for 2 hours. 2063000100010 SAMPLE .High purity natural xenon. 2063000100011 Samples contained 0.090% Xe-126 and 8.87% 2063000100012 Xe-136 in silica ampoules at 1 atmosphere. 2063000100013 METHOD (ACTIV) Activation. 2063000100014 DETECTOR (NAICR) NaI (Tl)-crystal. 2063000100015 ANALYSIS .Cadmium-measurements,Westcott-formalism. 2063000100016 REL-REF (M,20628001,M.Bresesti+,J,JIN,26,9,196401) 2063000100017 (M,20629001,M.Bresesti+,J,JIN,26,1625,196410) 2063000100018 (M,,M.Bresesti+,J,JIN,29,2477,1967) 2063000100019 .Same experimental series as in J.Inorg.Nucl.Chem., 2063000100020 26(1964)9 , 26(1964)1625 and 29(1967)2477. 2063000100021 STATUS (TABLE) .Taken from J.Inorg.Nucl.Chem.,27(1965)1175. 2063000100022 CORRECTION .Because of the thin sample no correction is needed 2063000100023 for self-shielding and self-absorption. 2063000100024 ERR-ANALYS (ERR-T) total uncertainty contains: 2063000100025 (ERR-SYS) A 10% systematic uncertainty was attribute 2063000100026 to the measured activities, not however including any 2063000100027 uncertainty from decay parameters of either reaction 2063000100028 products of xenon or the monitor. 2063000100029 The statistical error was negligible. 2063000100030 HISTORY (19761012C) 2063000100031 (19770331E) 2063000100032 (19810109A) Reaction codes corrected. 2063000100033 (19810120E) 2063000100034 (19860415U)N.Ch 2063000100035 (19860703E) 2063000100036 (20101107A) SD:Updated to new date formats,lower case. 2063000100037 corrected according to last EXFOR rules and Dict. 2063000100038 Code SUM deleted from REACTION (Subents 002,004) 2063000100039 and MONITOR (Subents 003,004); COMMON section 2063000100040 added to Subent 001; COMMENT changed on REL-REF; 2063000100041 MONIT2 added to Subent 002 2063000100042 ENDBIB 40 0 2063000100043 COMMON 1 3 2063000100044 ERR-SYS 2063000100045 PER-CENT 2063000100046 10. 2063000100047 ENDCOMMON 3 0 2063000100048 ENDSUBENT 47 0 2063000199999 SUBENT 20630002 20101107 22252063000200001 BIB 7 18 2063000200002 REACTION (54-XE-126(N,G)54-XE-127,,SIG,,MXW) Maxwellian 2063000200003 average cross section. 2063000200004 INC-SPECT .Thermal Maxwellian neutron spectrum. 2063000200005 DECAY-DATA (54-XE-127-G,36.4D,DG,377.,0.204) 377 keV gamma 2063000200006 measured about 1 month after the irradiation. A small 2063000200007 correction was made for the 173+204 keV sum peak under2063000200008 the 377 keV peak. The metastable state was assumed to 2063000200009 decay 100% by internal transition. 2063000200010 MONITOR ((MONIT1)27-CO-59(N,G)27-CO-60,,SIG) 2063000200011 2200 m/sec cross section taken as 37.3 b. 2063000200012 ((MONIT2)27-CO-59(N,G)27-CO-60,,RI) 2063000200013 The resonance integral was taken as 75.0 b. 2063000200014 DECAY-MON (27-CO-60,5.24YR) 2063000200015 STATUS (TABLE) .Average values given on page 1180. 2063000200016 HISTORY (19810109A) decay data added. 2063000200017 (19810120E) 2063000200018 (20101112A) SD: code SUM deleted from REACTION 2063000200019 and MONITOR. MONIT2 and DECAY-MON added. 2063000200020 ENDBIB 18 0 2063000200021 NOCOMMON 0 0 2063000200022 DATA 5 1 2063000200023 EN-DUMMY DATA ERR-T MONIT1 MONIT2 2063000200024 EV B B B B 2063000200025 2.5300E-02 2.4500E+00 2.5000E-01 3.7300E+01 75.0 2063000200026 ENDDATA 3 0 2063000200027 ENDSUBENT 26 0 2063000299999 SUBENT 20630003 20101107 22252063000300001 BIB 6 13 2063000300002 REACTION (54-XE-136(N,G)54-XE-137,,SIG,,MXW) Maxwellian thermal 2063000300003 cross section. 2063000300004 INC-SPECT .Pure thermal Maxwellian spectrum with a cadmium 2063000300005 ratio of 1000. 2063000300006 DECAY-DATA (55-CS-137,29.68YR,DG,662.) Activity of Cs-137 2063000300007 following beta decay of Xe-137 was measured by the 2063000300008 intensity of the 662 gamma from the decay of the 2063000300009 Ba-137 metastable state (2.6 min half-life). 2063000300010 MONITOR (27-CO-59(N,G)27-CO-60,,SIG) 2200 m/sec cross 2063000300011 section taken as 37.3 b. 2063000300012 STATUS (TABLE) .Average value given on page 1181. 2063000300013 HISTORY (19810109A) decay-data added. 2063000300014 (19810120E) 2063000300015 ENDBIB 13 0 2063000300016 NOCOMMON 0 0 2063000300017 DATA 4 1 2063000300018 EN-DUMMY MONIT DATA ERR-T 2063000300019 EV B B B 2063000300020 2.5300E-02 3.7300E+01 2.8100E-01 2.8000E-02 2063000300021 ENDDATA 3 0 2063000300022 ENDSUBENT 21 0 2063000399999 SUBENT 20630004 20101107 22252063000400001 BIB 5 13 2063000400002 REACTION (54-XE-126(N,G)54-XE-127,,RI) Resonance integral 2063000400003 including the 1/V contribution. 2063000400004 DECAY-DATA (54-XE-127-G,36.4D,DG,377.,0.204) A small correction 2063000400005 was made for the 173+204 keV sum peak under the 2063000400006 377 keV photopeak. The metastable state was assumed 2063000400007 to decay 100% by internal transitions. 2063000400008 MONITOR ((MONIT1)27-CO-59(N,G)27-CO-60,,RI) 2063000400009 Resonance integral taken as 75.0 b 2063000400010 ((MONIT2)27-CO-59(N,G)27-CO-60,,SIG) 2063000400011 the thermal cross section was taken as 37.3b. 2063000400012 STATUS (TABLE) .Average values given on page 1180. 2063000400013 HISTORY (19810109A) reaction corrected. 2063000400014 (19810120E) 2063000400015 ENDBIB 13 0 2063000400016 NOCOMMON 0 0 2063000400017 DATA 5 1 2063000400018 EN-MIN DATA ERR-T MONIT1 MONIT2 2063000400019 EV B B B B 2063000400020 5.5000E-01 3.8000E+01 3.8000E+00 75.0 3.7300E+01 2063000400021 ENDDATA 3 0 2063000400022 ENDSUBENT 21 0 2063000499999 SUBENT 20630005 20101107 22252063000500001 BIB 5 11 2063000500002 REACTION (54-XE-126(N,G)54-XE-127,,SIG) 2200 m/sec value 2063000500003 DECAY-DATA (54-XE-127-G,36.4D,DG,377.,0.204) Metastable state was 2063000500004 assumed to decay 100% by internal transitions. 2063000500005 MONITOR (27-CO-59(N,G)27-CO-60,,SIG) 2200 m/sec value 2063000500006 taken as 37.3 b. 2063000500007 STATUS (DEP,20630002) Derived from the Maxwellian average 2063000500008 value the best value is given on page 1180. 2063000500009 HISTORY (19810109C) Subentry added. 2063000500010 (19810120E) 2063000500011 (19860415A)N.Ch 2063000500012 (19860703E) 2063000500013 ENDBIB 11 0 2063000500014 NOCOMMON 0 0 2063000500015 DATA 4 1 2063000500016 EN MONIT DATA ERR-T 2063000500017 EV B B B 2063000500018 2.5300E-02 3.7300E+01 2.2000E+00 2.2000E-01 2063000500019 ENDDATA 3 0 2063000500020 ENDSUBENT 19 0 2063000599999 ENDENTRY 5 0 2063099999999