ENTRY 23765 20210302 22982376500000001 SUBENT 23765001 20210302 22982376500100001 BIB 13 42 2376500100002 TITLE Measurement of the 236U(n,f) cross section at fast 2376500100003 neutron energies with Micromegas Detectors 2376500100004 AUTHOR (M.Diakaki,V.Michalopoulou,A.Tsinganis,A.Axiotis, 2376500100005 A.Kalamara,M.Kokkoris,A.Lagoyiannis,N.Patronis, 2376500100006 A.Stamatopoulos,R.Vlastou) 2376500100007 INSTITUTE (2FR CAD,2GRCTUA,2ZZZCER,2GRCATH,2GRCIOA) 2376500100008 REFERENCE (J,EPJ/CS,239,05001,2020) 2376500100009 #doi:10.1051/epjconf/202023905001 2376500100010 (J,APP/B,47,789,2016) 2376500100011 #doi:10.5506/APhysPolB.47.789 2376500100012 data on graph 2376500100013 FACILITY (VDGT,2GRCATH) 2376500100014 INC-SOURCE (D-D) A deuterium gas target fitted with 5 um Mo 2376500100015 entrance foil and 1 mm Pt beams top is bombarded with a2376500100016 deuteron beam of the appropriate energy. The gas cell 2376500100017 has a total length of 3.7 cm and a diameter of 1 cm, 2376500100018 and is typically pressurized to 1.2 atm. 2376500100019 DETECTOR (IOCH) The detection system consisted of a stack of 2376500100020 ionisation gas cells based on the Micromegas Microbulk 2376500100021 technology for the detection of the fission fragments, 2376500100022 each one containing one actinide target, the backing 2376500100023 of which served as the detector drift electrode. 2376500100024 SAMPLE The characteristics of the samples for studied 2376500100025 reaction 236U, reference reaction 238U and parasitic 2376500100026 neutron correction 235U are as follow: 2376500100027 236U 238U 235U 2376500100028 Diameter (cm) 8 5.2 5.2 2376500100029 T1/2 (y) 2.342E7 4.468E9 7.038E82376500100030 Sp. Act.(Bq/mg) 2393+-4 12.44+-0.01 79.98+-0.06 2376500100031 Mass (mg) (front) 5.40+-0.06 9.90+-0.13 4.96+-0.06 2376500100032 (back) 5.01+-0.05 9.03+-0.12 2376500100033 Contaminations (mg) 234U(9E-5) 2376500100034 MONITOR (92-U-238(N,F),,SIG) 2376500100035 MONIT-REF (,M.B.Chadwick+,3,ENDF/B-VII.1,,2011) 2376500100036 ERR-ANALYS (ERR-S) Statistical uncertainties 2376500100037 (ERR-1) Target mass - 1.5% 2376500100038 (ERR-2,,0.5) FF lost under the alpha peak 2376500100039 (ERR-3,2.,3.) neutron flux 2376500100040 (ERR-4,1.,2.) parasitic neutrons 2376500100041 (ERR-5,0.7,0.95) 238U(n,f) cross section uncertainty. 2376500100042 STATUS (APRVD) Approved by M.Diakaki, 26 April 2021 2376500100043 HISTORY (20210302C) VS 2376500100044 ENDBIB 42 0 2376500100045 COMMON 1 3 2376500100046 ERR-1 2376500100047 PER-CENT 2376500100048 1.5 2376500100049 ENDCOMMON 3 0 2376500100050 ENDSUBENT 49 0 2376500199999 SUBENT 23765002 20210302 22982376500200001 BIB 2 2 2376500200002 REACTION (92-U-236(N,F),,SIG) 2376500200003 STATUS (TABLE) Table 2 of EPJ Web of Conf. 239(2020)05001 2376500200004 ENDBIB 2 0 2376500200005 NOCOMMON 0 0 2376500200006 DATA 4 9 2376500200007 EN EN-RSL-HW DATA ERR-S 2376500200008 MEV MEV B B 2376500200009 4.5 0.2 0.811 0.022 2376500200010 5.0 0.1 0.787 0.031 2376500200011 5.5 0.1 0.783 0.020 2376500200012 6.0 0.1 0.887 0.012 2376500200013 7.0 0.1 1.423 0.021 2376500200014 7.5 0.1 1.511 0.022 2376500200015 8.5 0.1 1.638 0.033 2376500200016 9.5 0.1 1.558 0.020 2376500200017 10.0 0.1 1.458 0.017 2376500200018 ENDDATA 11 0 2376500200019 ENDSUBENT 18 0 2376500299999 ENDENTRY 2 0 2376599999999