ENTRY 23023 20131213 22382302300000001 SUBENT 23023001 20131213 22382302300100001 BIB 12 45 2302300100002 TITLE Measurement of the 236U(n,f) cross section in the 2302300100003 neutron energy range from 0.5 eV up to 25 keV 2302300100004 AUTHOR (C.Wagemans, L.De Smet, S.Vermote, J.Heyse, 2302300100005 J.Van Gils, O.Serot) 2302300100006 INSTITUTE (2ZZZGEL) Institute for Reference Materials and 2302300100007 Measurements, B-2440 Geel, Belgium. J.Heyse, 2302300100008 J.Van Gils, and experimental site. 2302300100009 (2BLGGHT) Dept. of Subatomic and Radiation Physics, 2302300100010 University of Gent, Gent, Belgium. C.Wagemans, 2302300100011 L.De Smet, S.Vermote. 2302300100012 (2FR CAD) CEA Cadarache, DEN/DER/SPRC/LEPh, 2302300100013 Saint-Paul-lez-Durance, France. O.Serot. 2302300100014 REFERENCE (J,NSE,160,200,2008) Main reference 2302300100015 (C,2007NICE,1,487,200704) Rept #113 2302300100016 #doi:10.1051/ndata:07113 2302300100017 Intern. Conf. on Nuclear Data for Science and 2302300100018 Technology 2007. Preliminary results. 2302300100019 FACILITY (LINAC,2ZZZGEL) GELINA neutron facility of the IRMM 2302300100020 in Geel, Belgium. Pulsed beam, repetition rate 2302300100021 800 Hz, pulse temporal width 1 ns. 2302300100022 INC-SPECT .Cadmium neutron filter was placed in the beam to 2302300100023 remove overlap neutrons 2302300100024 DETECTOR (FISCH) A double Frisch-gridded ionisation chamber 2302300100025 was used with ultra-pure methane as detector gas 2302300100026 MONITOR (5-B-10(N,A)3-LI-7,,SIG) 2302300100027 METHOD (TOF) Time-of-Flight, flight base 8.3 m 2302300100028 (PHD,COINC) Coincident pulse-height and time-of-flight 2302300100029 events were recorded with a Labview-based data 2302300100030 acquisition system. 2302300100031 (STTA) Simultaneous irradiation of sample/monitor 2302300100032 SAMPLE .Two consecutive measurements, one with U-236, another 2302300100033 with U-235 sample 2302300100034 .U-235: thickness (110.9+-0.7) microgram/cm2, 2302300100035 U-233 content 0.0056%, U-234 content 0.0408%, 2302300100036 U-235 content 99.040%, U-236 content 0.2632%, 2302300100037 U-238 content 0.6502%. 2302300100038 .U-236: thickness (209.9+-1.3) microgram/cm2, 2302300100039 U-235 content 0.0043%, U-236 content 99.9732% 2302300100040 U-238 content 0.0225%. 2302300100041 .B-10: Thickness (8.05+-0.10) microgram/cm2, 2302300100042 ERR-ANALYS (DATA-ERR) Not specified 2302300100043 HISTORY (20080704C) SM 2302300100044 (20090330A) SUBENTs 23023-002, -003, 004 corrected 2302300100045 (20110226U) SD: DOI corrected for 2007NICE,1,487,2007 2302300100046 (20131213U) SD: FACILITY=VDGT -> LINAC. 2302300100047 ENDBIB 45 0 2302300100048 NOCOMMON 0 0 2302300100049 ENDSUBENT 48 0 2302300199999 SUBENT 23023002 20090330 22112302300200001 BIB 5 7 2302300200002 REACTION (92-U-236(N,F),,SIG,,,DERIV) Thermal c/s derived 2302300200003 from resonance parameter 2302300200004 ANALYSIS .Breit-Wigner extrapolation from 5.45 eV resonance 2302300200005 REL-REF (A,22682002,C.WAGEMANS+,J,NSE,136,415,2000) 2302300200006 STATUS (TABLE) Table II of main reference 2302300200007 (DEP,23023004) 2302300200008 HISTORY (20090330U) SF9 "DERIV" added 2302300200009 ENDBIB 7 0 2302300200010 NOCOMMON 0 0 2302300200011 DATA 3 1 2302300200012 EN DATA DATA-ERR 2302300200013 EV MB MB 2302300200014 0.0253 0.22 0.02 2302300200015 ENDDATA 3 0 2302300200016 ENDSUBENT 15 0 2302300299999 SUBENT 23023003 20090330 22112302300300001 BIB 4 7 2302300300002 REACTION (92-U-236(N,F),,RI,,LIM,DERIV) Resonance integral 2302300300003 derived from energy dependent cross section 2302300300004 ANALYSIS .Breit-Wigner extrapolation from 5.45 eV resonance 2302300300005 STATUS (TABLE) Table II of main reference 2302300300006 (DEP,23023004) 2302300300007 HISTORY (20090330U) Data units for EN-MAX changed 2302300300008 from EV to KEV 2302300300009 ENDBIB 7 0 2302300300010 NOCOMMON 0 0 2302300300011 DATA 4 1 2302300300012 EN-MIN EN-MAX DATA DATA-ERR 2302300300013 EV KEV B B 2302300300014 0.5 25. 0.032 0.001 2302300300015 ENDDATA 3 0 2302300300016 ENDSUBENT 15 0 2302300399999 SUBENT 23023004 20090330 22112302300400001 BIB 4 5 2302300400002 REACTION (92-U-236(N,F),,WID,,,DERIV) Fission width of the 2302300400003 5.45 eV resonance. 2302300400004 ANALYSIS (RFN) R-matrix analysis 2302300400005 REL-REF (A,13642004,W.PARKER+,J,PR/C,49,672,1994) 2302300400006 STATUS .Text of the main reference, page 206 2302300400007 ENDBIB 5 0 2302300400008 NOCOMMON 0 0 2302300400009 DATA 3 1 2302300400010 EN-RES DATA DATA-ERR 2302300400011 EV MICRO-EV MICRO-EV 2302300400012 5.45 1.7 0.1 2302300400013 ENDDATA 3 0 2302300400014 ENDSUBENT 13 0 2302300499999 ENDENTRY 4 0 2302399999999