ENTRY 41557 20200925 41894155700000001 SUBENT 41557001 20200925 41894155700100001 BIB 8 21 4155700100002 TITLE Fragments yields in spontaneous and photo-fission of 4155700100003 Cm-248. 4155700100004 AUTHOR (Yu.P.Gangrskiy, V.I.Zhemenik, N.Yu.Maslova, 4155700100005 G.V.Myshinskiy, Yu.E.Penionzhkevich) 4155700100006 INSTITUTE (4ZZZDUB) Yu.P.Gangrsiy, N.Yu.Maslova, G.V.Myshinskiy, 4155700100007 Yu.E.Penionzhkevich. 4155700100008 (4UKRIJD) V.I.Zhemenik. 4155700100009 REFERENCE (J,FCY/L,2,(2),44,2005) Main reference. Issue 2(125) 4155700100010 (J,PPN/L,2,92,2005) Engl.translation of FCY/L. 4155700100011 (C,2004BELGOR,,80,2004) Prelim.data for Subent 002. 4155700100012 DETECTOR (HPGE) HPGe-detector of 150 cm**3 volume, 2.1 keV 4155700100013 resolution for 1133 keV gamma-line of Co-60. 4155700100014 SAMPLE Oxide CmO2 layer of 15 mm diameter, 0.6 mg/cm**2 4155700100015 thickness on Ti backing of 1.5 microm thickness. 4155700100016 Number of Cm-248 nuclei 2.E+18. 4155700100017 REL-REF (O,M0813001,Yu.P.Gangrskiy,J,FCY/L,2,(2),44,2005) 4155700100018 Other data of Table 2 for photo-fission. 4155700100019 HISTORY (20110401C) M.M. 4155700100020 (20141220U) Ref.of Engl.translation was added. 4155700100021 Subents 002, 003 were corrected. 4155700100022 (20200925U) Ref. C,2004BELGOR,,80,2004 was added. 4155700100023 ENDBIB 21 0 4155700100024 NOCOMMON 0 0 4155700100025 ENDSUBENT 24 0 4155700199999 SUBENT 41557002 20200925 41894155700200001 BIB 8 23 4155700200002 REACTION ((96-CM-248(0,F)ELEM/MASS,IND,FY)/ 4155700200003 (96-CM-248(0,F)54-XE-138,IND,FY)) 4155700200004 Xe isotopes yields relative to Xe-138 yield taken as 4155700200005 100. Data were multiplied by 0.01 by compiler. 4155700200006 REL-REF (M,,Yu.P.Gangrskiy+,J,PTE,,(3),67,2002) 4155700200007 Details of method 4155700200008 (R,12895001,G.P.Ford+,J,PR/C,30,(1),195,1984) 4155700200009 Xe-135 isomeric ratio used in analysis to define Xe-1354155700200010 total yield (only isomeric state was observed). 4155700200011 METHOD (GSPEC) Xe yields were defined from its gamma-spectra. 4155700200012 ANALYSIS Gamma-lines areas were used to define fission 4155700200013 yields. 4155700200014 ADD-RES (A-DIS) Parameters of Xe isotope distribution were 4155700200015 defined by Gaussian fitting of DATA to be: 4155700200016 average mass 137.99 +- 0.19 ; dispersion 1.94 +- 0.19.4155700200017 ERR-ANALYS (DATA-ERR) Not explained. 4155700200018 STATUS (TABLE) Table 2 of J,FCY/L,2,(2/125),44,2005. 4155700200019 Prelim.data in Table of Conf.Proc.2004BELGOR,p.80,20044155700200020 HISTORY (20141229A) 96-CM-248(0,F)ELEM/MASS,IND,FY,,REL -> 4155700200021 (96-CM-248(0,F)ELEM/MASS,IND,FY)/ 4155700200022 (96-CM-248(0,F)54-XE-138,IND,FY) according to the 4155700200023 comment of N.Otsuka (NDS,IAEA). 4155700200024 (20200925U) STATUS information was updated. 4155700200025 ENDBIB 23 0 4155700200026 COMMON 1 3 4155700200027 ELEMENT 4155700200028 NO-DIM 4155700200029 54. 4155700200030 ENDCOMMON 3 0 4155700200031 DATA 3 6 4155700200032 MASS DATA DATA-ERR 4155700200033 NO-DIM NO-DIM NO-DIM 4155700200034 135. 0.34 0.05 4155700200035 137. 0.76 0.05 4155700200036 139. 0.79 0.05 4155700200037 140. 0.66 0.09 4155700200038 141. 0.17 0.04 4155700200039 142. 0.11 0.03 4155700200040 ENDDATA 8 0 4155700200041 ENDSUBENT 40 0 4155700299999 SUBENT 41557003 20141220 41664155700300001 BIB 6 15 4155700300002 REACTION (96-CM-248(0,F)ELEM/MASS,IND,FY) 4155700300003 Xe isotopes absolute yields . 4155700300004 ANALYSIS Cumulative yield of Xe-138 was used to define absolute4155700300005 independent yields of Xe isotopes. Xe-138 fractional 4155700300006 cumulative yield of 0.70 +- 0.15 was used from known 4155700300007 systematics of K.F.Flynn+, A.C.Wahl+ : 4155700300008 REL-REF (R,,K.F.Flynn+,J,JIN,39,759,1977) 4155700300009 (R,,A.C.Wahl+,J,AND,39,(1),1,1988) 4155700300010 ERR-ANALYS (DATA-ERR) Not explained. 4155700300011 STATUS (TABLE) Table 2 of J,FCY/L,2,(2/125),44,2005. 4155700300012 (DEP,41557002) 4155700300013 (DEP,41557004) 4155700300014 HISTORY (20141229A) ANALYSIS free text was corrected: 4155700300015 "fraction" -> "fractional cumulative yield" 4155700300016 according to the comment of S.Simakov (NDS,IAEA). 4155700300017 ENDBIB 15 0 4155700300018 COMMON 1 3 4155700300019 ELEMENT 4155700300020 NO-DIM 4155700300021 54. 4155700300022 ENDCOMMON 3 0 4155700300023 DATA 3 7 4155700300024 MASS DATA DATA-ERR 4155700300025 NO-DIM PC/FIS PC/FIS 4155700300026 135. 1.48 0.29 4155700300027 137. 3.50 0.60 4155700300028 138. 4.35 0.86 4155700300029 139. 3.43 0.68 4155700300030 140. 2.87 0.56 4155700300031 141. 0.74 0.15 4155700300032 142. 0.48 0.10 4155700300033 ENDDATA 9 0 4155700300034 ENDSUBENT 33 0 4155700399999 SUBENT 41557004 20110401 41524155700400001 BIB 7 25 4155700400002 REACTION ((96-CM-248(G,F)ELEM/MASS,CUM,FY,,BRA)/ 4155700400003 (96-CM-248(0,F)ELEM/MASS,CUM,FY)) 4155700400004 Cumulative yields ratio of photo-fission to spontaneous4155700400005 fission of Cm-248. 4155700400006 FACILITY (MICRT,4ZZZDUB) Microtron, electron energy 25 MeV, 4155700400007 intensity 15 microA, corresponded to Cm-248 excitation 4155700400008 energy of 12.5 MeV ( defined from U-238 photo-fission 4155700400009 dependence of J.Caldwell+, see REL-REF ). 4155700400010 REL-REF (R,L0050016,J.T.Caldwell+,J,PR/C,21,1215,1980) 4155700400011 (N,,Ph.Kondev+,J,NIM/B,71,126,1992) 4155700400012 Method for the calculation of bremsstrahlung spectra 4155700400013 produced by electrons. 4155700400014 METHOD (ACTIV) Fission fragments were collected on Al foil of 4155700400015 20 microm thickness, place at 0.5 mm distance from Cm 4155700400016 layer during 200 hr for SF, 6 hr for photo-fission. 4155700400017 After cooling of a week, gamma-spectra were measured 4155700400018 during several months to define half-lives. 4155700400019 To identify fission fragment the data were used from 4155700400020 the book: Yu.P.Gangrskiy+, Nuclei fission fragments, 4155700400021 Moscow, Energoizdat,1986. 4155700400022 (GSPEC) Yields were defined from its gamma-spectra. 4155700400023 ANALYSIS Gamma-lines areas were used to define fission 4155700400024 yields. 4155700400025 ERR-ANALYS (DATA-ERR) Not explained. 4155700400026 STATUS (TABLE) Table 1 of J,FCY/L,2,(2/125),44,2005. 4155700400027 ENDBIB 25 0 4155700400028 COMMON 1 3 4155700400029 EN-MAX 4155700400030 MEV 4155700400031 25. 4155700400032 ENDCOMMON 3 0 4155700400033 DATA 4 12 4155700400034 ELEMENT MASS DATA DATA-ERR 4155700400035 NO-DIM NO-DIM NO-DIM NO-DIM 4155700400036 38. 91. 1.45 0.28 4155700400037 40. 95. 1.30 0.26 4155700400038 42. 99. 1.72 0.34 4155700400039 44. 103. 0.82 0.16 4155700400040 45. 106. 1.06 0.21 4155700400041 47. 111. 2.02 0.40 4155700400042 53. 131. 1.20 0.24 4155700400043 55. 137. 1.13 0.22 4155700400044 56. 140. 1.00 0.20 4155700400045 58. 141. 1.04 0.20 4155700400046 58. 143. 1.45 0.29 4155700400047 58. 144. 0.81 0.18 4155700400048 ENDDATA 14 0 4155700400049 ENDSUBENT 48 0 4155700499999 SUBENT 41557005 20110401 41524155700500001 BIB 4 7 4155700500002 REACTION (96-CM-248(0,F)ELEM,,AP) 4155700500003 Average mass of Xe isotopes. 4155700500004 ANALYSIS Parameters of Xe isotope distribution were defined by 4155700500005 Gaussian fitting of Subent 002 data. 4155700500006 ERR-ANALYS (DATA-ERR) Not explained. 4155700500007 STATUS (TABLE) Table 3 of J,FCY/L,2,(2/125),44,2005. 4155700500008 (DEP,41557002) See ANALYSIS. 4155700500009 ENDBIB 7 0 4155700500010 COMMON 1 3 4155700500011 ELEMENT 4155700500012 NO-DIM 4155700500013 54. 4155700500014 ENDCOMMON 3 0 4155700500015 DATA 4 1 4155700500016 DATA DATA-ERR MISC MISC-ERR 4155700500017 NO-DIM NO-DIM NO-DIM NO-DIM 4155700500018 137.99 0.19 1.94 0.19 4155700500019 ENDDATA 3 0 4155700500020 ENDSUBENT 19 0 4155700599999 ENDENTRY 5 0 4155799999999