ENTRY 21478 20101114 22252147800000001 SUBENT 21478001 20101114 22252147800100001 BIB 13 31 2147800100002 INSTITUTE (2FR SAC) 2147800100003 REFERENCE (R,CEA-652,2,1958) Summary of previous publications. 2147800100004 (J,CR,241,1935,195512) Crystal spectrometer data. 2147800100005 (J,JPR,17,563,195607) Be crystal data at 8 eV. 2147800100006 (J,PHY,22,1187(127),195611) Abstract of Be crystal data2147800100007 AUTHOR (M.Jacob) 2147800100008 TITLE -Study of the number of neutrons produced by fission 2147800100009 of Pu-239 -. 2147800100010 FACILITY (SPECC,2FR SAC) Crystal spectrometer to obtain a slow 2147800100011 and monoenergetic beam of neutrons from a pile 2147800100012 at Saclay. 2147800100013 INC-SOURCE (REAC ) Thermal pile. 2147800100014 SAMPLE .Ten Mg of Pu-239, as four deposits of oxide on 2147800100015 aluminium foils, 0.05 mm thick. 2147800100016 METHOD .Detection of neutrons in coincidence with fission 2147800100017 fragments. 2147800100018 DETECTOR (BF3 ) BF3 enriched in B-10 for fission neutrons. 2147800100019 (FISCH) Cylindrical fission chamber, filled with 2147800100020 10 cm Hg argon and 1 cm Hg carbon dioxide. 2147800100021 .The BF3 counters were arranged around the fission 2147800100022 chamber and were operated in coincidence. 2147800100023 PART-DET (N ) Fission neutrons. 2147800100024 (FF ) Fission fragments. 2147800100025 ERR-ANALYS (ERR-S) Statistical uncertainties at one standard 2147800100026 deviation. 2147800100027 STATUS (TABLE) .Table in text, CEA-652, page 11. 2147800100028 HISTORY (19800402C) 2147800100029 (19800429E) 2147800100030 (20101114A) SD:Updated to new date formats,lower case. 2147800100031 corrected according to last EXFOR rules and Dict. 2147800100032 Ref.correctd: PHY,22,1187,.. => PHY,22,1187(125),.2147800100033 ENDBIB 31 0 2147800100034 NOCOMMON 0 0 2147800100035 ENDSUBENT 34 0 2147800199999 SUBENT 21478002 20101114 22252147800200001 BIB 2 5 2147800200002 REACTION ((94-PU-239(N,F),,NU)//(94-PU-239(N,F),,NU)) 2147800200003 Value of nu relative to unity at a reference 2147800200004 energy of 0.0392 eV. 2147800200005 STATUS (TABLE) .Table in text, CEA-652, page 11. 2147800200006 .published in CR,241,1935. 2147800200007 ENDBIB 5 0 2147800200008 COMMON 1 3 2147800200009 EN-DN 2147800200010 EV 2147800200011 0.0392 2147800200012 ENDCOMMON 3 0 2147800200013 DATA 3 6 2147800200014 EN-NM DATA ERR-S 2147800200015 EV NO-DIM NO-DIM 2147800200016 7.0000E-02 9.9500E-01 1.0000E-02 2147800200017 1.5000E-01 1.0000E+00 1.0000E-02 2147800200018 2.0000E-01 9.9700E-01 1.3000E-02 2147800200019 2.5000E-01 9.9900E-01 1.2000E-02 2147800200020 3.0000E-01 9.9600E-01 9.0000E-03 2147800200021 3.5000E-01 1.0130E+00 1.4000E-02 2147800200022 ENDDATA 8 0 2147800200023 ENDSUBENT 22 0 2147800299999 SUBENT 21478003 20101114 22252147800300001 BIB 2 4 2147800300002 REACTION ((94-PU-239(N,F),,NU)//(94-PU-239(N,F),,NU)) Value 2147800300003 relative to unity at 0.06 eV. 2147800300004 STATUS (TABLE) .text, CEA-652, page 11. 2147800300005 .value published in JPR,17,563. 2147800300006 ENDBIB 4 0 2147800300007 COMMON 1 3 2147800300008 EN-DN 2147800300009 EV 2147800300010 0.06 2147800300011 ENDCOMMON 3 0 2147800300012 DATA 3 1 2147800300013 EN DATA ERR-S 2147800300014 EV NO-DIM NO-DIM 2147800300015 3.0000E-01 1.0025E+00 5.0000E-03 2147800300016 ENDDATA 3 0 2147800300017 ENDSUBENT 16 0 2147800399999 SUBENT 21478004 20101114 22252147800400001 BIB 3 6 2147800400002 REACTION ((94-PU-239(N,F),,NU)//(94-PU-239(N,F),,NU)) Value at 2147800400003 about 8 eV relative to unity at a reference 2147800400004 energy of 0.1 eV. 2147800400005 COMMENT .Beryllium crystal data. 2147800400006 STATUS (TABLE) .text, CEA-652, page 11. 2147800400007 published in JPR,17,563. 2147800400008 ENDBIB 6 0 2147800400009 COMMON 1 3 2147800400010 EN-DN 2147800400011 EV 2147800400012 0.1 2147800400013 ENDCOMMON 3 0 2147800400014 DATA 3 1 2147800400015 EN DATA ERR-S 2147800400016 EV NO-DIM NO-DIM 2147800400017 8.0000E+00 9.9300E-01 2.2000E-02 2147800400018 ENDDATA 3 0 2147800400019 ENDSUBENT 18 0 2147800499999 ENDENTRY 4 0 2147899999999