ENTRY 40713 20231113 4071300000001 SUBENT 40713001 20231113 20240513 4071300100001 BIB 10 19 4071300100002 TITLE The effective cross section for fission of Th229 4071300100003 AUTHOR (B.M.Gokhberg,G.A.Otroshchenko,V.A.Shigin) 4071300100004 REFERENCE (J,SPD,4,1064,1959) Eng.translation of DOK,128,911,19594071300100005 (J,DOK,128,911,1959) Issue 5. 4071300100006 INSTITUTE (4RUSKUR) 4071300100007 FACILITY (VDG,4RUSKUR) Electrostatic generator 4071300100008 INC-SOURCE (P-T) T-Ti target on Mo support. 4071300100009 SAMPLE 60 microgram of TH-229 and 1.5 milligram of Th-232 4071300100010 DETECTOR (FISCH) Parallel-plane ionization chamber filled with 4071300100011 65 % Ar and 35 % methane at 2 atm pressure. 4071300100012 (LONGC) Long boron counters of the McKibben type - 4071300100013 for neutron flux. 4071300100014 CORRECTION Background was measured to be ~3.5 % of the direct 4071300100015 neutron flux ordinary, and amounted 60% in measurement 4071300100016 with 6 keV neutrons. 4071300100017 HISTORY (19840418T) Converted From ENTRY 80121 4071300100018 (20231113U) Upper -> lower case correction. 4071300100019 Dates were corrected for 4-digits year. 4071300100020 BIB information was updated. 4071300100021 ENDBIB 19 0 4071300100022 NOCOMMON 0 0 4071300100023 ENDSUBENT 22 0 4071300199999 SUBENT 40713002 20231113 20240513 4071300200001 BIB 3 4 4071300200002 REACTION (90-TH-229(N,F),,SIG) 4071300200003 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 4071300200004 article. 4071300200005 STATUS (CURVE,,B.M.Gokhberg+,J,SPD,4,1064,1959) Fig.1 4071300200006 ENDBIB 4 0 4071300200007 NOCOMMON 0 0 4071300200008 DATA 4 23 4071300200009 EN EN-RSL DATA DATA-ERR 4071300200010 MEV MEV B B 4071300200011 6.00E-03 2.E-03 1.20E+00 2.5E-01 4071300200012 1.19E-02 7.10E-01 1.0E-01 4071300200013 2.73E-02 5.90E-01 5.0E-02 4071300200014 4.87E-02 5.50E-01 4.0E-02 4071300200015 1.23E-01 5.70E-01 5.0E-02 4071300200016 2.00E-01 4.40E-01 4.0E-02 4071300200017 2.75E-01 4.30E-01 3.0E-02 4071300200018 3.55E-01 2.0E-02 3.70E-01 3.0E-02 4071300200019 4.08E-01 2.0E-02 3.50E-01 3.0E-02 4071300200020 4.60E-01 2.0E-02 2.50E-01 3.0E-02 4071300200021 5.15E-01 2.0E-02 1.90E-01 2.0E-02 4071300200022 5.75E-01 2.0E-02 1.90E-01 2.0E-02 4071300200023 6.15E-01 2.0E-02 1.80E-01 2.0E-02 4071300200024 6.80E-01 2.0E-02 2.10E-01 2.0E-02 4071300200025 7.15E-01 2.0E-02 2.40E-01 2.0E-02 4071300200026 7.95E-01 2.0E-02 1.90E-01 2.0E-02 4071300200027 8.40E-01 2.0E-02 2.70E-01 2.0E-02 4071300200028 8.90E-01 2.0E-02 2.00E-01 2.0E-02 4071300200029 9.40E-01 2.0E-02 2.40E-01 2.0E-02 4071300200030 1.00E+00 2.0E-01 2.00E-01 2.0E-02 4071300200031 1.07E+00 2.0E-01 2.40E-01 2.0E-02 4071300200032 1.13E+00 2.0E-01 1.90E-01 2.0E-02 4071300200033 1.20E+00 2.0E-01 2.20E-01 2.0E-02 4071300200034 ENDDATA 25 0 4071300200035 ENDSUBENT 34 0 4071300299999 ENDENTRY 2 0 4071399999999