ENTRY 41703 20200810 41904170300000001 SUBENT 41703001 20200810 41904170300100001 BIB 12 20 4170300100002 TITLE Ternary fission of U235 by 14-MeV neutrons 4170300100003 AUTHOR (N.A.Perfilov,Z.I.Solov'eva,R.A.Filov) 4170300100004 REFERENCE (J,SJA,14,601,1964) Issue 6. Engl.translation of: 4170300100005 (J,AE,14,575,1963) Issue 6 4170300100006 INSTITUTE (4RUSRI) 4170300100007 FACILITY No information 4170300100008 INC-SOURCE (D-T) 4170300100009 INC-SPECT Monoenergetic neutron beam 4170300100010 SAMPLE U salt containing 92.8 % U-235 4170300100011 DETECTOR (PLATE) Photoemulsion p-9-0 plates were impregnated 4170300100012 with solution of uranium salt. Placed in a hollow Cd 4170300100013 cylinder with boron cover to eliminate thermal-neutron 4170300100014 background. Alpha particles were measured at least 4170300100015 30 um path in emulsion. 4170300100016 METHOD (FISCT) ~100000 binary fissions and 64 ternary fissions4170300100017 were detected. After correction - ternary to binary 4170300100018 fission 1:1350 +-190. 4170300100019 CORRECTION For alpha counting loss in path < 30 um. 4170300100020 For escape of particle from the emulsion. 4170300100021 HISTORY (20201001C) M.M. 4170300100022 ENDBIB 20 0 4170300100023 COMMON 1 3 4170300100024 EN 4170300100025 MEV 4170300100026 14. 4170300100027 ENDCOMMON 3 0 4170300100028 ENDSUBENT 27 0 4170300199999 SUBENT 41703002 20200810 41904170300200001 BIB 5 11 4170300200002 REACTION (92-U-235(N,F)2-HE-4,TER,FY/DE,,REL) 4170300200003 Energy spectrum of alpha-particles, units are counts. 4170300200004 EN-SEC (E,A) 4170300200005 REL-REF (A,41700002,N.A.Perfilov+,J,JET,14,7,1962) Issue 1. 4170300200006 Engl.translation of: 4170300200007 (A,41700002,N.A.Perfilov+,J,ZET,41,11,1961) 4170300200008 Spectrum of U-238 ternary fission induced by 14-MeV 4170300200009 neutrons. 4170300200010 ERR-ANALYS . Quantization errors (1/2 pixel): 4170300200011 scale X - 0.031 MeV, scale Y - 0.015 arb.units. 4170300200012 STATUS (CURVE) Fig.1 of Sov.Atom.energy,v.14,p.601,1964 4170300200013 ENDBIB 11 0 4170300200014 COMMON 2 3 4170300200015 E-ERR-DIG ERR-DIG 4170300200016 MEV ARB-UNITS 4170300200017 0.029 0.011 4170300200018 ENDCOMMON 3 0 4170300200019 DATA 3 19 4170300200020 E-MIN E-MAX DATA 4170300200021 MEV MEV ARB-UNITS 4170300200022 8. 9. 2.137 4170300200023 9. 10. 3.517 4170300200024 10. 11. 5.111 4170300200025 11. 12. 6.384 4170300200026 12. 13. 9.112 4170300200027 13. 14. 11.304 4170300200028 14. 15. 12.837 4170300200029 15. 16. 12.470 4170300200030 16. 17. 10.218 4170300200031 17. 18. 8.304 4170300200032 18. 19. 6.236 4170300200033 19. 20. 6.236 4170300200034 20. 21. 4.965 4170300200035 21. 22. 3.985 4170300200036 22. 23. 4.293 4170300200037 23. 24. 3.849 4170300200038 24. 25. 3.482 4170300200039 25. 26. 1.046 4170300200040 26. 27. 0.495 4170300200041 ENDDATA 21 0 4170300200042 ENDSUBENT 41 0 4170300299999 SUBENT 41703003 20200810 41904170300300001 BIB 3 7 4170300300002 REACTION (92-U-235(N,F),TER,FY/DA,A+LF,REL) 4170300300003 Angular distribution of alpha-particles, units are 4170300300004 counts, as function of the direction of motion of the 4170300300005 light fragment. 4170300300006 ERR-ANALYS . Quantization errors (1/2 pixel): 4170300300007 scale X - 0.13 deg, scale Y - 0.024 arb.units. 4170300300008 STATUS (CURVE) Fig.2 of Sov.Atom.energy,v.14,p.601,1964 4170300300009 ENDBIB 7 0 4170300300010 COMMON 1 3 4170300300011 ERR-DIG 4170300300012 ARB-UNITS 4170300300013 0.034 4170300300014 ENDCOMMON 3 0 4170300300015 DATA 3 10 4170300300016 ANG-RL-MIN ANG-RL-MAX DATA 4170300300017 ADEG ADEG ARB-UNITS 4170300300018 40. 50. 1.118 4170300300019 50. 60. 1.085 4170300300020 60. 70. 2.151 4170300300021 70. 80. 20.088 4170300300022 80. 90. 18.074 4170300300023 90. 100. 9.947 4170300300024 100. 110. 7.052 4170300300025 110. 120. 1.102 4170300300026 120. 130. 2.070 4170300300027 130. 140. 3.944 4170300300028 ENDDATA 12 0 4170300300029 ENDSUBENT 28 0 4170300399999 SUBENT 41703004 20200810 41904170300400001 BIB 5 12 4170300400002 REACTION (92-U-238(N,F),TER,FY/DA,A+LF,REL) 4170300400003 Angular distribution of alpha-particles, units are 4170300400004 counts, as function of the direction of motion of the 4170300400005 light fragment. 4170300400006 ANALYSIS Distribution was obtained from 202 cases. 4170300400007 COMMENT Of compiler M.M. 4170300400008 In the article Sov.Atom.energy,v.14,p.601,1964 there 4170300400009 is a misprint in title of Fig.2: U-233 -> U-238 - 4170300400010 see text on page 601. 4170300400011 ERR-ANALYS . Quantization errors (1/2 pixel): 4170300400012 scale X - 0.13 deg, scale Y - 0.024 arb.units. 4170300400013 STATUS (CURVE) Fig.2 of Sov.Atom.energy,v.14,p.601,1964 4170300400014 ENDBIB 12 0 4170300400015 COMMON 1 3 4170300400016 ERR-DIG 4170300400017 ARB-UNITS 4170300400018 0.034 4170300400019 ENDCOMMON 3 0 4170300400020 DATA 3 11 4170300400021 ANG-RL-MIN ANG-RL-MAX DATA 4170300400022 ADEG ADEG ARB-UNITS 4170300400023 30. 40. 0.467 4170300400024 40. 50. 1.118 4170300400025 50. 60. 1.525 4170300400026 60. 70. 4.425 4170300400027 70. 80. 21.261 4170300400028 80. 90. 19.515 4170300400029 90. 100. 10.264 4170300400030 100. 110. 2.529 4170300400031 110. 120. 1.786 4170300400032 120. 130. 0.359 4170300400033 130. 140. 0.643 4170300400034 ENDDATA 13 0 4170300400035 ENDSUBENT 34 0 4170300499999 SUBENT 41703005 20200810 41904170300500001 BIB 3 8 4170300500002 REACTION (92-U-235(N,F)2-HE-4,TER,FY) 4170300500003 Probability of ternary fission Wternary/Wbinary 4170300500004 1:480+-110 4170300500005 ERR-ANALYS . Quantization errors (1/2 pixel): 4170300500006 scale Y - 0.0022E-03 prt/fis 4170300500007 (DATA-ERR) Type of uncertainty is not explained in the 4170300500008 article. 4170300500009 STATUS (CURVE) Fig.3 of Sov.Atom.energy,v.14,p.601,1964 4170300500010 ENDBIB 8 0 4170300500011 NOCOMMON 0 0 3 4170300500012 DATA 3 1 4170300500013 DATA DATA-ERR ERR-DIG 4170300500014 PRT/FIS PRT/FIS PRT/FIS 4170300500015 2.0929E-03 0.4756E-03 0.0015E-03 4170300500016 ENDDATA 3 0 4170300500017 ENDSUBENT 16 0 4170300599999 SUBENT 41703006 20200810 41904170300600001 BIB 3 8 4170300600002 REACTION (92-U-238(N,F)2-HE-4,TER,FY) 4170300600003 Probability of ternary fission Wternary/Wbinary 4170300600004 1:540+-100 4170300600005 ERR-ANALYS . Quantization errors (1/2 pixel): 4170300600006 scale Y - 0.0022E-03 prt/fis 4170300600007 (DATA-ERR) Type of uncertainty is not explained in the 4170300600008 article. 4170300600009 STATUS (CURVE) Fig.3 of Sov.Atom.energy,v.14,p.601,1964 4170300600010 ENDBIB 8 0 4170300600011 NOCOMMON 0 0 3 4170300600012 DATA 3 1 4170300600013 DATA DATA-ERR ERR-DIG 4170300600014 PRT/FIS PRT/FIS PRT/FIS 4170300600015 1.8759E-03 0.3289E-03 0.0015E-03 4170300600016 ENDDATA 3 0 4170300600017 ENDSUBENT 16 0 4170300699999 ENDENTRY 6 0 4170399999999