ENTRY 21851 20090401 22112185100000001 SUBENT 21851001 20090401 22112185100100001 BIB 11 44 2185100100002 REFERENCE (J,NP/A,395,15,198306) Main reference (part I) 2185100100003 (J,NP/A,395,29,198306) Main reference (part II) 2185100100004 (T,SCHMIDT,1980) University of Giessen 2185100100005 TITLE -.Comparison of the spontaneous fission of 2185100100006 Cm-242 and Cf-252. 2185100100007 (I).Fragment masses and kinetic energies. 2185100100008 (II).Prompt neutron emission.- 2185100100009 AUTHOR (R.Schmidt, H.Henschel) 2185100100010 INSTITUTE (2GERJLU) 2185100100011 METHOD (COINC) 2185100100012 .Same geometry was used for both Cf and Cm source 2185100100013 .Energy calibration by the method of Schmitt et al. 2185100100014 .For the Cm-244 data the pulse-height defect was 2185100100015 not considered. The energy calibration is based 2185100100016 on the U-235(N-Th,F) experiment of Fraser et al, 2185100100017 Can.J.Phys.41,2080,1963. 2185100100018 DETECTOR (COIN,SIBAR,SIBAR) Surface barrier detectors 2185100100019 PART-DET (FF) 2185100100020 (N) 2185100100021 MONITOR .Cf-252 source 2185100100022 SAMPLE .Cf-252, made by self-transfer onto a 2185100100023 220 microgram/cm**2 Ni foil 2185100100024 .Cm-244, on a similar backing 2185100100025 .Isotopic composition of Cm-244 source 2185100100026 isotope / abundance / contribut.To S.F. 2185100100027 (Per cent) (per cent) 2185100100028 Cm-243 <= 0.4 - 2185100100029 Cm-244 >= 91 >= 87 2185100100030 Cm-245 1.7 - 2185100100031 Cm-246 6 5 2185100100032 Cm-247 0.13 - 2185100100033 Cm-248 0.08 0.3 2185100100034 Cm-249 <= 0.01 - 2185100100035 Cm-250 <= 0.01 <= 7 2185100100036 CORRECTION .For recombination losses caused by 2185100100037 alpha-particle induced radiation damage of the 2185100100038 detectors (in the case of Cm-244) 2185100100039 HISTORY (19830426C) Bn. 2185100100040 (19830429E) 2185100100041 (19831004E) 2185100100042 (19890919E) 2185100100043 (20090401A) Date is corrected to 4-digit year. 2185100100044 Upper case to low case converted. BIB information 2185100100045 updated. New data lines added 2185100100046 ENDBIB 44 0 2185100100047 NOCOMMON 0 0 2185100100048 ENDSUBENT 47 0 2185100199999 SUBENT 21851002 20090401 22112185100200001 BIB 3 8 2185100200002 REACTION 1(98-CF-252(0,F),SEC,AP,LF) Aver.Mass of light fragm. 2185100200003 2(98-CF-252(0,F),SEC,AP,HF) Aver.Mass of heavy fragm. 2185100200004 3(98-CF-252(0,F),PRE,AP,LF) 2185100200005 Aver.Mass of light fragm. before n-emission 2185100200006 4(98-CF-252(0,F),PRE,AP,HF) 2185100200007 Aver.Mass of heavy fragm. before N-emission 2185100200008 STATUS (TABLE) Main reference,part I,table 2. 2185100200009 HISTORY (20090401A) SF5 codes added 2185100200010 ENDBIB 8 0 2185100200011 NOCOMMON 0 0 2185100200012 DATA 4 1 2185100200013 DATA 1DATA 2DATA 3DATA 4 2185100200014 NO-DIM NO-DIM NO-DIM NO-DIM 2185100200015 1.066E+02 1.4182E+02 1.0855E+02 1.4353E+02 2185100200016 ENDDATA 3 0 2185100200017 ENDSUBENT 16 0 2185100299999 SUBENT 21851003 20090401 22112185100300001 BIB 4 13 2185100300002 REACTION 1(98-CF-252(0,F),SEC,AKE,LF) Av.Kin.Energ.Light fragm. 2185100300003 2(98-CF-252(0,F),SEC,AKE,HF) Av.Kin.Energ.Heavy fragm. 2185100300004 3(98-CF-252(0,F),PRE,AKE,LF) 2185100300005 4(98-CF-252(0,F),PRE,AKE,HF) 2185100300006 5(98-CF-252(0,F),PRE,AKE,LF+HF) 2185100300007 ERR-ANALYS (DATA-ERR) For the errors of the Cf-252 mean kinetic 2185100300008 energies the authors point out, that they have chosen 2185100300009 those of H.W.Schmitt et al., Phys.Rev.141,1146,1966 2185100300010 because they used the same calibration method. 2185100300011 No further information is given. 2185100300012 STATUS (TABLE) Main reference,part I,table 2. 2185100300013 HISTORY (20090401A) SF5 codes for pt.1-2 and pt.5 data line 2185100300014 added 2185100300015 ENDBIB 13 0 2185100300016 NOCOMMON 0 0 2185100300017 DATA 8 1 2185100300018 DATA 1DATA 2DATA 3DATA-ERR 3DATA 4DATA-ERR 42185100300019 DATA 5DATA-ERR 5 2185100300020 MEV MEV MEV MEV MEV MEV 2185100300021 MEV MEV 2185100300022 1.0396E+02 7.938E+01 1.059E+02 7.E-01 8.036E+01 5.E-012185100300023 1.8625E+02 1.200E+00 2185100300024 ENDDATA 6 0 2185100300025 ENDSUBENT 24 0 2185100399999 SUBENT 21851004 20090401 22112185100400001 BIB 3 7 2185100400002 REACTION 1(96-CM-244(0,F),SEC,AP,LF) 103.07 2185100400003 2(96-CM-244(0,F),SEC,AP,HF) 138.34 2185100400004 3(96-CM-244(0,F),PRE,AP,LF) 104.55 2185100400005 4(96-CM-244(0,F),PRE,AP,HF) 139.54 2185100400006 STATUS (TABLE) Main reference,part I,table 2. 2185100400007 HISTORY (20090401A) Old data lined deleted, new data lines 2185100400008 added 2185100400009 ENDBIB 7 0 2185100400010 NOCOMMON 0 0 2185100400011 DATA 4 1 2185100400012 DATA 1DATA 2DATA 3DATA 4 2185100400013 NO-DIM NO-DIM NO-DIM NO-DIM 2185100400014 1.0307E+02 1.3834E+02 1.0455E+02 1.3954E+02 2185100400015 ENDDATA 3 0 2185100400016 ENDSUBENT 15 0 2185100499999 SUBENT 21851005 20090401 22112185100500001 BIB 4 11 2185100500002 REACTION 1(96-CM-244(0,F),SEC,AKE,LF) 105.86 2185100500003 2(96-CM-244(0,F),SEC,AKE,HF) 80.08 2185100500004 3(96-CM-244(0,F),PRE,AKE,LF) 107.41 +/- 0.9 MeV 2185100500005 4(96-CM-244(0,F),PRE,AKE,HF) 80.80 +/- 0.7 MeV 2185100500006 5(96-CM-244(0,F),PRE,AKE,LF+HF) 188.21 +/- 1.6 MeV 2185100500007 ERR-ANALYS (DATA-ERR) For the Cm-244 energies they raised the 2185100500008 errors slightly due to radiation damage effects. 2185100500009 No further information is given. 2185100500010 STATUS (TABLE) Main reference, table 2. 2185100500011 HISTORY (20090401A) Old data lined deleted, new data lines 2185100500012 added 2185100500013 ENDBIB 11 0 2185100500014 NOCOMMON 0 0 2185100500015 DATA 8 1 2185100500016 DATA 1DATA 2DATA 3DATA-ERR 3DATA 4DATA-ERR 42185100500017 DATA 5DATA-ERR 5 2185100500018 MEV MEV MEV MEV MEV MEV 2185100500019 MEV MEV 2185100500020 1.0586E+02 8.008E+01 1.0741E+02 9.E-01 8.080E+01 7.E-012185100500021 1.8821E+02 1.600E+00 2185100500022 ENDDATA 6 0 2185100500023 ENDSUBENT 22 0 2185100599999 SUBENT 21851006 20090401 22112185100600001 BIB 6 12 2185100600002 REACTION (96-CM-244(0,F),PR,NU) Aver.Number of prompt neutrons 2185100600003 METHOD (COINC) 2185100600004 .The fission source and the surface barrier detectors 2185100600005 were placed in a cylindrical hole of the scin.Tank. 2185100600006 DETECTOR (STANK) Spherical,Gd-loaded liquid scintillation 2185100600007 counter with 8 photomultipliers 2185100600008 (COIN,SOLST,SOLST,STANK) 2185100600009 ANALYSIS .Masses and energies were calculated as described 2185100600010 in part I. 2185100600011 MISC-COL (MISC) Variance of the prompt neutron number 2185100600012 distribution 2185100600013 STATUS (TABLE) Main reference, part II, table 1. 2185100600014 ENDBIB 12 0 2185100600015 NOCOMMON 0 0 2185100600016 DATA 2 1 2185100600017 DATA MISC 2185100600018 PRT/FIS NO-DIM 2185100600019 2.73 1.3 2185100600020 ENDDATA 3 0 2185100600021 ENDSUBENT 20 0 2185100699999 SUBENT 21851007 20090401 22112185100700001 BIB 6 12 2185100700002 REACTION (98-CF-252(0,F),PR,NU) Aver.Number of prompt neutrons 2185100700003 METHOD (COINC) 2185100700004 .The fission source and the surface barrier detectors 2185100700005 were placed in a cylindrical hole of the scin.Tank. 2185100700006 DETECTOR (STANK) Spherical,Gd-loaded liquid scintillation 2185100700007 counter with 8 photomultpliers 2185100700008 (COIN,SOLST,SOLST,STANK) 2185100700009 ANALYSIS .Masses and energies were calculated as 2185100700010 described in part I. 2185100700011 MISC-COL (MISC) Variance of the prompt neutron number 2185100700012 distribution 2185100700013 STATUS (TABLE) Main reference, part II, table 1. 2185100700014 ENDBIB 12 0 2185100700015 NOCOMMON 0 0 2185100700016 DATA 2 1 2185100700017 DATA MISC 2185100700018 PRT/FIS NO-DIM 2185100700019 3.74 1.72 2185100700020 ENDDATA 3 0 2185100700021 ENDSUBENT 20 0 2185100799999 ENDENTRY 7 0 2185199999999