ENTRY 40927 20210618 41964092700000001 SUBENT 40927001 20210618 41964092700100001 BIB 10 40 4092700100002 TITLE Absolute measurements of the 237Np and 233U fission 4092700100003 cross-sections at 1.9 MeV neutron energy using the 4092700100004 time-correlated associated particle method and a 4092700100005 magnetic analyzer 4092700100006 AUTHOR (V.A.Kalinin, S.S.Kovalenko, V.N.Kyz'min, Yu.A.Nemilov,4092700100007 L.M.Solin, V.I.Shpakov) 4092700100008 INSTITUTE (4RUSRI) 4092700100009 REFERENCE ((J,YK,,(4),3,1987)=(R,INDC(CCP)-284,3,1987)) 4092700100010 233U(n,f) and 237Np(n,f) data given 4092700100011 (R,INDC(CCP)-365,23,1994) Eng. trans.of YK,,(4),3,1987 4092700100012 ((J,YK,,(4),19,1986)=(R,INDC(CCP)-268,19,1986)) 4092700100013 (R,INDC(CCP)-302,33,1989) Eng. trans.of YK,,(4),19,19864092700100014 Author - V.I.Shpakov. 4092700100015 REL-REF (O,30706001,C.Herbach+,S,ZFK-592,152,1986) 4092700100016 235U(n,f) and 239Pu(n,f) data measured at Rossendorf 4092700100017 (M,,R.Arlt+,C,79KNOX,,990,1979) 4092700100018 Time-correlated associated particle method 4092700100019 EXP-YEAR (1984) 1984-1985 4092700100020 FACILITY (VDG,4RUSRI) 4092700100021 METHOD (ASSOP) 4092700100022 DETECTOR (FISCH) Multilayer ionization chambers for fission 4092700100023 fragments 4092700100024 (SIBAR) Surface-barrier Si detector for 3He detection 4092700100025 HISTORY (19870806C) Compiled at the CJD 4092700100026 (20010315A) DATE, INSTITUTE code are corrected 4092700100027 (20060801A) M.M. 5th reference was added. 4092700100028 Corrections explanation and decay data were added. 4092700100029 (20070914A) M.M. Subent .005 was corrected. 4092700100030 Subent .006 was added. 4092700100031 (20160604U) SD: Ref. YK,,(4),3,1987 -> YK,1987,(4),3; 4092700100032 Refs INDC(CCP)-268,19;INDC(CCP)-284,3;INDC(CCP)-365,234092700100033 were added. Title update following INDC(CCP)-365,23. 4092700100034 DECAY-DATA corrected in Subent 002. 4092700100035 (20170710U) M.M. Previous correction of SD was 4092700100036 checked at CJD. 4092700100037 J,YK,1986,(4),19,1986 -> J,YK,,(4),19,1986 4092700100038 J,YK,1987,(4),3,1987 -> J,YK,,(4),3,1987 4092700100039 (20210618D) On. 005 deleted.Same data in 30706.004-006.4092700100040 (20210618A) On. Major revisions in 002-004. 4092700100041 (20210621U) Minor correction of free text. 4092700100042 ENDBIB 40 0 4092700100043 NOCOMMON 0 0 4092700100044 ENDSUBENT 43 0 4092700199999 SUBENT 40927002 20210618 41964092700200001 BIB 8 34 4092700200002 REACTION (92-U-233(N,F),,SIG) 4092700200003 INC-SOURCE (D-D) 2.7 MeV deuteron on deuterated polyethylene foil 4092700200004 (2.1+/-0.1 mg/cm2 thick) 4092700200005 SAMPLE 0.214 mg/cm2 and 0.255 mg/cm2 4092700200006 92-U-232,ENR<0.003% 4092700200007 (92-U-233,ENR=0.82899) (82.899+/-0.100) % 4092700200008 (92-U-234,ENR=0.00332) (0.332+/-0.014) % 4092700200009 (92-U-235,ENR=0.00141) (0.141+/-0.010) % 4092700200010 (92-U-238,ENR=0.16628) (16.628+/-0.038) % 4092700200011 DECAY-DATA (92-U-233,1.592E+05YR) (1.592+-0.002)*10**5 yr 4092700200012 (92-U-234,2.454E+05YR) (2.454+-0.006)*10**5 yr 4092700200013 (92-U-235,7.037E+08YR) (7.037+-0.011)*10**8 yr 4092700200014 (92-U-238,4.468E+09YR) (4.468+-0.005)*10**9 yr 4092700200015 (92-U-232,69.8YR) 69.8+-1.0 yr 4092700200016 CORRECTION Corrected for 4092700200017 - random coincidence background (13.3%)4092700200018 - fission fragment spectrum extrapolation to zero(1.8%)4092700200019 - fission fragment absorption in sample (1%)4092700200020 - U-238 admixture in sample (4.5%)4092700200021 - neutron scattering on hardware components (0.2%)4092700200022 ERR-ANALYS (ERR-S) coincidence statistics (3%)4092700200023 (ERR-1) random coincidence background (1.1%)4092700200024 (ERR-2) fiss.frag.spectrum extrapolation to zero (0.6%)4092700200025 (ERR-3) fiss.frag.absorption in sample (0.3%)4092700200026 (ERR-4) sample weighing (2%)4092700200027 (ERR-5) U-238 admixture in sample (0.2%)4092700200028 (ERR-6) neutron scattering on hardware components(0.1%)4092700200029 (ERR-T) Total error (3.8%)4092700200030 STATUS (TABLE) Tables 3+4 of INDC(CCP)-284,3,1987 4092700200031 HISTORY (20160604A) SD: hl=4.468E+5yr -> 4.468E+9yr in 4092700200032 DECAY-DATA. 4092700200033 (20210618A) On. Updated with INDC(CCP)-284,3,1987 4092700200034 (20210321U) M.M. Correction of free text in SAMPLE and 4092700200035 DECAY-DATA 4092700200036 ENDBIB 34 0 4092700200037 COMMON 6 3 4092700200038 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 4092700200039 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 4092700200040 1.1 0.6 0.3 2. 0.2 0.1 4092700200041 ENDCOMMON 3 0 4092700200042 DATA 5 1 4092700200043 EN EN-RSL-HW DATA ERR-T ERR-S 4092700200044 MEV MEV B PER-CENT PER-CENT 4092700200045 1.94 0.03 1.93 3.8 3. 4092700200046 ENDDATA 3 0 4092700200047 ENDSUBENT 46 0 4092700299999 SUBENT 40927003 20210618 41964092700300001 BIB 7 25 4092700300002 REACTION (92-U-235(N,F),,SIG) 4092700300003 INC-SOURCE (D-D) Deuteron on deuterated polyethylene foil 4092700300004 (1-2 mg/cm2 thick) 4092700300005 SAMPLE Isotopically pure sample 4092700300006 CORRECTION Corrected for 4092700300007 - random coincidence background (1.82%) 4092700300008 - fiss.frag.spectrum extrapolation to zero (3.96%) 4092700300009 - fiss.frag.absorption in sample (1.98%) 4092700300010 - associated particle counting, background (0.05%) 4092700300011 - neutron scattering on hardware components (0.35%) 4092700300012 - effective thickness of target layer (0.12%) 4092700300013 ERR-ANALYS (ERR-S) coincidence statistics (1.95%)4092700300014 (ERR-1) random coincidence background (0.26%)4092700300015 (ERR-2) fiss.frag.spectrum extrapolation to zero(0.50%)4092700300016 (ERR-3) fiss.frag.absorption in sample (0.85%)4092700300017 (ERR-4) associated particle counting, background(0.02%)4092700300018 (ERR-5) neutron scattering on hardware component(0.40%)4092700300019 (ERR-6) effective thickness of target layer (0.08%)4092700300020 (ERR-7) surface density of fissile layer (0.93%)4092700300021 (ERR-8) inhomogeneity of fissile layer (0.72%)4092700300022 (ERR-T) Total error (2.52%)4092700300023 STATUS (TABLE) Table of INDC(CCP)-302,33,1989 4092700300024 (SPSDD,41112002) 4092700300025 HISTORY (20210618A) On. En=4.45 and 18.8 MeV data deleted. 4092700300026 Duplication of 30706.002 and 003. 4092700300027 ENDBIB 25 0 4092700300028 COMMON 8 6 4092700300029 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 4092700300030 ERR-7 ERR-8 4092700300031 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 4092700300032 PER-CENT PER-CENT 4092700300033 0.26 0.50 0.85 0.02 0.40 0.08 4092700300034 0.93 0.72 4092700300035 ENDCOMMON 6 0 4092700300036 DATA 4 1 4092700300037 EN DATA ERR-T ERR-S 4092700300038 MEV B PER-CENT PER-CENT 4092700300039 1.88 1.26 2.52 1.95 4092700300040 ENDDATA 3 0 4092700300041 ENDSUBENT 40 0 4092700399999 SUBENT 40927004 20210618 41964092700400001 BIB 7 20 4092700400002 REACTION (93-NP-237(N,F),,SIG) 4092700400003 INC-SOURCE (D-D) 2.7 MeV deuteron on deuterated polyethylene foil 4092700400004 (2.1+/-0.1 mg/cm2 thick) 4092700400005 SAMPLE Isotopically pure sample, 4092700400006 0.195, 0.245 and 0.250 mg/cm2 thick 4092700400007 CORRECTION Corrected for 4092700400008 - random coincidence background (4.7%)4092700400009 - fission fragment spectrum extrapolation to zero(4.5%)4092700400010 - fission fragment absorption in sample (0.95%)4092700400011 - neutron scattering on hardware components (0.2%)4092700400012 ERR-ANALYS (ERR-S) coincidence statistics (1.9%)4092700400013 (ERR-1) random coincidence background (0.7%)4092700400014 (ERR-2) fiss.frag.spectrum extrapolation to zero (0.7%)4092700400015 (ERR-3) fiss.frag.absorption in sample (0.30%)4092700400016 (ERR-4) sample weighing (2%)4092700400017 (ERR-6) neutron scattering on hardware components(0.1%)4092700400018 (ERR-T) Total error (2.9%)4092700400019 STATUS (TABLE) Tables 3+4 of INDC(CCP)-284,3,1987 4092700400020 HISTORY (20210618A) On. Updated with INDC(CCP)-284,3,1987 4092700400021 (20210321U) Correction of free text in SAMPLE 4092700400022 ENDBIB 20 0 4092700400023 COMMON 5 3 4092700400024 ERR-1 ERR-2 ERR-3 ERR-4 ERR-6 4092700400025 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 4092700400026 0.7 0.7 0.30 2. 0.1 4092700400027 ENDCOMMON 3 0 4092700400028 DATA 5 1 4092700400029 EN EN-RSL-HW DATA ERR-T ERR-S 4092700400030 MEV MEV B PER-CENT PER-CENT 4092700400031 1.90 0.03 1.73 2.9 1.9 4092700400032 ENDDATA 3 0 4092700400033 ENDSUBENT 32 0 4092700499999 NOSUBENT 40927005 20210618 41964092700500001 SUBENT 40927006 20210618 41964092700600001 BIB 7 26 4092700600002 REACTION (94-PU-239(N,F),,SIG) 4092700600003 INC-SOURCE (D-D) Deuteron on deuterated polyethylene foil 4092700600004 (1-2 mg/cm2 thick) 4092700600005 SAMPLE Isotopically pure sample 4092700600006 CORRECTION Corrected for 4092700600007 - random coincidence background (9.06%) 4092700600008 - fiss.frag.spectrum extrapolation to zero (2.03%) 4092700600009 - fiss.frag.absorption in sample (0.63%) 4092700600010 - associated particle counting, background (0.10%) 4092700600011 - neutron scattering on hardware components (0.38%) 4092700600012 - effective thickness of target layer (0.12%) 4092700600013 - surface density of fissile layer (1.00%) 4092700600014 ERR-ANALYS (ERR-S) coincidence statistics (2.10%)4092700600015 (ERR-1) random coincidence background (0.60%)4092700600016 (ERR-2) fiss.frag.spectrum extrapolation to zero(0.76%)4092700600017 (ERR-3) fiss.frag.absorption in sample (0.30%)4092700600018 (ERR-4) associated particle counting, background(0.05%)4092700600019 (ERR-5) neutron scattering on hardware component(0.40%)4092700600020 (ERR-6) effective thickness of target layer (0.08%)4092700600021 (ERR-7) surface density of fissile layer (1.00%)4092700600022 (ERR-8) inhomogeneity of fissile layer (0.88%)4092700600023 (ERR-T) Total error (2.72%)4092700600024 STATUS (TABLE) Table of INDC(CCP)-302,33,1989 4092700600025 HISTORY (20070914C) Data for EN=1.92 MeV moved from SUBENT.005 4092700600026 into Subent.006. M.M. I 4092700600027 (20210618U) On. ERR-ANALYS+CORRECTION moved from 001. 4092700600028 ENDBIB 26 0 4092700600029 COMMON 8 6 4092700600030 ERR-1 ERR-2 ERR-3 ERR-4 ERR-5 ERR-6 4092700600031 ERR-7 ERR-8 4092700600032 PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT PER-CENT 4092700600033 PER-CENT PER-CENT 4092700600034 0.60 0.76 0.30 0.05 0.40 0.08 4092700600035 1.00 0.88 4092700600036 ENDCOMMON 6 0 4092700600037 DATA 4 1 4092700600038 EN DATA ERR-T ERR-S 4092700600039 MEV B PER-CENT PER-CENT 4092700600040 1.92 2.01 2.72 2.10 4092700600041 ENDDATA 3 0 4092700600042 ENDSUBENT 41 0 4092700699999 ENDENTRY 6 0 4092799999999