ENTRY 12519 20220120 14961251900000001 SUBENT 12519001 20220120 14961251900100001 BIB 8 18 1251900100002 TITLE Absorption and fission cross sections of 49 in the 1251900100003 neutron energy range 0.01 eV to 100 eV 1251900100004 AUTHOR (E.E.Anderson,E.D.McDaniel,R.B.Sutton,L.S.Lavatelli) 1251900100005 REFERENCE (R,LA-266,1945) 1251900100006 REL-REF (M,14728001,E.E.Anderson+,R,LA-82,1944) Method of 1251900100007 comparing the counting rate in the modulated neutron 1251900100008 beam. 1251900100009 (O,14734001,E.E.Anderson+,R,LA-91,1944) Earlier 1251900100010 measurement. 1251900100011 INSTITUTE (1USALAS) 1251900100012 FACILITY (SELVE,1USALAS) Slow neutron velocity selector. 1251900100013 DETECTOR (BF3,FISCH) 49 [94-Pu-239] fission chamber. 1251900100014 HISTORY (19760804T) Translated from SCISRS. 1251900100015 (19830809A) Converted to reaction formalism 1251900100016 (20220120A) BP: Updated to new date formats, lower 1251900100017 case. Corrections according last EXFOR 1251900100018 rules and Dict. Added REL-REF and BIB 1251900100019 information. 1251900100020 ENDBIB 18 0 1251900100021 NOCOMMON 0 0 1251900100022 ENDSUBENT 21 0 1251900199999 SUBENT 12519002 20220120 14961251900200001 BIB 4 8 1251900200002 REACTION (94-PU-239(N,TOT),,SIG) 1251900200003 ANALYSIS Total cross section, no scattering as shown in Fig 4. 1251900200004 Can be extracted using formula in the left bottom 1251900200005 figure corner and the absorption and scattering cross 1251900200006 section values: sigma tot. = sigma abs. + sigma scat. 1251900200007 ERR-ANALYS (DATA-ERR) No details on sources of uncertainties. 1251900200008 STATUS (DEP,12519003) 1251900200009 (TABLE) page 9 of report LA-266,1945. 1251900200010 ENDBIB 8 0 1251900200011 NOCOMMON 0 0 1251900200012 DATA 3 1 1251900200013 EN DATA DATA-ERR 1251900200014 MEV B B 1251900200015 2.53E-08 1.045E+03 2.5E+01 1251900200016 ENDDATA 3 0 1251900200017 ENDSUBENT 16 0 1251900299999 SUBENT 12519003 20220120 14961251900300001 BIB 6 8 1251900300002 REACTION (94-PU-239(N,ABS),,SIG) 1251900300003 REL-REF (R,,E.Fermi,W,FERMI,1945) Scattering cross section. 1251900300004 ASSUMED (ASSUM,94-PU-239(N,SCT)94-PU-239,,SIG) 1251900300005 ANALYSIS Scattering cross section was subtracted from the total.1251900300006 As shown in Fig 4: From measured total, assuming 1251900300007 scattering cross section of 9.6 b. 1251900300008 ERR-ANALYS (DATA-ERR) No details on sources of uncertainties. 1251900300009 STATUS (TABLE) page 9 of report LA-266,1945. 1251900300010 ENDBIB 8 0 1251900300011 NOCOMMON 0 0 1251900300012 DATA 4 1 1251900300013 EN DATA DATA-ERR ASSUM 1251900300014 MEV B B B 1251900300015 2.53E-08 1.035E+03 2.5E+01 9.6 1251900300016 ENDDATA 3 0 1251900300017 ENDSUBENT 16 0 1251900399999 SUBENT 12519004 20220120 14961251900400001 BIB 3 4 1251900400002 REACTION 1(94-PU-239(N,TOT),,SIG,,RES) 1251900400003 2(94-PU-239(N,TOT),,WID) 1251900400004 ERR-ANALYS1(DATA-ERR) No information on sources of uncertainty 1251900400005 STATUS (TABLE) page 9 of report LA-266,1945. 1251900400006 ENDBIB 4 0 1251900400007 NOCOMMON 0 0 1251900400008 DATA 4 1 1251900400009 EN-RES DATA 1DATA-ERR 1DATA 2 1251900400010 EV B B MILLI-EV 1251900400011 0.295 5600. 250. 97. 1251900400012 ENDDATA 3 0 1251900400013 ENDSUBENT 12 0 1251900499999 SUBENT 12519005 20220120 14961251900500001 BIB 2 2 1251900500002 REACTION (94-PU-239(N,0),,EN) 1251900500003 STATUS (TABLE) page 9 of report LA-266,1945. 1251900500004 ENDBIB 2 0 1251900500005 NOCOMMON 0 0 1251900500006 DATA 1 2 1251900500007 DATA 1251900500008 MEV 1251900500009 1.2E-05 1251900500010 6.0E-05 1251900500011 ENDDATA 4 0 1251900500012 ENDSUBENT 11 0 1251900599999 SUBENT 12519006 20220120 14961251900600001 BIB 3 5 1251900600002 REACTION (94-PU-239(N,F),,SIG) 1251900600003 COMMENT Compiler's comment: Cannot trace these data in 1251900600004 original publications. Perhaps, they were not reported 1251900600005 but used to deduce reaction rates. 1251900600006 STATUS (CURVE) Read from curves in BNL-250. 1251900600007 ENDBIB 5 0 1251900600008 NOCOMMON 0 0 1251900600009 DATA 2 38 1251900600010 EN DATA 1251900600011 EV B 1251900600012 0.52 177. 1251900600013 0.522 148. 1251900600014 0.6 110. 1251900600015 0.705 88. 1251900600016 0.75 75. 1251900600017 0.815 61. 1251900600018 0.975 56.5 1251900600019 1.15 38.5 1251900600020 1.2 37.5 1251900600021 1.4 34.5 1251900600022 1.84 28. 1251900600023 2.1 23.5 1251900600024 2.38 24. 1251900600025 3.3 14.3 1251900600026 3.87 13.4 1251900600027 4.3 11.8 1251900600028 4.7 13.7 1251900600029 4.8 19.5 1251900600030 5.15 17.2 1251900600031 5.8 37.5 1251900600032 6.6 68. 1251900600033 7.25 80.5 1251900600034 8.25 85. 1251900600035 9.6 132. 1251900600036 11.2 122. 1251900600037 12.8 105. 1251900600038 12.8 88. 1251900600039 15.7 82.5 1251900600040 15.7 69.5 1251900600041 18.8 43.5 1251900600042 23.8 31.5 1251900600043 29.3 19.5 1251900600044 38. 31.8 1251900600045 51.3 52.5 1251900600046 75.5 42.4 1251900600047 120. 22.3 1251900600048 210. 14.5 1251900600049 475. 9.6 1251900600050 ENDDATA 40 0 1251900600051 ENDSUBENT 50 0 1251900699999 ENDENTRY 6 0 1251999999999