ENTRY 31831 20201016 31983183100000001 SUBENT 31831001 20201016 31983183100100001 BIB 12 26 3183100100002 TITLE Total neutron cross-section extracted from 3183100100003 transmission experiments with liquid oxygen using 3183100100004 neutron energies from 18 to 27 MeV 3183100100005 AUTHOR (M.Ansorge, P.Bem, D.Hladik, M.Majerle, J.Mrazek, 3183100100006 J.Novak, E.Simeckova, M.Stefanik) 3183100100007 INSTITUTE (3CZRUJF) 3183100100008 REFERENCE (J,EPJ/CS,239,20008,2020) 3183100100009 FACILITY (ISOCY,3CZRUJF) U-120M cyclotron 3183100100010 INC-SOURCE (P-LI7) proton (20 to 35 MeV) on Li foil (2 mm thick) 3183100100011 backed with thick graphite beam stopper 3183100100012 INC-SPECT En=18.8(3) MeV: FWHM=1.97(7) MeV 3183100100013 En=22.0(2) MeV: FWHM=1.89(4) MeV 3183100100014 En=25.0(2) MeV: FWHM=1.73(5) MeV 3183100100015 En=27.0(2) MeV: FWHM=1.3(0.1) MeV 3183100100016 SAMPLE Liquid natural oxygen (99.95% pure) placed into a 3183100100017 polystyrene box (inner dimension 210 mm x 160 mm) at 3183100100018 room temperature. Each orientation gives thickness 3183100100019 of 3183100100020 - 20.80+/-0.12 cm, (8.94+/-0.05)E-01 atoms/barn, 3183100100021 - 15.88+/-0.12 cm, (6.82+/-0.05)E-01 atoms/barn. 3183100100022 DETECTOR (SCIN) Organic liquid scintillator NE-213 (cylindrical,3183100100023 2x2 inches) 3183100100024 METHOD (TOF) Flight path of 9 to 9.5 m 3183100100025 STATUS (TABLE) Table 1 of EPJ Web.Conf.239(2020)20008 3183100100026 (APRVD) Proof-read by Martin Ansorge (2020-10-21) 3183100100027 HISTORY (20201016C) On 3183100100028 ENDBIB 26 0 3183100100029 NOCOMMON 0 0 3183100100030 ENDSUBENT 29 0 3183100199999 SUBENT 31831002 20201016 31983183100200001 BIB 3 11 3183100200002 REACTION (8-O-0(N,TOT),,TRN,,RAW) 3183100200003 CORRECTION Uncorrected for 3183100200004 - dead time 3183100200005 - pile-up 3183100200006 - air displacement 3183100200007 - neutron scattered by polystyrene box and neutron 3183100200008 scattered at the sample region and still reaching 3183100200009 the detector 3183100200010 ERR-ANALYS (DATA-ERR) Uncertainty due to 3183100200011 - time resolution (main source), 3183100200012 - counting statistics. 3183100200013 ENDBIB 11 0 3183100200014 NOCOMMON 0 0 3183100200015 DATA 6 7 3183100200016 EN EN-ERR EN-RSL-FW THICKNESS DATA DATA-ERR 3183100200017 MEV MEV MEV ATOMS/B NO-DIM NO-DIM 3183100200018 18.8 0.3 1.97 8.94E-01 0.2345 0.0130 3183100200019 18.8 0.3 1.97 6.82E-01 0.3266 0.0139 3183100200020 22.0 0.2 1.89 8.94E-01 0.2227 0.0053 3183100200021 25.0 0.2 1.73 8.94E-01 0.2359 0.0064 3183100200022 25.0 0.2 1.73 6.82E-01 0.3276 0.0094 3183100200023 27.0 0.2 1.3 8.94E-01 0.2399 0.0054 3183100200024 27.0 0.2 1.3 6.82E-01 0.3296 0.0077 3183100200025 ENDDATA 9 0 3183100200026 ENDSUBENT 25 0 3183100299999 SUBENT 31831003 20201016 31983183100300001 BIB 4 14 3183100300002 REACTION (8-O-0(N,TOT),,SIG) 3183100300003 CORRECTION Corrected for 3183100300004 - dead time 3183100300005 - pile up 3183100300006 - air displacement 3183100300007 - neutron scattered by polystyrene box and neutron 3183100300008 scattered at the sample region and still reaching 3183100300009 the detector 3183100300010 (by MCNPX and ENDF/B-VII.1) 3183100300011 ERR-ANALYS (DATA-ERR) Uncertainty due to 3183100300012 - time resolution (main source), 3183100300013 - counting statistics, 3183100300014 - correction (20% of the correction value). 3183100300015 STATUS (DEP,31831002) Transmission 3183100300016 ENDBIB 14 0 3183100300017 NOCOMMON 0 0 3183100300018 DATA 5 4 3183100300019 EN EN-ERR EN-RSL-FW DATA DATA-ERR 3183100300020 MEV MEV MEV B B 3183100300021 18.8 0.3 1.97 1.622 0.044 3183100300022 22.0 0.2 1.89 1.668 0.028 3183100300023 25.0 0.2 1.73 1.620 0.027 3183100300024 27.0 0.2 1.3 1.600 0.022 3183100300025 ENDDATA 6 0 3183100300026 ENDSUBENT 25 0 3183100399999 ENDENTRY 3 0 3183199999999