ENTRY 20793 20230413 2079300000001 SUBENT 20793001 20230413 20231011 2079300100001 BIB 12 24 2079300100002 TITLE Measurements of neutron total cross section minima 2079300100003 in natural iron and silicon 2079300100004 AUTHOR (K.Kobayashi,Y.Fujita,Y.Ogawa) 2079300100005 REFERENCE (J,ANE,4,449,1977) 2079300100006 INSTITUTE (2JPNKTO) 2079300100007 FACILITY (LINAC,2JPNKTO) 46 MeV KURRI linear accelerator 2079300100008 INC-SOURCE (PHOTO) Pulsed source from tantalum target with 2079300100009 5cm thick polyethylene moderator. 2079300100010 METHOD (TOF) Flight path of 21.99+-0.02 cm. 2079300100011 DETECTOR (NAICR) 2079300100012 (PROPC) For neutron monitor. 2079300100013 ANALYSIS Analysis with resolution broadened expression for 2079300100014 the total cross section. See page 450 for detail. 2079300100015 CORRECTION Background was subtracted using the background 2079300100016 channel in the time analyser. 2079300100017 Corrected for Mn impurity (less than 2%) 2079300100018 ERR-ANALYS (ERR-T) Total error 2079300100019 (ERR-1) Uncertainty in background 2079300100020 (ERR-2) Uncertainty in resolution broadening 2079300100021 (ERR-3) Uncertainty in detection efficiency shift, 2079300100022 dead-time correction, air scattering correction, etc. 2079300100023 HISTORY (19781201C) PDJ. 2079300100024 (20230413A) SD:Updated to new date formats,lower case. 2079300100025 Corrections in all Subents. 2079300100026 ENDBIB 24 0 2079300100027 COMMON 3 3 2079300100028 ERR-1 ERR-2 ERR-3 2079300100029 PER-CENT PER-CENT PER-CENT 2079300100030 1. 2. 1. 2079300100031 ENDCOMMON 3 0 2079300100032 ENDSUBENT 31 0 2079300199999 SUBENT 20793002 20230413 20231011 2079300200001 BIB 5 7 2079300200002 REACTION (14-SI-0(N,TOT),,SIG) 2079300200003 SAMPLE Metal,purity 99.99%, density 2.34 g/cm*3. 2079300200004 thickness 2.83+-0.012 atoms/barn. 2079300200005 ERR-ANALYS (ERR-S,10.,20.) Statistical error 2079300200006 (ERR-4,0.4,0.5) Uncertainty in sample thickness 2079300200007 STATUS (TABLE) Table 4 from Annals of Nucl.En.,4(1977)449 2079300200008 HISTORY (20230413U) SD: BIB updated. DATA-ERR -> ERR-T. 2079300200009 ENDBIB 7 0 2079300200010 NOCOMMON 0 0 2079300200011 DATA 3 20 2079300200012 EN DATA ERR-T 2079300200013 KEV B B 2079300200014 120.16 0.752 0.097 2079300200015 121.76 0.726 0.083 2079300200016 123.38 0.568 0.076 2079300200017 125.03 0.533 0.067 2079300200018 126.72 0.501 0.062 2079300200019 128.45 0.381 0.053 2079300200020 130.21 0.368 0.046 2079300200021 132.00 0.450 0.047 2079300200022 133.84 0.294 0.046 2079300200023 135.71 0.205 0.033 2079300200024 137.62 0.247 0.036 2079300200025 139.57 0.178 0.028 2079300200026 141.57 0.150 0.024 2079300200027 143.60 0.082 0.015 2079300200028 145.68 0.108 0.018 2079300200029 147.81 0.106 0.020 2079300200030 149.98 0.112 0.024 2079300200031 152.21 0.249 0.054 2079300200032 154.48 0.457 0.087 2079300200033 156.80 0.538 0.167 2079300200034 ENDDATA 22 0 2079300200035 ENDSUBENT 34 0 2079300299999 SUBENT 20793003 20230413 20231011 2079300300001 BIB 5 7 2079300300002 REACTION (14-SI-0(N,TOT),,SIG) 2079300300003 SAMPLE Metal,purity 99.99%, density 2.34 g/cm*3. 2079300300004 thickness 2.83+-0.012 atoms/barn. 2079300300005 ERR-ANALYS (ERR-S,10.,20.) Statistical error 2079300300006 (ERR-4,0.4,0.5) Uncertainty in sample thickness 2079300300007 STATUS (TABLE) Table 4 from Annals of Nucl.En.,4(1977)449 2079300300008 HISTORY (20230413U) SD: BIB updated. DATA-ERR -> ERR-T. 2079300300009 ENDBIB 7 0 2079300300010 NOCOMMON 0 0 2079300300011 DATA 3 9 2079300300012 EN DATA ERR-T 2079300300013 KEV B B 2079300300014 51.26 0.646 0.103 2079300300015 51.70 0.551 0.083 2079300300016 52.14 0.495 0.070 2079300300017 52.60 0.358 0.061 2079300300018 53.06 0.343 0.051 2079300300019 53.52 0.277 0.046 2079300300020 53.99 0.177 0.032 2079300300021 54.47 0.140 0.037 2079300300022 54.96 0.679 0.226 2079300300023 ENDDATA 11 0 2079300300024 ENDSUBENT 23 0 2079300399999 SUBENT 20793004 20230413 20231011 2079300400001 BIB 5 10 2079300400002 REACTION (26-FE-0(N,TOT),,SIG) 2079300400003 SAMPLE Four targets, all greater than 99.8% purity 2079300400004 and density 7.84 g/cm*3. 2079300400005 thickness - cm atoms/barn 2079300400006 13.5 1.16+-0.005 2079300400007 6.0 0.517+-0.002 2079300400008 ERR-ANALYS (ERR-S,3.5,4.6) Statistical error 2079300400009 (ERR-4) Uncertainty in sample thickness 2079300400010 STATUS (TABLE) Table 3 from Annals of Nucl.En.,4(1977)449 2079300400011 HISTORY (20230413U) SD: BIB updated. DATA-ERR -> ERR-T. 2079300400012 ENDBIB 10 0 2079300400013 COMMON 1 3 2079300400014 ERR-4 2079300400015 PER-CENT 2079300400016 0.4 2079300400017 ENDCOMMON 3 0 2079300400018 DATA 3 11 2079300400019 EN DATA ERR-T 2079300400020 KEV B B 2079300400021 22.17 1.100 0.056 2079300400022 22.43 1.091 0.056 2079300400023 22.68 0.981 0.042 2079300400024 22.94 0.814 0.036 2079300400025 23.21 0.723 0.033 2079300400026 23.48 0.646 0.029 2079300400027 23.75 0.465 0.021 2079300400028 24.03 0.425 0.021 2079300400029 24.32 0.379 0.018 2079300400030 24.61 0.431 0.021 2079300400031 24.90 0.715 0.037 2079300400032 ENDDATA 13 0 2079300400033 ENDSUBENT 32 0 2079300499999 ENDENTRY 4 0 2079399999999