ENTRY 20414 20160725 22522041400000001 SUBENT 20414001 20160725 22522041400100001 BIB 15 33 2041400100002 INSTITUTE (2UK HAR) 2041400100003 REFERENCE (C,75WASH,2,568,1975) Table and graphs given 2041400100004 AUTHOR (M.S.Coates,D.B.Gayther,N.J.Pattenden) 2041400100005 TITLE A measurement of the U-238/U-235 fission cross- 2041400100006 section ratio 2041400100007 FACILITY (CYCLO,2UK HAR) Synchrocyclotron. 2041400100008 SAMPLE Both fissile materials 0.5 millig/cm*cm thick, and 2041400100009 7.6 cm in diameter placed back to back at centre of 2041400100010 chamber and perpendicular to neutron beam. 2041400100011 METHOD (TOF) 12 meter time-of-flight facility. 2041400100012 DETECTOR (SCIN) Gas scintillation chamber. 2041400100013 MONITOR ((92-U-238(N,F),,SIG)/(92-U-235(N,F),,SIG)) 2041400100014 MONIT-REF (,M.G.Sowerby+,J,ANE,1,409,1974) 2041400100015 An accurate method of determining the neutron flux 2041400100016 was not available. For comparison with other results 2041400100017 the above mentioned normalization was done. 2041400100018 PART-DET (FF) Fission fragments 2041400100019 STATUS (TABLE) Data from table 1 of 75WASH,2,568. Data have 2041400100020 been recalibrated by the authors. 2041400100021 CORRECTION Energy dependence of detector efficiency, detailed 2041400100022 discussion in publication. Presence of other isotopes 2041400100023 ERR-ANALYS (ERR-1) Error in making the normalization +- 1.5%. 2041400100024 (ERR-2) The estimated standard deviation error in the 2041400100025 ratio measurements 2041400100026 (ERR-S,2.,20.) Statistical error for energies above 2041400100027 1.4 MeV less than 2%, This error increases at lower 2041400100028 energies typical values +-7% at 1 MeV and +-20% 2041400100029 at 700 keV. 2041400100030 HISTORY (19750728C) 2041400100031 (19761012A) Data in Subent 002 have been recalibrated 2041400100032 by the authors. 2041400100033 (20160725A) SD:Updated to new date formats,lower case. 2041400100034 Ref. corrected (75WASH,GB7 -> 75WASH,2,568). BIB update2041400100035 ENDBIB 33 0 2041400100036 COMMON 2 3 2041400100037 ERR-1 ERR-2 2041400100038 PER-CENT PER-CENT 2041400100039 1.5 2.5 2041400100040 ENDCOMMON 3 0 2041400100041 ENDSUBENT 40 0 2041400199999 SUBENT 20414002 20160725 22522041400200001 BIB 2 3 2041400200002 REACTION ((92-U-238(N,F),,SIG)/(92-U-235(N,F),,SIG)) 2041400200003 HISTORY (19761012A) Data have been recalibrated by the authors.2041400200004 Old file of July 75 has been superseded, comments kept2041400200005 ENDBIB 3 0 2041400200006 NOCOMMON 0 0 2041400200007 DATA 2 224 2041400200008 EN DATA 2041400200009 MEV NO-DIM 2041400200010 6.3293E-01 9.7000E-04 2041400200011 6.7794E-01 1.4500E-03 2041400200012 7.2793E-01 2.2100E-03 2041400200013 7.5726E-01 1.9000E-03 2041400200014 7.6289E-01 2.7200E-03 2041400200015 7.6858E-01 3.1400E-03 2041400200016 7.7433E-01 3.2800E-03 2041400200017 7.8015E-01 3.6500E-03 2041400200018 7.8604E-01 4.3000E-03 2041400200019 7.9200E-01 3.6000E-03 2041400200020 7.9802E-01 3.6600E-03 2041400200021 8.0411E-01 4.0100E-03 2041400200022 8.1028E-01 4.5700E-03 2041400200023 8.1651E-01 4.0700E-03 2041400200024 8.2282E-01 3.6400E-03 2041400200025 8.2919E-01 4.6300E-03 2041400200026 8.3564E-01 5.2500E-03 2041400200027 8.4217E-01 5.3100E-03 2041400200028 8.4878E-01 5.7900E-03 2041400200029 8.5545E-01 6.6100E-03 2041400200030 8.6222E-01 7.8800E-03 2041400200031 8.6906E-01 7.3900E-03 2041400200032 8.7598E-01 1.0380E-02 2041400200033 8.8300E-01 9.5700E-03 2041400200034 8.9009E-01 1.2700E-02 2041400200035 8.9726E-01 1.1300E-02 2041400200036 9.0453E-01 1.2800E-02 2041400200037 9.1188E-01 1.2100E-02 2041400200038 9.1933E-01 1.3200E-02 2041400200039 9.2686E-01 1.5500E-02 2041400200040 9.3449E-01 1.3400E-02 2041400200041 9.4221E-01 1.3400E-02 2041400200042 9.5003E-01 1.3800E-02 2041400200043 9.5795E-01 1.3600E-02 2041400200044 9.6597E-01 1.2400E-02 2041400200045 9.7409E-01 1.2300E-02 2041400200046 9.8230E-01 1.3400E-02 2041400200047 9.9061E-01 1.1600E-02 2041400200048 9.9908E-01 1.4300E-02 2041400200049 1.0075E+00 1.4000E-02 2041400200050 1.0162E+00 1.3500E-02 2041400200051 1.0250E+00 1.3700E-02 2041400200052 1.0338E+00 1.4900E-02 2041400200053 1.0428E+00 1.7300E-02 2041400200054 1.0520E+00 1.5100E-02 2041400200055 1.0611E+00 1.7300E-02 2041400200056 1.0705E+00 1.8700E-02 2041400200057 1.0800E+00 1.8500E-02 2041400200058 1.0896E+00 2.2000E-02 2041400200059 1.0994E+00 2.3400E-02 2041400200060 1.1092E+00 2.6100E-02 2041400200061 1.1192E+00 2.5800E-02 2041400200062 1.1293E+00 2.5700E-02 2041400200063 1.1396E+00 2.9100E-02 2041400200064 1.1499E+00 2.8700E-02 2041400200065 1.1605E+00 3.3700E-02 2041400200066 1.1712E+00 3.3900E-02 2041400200067 1.1821E+00 3.6000E-02 2041400200068 1.1931E+00 3.6100E-02 2041400200069 1.2043E+00 3.4400E-02 2041400200070 1.2155E+00 3.5300E-02 2041400200071 1.2270E+00 3.3000E-02 2041400200072 1.2387E+00 3.4700E-02 2041400200073 1.2504E+00 4.0900E-02 2041400200074 1.2625E+00 3.8400E-02 2041400200075 1.2746E+00 4.3200E-02 2041400200076 1.2869E+00 4.9800E-02 2041400200077 1.2993E+00 5.9300E-02 2041400200078 1.3121E+00 5.9100E-02 2041400200079 1.3249E+00 7.0100E-02 2041400200080 1.3380E+00 7.6100E-02 2041400200081 1.3512E+00 8.1900E-02 2041400200082 1.3647E+00 9.8500E-02 2041400200083 1.3784E+00 1.1400E-01 2041400200084 1.3922E+00 1.3000E-01 2041400200085 1.4064E+00 1.6100E-01 2041400200086 1.4206E+00 1.7300E-01 2041400200087 1.4351E+00 1.9000E-01 2041400200088 1.4498E+00 2.0400E-01 2041400200089 1.4647E+00 2.3400E-01 2041400200090 1.4799E+00 2.5300E-01 2041400200091 1.4954E+00 2.6200E-01 2041400200092 1.5110E+00 2.7700E-01 2041400200093 1.5270E+00 2.8300E-01 2041400200094 1.5431E+00 2.8900E-01 2041400200095 1.5595E+00 3.0300E-01 2041400200096 1.5762E+00 2.9900E-01 2041400200097 1.5932E+00 3.1800E-01 2041400200098 1.6104E+00 3.0800E-01 2041400200099 1.6279E+00 3.2200E-01 2041400200100 1.6457E+00 3.2800E-01 2041400200101 1.6638E+00 3.2600E-01 2041400200102 1.6822E+00 3.4500E-01 2041400200103 1.7009E+00 3.3100E-01 2041400200104 1.7199E+00 3.4600E-01 2041400200105 1.7393E+00 3.4800E-01 2041400200106 1.7589E+00 3.5400E-01 2041400200107 1.7790E+00 3.5200E-01 2041400200108 1.7993E+00 3.6500E-01 2041400200109 1.8200E+00 3.8100E-01 2041400200110 1.8410E+00 3.7800E-01 2041400200111 1.8624E+00 3.8300E-01 2041400200112 1.8843E+00 3.9200E-01 2041400200113 1.9064E+00 3.9000E-01 2041400200114 1.9291E+00 3.9700E-01 2041400200115 1.9520E+00 3.9900E-01 2041400200116 1.9754E+00 3.8700E-01 2041400200117 1.9992E+00 3.9900E-01 2041400200118 2.0235E+00 3.9400E-01 2041400200119 2.0482E+00 4.0900E-01 2041400200120 2.0734E+00 4.0300E-01 2041400200121 2.0990E+00 4.0800E-01 2041400200122 2.1251E+00 4.0900E-01 2041400200123 2.1517E+00 4.1900E-01 2041400200124 2.1788E+00 4.1600E-01 2041400200125 2.2064E+00 4.1700E-01 2041400200126 2.2346E+00 3.9600E-01 2041400200127 2.2632E+00 4.1200E-01 2041400200128 2.2925E+00 4.1700E-01 2041400200129 2.3222E+00 4.2200E-01 2041400200130 2.3526E+00 4.1700E-01 2041400200131 2.3837E+00 4.1500E-01 2041400200132 2.4153E+00 4.1000E-01 2041400200133 2.4475E+00 4.2400E-01 2041400200134 2.4804E+00 4.1700E-01 2041400200135 2.5140E+00 4.0300E-01 2041400200136 2.5482E+00 4.2400E-01 2041400200137 2.5832E+00 4.1100E-01 2041400200138 2.6189E+00 4.1200E-01 2041400200139 2.6554E+00 4.0800E-01 2041400200140 2.6925E+00 4.1400E-01 2041400200141 2.7305E+00 4.2400E-01 2041400200142 2.7693E+00 4.2200E-01 2041400200143 2.8090E+00 4.1400E-01 2041400200144 2.8495E+00 4.2400E-01 2041400200145 2.8908E+00 4.3000E-01 2041400200146 2.9332E+00 4.2300E-01 2041400200147 2.9763E+00 4.1900E-01 2041400200148 3.0205E+00 4.0800E-01 2041400200149 3.0658E+00 4.1700E-01 2041400200150 3.1119E+00 4.2000E-01 2041400200151 3.1592E+00 4.2100E-01 2041400200152 3.2075E+00 4.2900E-01 2041400200153 3.2569E+00 4.3200E-01 2041400200154 3.3076E+00 4.3700E-01 2041400200155 3.3594E+00 4.3800E-01 2041400200156 3.4123E+00 4.4400E-01 2041400200157 3.4667E+00 4.2800E-01 2041400200158 3.5223E+00 4.4400E-01 2041400200159 3.5794E+00 4.5600E-01 2041400200160 3.6377E+00 4.5200E-01 2041400200161 3.6975E+00 4.6000E-01 2041400200162 3.7588E+00 4.6600E-01 2041400200163 3.8216E+00 4.7300E-01 2041400200164 3.8861E+00 4.5700E-01 2041400200165 3.9521E+00 4.7400E-01 2041400200166 4.0198E+00 4.9000E-01 2041400200167 4.0894E+00 4.8500E-01 2041400200168 4.1607E+00 4.7200E-01 2041400200169 4.2340E+00 4.7500E-01 2041400200170 4.3093E+00 4.7700E-01 2041400200171 4.3864E+00 4.7900E-01 2041400200172 4.4657E+00 4.8300E-01 2041400200173 4.5473E+00 4.9300E-01 2041400200174 4.6310E+00 4.9200E-01 2041400200175 4.7172E+00 4.9000E-01 2041400200176 4.8057E+00 4.9600E-01 2041400200177 4.8968E+00 4.8900E-01 2041400200178 4.9904E+00 4.8600E-01 2041400200179 5.0868E+00 5.0000E-01 2041400200180 5.1861E+00 5.0100E-01 2041400200181 5.2882E+00 4.9600E-01 2041400200182 5.3934E+00 5.1400E-01 2041400200183 5.5018E+00 5.1000E-01 2041400200184 5.6136E+00 5.1200E-01 2041400200185 5.7287E+00 5.3600E-01 2041400200186 5.8474E+00 5.4300E-01 2041400200187 5.9700E+00 5.3500E-01 2041400200188 6.0963E+00 5.3600E-01 2041400200189 6.2268E+00 5.4600E-01 2041400200190 6.3615E+00 5.6400E-01 2041400200191 6.5006E+00 5.7400E-01 2041400200192 6.6444E+00 5.8700E-01 2041400200193 6.7930E+00 5.9600E-01 2041400200194 6.9467E+00 6.0200E-01 2041400200195 7.1057E+00 5.8100E-01 2041400200196 7.2701E+00 5.7800E-01 2041400200197 7.4405E+00 5.8000E-01 2041400200198 7.6169E+00 5.9700E-01 2041400200199 7.7996E+00 5.7300E-01 2041400200200 7.9889E+00 5.7700E-01 2041400200201 8.1856E+00 5.6500E-01 2041400200202 8.3894E+00 5.5600E-01 2041400200203 8.6009E+00 5.6900E-01 2041400200204 8.8206E+00 5.5200E-01 2041400200205 9.0489E+00 5.6400E-01 2041400200206 9.2861E+00 5.7200E-01 2041400200207 9.5330E+00 5.5900E-01 2041400200208 9.7898E+00 5.4600E-01 2041400200209 1.0056E+01 5.7200E-01 2041400200210 1.0335E+01 5.5900E-01 2041400200211 1.0625E+01 5.7100E-01 2041400200212 1.0928E+01 5.7100E-01 2041400200213 1.1244E+01 5.7800E-01 2041400200214 1.1575E+01 5.7200E-01 2041400200215 1.1919E+01 5.6100E-01 2041400200216 1.2280E+01 5.4500E-01 2041400200217 1.2657E+01 5.4900E-01 2041400200218 1.3052E+01 5.3500E-01 2041400200219 1.3466E+01 5.3300E-01 2041400200220 1.3900E+01 5.2500E-01 2041400200221 1.4356E+01 5.1700E-01 2041400200222 1.4834E+01 5.4800E-01 2041400200223 1.5336E+01 5.3700E-01 2041400200224 1.5866E+01 5.7600E-01 2041400200225 1.6423E+01 6.0800E-01 2041400200226 1.7011E+01 6.0900E-01 2041400200227 1.7630E+01 6.3800E-01 2041400200228 1.8284E+01 6.4400E-01 2041400200229 1.8976E+01 6.5800E-01 2041400200230 1.9708E+01 6.4400E-01 2041400200231 2.0485E+01 6.7600E-01 2041400200232 2.1308E+01 7.2100E-01 2041400200233 2.2182E+01 7.2700E-01 2041400200234 ENDDATA 226 0 2041400200235 ENDSUBENT 234 0 2041400299999 ENDENTRY 2 0 2041499999999