ENTRY 21751 20170811 22642175100000001 SUBENT 21751001 20170811 22642175100100001 BIB 15 40 2175100100002 INSTITUTE (2JPNKTO) Experimental site and both authors. 2175100100003 REFERENCE (J,NST,18,(9),739,1981) 2175100100004 AUTHOR (M.Utsuro,N.Morishima) 2175100100005 TITLE Total neutron cross section in heavy ice at 77 and 2175100100006 15K for neutron energies between 0.3 and 100 milli-eV 2175100100007 FACILITY (LINAC,2JPNKTO) 46 MeV electron Linac of Kyoto Univ. 2175100100008 INC-SOURCE (PHOTO) Using a tantalum target. 2175100100009 Fast neutrons produced in 3 micro-sec bursts 2175100100010 with repetition frequency 50 Hertz, and 2175100100011 moderated by a slab of solid mesitylene at a 2175100100012 temperature of 15 K. Mean emission time of cold 2175100100013 neutrons = 160+-20 micro-sec. 2175100100014 INC-SPECT .Maxwellian, approximate neutron temperature = 40K 2175100100015 SAMPLE .20 mm thick heavy ice ,isotopic purity greater than 2175100100016 99.8%, kept at 77K by liquid nitrogen cooling, or at 2175100100017 15K by liquid nitrogen and helium cooling. 2175100100018 .Sample in aluminum container. 2175100100019 METHOD (TOF) Time of flight neutron spectrum measured 2175100100020 with the heavy ice sample in position, and 2175100100021 with an empty container in place of the sample. 2175100100022 .Experiment performed for two sample temperatures. 2175100100023 .Calculated cross section normalized, at high 2175100100024 neutron energies, to the heavy water free atom 2175100100025 total cross section. 2175100100026 DETECTOR (BF3) 10 cm thick 2175100100027 MONITOR (1-H-D2O(N,TOT),,SIG) Free atom value 2175100100028 CORRECTION .Empty container and sample swapped every 2175100100029 10 minutes to correct for long term changes in 2175100100030 the neutron source. 2175100100031 ERR-ANALYS (ERR-S) The errors correspond to standard deviations 2175100100032 calculated using estimated statistical errors for 2175100100033 stored counts 2175100100034 STATUS (TABLE) Tbl. 2 from J.Nucl.Sci.Tech.18(1981)739. 2175100100035 HISTORY (19820125C) A.P.T. 2175100100036 (19820302A) Main reference corrected a.P.T. 2175100100037 (19840106U) A.P.T. Japan code changed to jpn 2175100100038 (20170811A) SD:Updated to new date formats,lower case. 2175100100039 Meaningless zeros were deleted from the data. 2175100100040 REACTION code corrected in Subents 002,003. 2175100100041 DATA-ERR -> ERR-S. 2175100100042 ENDBIB 40 0 2175100100043 COMMON 2 3 2175100100044 EN-RSL MONIT 2175100100045 PER-CENT B 2175100100046 6. 10.5 2175100100047 ENDCOMMON 3 0 2175100100048 ENDSUBENT 47 0 2175100199999 SUBENT 21751002 20170811 22642175100200001 BIB 2 3 2175100200002 REACTION (1-H-D2O(N,TOT),,SIG,,TMP) Heavy ice at 77K 2175100200003 HISTORY (20170811A) SD: SF8=TMP added to REACTION code. 2175100200004 TEMP was added to DATA section. 2175100200005 ENDBIB 3 0 2175100200006 COMMON 1 3 2175100200007 TEMP 2175100200008 K 2175100200009 77. 2175100200010 ENDCOMMON 3 0 2175100200011 DATA 3 60 2175100200012 EN DATA ERR-S 2175100200013 MILLI-EV B B 2175100200014 0.255 6.35 0.77 2175100200015 0.289 8.11 0.63 2175100200016 0.325 6.54 0.66 2175100200017 0.357 5.90 0.63 2175100200018 0.394 6.13 0.51 2175100200019 0.438 5.84 0.45 2175100200020 0.489 5.21 0.38 2175100200021 0.551 4.89 0.33 2175100200022 0.603 5.86 0.44 2175100200023 0.644 4.86 0.40 2175100200024 0.688 5.64 0.37 2175100200025 0.737 5.30 0.33 2175100200026 0.792 5.20 0.29 2175100200027 0.852 5.54 0.26 2175100200028 0.92 5.69 0.24 2175100200029 0.997 5.00 0.21 2175100200030 1.08 5.32 0.19 2175100200031 1.18 5.19 0.17 2175100200032 1.29 5.27 0.16 2175100200033 1.42 6.16 0.14 2175100200034 1.57 7.17 0.13 2175100200035 1.75 6.84 0.12 2175100200036 1.95 6.51 0.10 2175100200037 2.19 6.21 0.09 2175100200038 2.41 6.43 0.12 2175100200039 2.57 6.52 0.11 2175100200040 2.74 6.53 0.11 2175100200041 2.94 6.63 0.10 2175100200042 3.16 6.86 0.10 2175100200043 3.40 7.26 0.09 2175100200044 3.67 7.59 0.09 2175100200045 3.97 8.19 0.09 2175100200046 4.32 9.28 0.09 2175100200047 4.71 10.2 0.1 2175100200048 5.16 11.8 0.1 2175100200049 5.67 13.4 0.1 2175100200050 6.02 14.4 0.1 2175100200051 6.39 15.7 0.1 2175100200052 6.96 14.5 0.1 2175100200053 7.77 13.7 0.1 2175100200054 8.74 13.1 0.1 2175100200055 9.64 12.6 0.1 2175100200056 10.4 12.6 0.1 2175100200057 11.3 11.9 0.1 2175100200058 12.3 12.6 0.1 2175100200059 13.4 13.1 0.1 2175100200060 14.7 12.4 0.1 2175100200061 16.2 11.6 0.1 2175100200062 17.9 11.4 0.1 2175100200063 19.9 11.6 0.1 2175100200064 22.3 12.8 0.1 2175100200065 25.1 13.8 0.1 2175100200066 28.5 13.1 0.1 2175100200067 32.6 12.8 0.1 2175100200068 37.7 12.7 0.1 2175100200069 44.1 12.1 0.1 2175100200070 52.2 11.8 0.1 2175100200071 62.9 12.2 0.2 2175100200072 77.1 12.4 0.2 2175100200073 96.8 12.0 0.2 2175100200074 ENDDATA 62 0 2175100200075 ENDSUBENT 74 0 2175100299999 SUBENT 21751003 20170811 22642175100300001 BIB 2 3 2175100300002 REACTION (1-H-D2O(N,TOT),,SIG,,TMP) Heavy ice at 15 K 2175100300003 HISTORY (20170811A) SD: SF8=TMP added to REACTION code. 2175100300004 TEMP was added to DATA section. 2175100300005 ENDBIB 3 0 2175100300006 COMMON 1 3 2175100300007 TEMP 2175100300008 K 2175100300009 15. 2175100300010 ENDCOMMON 3 0 2175100300011 DATA 3 60 2175100300012 EN DATA ERR-S 2175100300013 MILLI-EV B B 2175100300014 0.255 4.77 0.59 2175100300015 0.289 4.56 0.48 2175100300016 0.325 5.20 0.51 2175100300017 0.357 4.89 0.44 2175100300018 0.394 4.73 0.39 2175100300019 0.438 4.35 0.34 2175100300020 0.489 4.28 0.30 2175100300021 0.551 4.57 0.25 2175100300022 0.603 5.04 0.32 2175100300023 0.644 4.76 0.29 2175100300024 0.688 4.69 0.27 2175100300025 0.737 4.49 0.25 2175100300026 0.792 4.62 0.23 2175100300027 0.852 4.48 0.21 2175100300028 0.920 4.72 0.19 2175100300029 0.997 4.64 0.17 2175100300030 1.08 4.74 0.16 2175100300031 1.18 4.56 0.14 2175100300032 1.29 4.77 0.13 2175100300033 1.42 5.54 0.12 2175100300034 1.57 6.69 0.11 2175100300035 1.75 5.90 0.10 2175100300036 1.95 6.42 0.09 2175100300037 2.19 5.91 0.08 2175100300038 2.41 6.19 0.10 2175100300039 2.57 6.69 0.10 2175100300040 2.74 6.98 0.09 2175100300041 2.94 7.17 0.09 2175100300042 3.16 7.58 0.09 2175100300043 3.40 7.50 0.08 2175100300044 3.67 7.45 0.08 2175100300045 3.97 7.72 0.08 2175100300046 4.32 8.37 0.08 2175100300047 4.71 9.23 0.09 2175100300048 5.16 10.2 0.1 2175100300049 5.67 11.2 0.1 2175100300050 6.02 12.0 0.1 2175100300051 6.39 13.6 0.1 2175100300052 6.96 13.4 0.1 2175100300053 7.77 12.5 0.1 2175100300054 8.74 12.1 0.1 2175100300055 9.64 12.0 0.1 2175100300056 10.4 12.4 0.1 2175100300057 11.3 11.7 0.1 2175100300058 12.3 12.4 0.1 2175100300059 13.4 13.0 0.1 2175100300060 14.7 12.3 0.1 2175100300061 16.2 11.4 0.1 2175100300062 17.9 11.2 0.1 2175100300063 19.9 11.7 0.1 2175100300064 22.3 12.2 0.1 2175100300065 25.1 13.3 0.1 2175100300066 28.5 12.9 0.1 2175100300067 32.6 12.7 0.1 2175100300068 37.7 12.7 0.1 2175100300069 44.1 12.6 0.1 2175100300070 52.2 12.1 0.1 2175100300071 62.9 12.5 0.1 2175100300072 77.1 12.4 0.1 2175100300073 96.8 12.3 0.1 2175100300074 ENDDATA 62 0 2175100300075 ENDSUBENT 74 0 2175100399999 ENDENTRY 3 0 2175199999999