ENTRY 40713 20231113 421640713 0 1 SUBENT 40713001 20231113 421640713 1 1 BIB 10 19 40713 1 2 TITLE The effective cross section for fission of Th229 40713 1 3 AUTHOR (B.M.Gokhberg,G.A.Otroshchenko,V.A.Shigin) 40713 1 4 REFERENCE (J,SPD,4,1064,1959) Eng.translation of DOK,128,911,195940713 1 5 (J,DOK,128,911,1959) Issue 5. 40713 1 6 INSTITUTE (4RUSKUR) 40713 1 7 FACILITY (VDG,4RUSKUR) Electrostatic generator 40713 1 8 INC-SOURCE (P-T) T-Ti target on Mo support. 40713 1 9 SAMPLE 60 microgram of TH-229 and 1.5 milligram of Th-232 40713 1 10 DETECTOR (FISCH) Parallel-plane ionization chamber filled with 40713 1 11 65 % Ar and 35 % methane at 2 atm pressure. 40713 1 12 (LONGC) Long boron counters of the McKibben type - 40713 1 13 for neutron flux. 40713 1 14 CORRECTION Background was measured to be ~3.5 % of the direct 40713 1 15 neutron flux ordinary, and amounted 60% in measurement 40713 1 16 with 6 keV neutrons. 40713 1 17 HISTORY (19840418T) Converted From ENTRY 80121 40713 1 18 (20231113U) Upper -> lower case correction. 40713 1 19 Dates were corrected for 4-digits year. 40713 1 20 BIB information was updated. 40713 1 21 ENDBIB 19 0 40713 1 22 NOCOMMON 0 0 40713 1 23 ENDSUBENT 22 0 40713 199999 SUBENT 40713002 20231113 421640713 2 1 BIB 3 4 40713 2 2 REACTION (90-TH-229(N,F),,SIG) 40713 2 3 ERR-ANALYS (DATA-ERR) Type of uncertainty is not explained in the 40713 2 4 article. 40713 2 5 STATUS (CURVE,,B.M.Gokhberg+,J,SPD,4,1064,1959) Fig.1 40713 2 6 ENDBIB 4 0 40713 2 7 NOCOMMON 0 0 40713 2 8 DATA 4 23 40713 2 9 EN EN-RSL DATA DATA-ERR 40713 2 10 MEV MEV B B 40713 2 11 6.00E-03 2.E-03 1.20E+00 2.5E-01 40713 2 12 1.19E-02 7.10E-01 1.0E-01 40713 2 13 2.73E-02 5.90E-01 5.0E-02 40713 2 14 4.87E-02 5.50E-01 4.0E-02 40713 2 15 1.23E-01 5.70E-01 5.0E-02 40713 2 16 2.00E-01 4.40E-01 4.0E-02 40713 2 17 2.75E-01 4.30E-01 3.0E-02 40713 2 18 3.55E-01 2.0E-02 3.70E-01 3.0E-02 40713 2 19 4.08E-01 2.0E-02 3.50E-01 3.0E-02 40713 2 20 4.60E-01 2.0E-02 2.50E-01 3.0E-02 40713 2 21 5.15E-01 2.0E-02 1.90E-01 2.0E-02 40713 2 22 5.75E-01 2.0E-02 1.90E-01 2.0E-02 40713 2 23 6.15E-01 2.0E-02 1.80E-01 2.0E-02 40713 2 24 6.80E-01 2.0E-02 2.10E-01 2.0E-02 40713 2 25 7.15E-01 2.0E-02 2.40E-01 2.0E-02 40713 2 26 7.95E-01 2.0E-02 1.90E-01 2.0E-02 40713 2 27 8.40E-01 2.0E-02 2.70E-01 2.0E-02 40713 2 28 8.90E-01 2.0E-02 2.00E-01 2.0E-02 40713 2 29 9.40E-01 2.0E-02 2.40E-01 2.0E-02 40713 2 30 1.00E+00 2.0E-01 2.00E-01 2.0E-02 40713 2 31 1.07E+00 2.0E-01 2.40E-01 2.0E-02 40713 2 32 1.13E+00 2.0E-01 1.90E-01 2.0E-02 40713 2 33 1.20E+00 2.0E-01 2.20E-01 2.0E-02 40713 2 34 ENDDATA 25 0 40713 2 35 ENDSUBENT 34 0 40713 299999 ENDENTRY 2 0 4071399999999