ENTRY 30588 20170724 31803058800000001 SUBENT 30588001 20170724 31803058800100001 BIB 12 39 3058800100002 TITLE Measurements of fission cross sections around 14 MeV 3058800100003 AUTHOR (M.Varnagy,J.Csikai) 3058800100004 INSTITUTE (3HUNKOS) 3058800100005 REFERENCE (J,NIM,196,465,1982) Final report 3058800100006 (S,ZFK-459,51,1981) Data in figs 3058800100007 ((C,80KIEV,3,13,1980)=(S,INDC(CCP)-169,(3),13,1980)) 3058800100008 Data in figs 3058800100009 FACILITY (CCW,3HUNKOS) 180 kV Cockcroft-Walton generator 3058800100010 INC-SOURCE (D-T) deuteron on TiT (150 ug/cm2 thick) on Al backing 3058800100011 (0.3 mm thick) 3058800100012 METHOD Two detector foils and two fissile samples (e.g., 238U 3058800100013 and 235U) stacked in 2-pi geometry on front window of 3058800100014 fission chamber 3058800100015 DETECTOR (TRD) Makrofol KG polycarbonate (12 um thick, 30 mm in 3058800100016 diam.) 3058800100017 (FISCH) To monitor neutron flux 3058800100018 CORRECTION Corrected for 3058800100019 - Detector efficiency (1.2%-17.5%) 3058800100020 - Spark-counting efficiency (1.0%-3.8%) 3058800100021 - Neutron flux variation (0.9%) 3058800100022 - Fission due to other isotopes (0.8%) 3058800100023 - Forward-backward anisotropy - negligible 3058800100024 - Thermal neutrons - negligible 3058800100025 Total (3.8-23.4%) 3058800100026 ERR-ANALYS (ERR-T) Total uncertainty propagated from 3058800100027 (ERR-S,1.1,1.5) Statistics (1.1%-1.5%) 3058800100028 (ERR-1,2.6,4.3) Mass ratio (2.6%-4.3%) 3058800100029 (ERR-2,3.2,4.5) Detector efficiency (3.2%-4.5%) 3058800100030 (ERR-3) Spark-counting efficiency (0.2%) 3058800100031 (ERR-4) Neutron flux variation (0.1%) 3058800100032 (ERR-5) Fission due to other isotopes (0.1%) 3058800100033 STATUS (TABLE) Table 2 of Nucl.Instrum.Meth.196(1982)465 3058800100034 (APRVD) M.Varnagy, 1986-12-16 3058800100035 HISTORY (19810728C) OS. 3058800100036 (19830608U) DG. -Added final report.- 3058800100037 (19881012A) VOF, -reference added+author's approval 3058800100038 (20090503A) SD: Updated to new date formats,lower case,3058800100039 COMMON section added to Subent 001. 3058800100040 (20170724A) On. ERR-ANALYS updated. 3058800100041 ENDBIB 39 0 3058800100042 COMMON 3 3 3058800100043 ERR-3 ERR-4 ERR-5 3058800100044 PER-CENT PER-CENT PER-CENT 3058800100045 0.2 0.1 0.1 3058800100046 ENDCOMMON 3 0 3058800100047 ENDSUBENT 46 0 3058800199999 SUBENT 30588002 20170724 31803058800200001 BIB 3 11 3058800200002 REACTION ((92-U-238(N,F),,SIG)/(92-U-235(N,F),,SIG)) 3058800200003 SAMPLE Areal density relative to 235U (170+/-3.4 ug/cm2) is 3058800200004 1.129+/-0.048 (238U). 3058800200005 Isotopic composition: 3058800200006 U-238: Depleted by a factor of 230. 3058800200007 U-235: 99.9955+/-0.01% 235U, 3058800200008 0.0010+/-0.0005% 234U, 3058800200009 0.0035+/-0.0005% 236U, 3058800200010 0.0005% 238U. 3058800200011 HISTORY (19830608A) DG.-Results of final report.- 3058800200012 (20170724U) On. SAMPLE moved from 001. 3058800200013 ENDBIB 11 0 3058800200014 NOCOMMON 0 0 3058800200015 DATA 4 6 3058800200016 EN EN-ERR DATA ERR-T 3058800200017 MEV MEV NO-DIM NO-DIM 3058800200018 13.52 0.12 0.528 0.031 3058800200019 13.75 0.10 0.541 0.031 3058800200020 14.12 0.08 0.552 0.032 3058800200021 14.45 0.12 0.554 0.032 3058800200022 14.70 0.15 0.575 0.033 3058800200023 14.80 0.17 0.573 0.033 3058800200024 ENDDATA 8 0 3058800200025 ENDSUBENT 24 0 3058800299999 SUBENT 30588003 20170724 31803058800300001 BIB 3 13 3058800300002 REACTION ((92-U-235(N,F),,SIG)/(93-NP-237(N,F),,SIG)) 3058800300003 SAMPLE Areal density relative to 235U (170+/-3.4 ug/cm2) is 3058800300004 0.849+/-0.031 (237Np). 3058800300005 Isotopic composition: 3058800300006 Np-237: 99.9917+/-0.0010% 237Np, 3058800300007 0.0078+/-0.0006% 239Pu, 3058800300008 0.0005% 241Am+238Pu 3058800300009 U-235: 99.9955+/-0.01% 235U, 3058800300010 0.0010+/-0.0005% 234U, 3058800300011 0.0035+/-0.0005% 236U, 3058800300012 0.0005% 238U. 3058800300013 HISTORY (19830608A) DG.-Result of final report.- 3058800300014 (20170724U) On. SAMPLE moved from 001. 3058800300015 ENDBIB 13 0 3058800300016 NOCOMMON 0 0 3058800300017 DATA 4 5 3058800300018 EN EN-ERR DATA ERR-T 3058800300019 MEV MEV NO-DIM NO-DIM 3058800300020 13.52 0.12 0.882 0.045 3058800300021 13.75 0.10 0.895 0.046 3058800300022 14.12 0.08 0.901 0.046 3058800300023 14.45 0.12 0.889 0.046 3058800300024 14.80 0.17 0.883 0.045 3058800300025 ENDDATA 7 0 3058800300026 ENDSUBENT 25 0 3058800399999 SUBENT 30588004 20170724 31803058800400001 BIB 3 11 3058800400002 REACTION ((92-U-238(N,F),,SIG)/(93-NP-237(N,F),,SIG)) 3058800400003 SAMPLE Areal density relative to 235U (170+/-3.4 ug/cm2) is 3058800400004 1.129+/-0.048 (238U), 3058800400005 0.849+/-0.031 (237Np). 3058800400006 Isotopic composition: 3058800400007 U-238:Depleted by a factor of 230. 3058800400008 Np-237:99.9917+/-0.0010% 237Np, 3058800400009 0.0078+/-0.0006% 239Pu, 3058800400010 0.0005% 241Am+238Pu. 3058800400011 HISTORY (19830608A) DG.-Results of final report.- 3058800400012 (20170724U) On. SAMPLE moved from 001. 3058800400013 ENDBIB 11 0 3058800400014 NOCOMMON 0 0 3058800400015 DATA 4 6 3058800400016 EN EN-ERR DATA ERR-T 3058800400017 MEV MEV NO-DIM NO-DIM 3058800400018 13.52 0.12 0.469 0.020 3058800400019 13.75 0.10 0.481 0.021 3058800400020 14.12 0.08 0.486 0.021 3058800400021 14.45 0.12 0.489 0.021 3058800400022 14.70 0.15 0.497 0.022 3058800400023 14.80 0.17 0.497 0.022 3058800400024 ENDDATA 8 0 3058800400025 ENDSUBENT 24 0 3058800499999 SUBENT 30588005 20170724 31803058800500001 BIB 3 12 3058800500002 REACTION ((94-PU-239(N,F),,SIG)/(92-U-235(N,F),,SIG)) 3058800500003 SAMPLE Areal density relative to 235U (170+/-3.4 ug/cm2) is 3058800500004 3.847+/-0.163 (239Pu). 3058800500005 Isotopic composition: 3058800500006 Pu-239: 99.15+/-0.02% 239Pu, 3058800500007 0.0036+/-0.0006% 241Am+238Pu 3058800500008 U-235: 99.9955+/-0.01% 235U, 3058800500009 0.0010+/-0.0005% 234U, 3058800500010 0.0035+/-0.0005% 236U, 3058800500011 0.0005% 238U. 3058800500012 HISTORY (19830608A) DG.-Results of final report.- 3058800500013 (20170724U) On. SAMPLE moved from 001. 3058800500014 ENDBIB 12 0 3058800500015 NOCOMMON 0 0 3058800500016 DATA 4 6 3058800500017 EN EN-ERR DATA ERR-T 3058800500018 MEV MEV NO-DIM NO-DIM 3058800500019 13.52 0.12 1.146 0.070 3058800500020 13.75 0.10 1.138 0.069 3058800500021 14.12 0.08 1.130 0.069 3058800500022 14.45 0.12 1.126 0.069 3058800500023 14.70 0.15 1.124 0.069 3058800500024 14.80 0.17 1.120 0.068 3058800500025 ENDDATA 8 0 3058800500026 ENDSUBENT 25 0 3058800599999 ENDENTRY 5 0 3058899999999