ENTRY 14055 20140424 14011405500000001 SUBENT 14055001 20140424 14011405500100001 BIB 9 24 1405500100002 INSTITUTE (1USABRK) 1405500100003 REFERENCE (J,PR/C,41,631,1990) 1405500100004 AUTHOR (D.C.Hoffman,D.M.Lee,K.E.Gregorich,M.J.Nurmia, 1405500100005 R.B.Chadwick,K.B.Chen,K.R.Czerwinski,C.M.Gannett, 1405500100006 H.L.Hall,R.A.Henderson,B.Kadkhodayan,S.A.Kreek, 1405500100007 J.D.Leyba) 1405500100008 TITLE Spontaneous fission properties of 2.9-s No-256 1405500100009 METHOD (ACTIV) 1405500100010 DETECTOR (SI) Pairs of passivated, ion-implanted planar silicon 1405500100011 detectors had a depletion depth of 100 microns and an 1405500100012 active surface area of 100 mm2. 1405500100013 Six pairs of detectors were used to measure the 1405500100014 kinetic energies of the fission fragments and 1405500100015 alpha particles. 1405500100016 SAMPLE Target produced by 248Cm(12C,4n) reaction on 1405500100017 88 inch. cyclotron. 1405500100018 Initial 248Cm2O3 targets, 0.66 or 0.49 mg/cm2, 1405500100019 97 % pure, on a 2.75 mg/cm2 Be foil. Multiple target 1405500100020 system with two Cm-248 targets to maximize the 1405500100021 production of No-256 was used. 1405500100022 DECAY-DATA (102-NO-256,2.9SEC) 1405500100023 HISTORY (20051004C) DR 1405500100024 (20120811U) SD: INC-SOURCE deleted. BIB update. 1405500100025 (20140424A) SD: REACTION code corrected in Subents 2,3.1405500100026 ENDBIB 24 0 1405500100027 NOCOMMON 0 0 1405500100028 ENDSUBENT 27 0 1405500199999 SUBENT 14055002 20140424 14011405500200001 BIB 5 9 1405500200002 REACTION (102-NO-256(0,F)2-HE-4,TER,FY/DE,,REL) 1405500200003 -Alpha particle yields as a function of alpha 1405500200004 energy 1405500200005 -Data are number of events/ 5 keV 1405500200006 EN-SEC (E,A) E is the kinetic energy of the alpha part. 1405500200007 ERR-ANALYS (DATA-ERR) No information 1405500200008 STATUS (CURVE) Data taken from Fig. 5 1405500200009 HISTORY (20140424A) SD: SF4=He-4 added, SF7=A deleted in 1405500200010 REACTION code. 1405500200011 ENDBIB 9 0 1405500200012 NOCOMMON 0 0 1405500200013 DATA 3 20 1405500200014 E DATA DATA-ERR 1405500200015 MEV ARB-UNITS ARB-UNITS 1405500200016 8.380E+00 2.03E+00 1.40E+00 1405500200017 8.385E+00 2.03E+00 1.45E+00 1405500200018 8.390E+00 3.04E+00 1.79E+00 1405500200019 8.395E+00 3.05E+00 1.79E+00 1405500200020 8.400E+00 5.09E+00 2.26E+00 1405500200021 8.405E+00 5.14E+00 2.28E+00 1405500200022 8.410E+00 7.09E+00 2.56E+00 1405500200023 8.415E+00 8.20E+00 2.82E+00 1405500200024 8.420E+00 5.06E+00 2.20E+00 1405500200025 8.424E+00 2.05E+00 1.48E+00 1405500200026 8.430E+00 1.24E+01 3.34E+00 1405500200027 8.435E+00 1.73E+01 4.52E+00 1405500200028 8.440E+00 2.34E+01 5.31E+00 1405500200029 8.445E+00 4.28E+01 6.24E+00 1405500200030 8.450E+00 4.65E+01 7.52E+00 1405500200031 8.455E+00 3.20E+01 6.21E+00 1405500200032 8.460E+00 1.98E+01 4.32E+00 1405500200033 8.465E+00 1.47E+01 3.83E+00 1405500200034 8.470E+00 3.15E+00 1.82E+00 1405500200035 8.474E+00 1.04E+00 1.05E+00 1405500200036 ENDDATA 22 0 1405500200037 ENDSUBENT 36 0 1405500299999 SUBENT 14055003 20140424 14011405500300001 BIB 5 9 1405500300002 REACTION (88-RA-214(0,F)2-HE-4,TER,FY/DE,,REL) 1405500300003 -Alpha particle yields as a function of alpha 1405500300004 energy 1405500300005 -Data are number of events/ 5 keV 1405500300006 EN-SEC (E,A) E is the kinetic energy of the alpha part. 1405500300007 ERR-ANALYS (DATA-ERR) No information 1405500300008 STATUS (CURVE) Data taken from Fig. 5 1405500300009 HISTORY (20140424A) SD: SF4=He-4 added, SF7=A deleted in 1405500300010 REACTION code. 1405500300011 ENDBIB 9 0 1405500300012 NOCOMMON 0 0 1405500300013 DATA 3 16 1405500300014 E DATA DATA-ERR 1405500300015 MEV ARB-UNITS ARB-UNITS 1405500300016 7.089E+00 5.32E+01 7.19E+00 1405500300017 7.095E+00 8.07E+01 9.45E+00 1405500300018 7.100E+00 1.22E+02 8.96E+00 1405500300019 7.105E+00 1.35E+02 9.02E+00 1405500300020 7.110E+00 2.79E+02 1405500300021 7.115E+00 4.63E+02 1405500300022 7.120E+00 9.01E+02 1405500300023 7.125E+00 1.63E+03 1405500300024 7.130E+00 2.25E+03 1405500300025 7.135E+00 2.64E+03 1405500300026 7.140E+00 2.25E+03 1405500300027 7.145E+00 1.55E+03 1405500300028 7.150E+00 8.70E+02 1405500300029 7.155E+00 4.10E+02 1405500300030 7.160E+00 1.71E+02 1.25E+01 1405500300031 7.165E+00 6.05E+01 6.72E+00 1405500300032 ENDDATA 18 0 1405500300033 ENDSUBENT 32 0 1405500399999 SUBENT 14055004 20140424 14011405500400001 BIB 5 7 1405500400002 REACTION (102-NO-256(0,F)MASS,PRE,FY/DE,LF+HF,REL) 1405500400003 Data are number of events/ 10 MeV 1405500400004 EN-SEC (E,LF+HF) kinetic energy of fission fragment pairs 1405500400005 ERR-ANALYS (DATA-ERR) No information 1405500400006 STATUS (CURVE) Data taken from Fig. 6 1405500400007 HISTORY (20140424A) SD: SF6=DE -> FY/DE in REACTION code; 1405500400008 col.E -> TKE in DATA section 1405500400009 ENDBIB 7 0 1405500400010 COMMON 2 3 1405500400011 MASS-MIN MASS-MAX 1405500400012 NO-DIM NO-DIM 1405500400013 60. 160. 1405500400014 ENDCOMMON 3 0 1405500400015 DATA 3 11 1405500400016 TKE DATA DATA-ERR 1405500400017 MEV ARB-UNITS ARB-UNITS 1405500400018 1.45E+02 5.85E+00 2.31E+00 1405500400019 1.55E+02 3.91E+00 2.05E+00 1405500400020 1.65E+02 1.98E+01 4.36E+00 1405500400021 1.75E+02 3.77E+01 6.41E+00 1405500400022 1.85E+02 5.99E+01 7.44E+00 1405500400023 1.95E+02 8.88E+01 9.62E+00 1405500400024 2.05E+02 5.09E+01 7.18E+00 1405500400025 2.15E+02 4.98E+01 7.06E+00 1405500400026 2.25E+02 1.96E+01 4.75E+00 1405500400027 2.35E+02 6.91E+00 2.56E+00 1405500400028 2.45E+02 8.68E-01 1405500400029 ENDDATA 13 0 1405500400030 ENDSUBENT 29 0 1405500499999 SUBENT 14055005 20140424 14011405500500001 BIB 8 22 1405500500002 REACTION 1(102-NO-256(0,F),SEC,AKE,LF+HF) 1405500500003 2(102-NO-256(0,F),SEC,KEP,LF+HF) 1405500500004 3(102-NO-256(0,F),SEC,AKE,HF) 1405500500005 4(102-NO-256(0,F),SEC,KEP,HF) 1405500500006 5(102-NO-256(0,F),SEC,AKE,LF) 1405500500007 6(102-NO-256(0,F),SEC,KEP,LF) 1405500500008 METHOD These energies based on the SKW (Schmitt, Kiker, and 1405500500009 Williams) calibration method (see REL-REF) with the 1405500500010 Weissenberger constants (see REL-REF) which give 1405500500011 181.0 MeV for the post-neutron emission average TKE 1405500500012 for SF of Cf-252. 1405500500013 REL-REF (M,,H.W.Schmitt+,J,PR,137,B837,1965) 1405500500014 (M,,E.Weissenberger+,J,NIM/A,248,506,1986) 1405500500015 ADD-RES Pre-neutron-emission were deduced from the measured 1405500500016 post-neutron data using the procedure described in the 1405500500017 PR/C,41,631,1990 1405500500018 MISC-COL Full width at half maximum, calculated from 2.35*sigma 1405500500019 for Gaussian fit to the top half of the peak 1405500500020 ERR-ANALYS (DATA-ERR) Standard deviation from Gaussian fit 1405500500021 from abstract (REACTION 1) 1405500500022 STATUS (TABLE) Data taken from Table 1 of PR/C,41,631,1990 1405500500023 HISTORY (20140424C) SD 1405500500024 ENDBIB 22 0 1405500500025 NOCOMMON 0 0 1405500500026 DATA 12 1 1405500500027 DATA 1DATA 2DATA-ERR 2MISC 2DATA 3DATA 41405500500028 DATA-ERR 4MISC 4DATA 5DATA 6DATA-ERR 6MISC 61405500500029 MEV MEV PER-CENT MEV MEV MEV 1405500500030 MEV MEV MEV MEV PER-CENT MEV 1405500500031 192.1 192.1 1.5 40.2 85.7 86.8 1405500500032 1.5 29.6 106.4 106.8 1.5 22.1 1405500500033 ENDDATA 6 0 1405500500034 ENDSUBENT 33 0 1405500599999 SUBENT 14055006 20140424 14011405500600001 BIB 4 7 1405500600002 REACTION (102-NO-256(0,F)MASS,PRE,FY/DE,LF,REL) 1405500600003 Data are number of events/ 10 MeV 1405500600004 EN-SEC (E,LF) 1405500600005 ERR-ANALYS (E-ERR-DIG) Digitizing error 1405500600006 (ERR-DIG) Digitizing error 1405500600007 (DATA-ERR) No information 1405500600008 STATUS (CURVE) Data taken from Fig. 7 of PR/C,41,631,1990 1405500600009 ENDBIB 7 0 1405500600010 COMMON 4 3 1405500600011 MASS-MIN MASS-MAX E-ERR-DIG ERR-DIG 1405500600012 NO-DIM NO-DIM MEV NO-DIM 1405500600013 60. 160. 0.1 0.1 1405500600014 ENDCOMMON 3 0 1405500600015 DATA 3 7 1405500600016 E DATA DATA-ERR 1405500600017 MEV ARB-UNITS ARB-UNITS 1405500600018 75.1 0.3 0.9 1405500600019 85.2 11.4 3.2 1405500600020 94.5 51.1 7.3 1405500600021 104.7 133.8 11.7 1405500600022 114.5 114.0 10.4 1405500600023 124.4 35.1 5.7 1405500600024 134.9 1. 1.3 1405500600025 ENDDATA 9 0 1405500600026 ENDSUBENT 25 0 1405500699999 SUBENT 14055007 20140424 14011405500700001 BIB 4 7 1405500700002 REACTION (102-NO-256(0,F)MASS,PRE,FY/DE,HF,REL) 1405500700003 Data are number of events/ 10 MeV 1405500700004 EN-SEC (E,HF) 1405500700005 ERR-ANALYS (E-ERR-DIG) Digitizing error 1405500700006 (ERR-DIG) Digitizing error 1405500700007 (DATA-ERR) No information 1405500700008 STATUS (CURVE) Data taken from Fig. 7 of PR/C,41,631,1990 1405500700009 ENDBIB 7 0 1405500700010 COMMON 4 3 1405500700011 MASS-MIN MASS-MAX E-ERR-DIG ERR-DIG 1405500700012 NO-DIM NO-DIM MEV NO-DIM 1405500700013 60. 160. 0.1 0.1 1405500700014 ENDCOMMON 3 0 1405500700015 DATA 3 9 1405500700016 E DATA DATA-ERR 1405500700017 MEV ARB-UNITS ARB-UNITS 1405500700018 45.2 0.2 1.3 1405500700019 54.9 9.1 3.2 1405500700020 65.0 31.8 5.7 1405500700021 75.0 59.0 7.9 1405500700022 84.6 91.2 9.2 1405500700023 94.7 105.1 9.8 1405500700024 104.6 41.1 6.3 1405500700025 114.7 9.2 2.8 1405500700026 124.8 0.4 1.3 1405500700027 ENDDATA 11 0 1405500700028 ENDSUBENT 27 0 1405500799999 ENDENTRY 7 0 1405599999999