ENTRY 21785 20180311 22672178500000001 SUBENT 21785001 20180311 22672178500100001 BIB 11 33 2178500100002 INSTITUTE (2FR BRC) 2178500100003 REFERENCE (C,82ANTWER,,78,1982) Main reference. (In French) 2178500100004 (R,CEA-N-2196,1981) (In French) 2178500100005 (P,NEANDC(E)-212,(5),57,1980) in German 2178500100006 AUTHOR (J.Frehaut,A.Bertin,R.Bois) 2178500100007 TITLE Measurement of prompt nu-bar and prompt E-gamma 2178500100008 in the fission of Th-232,U-235, and Np-237 induced 2178500100009 by neutrons in the energy range between 1 and 15 MeV 2178500100010 FACILITY (VDG,2FR BRC) Tandem Van de Graaff accelerator, 7 MV. 2178500100011 INC-SOURCE (P-T) The T(p,n)He-3 reaction and 2178500100012 (D-D) the D(d,n)He-3 reaction using gas targets 2178500100013 in both cases. 2178500100014 They were 7.5 cm long and had a pressure between 2178500100015 1 and 2 bars. 2178500100016 METHOD (TOF) Time of flight techniques in order to 2178500100017 discriminate against fissions induced by 2178500100018 secondary neutrons. 2178500100019 DETECTOR (FISCH) Fission chamber associated with 2178500100020 (STANK) a big Gd-loaded liquid scintillator. 2178500100021 In the first experiment (Np+U) the fission 2178500100022 chamber was filled with argon mixed with 20% 2178500100023 methane under a pressure of 3 bars. 2178500100024 In the second experiment (Th) it was filled 2178500100025 argon with 2% nitrogen under a pressure of 7.5 bars. 2178500100026 CORRECTION .No information given. 2178500100027 ERR-ANALYS (ERR-T) Total error includes: 2178500100028 * systematic error (no additional information) 2178500100029 (ERR-S) Statistical error is about 0.6% 2178500100030 HISTORY (19820407C) CN. 2178500100031 (19830125A) G.C., Reaction strings corrected, 2178500100032 new main reference, Subents 3 and 4 added. 2178500100033 (20180311U) SD:Updated to new date formats,lower case. 2178500100034 ERR-ANALYS update. Comma in main ref. was added. 2178500100035 ENDBIB 33 0 2178500100036 COMMON 1 3 2178500100037 ERR-S 2178500100038 PER-CENT 2178500100039 0.6 2178500100040 ENDCOMMON 3 0 2178500100041 ENDSUBENT 40 0 2178500199999 SUBENT 21785002 20180311 22672178500200001 BIB 5 13 2178500200002 REACTION (93-NP-237(N,F),PR,NU) 2178500200003 SAMPLE .100 mg Np-237 in the form of oxide deposited 2178500200004 on platinum disks of 0.2 mm thickness and at 2178500200005 distances of 1.5 mm. The thickness of each 2178500200006 deposit was 0.7 mg/cm**2. 2178500200007 MONITOR (98-CF-252(0,F),PR,NU) 2178500200008 a deposit of Cf-252 was present in the 2178500200009 fission chamber in both experiments. 2178500200010 STATUS (TABLE) Data taken from CEA-N-2196; the same data are 2178500200011 given in table 1 of 82ANTWER,,78,1982 (difference in 2178500200012 accuracy of data presentation) 2178500200013 HISTORY (19830125A) G.C., Reaction string corrected. 2178500200014 (20180311U) SD: NO-DIM -> PRT/FIS. 2178500200015 ENDBIB 13 0 2178500200016 COMMON 1 3 2178500200017 MONIT 2178500200018 PRT/FIS 2178500200019 3.732 2178500200020 ENDCOMMON 3 0 2178500200021 DATA 4 29 2178500200022 EN EN-RSL DATA ERR-T 2178500200023 MEV MEV PRT/FIS PRT/FIS 2178500200024 1.143 0.240 2.7058 0.0206 2178500200025 1.734 0.194 2.7594 0.0196 2178500200026 2.299 0.163 2.8424 0.0224 2178500200027 2.846 0.143 2.9320 0.0220 2178500200028 3.382 0.128 3.0152 0.0245 2178500200029 3.912 0.115 3.0843 0.0242 2178500200030 4.435 0.106 3.1932 0.0251 2178500200031 4.952 0.102 3.2724 0.0253 2178500200032 5.472 0.093 3.3682 0.0254 2178500200033 5.990 0.085 3.4371 0.0253 2178500200034 6.030 0.335 3.4512 0.0230 2178500200035 6.502 0.080 3.5360 0.0284 2178500200036 6.612 0.285 3.5597 0.0217 2178500200037 7.167 0.250 3.6210 0.0212 2178500200038 7.706 0.225 3.7084 0.0217 2178500200039 8.233 0.205 3.7849 0.0233 2178500200040 8.750 0.185 3.8818 0.0252 2178500200041 9.259 0.170 3.9882 0.0249 2178500200042 9.766 0.160 4.0290 0.0316 2178500200043 10.265 0.150 4.1208 0.0285 2178500200044 10.762 0.140 4.1794 0.0275 2178500200045 11.257 0.135 4.2869 0.0321 2178500200046 11.748 0.125 4.3637 0.0387 2178500200047 12.237 0.120 4.4184 0.0321 2178500200048 12.724 0.115 4.4694 0.0335 2178500200049 13.208 0.110 4.5239 0.0306 2178500200050 13.692 0.105 4.5856 0.0329 2178500200051 14.175 0.100 4.6548 0.0367 2178500200052 14.656 0.095 4.7018 0.0469 2178500200053 ENDDATA 31 0 2178500200054 ENDSUBENT 53 0 2178500299999 SUBENT 21785003 20180311 22672178500300001 BIB 5 11 2178500300002 REACTION (92-U-235(N,F),PR,NU) Prompt nu-bar. 2178500300003 SAMPLE (92-U-235,ENR=0.9983) .100 mg U-235, 99.83% enriched in2178500300004 the form of oxide, distributed in layers of 2178500300005 0.7 mg/cm**2 over platinum disks of 0.2 mm 2178500300006 thickness and at mutual distances of 1.5 mm. 2178500300007 MONITOR (98-CF-252(0,F),PR,NU) 2178500300008 A deposit of Cf-252 was present in the 2178500300009 fission chamber in both experiments. 2178500300010 STATUS (TABLE) Data taken from table 1 of 82ANTWER,,78,1982 2178500300011 HISTORY (19830125C) G.C. 2178500300012 (20180311U) SD: NO-DIM -> PRT/FIS. 2178500300013 ENDBIB 11 0 2178500300014 COMMON 1 3 2178500300015 MONIT 2178500300016 PRT/FIS 2178500300017 3.732 2178500300018 ENDCOMMON 3 0 2178500300019 DATA 4 29 2178500300020 EN EN-RSL DATA ERR-T 2178500300021 MEV MEV PRT/FIS PRT/FIS 2178500300022 1.14 0.24 2.475 0.018 2178500300023 1.73 0.19 2.557 0.017 2178500300024 2.30 0.16 2.610 0.019 2178500300025 2.85 0.14 2.685 0.019 2178500300026 3.38 0.13 2.751 0.021 2178500300027 3.91 0.12 2.816 0.022 2178500300028 4.43 0.11 2.919 0.022 2178500300029 4.95 0.10 2.981 0.023 2178500300030 5.47 0.09 3.084 0.022 2178500300031 5.99 0.09 3.170 0.023 2178500300032 6.03 0.34 3.173 0.021 2178500300033 6.50 0.08 3.278 0.025 2178500300034 6.61 0.28 3.311 0.021 2178500300035 7.17 0.25 3.387 0.019 2178500300036 7.71 0.23 3.460 0.020 2178500300037 8.23 0.20 3.537 0.021 2178500300038 8.75 0.19 3.609 0.023 2178500300039 9.26 0.17 3.681 0.022 2178500300040 9.77 0.16 3.768 0.025 2178500300041 10.27 0.15 3.843 0.026 2178500300042 10.76 0.14 3.903 0.029 2178500300043 11.26 0.14 3.993 0.029 2178500300044 11.75 0.13 4.068 0.035 2178500300045 12.24 0.12 4.118 0.030 2178500300046 12.72 0.12 4.215 0.031 2178500300047 13.21 0.11 4.279 0.027 2178500300048 13.69 0.10 4.365 0.036 2178500300049 14.18 0.10 4.408 0.032 2178500300050 14.66 0.10 4.459 0.040 2178500300051 ENDDATA 31 0 2178500300052 ENDSUBENT 51 0 2178500399999 SUBENT 21785004 20180311 22672178500400001 BIB 5 11 2178500400002 REACTION (90-TH-232(N,F),PR,NU) Prompt nu-bar. 2178500400003 SAMPLE .1 g of Th-232 in the form of oxide distributed 2178500400004 over titanium disks of 55 microns thickness, 2178500400005 spaced at 0.5 mm. The thickness of the deposits 2178500400006 was 1 mg/cm**2. 2178500400007 MONITOR (98-CF-252(0,F),PR,NU) 2178500400008 a deposit of Cf-252 was present in the 2178500400009 fission chamber in both experiments. 2178500400010 STATUS (TABLE) Data taken from table 1 of 82ANTWER,,78,1982 2178500400011 HISTORY (19830125C) G.C. 2178500400012 (20180311U) SD: NO-DIM -> PRT/FIS. 2178500400013 ENDBIB 11 0 2178500400014 COMMON 1 3 2178500400015 MONIT 2178500400016 PRT/FIS 2178500400017 3.732 2178500400018 ENDCOMMON 3 0 2178500400019 DATA 4 34 2178500400020 EN EN-RSL DATA ERR-T 2178500400021 MEV MEV PRT/FIS PRT/FIS 2178500400022 2.37 0.02 2.146 0.012 2178500400023 2.59 0.08 2.184 0.021 2178500400024 2.93 0.02 2.215 0.015 2178500400025 3.39 0.06 2.236 0.014 2178500400026 3.91 0.06 2.289 0.015 2178500400027 4.43 0.05 2.369 0.015 2178500400028 4.49 0.12 2.338 0.020 2178500400029 4.95 0.05 2.440 0.015 2178500400030 5.13 0.09 2.490 0.017 2178500400031 5.47 0.05 2.519 0.018 2178500400032 5.72 0.07 2.547 0.023 2178500400033 5.98 0.04 2.623 0.020 2178500400034 6.27 0.06 2.776 0.014 2178500400035 6.49 0.04 2.849 0.018 2178500400036 6.82 0.05 2.776 0.024 2178500400037 6.90 0.20 3.015 0.011 2178500400038 7.00 0.04 2.984 0.021 2178500400039 7.35 0.25 3.066 0.014 2178500400040 7.51 0.04 3.035 0.023 2178500400041 7.88 0.22 3.055 0.013 2178500400042 8.39 0.20 3.115 0.012 2178500400043 8.90 0.18 3.150 0.014 2178500400044 9.40 0.17 3.211 0.016 2178500400045 9.90 0.16 3.278 0.015 2178500400046 10.39 0.15 3.329 0.017 2178500400047 10.88 0.14 3.441 0.020 2178500400048 11.37 0.13 3.487 0.016 2178500400049 11.86 0.13 3.586 0.021 2178500400050 12.34 0.12 3.623 0.019 2178500400051 12.85 0.11 3.692 0.018 2178500400052 13.31 0.11 3.792 0.021 2178500400053 13.80 0.10 3.891 0.020 2178500400054 14.29 0.10 3.978 0.026 2178500400055 14.74 0.10 4.061 0.023 2178500400056 ENDDATA 36 0 2178500400057 ENDSUBENT 56 0 2178500499999 ENDENTRY 4 0 2178599999999