ENTRY 40832 20090407 41464083200000001 SUBENT 40832001 20090407 41464083200100001 BIB 10 22 4083200100002 INSTITUTE (4RUSFEI) 4083200100003 REFERENCE (S,IAEA-336,198505) 84UPPSAL. Data are given . 4083200100004 IAEA-TECDOC-336 - Proc.of 84UPPSAL. 4083200100005 (C,83KIEV,2,193,198310) Preliminary Data 4083200100006 AUTHOR (A.A.Goverdovskij, A.K.Gordjushin, B.D.Kuz'minov, 4083200100007 V.F.Mitrofanov, A.I.Sergachev) 4083200100008 TITLE U-236-to-U-235 cross-section ratio measurement 4083200100009 for neutron energies 4.24 - 10.7 MeV 4083200100010 INC-SOURCE (D-D) 4083200100011 METHOD Pulse synchronization 4083200100012 DETECTOR (IOCH) Double ionization chamber 4083200100013 CORRECTION For fission fragments slowing in the sample < 0.35%. 4083200100014 For neutron scattering in detector and sample backing 4083200100015 < 0.1%. 4083200100016 For neutrons from concomitant (d,np) reactions 0.2-6.%4083200100017 at EN > 9.MeV. 4083200100018 STATUS From C,84UPPSAL. Reference not checked. 4083200100019 HISTORY (19850129C) 4083200100020 (20090407A) M.M. Subent 003 was corrected. 4083200100021 Dates were corrected for 4-digits year. 4083200100022 Free text was corrected to be human-readable. 4083200100023 BIB information was added. STATUS was added. 4083200100024 ENDBIB 22 0 4083200100025 NOCOMMON 0 0 4083200100026 ENDSUBENT 25 0 4083200199999 SUBENT 40832002 20090407 41464083200200001 BIB 3 12 4083200200002 REACTION ((92-U-236(N,F),,SIG)/(92-U-235(N,F),,SIG)) 4083200200003 SAMPLE Four samples were used 4083200200004 First: U-234 content is .002 %, U-235 - 99.992 %, 4083200200005 U-236 -.004 %, U-238 -.002 %, thickness 4083200200006 0.258 milligram/ cm**2 . 4083200200007 Second: U-235 content is 3.002 % , U-236 -96.87 %, 4083200200008 U-238 - 0.13 %, thickness 0.198 milligr/cm**24083200200009 Third: U-235 content is 4.973 % , U-236 -94.90 % , 4083200200010 U-238 -0.13 %, thickness 0.198 milligr/cm**2.4083200200011 Fourth: U-235 content is 6.943 % , U-236 - 92.929 % ,4083200200012 U-238 - 0.127 % , thickness 0.198 milligram/cm**2. 4083200200013 MONITOR Absolute measurements. 4083200200014 ENDBIB 12 0 4083200200015 NOCOMMON 0 0 4083200200016 DATA 5 3 4083200200017 EN EN-RSL DATA ERR-S ERR-T 4083200200018 MEV KEV NO-DIM PER-CENT PER-CENT 4083200200019 7.3400E+00 7.8000E+01 9.2100E-01 6.6000E-01 1.0000E+00 4083200200020 8.1000E+00 6.8000E+01 8.3200E-01 8.9000E-01 1.2000E+00 4083200200021 8.9100E+00 6.1000E+01 8.3400E-01 7.8000E-01 1.1100E+00 4083200200022 ENDDATA 5 0 4083200200023 ENDSUBENT 22 0 4083200299999 SUBENT 40832003 20090407 41464083200300001 BIB 6 15 4083200300002 REACTION ((92-U-236(N,F),,SIG)/(92-U-235(N,F),,SIG)) 4083200300003 SAMPLE First sample U-234 content is .020 % , U-235 - 4083200300004 99.992 % , U-236 - 0.004 % , U-238- 0.002 % , 4083200300005 thickness 0.410 milligram/cm**2. 4083200300006 Second sample U-234 content is .0001 % , 4083200300007 U-235 -0.047 % , U-236 - 98.845 % ,U-238 - 4083200300008 0.107 % , thickness 0.490 milligram/cm**2. 4083200300009 MONITOR ((92-U-236(N,F),,SIG)/(92-U-235(N,F),,SIG)) 4083200300010 ANALYSIS Energy dependence of ratio was normalized by absolute 4083200300011 measurement of ratio at energies 7.34, 8.10, 9.91 MeV,4083200300012 given in Subent 002. 4083200300013 STATUS (SPSDD,40921002) 4083200300014 (DEP,40832002) 4083200300015 HISTORY (20090407D) Data were deleted as duplication of 4083200300016 40921.002. 4083200300017 ENDBIB 15 0 4083200300018 NOCOMMON 0 0 4083200300019 NODATA 0 0 4083200300020 ENDSUBENT 19 0 4083200399999 ENDENTRY 3 0 4083299999999