ENTRY 30063 20211005 32023006300000001 SUBENT 30063001 20211005 32023006300100001 BIB 15 39 3006300100002 TITLE Neutron activation cross-sections at 24 keV 3006300100003 AUTHOR (A.K.Chaubey, M.L.Sehgal) 3006300100004 INSTITUTE (3INDMUA) 3006300100005 EXP-YEAR (1964) 3006300100006 REFERENCE (J,NP,66,267,1965) 3006300100007 SAMPLE Powder purity better than 99.9%, sample sandwiched 3006300100008 between 2 cellotapes, perspex ring for fixed geometry 3006300100009 MONITOR (53-I-127(N,G)53-I-128,,SIG) 3006300100010 from R.L.Macklin et al., Phys.Rev.107,Page 504 (1957) 3006300100011 INC-SOURCE Antimony-beryllium, 1.7cm diam.*3.3cm height, 3006300100012 flux approximately 10e+7 neutrons/sec 3006300100013 METHOD (ACTIV) 3006300100014 PART-DET (B-) 3006300100015 DETECTOR (GEMUC) End window beta counter 3006300100016 ERR-ANALYS (ERR-T) given error consists of ERR-1 - ERR-4 and 3006300100017 statistical error which varies from one case to another3006300100018 (ERR-1) Uncertainty in estimation of total number of 3006300100019 target nuclei. 3006300100020 (ERR-2) Uncertainty in measurement of sample-source 3006300100021 geometry effect which will depend upon 3006300100022 reproducibility of the geometry. 3006300100023 (ERR-3) Uncertainty in irradiation time 3006300100024 (ERR-4) Uncertainty in gamma- and beta-rays detection 3006300100025 CORRECTION Absence of thermal neutrons determined, influence of 3006300100026 scattered neutrons of lower than 24. keV energy 3006300100027 negligible due to geometry, i.e. Large room, remote 3006300100028 location of neutron source from the floor (=1.3 M) 3006300100029 and no shielding material around the source. 3006300100030 STATUS (TABLE) Data taken from NP 66, page 267,1965 3006300100031 HISTORY (19691124C) Data compiled from NP 66,267-272 (1965) 3006300100032 (19691203) Proof copy sent to author 3006300100033 (19701127T) Data converted from Dastar-01011 3006300100034 (19760914U) Some iso-quants have been changed with 3006300100035 respect to the modifiers. Half-lives added 3006300100036 in 'common'. Changes in comments. 3006300100037 (19900603A) VOF.- Obsolete keywords replaced by new 3006300100038 formalism. Monitor data added 3006300100039 (20080305A) BIB section updated 3006300100040 (20210930A) VS. SF5 deleted in subent. 011. 3006300100041 ENDBIB 39 0 3006300100042 COMMON 6 3 3006300100043 EN MONIT ERR-1 ERR-2 ERR-3 ERR-4 3006300100044 KEV B PER-CENT PER-CENT PER-CENT PER-CENT 3006300100045 24.0 0.82 1.0 2.0 1.0 2.0 3006300100046 ENDCOMMON 3 0 3006300100047 ENDSUBENT 46 0 3006300199999 SUBENT 30063002 20080215 31253006300200001 BIB 2 2 3006300200002 REACTION (25-MN-55(N,G)25-MN-56,,SIG) 3006300200003 DECAY-DATA (25-MN-56,2.55HR) 3006300200004 ENDBIB 2 0 3006300200005 NOCOMMON 0 0 3006300200006 DATA 2 1 3006300200007 DATA ERR-T 3006300200008 MB MB 3006300200009 40. 3. 3006300200010 ENDDATA 3 0 3006300200011 ENDSUBENT 10 0 3006300299999 SUBENT 30063003 20080215 31253006300300001 BIB 3 8 3006300300002 REACTION (47-AG-107(N,G)47-AG-108-G,,SIG) 3006300300003 DECAY-DATA (47-AG-108-G,2.4MIN) 3006300300004 COMMENT By compiler. Lederer,et al.,Table of isotopes,6th ed., 3006300300005 show a metastable state in Ag-108 with half-life 3006300300006 greater than 5 yr. Because of the long half-life of the3006300300007 metastable state, the tabulated data represents the 3006300300008 partial capture cross section for population of the 3006300300009 ground state(half-life = 2.4 Min). 3006300300010 ENDBIB 8 0 3006300300011 NOCOMMON 0 0 3006300300012 DATA 2 1 3006300300013 DATA ERR-T 3006300300014 MB MB 3006300300015 840. 90. 3006300300016 ENDDATA 3 0 3006300300017 ENDSUBENT 16 0 3006300399999 SUBENT 30063004 20080215 31253006300400001 BIB 3 10 3006300400002 REACTION (48-CD-114(N,G)48-CD-115-G,,SIG) 3006300400003 DECAY-DATA (48-CD-115-G,56.HR) 3006300400004 COMMENT By compiler. Lederer,et al.,Table of isotopes,6th ed., 3006300400005 show a metastable state (H-life = 43 day) in Cd-115 3006300400006 which decays nearly 100% by beta-. Authors do not 3006300400007 mention possible effects of this state. Tabulated 3006300400008 data have been assumed to represent the partial capture3006300400009 cross section for population of the ground state. 3006300400010 Half-life values assumed by the authors may be 3006300400011 superseded. 3006300400012 ENDBIB 10 0 3006300400013 NOCOMMON 0 0 3006300400014 DATA 2 1 3006300400015 DATA ERR-T 3006300400016 MB MB 3006300400017 240. 25. 3006300400018 ENDDATA 3 0 3006300400019 ENDSUBENT 18 0 3006300499999 SUBENT 30063005 20080215 31253006300500001 BIB 7 16 3006300500002 REACTION (49-IN-115(N,G)49-IN-116-M1,M+,SIG) 3006300500003 DECAY-DATA (49-IN-116-M1,54.0MIN) 3006300500004 (49-IN-116-M2,2.5SEC)second metastable state 3006300500005 spin cut off parameter calculated in Nucl.Phys.A117,5453006300500006 1968. Subent 30087.008 3006300500007 COMMENT The second metastable state (H-life = 2.5 sec) decays 3006300500008 100% directly to the first (H-life = 54 min) by 3006300500009 isomeric transition. 3006300500010 PART-DET (B-,DG) 3006300500011 DETECTOR (NAICR) Na-I(Tl) Crystal for gammas,in addition to the 3006300500012 end window beta counter. 3006300500013 METHOD The partial capture cross section was determined by 3006300500014 both beta counting and gamma counting with identical 3006300500015 results. 3006300500016 HISTORY (19900603A) VOF .- Reaction code corrected + half-life 3006300500017 data added.- 3006300500018 ENDBIB 16 0 3006300500019 NOCOMMON 0 0 3006300500020 DATA 2 1 3006300500021 DATA ERR-T 3006300500022 MB MB 3006300500023 580. 40. 3006300500024 ENDDATA 3 0 3006300500025 ENDSUBENT 24 0 3006300599999 SUBENT 30063006 20080215 31253006300600001 BIB 2 4 3006300600002 REACTION (49-IN-115(N,G)49-IN-116-G,,SIG) 3006300600003 DECAY-DATA (49-IN-116-G,13.SEC) 3006300600004 Nucl.Phys. Vol A117,page 545 (1968) (accession number 3006300600005 30087.008) 3006300600006 ENDBIB 4 0 3006300600007 NOCOMMON 0 0 3006300600008 DATA 2 1 3006300600009 DATA ERR-T 3006300600010 MB MB 3006300600011 220. 30. 3006300600012 ENDDATA 3 0 3006300600013 ENDSUBENT 12 0 3006300699999 SUBENT 30063007 20080215 31253006300700001 BIB 2 2 3006300700002 REACTION (52-TE-126(N,G)52-TE-127-G,,SIG) 3006300700003 DECAY-DATA (52-TE-127-G,9.3HR) 3006300700004 ENDBIB 2 0 3006300700005 NOCOMMON 0 0 3006300700006 DATA 2 1 3006300700007 DATA ERR-T 3006300700008 MB MB 3006300700009 66. 11. 3006300700010 ENDDATA 3 0 3006300700011 ENDSUBENT 10 0 3006300799999 SUBENT 30063008 20080215 31253006300800001 BIB 4 17 3006300800002 REACTION (66-DY-164(N,G)66-DY-165,,SIG) 3006300800003 Total capture cross section for population of the 3006300800004 metastable (H-life = 1.3 Min) and ground states (H-life3006300800005 = 139 min of Dy-165. 3006300800006 DECAY-DATA (66-DY-165-G,139.MIN) 3006300800007 (66-DY-165-M,1.3MIN) 3006300800008 HISTORY (19900603A) VOF.- Half-life added.- 3006300800009 COMMENT By compiler. Lederer,et al.,Table of isotopes,6th ed., 3006300800010 indicate about 2.5% decay of the 1.3-min metastable 3006300800011 state in Dy-165 by beta-. The authors apparently 3006300800012 have assumed that the metastable state decays entirely 3006300800013 by isomeric transition to the ground state (H-life = 3006300800014 139 min) of Dy-165. 3006300800015 The partial cross sections for production of the ground3006300800016 and metastable states of Dy-165 were determined 3006300800017 individually later by the same authors, see Nucl.Phys. 3006300800018 A117,545(1968) and entries 30086.009 and .008 respect. 3006300800019 ENDBIB 17 0 3006300800020 NOCOMMON 0 0 3006300800021 DATA 2 1 3006300800022 DATA ERR-T 3006300800023 MB MB 3006300800024 190. 20. 3006300800025 ENDDATA 3 0 3006300800026 ENDSUBENT 25 0 3006300899999 SUBENT 30063009 20080215 31253006300900001 BIB 3 10 3006300900002 REACTION (67-HO-165(N,G)67-HO-166-G,,SIG) 3006300900003 DECAY-DATA (67-HO-166-G,27.3HR) 3006300900004 COMMENT By compiler. The partial capture cross section for 3006300900005 production of the shorter-lived isomeric state in 3006300900006 Ho-166 has been measured. The authors indicate that the3006300900007 shorter-lived state is the metastable state. 3006300900008 Lederer,et al.,Table of isotopes,6th ed., indicate that3006300900009 the shorter-lived state is the ground state (H-life = 3006300900010 26.9 Hr) and that the metastable state has H-life = 3006300900011 1200 yr). 3006300900012 ENDBIB 10 0 3006300900013 NOCOMMON 0 0 3006300900014 DATA 2 1 3006300900015 DATA ERR-T 3006300900016 MB MB 3006300900017 990. 70. 3006300900018 ENDDATA 3 0 3006300900019 ENDSUBENT 18 0 3006300999999 SUBENT 30063010 20080215 31253006301000001 BIB 2 2 3006301000002 REACTION (71-LU-175(N,G)71-LU-176-M,,SIG) 3006301000003 DECAY-DATA (71-LU-176-M,3.7HR) 3006301000004 ENDBIB 2 0 3006301000005 NOCOMMON 0 0 3006301000006 DATA 2 1 3006301000007 DATA ERR-T 3006301000008 MB MB 3006301000009 1670. 120. 3006301000010 ENDDATA 3 0 3006301000011 ENDSUBENT 10 0 3006301099999 SUBENT 30063011 20211005 32023006301100001 BIB 3 3 3006301100002 REACTION (79-AU-197(N,G)79-AU-198,,SIG) 3006301100003 DECAY-DATA (79-AU-198-G,2.7D) 3006301100004 HISTORY (20210930A) VS. (M) deleted in SF5 c.f. Memo CP-D/1023.3006301100005 ENDBIB 3 0 3006301100006 NOCOMMON 0 0 3006301100007 DATA 2 1 3006301100008 DATA ERR-T 3006301100009 MB MB 3006301100010 500. 35. 3006301100011 ENDDATA 3 0 3006301100012 ENDSUBENT 11 0 3006301199999 SUBENT 30063012 20080215 31253006301200001 BIB 2 2 3006301200002 REACTION (90-TH-232(N,G)90-TH-233,,SIG) 3006301200003 DECAY-DATA (90-TH-233,23.MIN) 3006301200004 ENDBIB 2 0 3006301200005 NOCOMMON 0 0 3006301200006 DATA 2 1 3006301200007 DATA ERR-T 3006301200008 MB MB 3006301200009 480. 50. 3006301200010 ENDDATA 3 0 3006301200011 ENDSUBENT 10 0 3006301299999 ENDENTRY 12 0 3006399999999