ENTRY 41524 20200121 41864152400000001 SUBENT 41524001 20200121 41864152400100001 BIB 16 73 4152400100002 TITLE Cross section for the subbarrier fission of 244Cm 4152400100003 AUTHOR (A.A.Alekseev, A.A.Bergman, A.I.Berlev, E.A.Koptelov, 4152400100004 B.F.Samylin, M.I.Svirin, A.M.Trufanov, B.I.Fursov, 4152400100005 V.S.Shorin) 4152400100006 INSTITUTE (4RUSJIA) A.Alekseev, A.Bergman, A.Berlev, E.Koptelov 4152400100007 (4RUSFEI) B.Samylin, A.Trufanov, B.Fursov, V.Shorin, 4152400100008 M.Svirin 4152400100009 REFERENCE (J,YF,73,1533,2010) Iss. 9. Main ref. 4152400100010 (J,PAN,73,1487,2010) Engl. translation of J,YF,73 4152400100011 (J,AE,109,332,2010) Issue 6. Cm-244 RI . 4152400100012 (J,AE/T,109,408,2011) 4152400100013 English translation of AE,109. 4152400100014 (P,JIA-1212,2009) Graphs. Preprint of Institute for 4152400100015 Nuclear Research. 4152400100016 (R,INDC(CCP)-0451,2009) 4152400100017 REL-REF (N,41503001,A.Alekseev+,P,JIA-1182,2007) 4152400100018 (N,41523001,A.I.Berlev+,P,JIA-1189,2007) 4152400100019 (N,41525001,A.A.Alekseev+,S,ISINN-12,237,2004) 4152400100020 Details of exp. method. 4152400100021 (O,41533001,A.A.Alekseev+,J,AE,109,332,2010) Issue 6. 4152400100022 Other data of J.At.En. in Entry 41533 4152400100023 METHOD (SLODT) Spectrometer LSD-100 (=SVZ-100) 4152400100024 (ASPEC) To define thickness and mass of sample. 4152400100025 FACILITY (LINAC,4RUSJIA) 4152400100026 INC-SOURCE (SPALL) Proton beam of 209 MeV energy,50 Hz frequency. 4152400100027 DETECTOR (FISCH) Fast multisectional ionization fission chambers4152400100028 in exp. channel #4 . 4152400100029 Distance from neutron source about 82 cm. 4152400100030 Registration efficiency for Cm-244 chamber-0.91+-0.03,4152400100031 for Pu-239 chamber - 0.97 +- 0.02. 4152400100032 MONITOR (94-PU-239(N,F),,SIG) 4152400100033 (92-U-235(N,F),,SIG) 4152400100034 U-235 , Pu-239 as monitor of neutron beam. 4152400100035 MONIT-REF (,,3,ENDF/B-VII.0,,2006) 4152400100036 SAMPLE Layer on Al backing (0.1 mm thickness, 20 mm diameter),4152400100037 6 mm diameter . 4152400100038 Isotopes content at the moment of production: 4152400100039 Cm-243 - 0.0180 %, Cm-244 - 99.32 %, Cm-245 - 0.0900%,4152400100040 Cm-246 - 0.560 % . Cm-244 mass 4.51 microg +- 3 %. 4152400100041 Pu-239 (99.9966 % ) monitor sample of 17.3 microg mass.4152400100042 At the moment of experiment (4.40 year after sample 4152400100043 production)- Pu-240 (due to alpha-decay, half-life 4152400100044 18.1+-1 year) impurity - 18.3 % relative to Cm-244 4152400100045 nuclei number. 4152400100046 Pu-240 layer to define contribution of Pu-240 impurity 4152400100047 in sample. 4152400100048 CORRECTION For contribution of impurity of Pu-240, Cm-243, Cm-2454152400100049 in Cm sample. 4152400100050 For background. 4152400100051 For fission fragments losses in fissile layers. 4152400100052 ERR-ANALYS .Statistical uncertainty of ratio : 4152400100053 4.12% average, min 1.90%, max 11.43% for time < 4152400100054 172 microsec; 4152400100055 for time 172 - 400 microsec - from 12% to 40 %; 4152400100056 for time > 400 microsec - 50 - 100%. 4152400100057 . Uncertainty of Cm-244 sample mass definition . 4152400100058 (ERR-1) Uncertainty of measurement of ratio of Cm-244 4152400100059 and Pu-239 alpha-activities. . 4152400100060 (ERR-2) Uncertainty of Cm-244/Pu-239 ratio absolute 4152400100061 normalization . 4152400100062 STATUS (APRVD) 08.09.2010 V.S.Shorin. 4152400100063 Approved V.Shorin 30.03.2011. 4152400100064 HISTORY (20090804C) M.M. 4152400100065 (20100112A) Ref. R,INDC(CCP)-0451,2009, 4152400100066 J,YF,73,(9),1533,2010, J,PAN,73,(9),1486,2010 4152400100067 were inserted . 4152400100068 BIB information was added. 4152400100069 (20101004U) Misprint in page was corrected 1486 ->1487.4152400100070 (20110322A) Data of Subent 007 were replaced by newer 4152400100071 data of J,AE,109,(6),332,2010. 4152400100072 (20120120A) NDS(VZ): REL-REF: ND/B->NDS in 003,004 4152400100073 (20191116U) Year of AE/T was corrected 4152400100074 (20200121U) Minor corrections in all Subents. 4152400100075 ENDBIB 73 0 4152400100076 COMMON 2 3 4152400100077 ERR-1 ERR-2 4152400100078 PER-CENT PER-CENT 4152400100079 1. 4.1 4152400100080 ENDCOMMON 3 0 4152400100081 ENDSUBENT 80 0 4152400199999 SUBENT 41524002 20200121 41864152400200001 BIB 5 21 4152400200002 REACTION (96-CM-244(N,F),,SIG,,RTE/SDT) 4152400200003 REL-REF (A,10121001,M.S.Moore+,J,PR/C,3,1656,1971) 4152400200004 Good agreement with LANL data, reduced to LSDS-100 4152400200005 energy resolution. 4152400200006 (D,12788001,H.T.Maguire Jr+,J,NSE,89,293,1985) 4152400200007 LSDS-100 data are well below values obtained with 4152400200008 LSDS-75 assembly RINS, excluding 5-20 eV region. 4152400200009 ERR-ANALYS (ERR-S) Statistical uncertainty 4.12% for 4152400200010 En> 5.6 eV in average, min- 1.90%, max - 11.43%. 4152400200011 (ERR-T,12.,40.) Relative uncertainty from 12% to 40 %. 4152400200012 STATUS (TABLE) Data received from V.S.Shorin 10.08.2009 . 4152400200013 Data presented in Yad.Fiz.,v.73,is.9,p.1533,2010 4152400200014 Fig.4, Fig.5. 4152400200015 P,JIA-1212 : 4152400200016 Fig.16 top - EN= 0.07 eV -30 keV; 4152400200017 Fig.16 bottom - EN=0.07 eV - 4. eV. 4152400200018 Fig.17 top - EN= 0.7 eV - 20. keV, 4152400200019 Fig.17 bottom - EN= 4.eV - 20. keV. 4152400200020 Fig.2 page 21 of INDC(CCP)-0451,2009- 1.E-4 -20 keV. 4152400200021 HISTORY (20200121A) Minor correction in ERR-ANALYS 4152400200022 Code SDT was added. 4152400200023 ENDBIB 21 0 4152400200024 NOCOMMON 0 0 4152400200025 DATA 3 124 4152400200026 EN DATA ERR-S 4152400200027 EV B*RT-EV B*RT-EV 4152400200028 .2250E+05 .9215E+01 .325E+00 4152400200029 .1602E+05 .8986E+01 .327E+00 4152400200030 .1198E+05 .8429E+01 .317E+00 4152400200031 .9864E+04 .7284E+01 .299E+00 4152400200032 .7877E+04 .7238E+01 .299E+00 4152400200033 .6435E+04 .6544E+01 .290E+00 4152400200034 .5356E+04 .5612E+01 .274E+00 4152400200035 .4527E+04 .5810E+01 .282E+00 4152400200036 .3876E+04 .6261E+01 .294E+00 4152400200037 .3357E+04 .5923E+01 .299E+00 4152400200038 .2935E+04 .6277E+01 .318E+00 4152400200039 .2588E+04 .6984E+01 .347E+00 4152400200040 .2299E+04 .6595E+01 .345E+00 4152400200041 .2056E+04 .7077E+01 .364E+00 4152400200042 .1849E+04 .7045E+01 .363E+00 4152400200043 .1672E+04 .6845E+01 .363E+00 4152400200044 .1520E+04 .6868E+01 .364E+00 4152400200045 .1387E+04 .6889E+01 .355E+00 4152400200046 .1271E+04 .6402E+01 .338E+00 4152400200047 .1104E+04 .6206E+01 .345E+00 4152400200048 .1019E+04 .7294E+01 .365E+00 4152400200049 .9441E+03 .7654E+01 .373E+00 4152400200050 .8769E+03 .8294E+01 .395E+00 4152400200051 .8167E+03 .9472E+01 .418E+00 4152400200052 .7624E+03 .1046E+02 .438E+00 4152400200053 .7134E+03 .9881E+01 .428E+00 4152400200054 .6690E+03 .1041E+02 .433E+00 4152400200055 .6286E+03 .8318E+01 .392E+00 4152400200056 .5917E+03 .8458E+01 .387E+00 4152400200057 .5580E+03 .8033E+01 .375E+00 4152400200058 .5271E+03 .8869E+01 .388E+00 4152400200059 .4987E+03 .7820E+01 .369E+00 4152400200060 .4725E+03 .8840E+01 .389E+00 4152400200061 .4484E+03 .9006E+01 .394E+00 4152400200062 .4260E+03 .8342E+01 .384E+00 4152400200063 .4053E+03 .8572E+01 .391E+00 4152400200064 .3769E+03 .8693E+01 .280E+00 4152400200065 .3435E+03 .8088E+01 .275E+00 4152400200066 .3143E+03 .6335E+01 .252E+00 4152400200067 .2888E+03 .5276E+01 .238E+00 4152400200068 .2661E+03 .4742E+01 .232E+00 4152400200069 .2461E+03 .5560E+01 .247E+00 4152400200070 .2283E+03 .7674E+01 .280E+00 4152400200071 .2123E+03 .8408E+01 .293E+00 4152400200072 .1979E+03 .8945E+01 .302E+00 4152400200073 .1850E+03 .8304E+01 .296E+00 4152400200074 .1732E+03 .7833E+01 .292E+00 4152400200075 .1626E+03 .6424E+01 .273E+00 4152400200076 .1529E+03 .5928E+01 .268E+00 4152400200077 .1441E+03 .5489E+01 .262E+00 4152400200078 .1360E+03 .5497E+01 .264E+00 4152400200079 .1285E+03 .5179E+01 .260E+00 4152400200080 .1217E+03 .5183E+01 .262E+00 4152400200081 .1154E+03 .5046E+01 .260E+00 4152400200082 .1095E+03 .4702E+01 .255E+00 4152400200083 .1041E+03 .5230E+01 .266E+00 4152400200084 .9912E+02 .6104E+01 .283E+00 4152400200085 .9447E+02 .6296E+01 .288E+00 4152400200086 .9013E+02 .6769E+01 .298E+00 4152400200087 .8608E+02 .6877E+01 .301E+00 4152400200088 .8231E+02 .6938E+01 .305E+00 4152400200089 .7877E+02 .6321E+01 .296E+00 4152400200090 .7546E+02 .5113E+01 .277E+00 4152400200091 .7235E+02 .3991E+01 .258E+00 4152400200092 .6943E+02 .3477E+01 .249E+00 4152400200093 .6669E+02 .2905E+01 .239E+00 4152400200094 .6286E+02 .2603E+01 .165E+00 4152400200095 .5826E+02 .2197E+01 .160E+00 4152400200096 .5414E+02 .2068E+01 .158E+00 4152400200097 .5044E+02 .2626E+01 .169E+00 4152400200098 .4711E+02 .2788E+01 .173E+00 4152400200099 .4410E+02 .3387E+01 .184E+00 4152400200100 .4137E+02 .5710E+01 .218E+00 4152400200101 .3889E+02 .8428E+01 .254E+00 4152400200102 .3662E+02 .1181E+02 .292E+00 4152400200103 .3454E+02 .1339E+02 .311E+00 4152400200104 .3264E+02 .1334E+02 .312E+00 4152400200105 .3089E+02 .1126E+02 .293E+00 4152400200106 .2928E+02 .8934E+01 .270E+00 4152400200107 .2779E+02 .7534E+01 .255E+00 4152400200108 .2641E+02 .7967E+01 .263E+00 4152400200109 .2513E+02 .9852E+01 .288E+00 4152400200110 .2394E+02 .1194E+02 .313E+00 4152400200111 .2284E+02 .1311E+02 .329E+00 4152400200112 .2181E+02 .1394E+02 .340E+00 4152400200113 .2084E+02 .1378E+02 .341E+00 4152400200114 .1952E+02 .1258E+02 .235E+00 4152400200115 .1793E+02 .1256E+02 .236E+00 4152400200116 .1654E+02 .1270E+02 .238E+00 4152400200117 .1530E+02 .1022E+02 .220E+00 4152400200118 .1419E+02 .6630E+01 .189E+00 4152400200119 .1320E+02 .3555E+01 .157E+00 4152400200120 .1231E+02 .1758E+01 .135E+00 4152400200121 .1151E+02 .8112E+00 .122E+00 4152400200122 .1078E+02 .1426E+01 .134E+00 4152400200123 .1012E+02 .2092E+01 .147E+00 4152400200124 .9520E+01 .3934E+01 .174E+00 4152400200125 .8980E+01 .6890E+01 .209E+00 4152400200126 .8470E+01 .1019E+02 .244E+00 4152400200127 .8010E+01 .1246E+02 .266E+00 4152400200128 .7590E+01 .1354E+02 .278E+00 4152400200129 .7200E+01 .1260E+02 .273E+00 4152400200130 .6830E+01 .1096E+02 .261E+00 4152400200131 .6500E+01 .7803E+01 .233E+00 4152400200132 .6190E+01 .5360E+01 .208E+00 4152400200133 .5765E+01 .2312E+01 .122E+00 4152400200134 .5260E+01 .5267E+00 .105E+00 4152400200135 .4820E+01 .3133E+00 .106E+00 4152400200136 .4430E+01 .2410E+00 .108E+00 4152400200137 .3912E+01 -.1818E-02 .688E-01 4152400200138 .2925E+01 .6027E-02 .493E-01 4152400200139 .2152E+01 -.9878E-02 .544E-01 4152400200140 .1650E+01 .1083E+00 .591E-01 4152400200141 .1308E+01 .2031E+00 .652E-01 4152400200142 .1062E+01 .1675E+00 .712E-01 4152400200143 .8810E+00 -.3749E-01 .737E-01 4152400200144 .7433E+00 .6151E-01 .775E-01 4152400200145 .5530E+00 .8859E-01 .535E-01 4152400200146 .3125E+00 -.7428E-01 .537E-01 4152400200147 .2020E+00 .5302E-01 .735E-01 4152400200148 .1443E+00 .1060E+00 .989E-01 4152400200149 .1098E+00 .1844E+00 .132E+00 4152400200150 .8825E-01 .3472E+00 .175E+00 4152400200151 .7350E-01 .4678E+00 .231E+00 4152400200152 ENDDATA 126 0 4152400200153 ENDSUBENT 152 0 4152400299999 SUBENT 41524003 20200121 41864152400300001 BIB 6 11 4152400300002 REACTION (96-CM-244(N,F),,ARE) 4152400300003 REL-REF (R,,M.B.Chadwick+,J,NDS,107,2931,2006) 4152400300004 Resonance energy from ENDF/B-VII.0 . 4152400300005 ANALYSIS (SLA) Analysis of measured data for EN < 100.eV. 4152400300006 ERR-ANALYS (DATA-ERR) Includes systematic error due to 4152400300007 normalization. 4152400300008 STATUS (TABLE) Data received from V.S.Shorin 10.08.2009 . 4152400300009 Table 1 of Yad.Fiz.,v.73,is.9,p.1533,2010. 4152400300010 Table 4 of JIA-1212 - preliminary data. 4152400300011 (DEP,41524002) Measured SIG*sqrt(E) 4152400300012 HISTORY (20120120A) NDS(VZ): REL-REF: ND/B->NDS 4152400300013 ENDBIB 11 0 4152400300014 NOCOMMON 0 0 4152400300015 DATA 4 8 4152400300016 EN-RES DATA -DATA-ERR +DATA-ERR 4152400300017 EV B*EV B*EV B*EV 4152400300018 7.67 14.05 1.04 0.92 4152400300019 16.79 17.2 1.43 1.35 4152400300020 22.85 20.0 1.74 1.74 4152400300021 34.99 26.2 2.0 2.3 4152400300022 52.78 4.0 1.5 1.5 4152400300023 67.99 5.0 1.9 1.9 4152400300024 85.96 13.5 2.8 3.2 4152400300025 96.12 10.5 4.6 4.6 4152400300026 ENDDATA 10 0 4152400300027 ENDSUBENT 26 0 4152400399999 SUBENT 41524004 20200121 41864152400400001 BIB 7 16 4152400400002 REACTION (96-CM-244(N,F),,WID) 4152400400003 REL-REF (R,,M.B.Chadwick+,J,NDS,107,2931,2006) 4152400400004 Resonance energy from ENDF/B-VII.0 . 4152400400005 Total and neutron widths from ENDF/B-VII.0 . 4152400400006 ASSUMED (ASSUM1,96-CM-244(N,EL),,WID) 4152400400007 (ASSUM2,96-CM-244(N,TOT),,WID) 4152400400008 (ASSUM3,96-CM-244(N,G),,WID) 4152400400009 ANALYSIS Total gamma width was used as free parameters in 4152400400010 calculations. 4152400400011 ERR-ANALYS (DATA-ERR) Includes the systematic error of neutron 4152400400012 gamma-width. 4152400400013 STATUS (TABLE) Data received from V.S.Shorin 10.08.2009 . 4152400400014 Table 1 of Yad.Fiz.,v.73,is.9,p.1533,2010. 4152400400015 Table 4 of JIA-1212 - preliminary data. 4152400400016 (DEP,41524003) Resonance areas 4152400400017 HISTORY (20120120A) NDS(VZ): REL-REF: ND/B->NDS 4152400400018 ENDBIB 16 0 4152400400019 COMMON 1 3 4152400400020 ASSUM3 4152400400021 MILLI-EV 4152400400022 37. 4152400400023 ENDCOMMON 3 0 4152400400024 DATA 5 8 4152400400025 EN-RES DATA DATA-ERR ASSUM1 ASSUM2 4152400400026 EV MILLI-EV MILLI-EV MILLI-EV MILLI-EV 4152400400027 7.67 0.119 0.010 10.4 47.52 4152400400028 16.79 1.54 0.28 1.9 40.3 4152400400029 22.85 6.3 1.0 0.84 40.84 4152400400030 34.99 2.31 0.23 4.5 44.4 4152400400031 52.78 3.8 1.7 0.56 39.26 4152400400032 67.99 5.3 2.3 0.67 40.67 4152400400033 85.96 0.71 0.16 24.5 62.15 4152400400034 96.12 1.54 0.71 7.3 45.84 4152400400035 ENDDATA 10 0 4152400400036 ENDSUBENT 35 0 4152400499999 SUBENT 41524005 20200121 41864152400500001 BIB 4 8 4152400500002 REACTION (96-CM-244(N,F),,RI,,LIM) 4152400500003 ANALYSIS Derived from data of resonance areas of Subent 003 for 4152400500004 energy region 4.0 - 100. eV 4152400500005 and form data of J,YF,,,2009 (in print) for energy 4152400500006 region 100.eV -20 keV. 4152400500007 ERR-ANALYS (DATA-ERR) Total error 4152400500008 STATUS (TABLE) Data received from V.S.Shorin 10.08.2009 . 4152400500009 (DEP,41524003) Resonance areas 4152400500010 ENDBIB 8 0 4152400500011 NOCOMMON 0 0 4152400500012 DATA 4 2 4152400500013 EN-MIN EN-MAX DATA DATA-ERR 4152400500014 EV EV B B 4152400500015 4.0 100. 4.90 0.19 4152400500016 100. 2.0E+04 1.305 0.053 4152400500017 ENDDATA 4 0 4152400500018 ENDSUBENT 17 0 4152400599999 SUBENT 41524006 20200121 41864152400600001 BIB 5 9 4152400600002 REACTION (96-CM-244(N,F),,RI,,LIM,DERIV) 4152400600003 ANALYSIS Defined as sum of resonance integrals for several 4152400600004 energy regions. 4152400600005 ASSUMED (ASSUM1,96-CM-244(N,F),,RI) in 0.5-4. eV region, 4152400600006 (ASSUM2,96-CM-244(N,F),,RI) in 20.keV-20.MeV region, 4152400600007 estimated using ENDF/B-VII evaluation. 4152400600008 ERR-ANALYS (DATA-ERR) Total error 4152400600009 STATUS (TABLE) Data received from V.S.Shorin 10.08.2009 . 4152400600010 (DEP,41524005) Res.integrals for several energy ranges 4152400600011 ENDBIB 9 0 4152400600012 COMMON 2 3 4152400600013 ASSUM1 ASSUM2 4152400600014 B B 4152400600015 0.1165 7.496 4152400600016 ENDCOMMON 3 0 4152400600017 DATA 4 1 4152400600018 EN-MIN EN-MAX DATA DATA-ERR 4152400600019 EV EV B B 4152400600020 0.5 2.0E+07 13.82 0.56 4152400600021 ENDDATA 3 0 4152400600022 ENDSUBENT 21 0 4152400699999 SUBENT 41524007 20200121 41864152400700001 BIB 3 7 4152400700002 REACTION (96-CM-244(N,F),,RI,,LIM) 4152400700003 ERR-ANALYS (DATA-ERR) Total error. 4152400700004 STATUS (TABLE) Table 4 of J.At.Ener.,v.109,is.6,p.332,2010. 4152400700005 Previous publication in: 4152400700006 Table 2 page 17 of R,INDC(CCP)-0451,2009, 4152400700007 text of R,INDC(CCP)-0451,2009, page 18 - 6.32+-0.26b. 4152400700008 (DEP,41524003) Resonance areas. 4152400700009 ENDBIB 7 0 4152400700010 NOCOMMON 0 0 4152400700011 DATA 4 1 4152400700012 EN-MIN EN-MAX DATA DATA-ERR 4152400700013 EV KEV B B 4152400700014 0.5 20. 6.14 0.31 4152400700015 ENDDATA 3 0 4152400700016 ENDSUBENT 15 0 4152400799999 ENDENTRY 7 0 4152499999999