ENTRY 21455 20160710 22512145500000001 SUBENT 21455001 20160710 22512145500100001 BIB 12 35 2145500100002 INSTITUTE (2FR SAC) 2145500100003 REFERENCE (C,58GENEVA,16,106,195809) 2145500100004 AUTHOR (P.Billaud,C.Clair,M.Gaudin,R.Genin,R.Joly,J.L.Leroy, 2145500100005 A.Michaudon,J.Ouvry,C.Signarbieux,G.Vendryes) 2145500100006 TITLE -Measurement of the fission cross sections and number 2145500100007 of prompt neutrons emitted during fission.- 2145500100008 FACILITY (SPECC,2FR SAC) Crystal spectrometer. 2145500100009 (SELVE) Coarse mechanical selector to eliminate 2145500100010 higher order Bragg diffractions. 2145500100011 REL-REF (I,,P.Hubert+,J,JPR,19,79,1958) 2145500100012 #doi.org/10.1051/jphysrad:0195800190107900 2145500100013 Mechanical selector details. 2145500100014 (O,21452001,P.Billaud+,C,58GENEVA,16,106,1958) 2145500100015 U-238 fis. CS in Entry 21452 2145500100016 (O,21453001,J.Leroy,J,JPR,21,617,1960) 2145500100017 NU data of P.Billaud+,C,58GENEVA,16,106,1958 are 2145500100018 superseded in J.Leroy,J,JPR,21,617,1960, Entry 21453 :2145500100019 Subent 002 - U-238, data the same, 2145500100020 003 - Th-232 . 2145500100021 INC-SOURCE .No details given. 2145500100022 SAMPLE .In each ionization chamber a deposit of 1200 mg, 2145500100023 0.8 mg/cm*cm thick, obtained by painting of nitrate 2145500100024 onto thin aluminum sheets and calcining. 2145500100025 DETECTOR (FISCH) Fission chamber consisting of 4 ionization 2145500100026 chambers. 2145500100027 (IOCH) Ionization chamber with a B-10 layer to 2145500100028 monitor the incident neutron flux. 2145500100029 PART-DET (FF) Fission fragments. 2145500100030 STATUS (NDD) Data taken from NEUDADA. 2145500100031 HISTORY (19800306T) G.C. 2145500100032 (19800318E) 2145500100033 (20160710U) M.M. Upper -> lower case correction. 2145500100034 Dates were corrected for 4-digits year. 2145500100035 Article was checked, BIB information was updated. 2145500100036 Digitized data were added in Subent 002. 2145500100037 ENDBIB 35 0 2145500100038 NOCOMMON 0 0 2145500100039 ENDSUBENT 38 0 2145500199999 SUBENT 21455002 20160710 22512145500200001 BIB 9 42 2145500200002 REACTION (94-PU-239(N,F),,SIG) 2145500200003 MONITOR (94-PU-239(N,F),,SIG) 2145500200004 ANALYSIS .A 1/V-shape was assumed for the boron cross section 2145500200005 B-10(N,A)Li-7 so that the ratios of the counting 2145500200006 rates of the Pu and B chambers are proportional to 2145500200007 SIGfis*SQRT(E) , provided corrections. 2145500200008 CORRECTION .For absorption in the Pu-layer, for background, 2145500200009 for absorption effects in the boron chamber. 2145500200010 REL-REF (N,,Hanford,R,BNL-325,1955) 2145500200011 Data are compared with data of Hanford from BNL-325 2145500200012 ( digitized from the same fig.15) : 2145500200013 0.30223E-01 683.61 2145500200014 0.34837E-01 643.28 2145500200015 0.40156E-01 605.29 2145500200016 0.45300E-01 572.06 2145500200017 0.50022E-01 555.30 2145500200018 0.55477E-01 540.87 2145500200019 0.60205E-01 517.16 2145500200020 0.64785E-01 507.52 2145500200021 0.70012E-01 493.19 2145500200022 0.80030E-01 478.65 2145500200023 0.90310E-01 468.84 2145500200024 0.10017 463.77 2145500200025 COMMENT Of compiler M.M. 2145500200026 There are misprints on Fig.15 of 58GENEVA,16,106,1958: 2145500200027 - scale Y ( CS values) looks like 10 times higher than 2145500200028 now-day data ( exp. and eval.) and also taking into 2145500200029 account the normalization CS = 729b for thermal point 2145500200030 ( Mughabghab's value of 2006 year is 741b); 2145500200031 - on scale X (= En) the value 7E-2 -> 7.E-3 probably. 2145500200032 These comments were applied at digitizing. 2145500200033 ERR-ANALYS .No details given. 2145500200034 (EN-ERR-DIG) Digitizing error in scale X (energy), 2145500200035 reflect non-linearity of scale. 2145500200036 Quantization error (one pixel)for scale X - 0.1876 %. 2145500200037 (ERR-DIG) Digitizing error in scale Y (data), 2145500200038 reflect non-linearity of scale. 2145500200039 Quantization errors (one pixel)for scale Y - 2.342 b . 2145500200040 STATUS (CURVE) Fig.15 of 58GENEVA,16,106,1958 . 2145500200041 (OUTDT) 2145500200042 HISTORY (20160710A) M.M. Digitized data were added. 2145500200043 REL-REFs and COMMENT were added. 2145500200044 ENDBIB 42 0 2145500200045 COMMON 4 3 2145500200046 EN-NRM MONIT EN-ERR-DIG ERR-DIG 2145500200047 EV B PER-CENT B 2145500200048 0.0253 729. 0.94171 5.5823 2145500200049 ENDCOMMON 3 0 2145500200050 DATA 2 22 2145500200051 EN DATA 2145500200052 EV B 2145500200053 0.39324E-02 1702.7 2145500200054 0.49331E-02 1521.6 2145500200055 0.59323E-02 1415.5 2145500200056 0.69820E-02 1316.6 2145500200057 0.79760E-02 1250.5 2145500200058 0.89541E-02 1172.8 2145500200059 0.99680E-02 1113.9 2145500200060 0.10955E-01 1064.3 2145500200061 0.11936E-01 1012.5 2145500200062 0.13008E-01 979.42 2145500200063 0.13932E-01 941.70 2145500200064 0.14919E-01 887.59 2145500200065 0.15917E-01 880.32 2145500200066 0.16977E-01 856.67 2145500200067 0.17952E-01 830.70 2145500200068 0.18985E-01 811.77 2145500200069 0.19905E-01 795.20 2145500200070 0.20872E-01 790.34 2145500200071 0.21977E-01 769.08 2145500200072 0.22940E-01 743.16 2145500200073 0.23856E-01 766.44 2145500200074 0.24897E-01 726.47 2145500200075 ENDDATA 24 0 2145500200076 ENDSUBENT 75 0 2145500299999 ENDENTRY 2 0 2145599999999