ENTRY 21031 20121228 22342103100000001 SUBENT 21031001 20121228 22342103100100001 BIB 11 25 2103100100002 INSTITUTE (2UK HAR) 2103100100003 REFERENCE (J,JNE,2,177,1956) 2103100100004 (R,NRDC-81,195511) tabulated data. 2103100100005 (C,55GENEVA,4,187,195508) prelim. data 2103100100006 REL-REF (I,21029001,B.T.Price,J,JNE,2,128,1955) - Similar 2103100100007 techniques was described 2103100100008 AUTHOR (R.Richmond,B.T.Price) 2103100100009 TITLE Fission cross sections as a function of neutron energy2103100100010 part II. Plutonium-239 and plutonium-241 2103100100011 FACILITY (LINAC,2UK HAR) 15-MeV linear accelerator. 2103100100012 The length of the effective flight-path was found 2103100100013 to be about 3.35 metres. 2103100100014 (CHOPS,2UK HAR) BEPO slow-neutron velocity selector 2103100100015 (SPECC,2UK HAR) BEPO single-crystal neutron spectrom. 2103100100016 SAMPLE .Enriched plutonium isotopes. 2103100100017 METHOD (TOF) Time of flight. 2103100100018 DETECTOR (PROPC) Boron counter was used as the detector. 2103100100019 PART-DET (FF) 2103100100020 HISTORY (19790817T) 2103100100021 (19790831E) 2103100100022 (19800115E) 2103100100023 (20121228A) SD: Updated to new date formats,lower case.2103100100024 Corrected according last EXFOR rules and Dict. 2103100100025 MONIT-ERR was added in Subents 2,4. Subent 5 was added2103100100026 from 22506. Subents 7,8 were compiled. 2103100100027 ENDBIB 25 0 2103100100028 NOCOMMON 0 0 2103100100029 ENDSUBENT 28 0 2103100199999 SUBENT 21031002 20121228 22342103100200001 BIB 6 14 2103100200002 REACTION (94-PU-239(N,F),,SIG) 2103100200003 MONITOR (94-PU-239(N,F),,SIG) 2103100200004 SAMPLE Two fission chambers were contained foils of plutonium 2103100200005 oxide of thickness 0.12 mg/cm2 and 0.25 mg/cm2, 2103100200006 respectively. 2103100200007 ERR-ANALYS (DATA-ERR,,3.) The individual points have a standard 2103100200008 error which is generally less than 3%. 2103100200009 The statistical errors at higher energies are greater. 2103100200010 (ERR-1,2.,3.)The errors arising from the uncertainties 2103100200011 in the normalization of the overlapping parts of the 2103100200012 curve amounted to 2% from 0.1 to 1.0 eV, and 3% 2103100200013 above 1.0 eV. 2103100200014 STATUS (NDD) 2103100200015 HISTORY (20121228A) SD: MONIT-ERR was added to COMMON 2103100200016 ENDBIB 14 0 2103100200017 COMMON 3 3 2103100200018 EN-NRM MONIT MONIT-ERR 2103100200019 EV B B 2103100200020 2.5300E-02 7.0200E+02 20. 2103100200021 ENDCOMMON 3 0 2103100200022 DATA 2 175 2103100200023 EN DATA 2103100200024 MEV B 2103100200025 6.8000E-09 1.3440E+03 2103100200026 8.5000E-09 1.1980E+03 2103100200027 9.9000E-09 1.1090E+03 2103100200028 1.1700E-08 9.9700E+02 2103100200029 1.3100E-08 9.5120E+02 2103100200030 1.4800E-08 9.1460E+02 2103100200031 1.7000E-08 8.5290E+02 2103100200032 1.9700E-08 8.2240E+02 2103100200033 2.2900E-08 7.5530E+02 2103100200034 2.7200E-08 6.8220E+02 2103100200035 2.9100E-08 6.4330E+02 2103100200036 3.2900E-08 6.3260E+02 2103100200037 3.3000E-08 6.3970E+02 2103100200038 3.5400E-08 5.9990E+02 2103100200039 3.7600E-08 5.8990E+02 2103100200040 3.9000E-08 5.6710E+02 2103100200041 4.2000E-08 5.6100E+02 2103100200042 4.3500E-08 5.4040E+02 2103100200043 4.6000E-08 5.7320E+02 2103100200044 4.7000E-08 5.3660E+02 2103100200045 4.8600E-08 5.2060E+02 2103100200046 5.1700E-08 5.3580E+02 2103100200047 5.2400E-08 5.2130E+02 2103100200048 5.8600E-08 5.1370E+02 2103100200049 5.9800E-08 4.8480E+02 2103100200050 6.0000E-08 5.1270E+02 2103100200051 6.2700E-08 4.8020E+02 2103100200052 6.5100E-08 4.8860E+02 2103100200053 6.8700E-08 4.5880E+02 2103100200054 6.9900E-08 4.8480E+02 2103100200055 7.5000E-08 4.5520E+02 2103100200056 7.5000E-08 4.9470E+02 2103100200057 8.1000E-08 4.6270E+02 2103100200058 8.5000E-08 4.2540E+02 2103100200059 8.7300E-08 4.5200E+02 2103100200060 1.1300E-07 4.3600E+02 2103100200061 1.2000E-07 4.4520E+02 2103100200062 1.3300E-07 4.6400E+02 2103100200063 1.3900E-07 4.8430E+02 2103100200064 1.5500E-07 5.0300E+02 2103100200065 1.6300E-07 5.5600E+02 2103100200066 1.7500E-07 6.1600E+02 2103100200067 1.7900E-07 6.6700E+02 2103100200068 1.8500E-07 6.6800E+02 2103100200069 1.9300E-07 7.5500E+02 2103100200070 1.9800E-07 7.8900E+02 2103100200071 2.0000E-07 8.8000E+02 2103100200072 2.0500E-07 8.9100E+02 2103100200073 2.0800E-07 8.9300E+02 2103100200074 2.1300E-07 9.8700E+02 2103100200075 2.1300E-07 1.1160E+03 2103100200076 2.1400E-07 9.6800E+02 2103100200077 2.2100E-07 1.1550E+03 2103100200078 2.2200E-07 1.1740E+03 2103100200079 2.2400E-07 1.0870E+03 2103100200080 2.3000E-07 1.3580E+03 2103100200081 2.3300E-07 1.3490E+03 2103100200082 2.3900E-07 1.5760E+03 2103100200083 2.4000E-07 1.4460E+03 2103100200084 2.4700E-07 1.9160E+03 2103100200085 2.5000E-07 1.7200E+03 2103100200086 2.5000E-07 1.8260E+03 2103100200087 2.5200E-07 1.8800E+03 2103100200088 2.5700E-07 2.0100E+03 2103100200089 2.6000E-07 2.1960E+03 2103100200090 2.6200E-07 2.2220E+03 2103100200091 2.6400E-07 2.3420E+03 2103100200092 2.7000E-07 2.4640E+03 2103100200093 2.7100E-07 2.3990E+03 2103100200094 2.7200E-07 2.5600E+03 2103100200095 2.7700E-07 2.7620E+03 2103100200096 2.8400E-07 2.7250E+03 2103100200097 2.8400E-07 2.8650E+03 2103100200098 2.8700E-07 2.8760E+03 2103100200099 2.9200E-07 2.8940E+03 2103100200100 2.9600E-07 2.8580E+03 2103100200101 2.9800E-07 3.1150E+03 2103100200102 3.0000E-07 2.8250E+03 2103100200103 3.0800E-07 2.6890E+03 2103100200104 3.1000E-07 2.7170E+03 2103100200105 3.1500E-07 2.6880E+03 2103100200106 3.2400E-07 2.2460E+03 2103100200107 3.2500E-07 2.2090E+03 2103100200108 3.2500E-07 2.2760E+03 2103100200109 3.3000E-07 2.0300E+03 2103100200110 3.3600E-07 1.8720E+03 2103100200111 3.3800E-07 1.6250E+03 2103100200112 3.4100E-07 1.6490E+03 2103100200113 3.4900E-07 1.3790E+03 2103100200114 3.5300E-07 1.2670E+03 2103100200115 3.5900E-07 1.1690E+03 2103100200116 3.7200E-07 9.6600E+02 2103100200117 3.7600E-07 8.4200E+02 2103100200118 3.9500E-07 5.9700E+02 2103100200119 3.9600E-07 6.1300E+02 2103100200120 4.1800E-07 4.7500E+02 2103100200121 4.4100E-07 3.1800E+02 2103100200122 4.5600E-07 2.7010E+02 2103100200123 4.6600E-07 2.4700E+02 2103100200124 4.9500E-07 2.2200E+02 2103100200125 5.0700E-07 1.8490E+02 2103100200126 5.5900E-07 1.3800E+02 2103100200127 5.6000E-07 1.3000E+02 2103100200128 5.9000E-07 9.6100E+01 2103100200129 6.0500E-07 1.0020E+02 2103100200130 6.3000E-07 1.0140E+02 2103100200131 6.8000E-07 7.9400E+01 2103100200132 6.9000E-07 6.2700E+01 2103100200133 7.3000E-07 8.5900E+01 2103100200134 7.6000E-07 5.2200E+01 2103100200135 7.8000E-07 5.5700E+01 2103100200136 8.2000E-07 4.7600E+01 2103100200137 8.4000E-07 5.1200E+01 2103100200138 9.1000E-07 3.9000E+01 2103100200139 9.9000E-07 4.0400E+01 2103100200140 1.0700E-06 3.7100E+01 2103100200141 1.1700E-06 3.5700E+01 2103100200142 1.2800E-06 3.1400E+01 2103100200143 1.4100E-06 1.8800E+01 2103100200144 1.5600E-06 2.2600E+01 2103100200145 1.7300E-06 2.2800E+01 2103100200146 1.9400E-06 2.1900E+01 2103100200147 2.1800E-06 1.9800E+01 2103100200148 2.4600E-06 1.9200E+01 2103100200149 2.8300E-06 1.2400E+01 2103100200150 3.2600E-06 1.3600E+01 2103100200151 3.8200E-06 1.4900E+01 2103100200152 4.5300E-06 1.0300E+01 2103100200153 5.4400E-06 1.1800E+01 2103100200154 6.1000E-06 1.1000E+01 2103100200155 6.3300E-06 1.0200E+01 2103100200156 6.6000E-06 1.2900E+01 2103100200157 6.9000E-06 2.1400E+01 2103100200158 7.2000E-06 2.7000E+01 2103100200159 7.5100E-06 5.5700E+01 2103100200160 7.8800E-06 2.0600E+02 2103100200161 8.2500E-06 1.9200E+02 2103100200162 8.6400E-06 1.3800E+01 2103100200163 9.0800E-06 1.0900E+01 2103100200164 9.5200E-06 1.1000E+01 2103100200165 1.0000E-05 2.4100E+01 2103100200166 1.0600E-05 7.3800E+01 2103100200167 1.1200E-05 4.0000E+02 2103100200168 1.1800E-05 1.5400E+02 2103100200169 1.2500E-05 7.3800E+01 2103100200170 1.3200E-05 1.9200E+01 2103100200171 1.4000E-05 4.8800E+01 2103100200172 1.5000E-05 2.3500E+02 2103100200173 1.6000E-05 7.5000E+01 2103100200174 1.7000E-05 2.7900E+01 2103100200175 1.8200E-05 9.0000E+01 2103100200176 1.9600E-05 8.7000E+00 2103100200177 2.1000E-05 1.2600E+01 2103100200178 2.2800E-05 9.0800E+01 2103100200179 2.4600E-05 1.4200E+01 2103100200180 2.6800E-05 3.7600E+01 2103100200181 2.9200E-05 4.1000E+00 2103100200182 3.2000E-05 4.9000E+00 2103100200183 3.5200E-05 2.4000E+00 2103100200184 3.8800E-05 3.9000E+00 2103100200185 4.3100E-05 2.0600E+01 2103100200186 4.8000E-05 3.1800E+01 2103100200187 5.4000E-05 4.6900E+01 2103100200188 6.1100E-05 8.2000E+01 2103100200189 7.0000E-05 5.6200E+01 2103100200190 8.0200E-05 6.7700E+01 2103100200191 9.3200E-05 4.2000E+01 2103100200192 1.1000E-04 1.9200E+01 2103100200193 1.3200E-04 1.8000E+01 2103100200194 1.6100E-04 1.4700E+01 2103100200195 2.0000E-04 1.7200E+01 2103100200196 2.5600E-04 1.6500E+01 2103100200197 3.3800E-04 9.6000E+00 2103100200198 4.7000E-04 1.0600E+01 2103100200199 6.9000E-04 5.8000E+00 2103100200200 ENDDATA 177 0 2103100200201 ENDSUBENT 200 0 2103100299999 SUBENT 21031003 20121228 22342103100300001 BIB 2 2 2103100300002 REACTION (94-PU-239(N,0),,EN) 2103100300003 STATUS (TABLE) Tbl.1 from J.of Nucl.Energy,v.2,p.177 2103100300004 ENDBIB 2 0 2103100300005 NOCOMMON 0 0 2103100300006 DATA 2 6 2103100300007 DATA DATA-ERR 2103100300008 EV EV 2103100300009 8.0000E+00 2.0000E-01 2103100300010 1.1200E+01 3.0000E-01 2103100300011 1.5100E+01 4.0000E-01 2103100300012 1.8300E+01 5.0000E-01 2103100300013 2.2800E+01 7.0000E-01 2103100300014 2.6800E+01 9.0000E-01 2103100300015 ENDDATA 8 0 2103100300016 ENDSUBENT 15 0 2103100399999 SUBENT 21031004 20121228 22342103100400001 BIB 7 34 2103100400002 REACTION (94-PU-241(N,F),,SIG) 2103100400003 MONITOR (94-PU-241(N,F),,SIG) 2103100400004 SAMPLE 5.65 mg (as Pu) of the sample were deposited on a 2103100400005 0.004-inch thick platinum foil over a circular area 2103100400006 1.60 inches in diameter and the foil was mounted in a 2103100400007 fission chamber. 2103100400008 INC-SOURCE Three different beam conditions were used in the course2103100400009 of the experiment: 2103100400010 (i) above 0.1 eV a beam 1.38 inches in diameter was 2103100400011 first used, this being the largest beam-size which was 2103100400012 compatible with the Pu-241 foil diameter (1.60 inches);2103100400013 (ii) when it appeared possible that a resonance 2103100400014 existed in Pu-241 at 0.255 eV, these measurements were 2103100400015 repeated with a smaller beam, in order to eliminate the2103100400016 possibility that in certain positions of the crystal 2103100400017 some neutrons might have been passing outside the 2103100400018 boundary of the Pu-41 foil; the good agreement between 2103100400019 the first and second sets of measurements showed beyond2103100400020 doubt that the observed resonance was real, and was not2103100400021 due to any such spurious effect; 2103100400022 (iii) the energy region below 0.1 eV was explored with2103100400023 a Pu-239 filter interposed between the crystal and the 2103100400024 chambers, for reasons that have already been discussed.2103100400025 In the measurements on the linear accelerator, 2103100400026 covering the energy range 0.2 to 70 eV, the procedure 2103100400027 was identical with that used for the measurements 2103100400028 on PU-239. 2103100400029 ERR-ANALYS The statistical accuracy of the normalization to 2103100400030 MONITOR points at ~0.08 eV is +-4%. 2103100400031 The statistical accuracy of the normalization between 2103100400032 the crystal-spectrometer and linear accelerator 2103100400033 observations is +-6%. 2103100400034 STATUS (NDD) 2103100400035 HISTORY (20121228A) SD: MONIT-ERR was added to COMMON 2103100400036 ENDBIB 34 0 2103100400037 COMMON 3 3 2103100400038 EN-NRM MONIT MONIT-ERR 2103100400039 EV B B 2103100400040 2.5300E-02 9.3500E+02 40. 2103100400041 ENDCOMMON 3 0 2103100400042 DATA 2 51 2103100400043 EN DATA 2103100400044 MEV B 2103100400045 6.1500E-09 1.5200E+03 2103100400046 6.9000E-09 1.5400E+03 2103100400047 7.7500E-09 1.6200E+03 2103100400048 8.9000E-09 1.4700E+03 2103100400049 1.0100E-08 1.3800E+03 2103100400050 1.0800E-08 1.4850E+03 2103100400051 1.1700E-08 1.3250E+03 2103100400052 1.1900E-08 1.3700E+03 2103100400053 1.2700E-08 1.2400E+03 2103100400054 1.3800E-08 1.2250E+03 2103100400055 1.5000E-08 1.1550E+03 2103100400056 1.6500E-08 1.2350E+03 2103100400057 1.8200E-08 1.0750E+03 2103100400058 2.0000E-08 1.1200E+03 2103100400059 2.2100E-08 1.1650E+03 2103100400060 2.4600E-08 9.7500E+02 2103100400061 2.7600E-08 8.9800E+02 2103100400062 3.1200E-08 8.0600E+02 2103100400063 4.0200E-08 7.7500E+02 2103100400064 4.3100E-08 7.7500E+02 2103100400065 4.6800E-08 6.2500E+02 2103100400066 5.5000E-08 6.6500E+02 2103100400067 5.7200E-08 6.2400E+02 2103100400068 6.3000E-08 7.1400E+02 2103100400069 6.5200E-08 6.8200E+02 2103100400070 6.7500E-08 6.3800E+02 2103100400071 6.8000E-08 6.0800E+02 2103100400072 7.3000E-08 5.8800E+02 2103100400073 7.9200E-08 6.3000E+02 2103100400074 7.9400E-08 6.5200E+02 2103100400075 8.6000E-08 5.9600E+02 2103100400076 9.3500E-08 5.4500E+02 2103100400077 9.7500E-08 6.1000E+02 2103100400078 9.9500E-08 5.7900E+02 2103100400079 1.0100E-07 6.3200E+02 2103100400080 1.2700E-07 5.6400E+02 2103100400081 1.4600E-07 7.1600E+02 2103100400082 1.6700E-07 6.9300E+02 2103100400083 1.9700E-07 1.0580E+03 2103100400084 2.0200E-07 9.3300E+02 2103100400085 2.1300E-07 1.2490E+03 2103100400086 2.2100E-07 1.3140E+03 2103100400087 2.4500E-07 1.5880E+03 2103100400088 2.4700E-07 1.5170E+03 2103100400089 2.6600E-07 1.3850E+03 2103100400090 2.8600E-07 1.4530E+03 2103100400091 2.9000E-07 1.3490E+03 2103100400092 3.0000E-07 9.3300E+02 2103100400093 3.1800E-07 5.2000E+02 2103100400094 3.2000E-07 3.2400E+02 2103100400095 3.4100E-07 3.7700E+02 2103100400096 ENDDATA 53 0 2103100400097 ENDSUBENT 96 0 2103100499999 SUBENT 21031005 20121228 22342103100500001 BIB 3 3 2103100500002 REACTION (94-PU-241(N,F),,SIG) 2103100500003 MONITOR (94-PU-241(N,F),,SIG) 2103100500004 STATUS (NDD ) 2103100500005 ENDBIB 3 0 2103100500006 COMMON 3 3 2103100500007 EN-NRM MONIT MONIT-ERR 2103100500008 EV B B 2103100500009 2.5300E-02 9.3500E+02 40. 2103100500010 ENDCOMMON 3 0 2103100500011 DATA 3 23 2103100500012 EN DATA DATA-ERR 2103100500013 MEV B B 2103100500014 3.5000E-07 1.5900E+02 1.2900E+02 2103100500015 3.9500E-07 1.9200E+02 7.7000E+01 2103100500016 4.6800E-07 0.0000E+00 5.6000E+01 2103100500017 6.8000E-07 6.6000E+01 3.8000E+01 2103100500018 8.4000E-07 0.0000E+00 3.0000E+01 2103100500019 1.0800E-06 5.6000E+01 2.7000E+01 2103100500020 2.8600E-06 2.1000E+01 1.2000E+01 2103100500021 3.8800E-06 4.4000E+01 2.0000E+01 2103100500022 4.2000E-06 1.7000E+02 4.7000E+01 2103100500023 4.3500E-06 3.7100E+02 5.6000E+01 2103100500024 4.5100E-06 4.7500E+02 5.7000E+01 2103100500025 4.6600E-06 3.4600E+02 5.5000E+01 2103100500026 4.8400E-06 2.0900E+02 4.4000E+01 2103100500027 5.0000E-06 1.1600E+02 4.1000E+01 2103100500028 5.3000E-06 6.4000E+01 2.6000E+01 2103100500029 5.6100E-06 2.9500E+02 4.8000E+01 2103100500030 5.8300E-06 2.3800E+02 4.6000E+01 2103100500031 6.1000E-06 3.2200E+02 4.7000E+01 2103100500032 6.3300E-06 3.7500E+02 4.9000E+01 2103100500033 6.6000E-06 2.9300E+02 4.5000E+01 2103100500034 6.9000E-06 3.3200E+02 4.6000E+01 2103100500035 7.2000E-06 4.1500E+02 4.8000E+01 2103100500036 7.5100E-06 1.7300E+02 3.9000E+01 2103100500037 ENDDATA 25 0 2103100500038 ENDSUBENT 37 0 2103100599999 SUBENT 21031006 20121225 22342103100600001 BIB 3 3 2103100600002 REACTION (94-PU-241(N,0),,EN) Resonance energy 2103100600003 STATUS (NDD) 2103100600004 HISTORY (20000218T) + + Transferred from 22506.002 2103100600005 ENDBIB 3 0 2103100600006 NOCOMMON 0 0 2103100600007 DATA 1 4 2103100600008 DATA 2103100600009 EV 2103100600010 5.8000E+00 2103100600011 6.3000E+00 2103100600012 7.1000E+00 2103100600013 1.0000E+01 2103100600014 ENDDATA 6 0 2103100600015 ENDSUBENT 14 0 2103100699999 SUBENT 21031007 20121225 22342103100700001 BIB 3 6 2103100700002 REACTION 1(94-PU-239(N,0),,EN) Resonance energy 2103100700003 2(94-PU-239(N,F),,WID) 2103100700004 3(94-PU-239(N,F),,SIG,,RES) 2103100700005 STATUS (TABLE) Data from JNE,2,177,1956 2103100700006 (DEP,21031002) 2103100700007 HISTORY (20121225C) SD 2103100700008 ENDBIB 6 0 2103100700009 NOCOMMON 0 0 2103100700010 DATA 5 1 2103100700011 DATA 1DATA 2DATA-ERR 2DATA 3DATA-ERR 3 2103100700012 EV EV EV B B 2103100700013 0.297 0.098 0.003 2940. 100. 2103100700014 ENDDATA 3 0 2103100700015 ENDSUBENT 14 0 2103100799999 SUBENT 21031008 20121225 22342103100800001 BIB 3 6 2103100800002 REACTION 1(94-PU-241(N,0),,EN) Resonance energy 2103100800003 2(94-PU-241(N,F),,WID) 2103100800004 3(94-PU-241(N,F),,SIG,,RES) 2103100800005 STATUS (TABLE) Data from JNE,2,177,1956 2103100800006 (DEP,21031005) 2103100800007 HISTORY (20121225C) SD 2103100800008 ENDBIB 6 0 2103100800009 NOCOMMON 0 0 2103100800010 DATA 5 1 2103100800011 DATA 1DATA 2DATA-ERR 2DATA 3DATA-ERR 3 2103100800012 EV EV EV B B 2103100800013 0.255 0.103 0.02 1420. 150. 2103100800014 ENDDATA 3 0 2103100800015 ENDSUBENT 14 0 2103100899999 ENDENTRY 8 0 2103199999999