ENTRY 14590 20200127 14651459000000001 SUBENT 14590001 20200127 14651459000100001 BIB 10 20 1459000100002 TITLE Relative probability of ternary fission with emission 1459000100003 of long-range alpha particles in the thermal-neutron 1459000100004 fission of U235 1459000100005 AUTHOR (I.G.Schroder,A.J.Deruytter,J.A.Moore) 1459000100006 INSTITUTE (1USACOL,1USABNL) The BNL graphite reactor, 1459000100007 REFERENCE (J,PR,137,B519,1965) 1459000100008 #doi:10.1103/PhysRev.137.B519 1459000100009 FACILITY (REAC,1USABNL) Thermal reactor, BR2. 1459000100010 METHOD (ASSOP) 1459000100011 PART-DET (A) Long range alphas. 1459000100012 (HF) Heavy fission fragments for ratio to binary 1459000100013 fission. 1459000100014 ERR-ANALYS (DATA-ERR) Quoted errors result from both the 1459000100015 unresolved low-energy portion of the spectrum and 1459000100016 from the statistical error. 1459000100017 ADD-RES Deviation of the binary-to-ternary fission ratio for 1459000100018 the incident neutron energies of 0.003, 0.0253, 0.08, 1459000100019 and 0.3 eV from the mean value in the neutron energy 1459000100020 region between 0.003 and 0.3 eV. 1459000100021 HISTORY (20200127C) OG 1459000100022 ENDBIB 20 0 1459000100023 COMMON 1 3 1459000100024 EN-DUMMY 1459000100025 EV 1459000100026 2.53E-02 1459000100027 ENDCOMMON 3 0 1459000100028 ENDSUBENT 27 0 1459000199999 SUBENT 14590002 20200127 14651459000200001 BIB 5 15 1459000200002 REACTION (92-U-235(N,F)2-HE-4,BIN/TER,SIG/RAT,,SPA) 1459000200003 INC-SPECT Reactor beam, having cadmium ratio of 30 to 1. 1459000200004 DETECTOR (SIBAR) Surface-barrier gold-silicon detector (with a 1459000200005 300 ohm-cm resistivity) mounted 1 cm from the source 1459000200006 and out of the neutron beam. Heavy fragments and long 1459000200007 range alphas were separated by inserting a 0.696-mil 1459000200008 aluminium foil between the fissile target and the 1459000200009 detector. 1459000200010 SAMPLE (92-U-235,ENR=0.9976) 1459000200011 (92-U-234,ENR=0.0006) 1459000200012 (92-U-236,ENR=0.0006) 1459000200013 (92-U-238,ENR=0.0009) 1459000200014 U235 target containing 0.5 mg/cm2 of highly enriched 1459000200015 U235 deposited on a 0.015-in.-thick aluminum plate. 1459000200016 STATUS (TABLE) Table I in Phys.Rev.,137,B519,1965 1459000200017 ENDBIB 15 0 1459000200018 NOCOMMON 0 0 1459000200019 DATA 2 1 1459000200020 DATA DATA-ERR 1459000200021 NO-DIM NO-DIM 1459000200022 518. 13. 1459000200023 ENDDATA 3 0 1459000200024 ENDSUBENT 23 0 1459000299999 SUBENT 14590003 20200225 14651459000300001 BIB 5 15 1459000300002 REACTION (92-U-235(N,F)2-HE-4,BIN/TER,SIG/RAT,,SPA) 1459000300003 INC-SPECT Reactor beam, having cadmium ratio of 200 to 1. 1459000300004 DETECTOR (SIBAR) Surface-barrier gold-silicon detector (with a 1459000300005 300 ohm-cm resistivity) mounted 1 cm from the source 1459000300006 and out of the neutron beam. Heavy fragments and long 1459000300007 range alphas were separated by inserting a 0.696-mil 1459000300008 aluminium foil between the fissile target and the 1459000300009 detector. 1459000300010 SAMPLE (92-U-235,ENR=0.9976) 1459000300011 (92-U-234,ENR=0.0006) 1459000300012 (92-U-236,ENR=0.0006) 1459000300013 (92-U-238,ENR=0.0009) 1459000300014 U235 target containing 0.5 mg/cm2 of highly enriched 1459000300015 U235 deposited on a 0.015-in.-thick aluminum plate. 1459000300016 STATUS (TABLE) Table I in Phys.Rev.,137,B519,1965 1459000300017 ENDBIB 15 0 1459000300018 NOCOMMON 0 0 1459000300019 DATA 2 1 1459000300020 DATA DATA-ERR 1459000300021 NO-DIM NO-DIM 1459000300022 512. 14. 1459000300023 ENDDATA 3 0 1459000300024 ENDSUBENT 23 0 1459000399999 SUBENT 14590004 20200225 14651459000400001 BIB 5 11 1459000400002 REACTION (92-U-235(N,F)2-HE-4,BIN/TER,SIG/RAT,,SPA) 1459000400003 INC-SPECT Reactor beam, having cadmium ratio of 30 to 1. 1459000400004 DETECTOR (SIBAR) Two surface-barrier gold-silicon detectors in 1459000400005 a vacuum chamber. The ternary alpha detector had a 1459000400006 resistivity of 3000 ohm-cm and was capable of detecting1459000400007 alpha particles of energy greater than 30 MeV; the 1459000400008 fission detector had a 300 ohm-cm resistivity. 1459000400009 SAMPLE A thin VYNS foil of effective thickness 8 mu-g/cm2 1459000400010 coated by evaporation with 80 mu-g/cm2 U235 mounted 1459000400011 between two detectors 1459000400012 STATUS (TABLE) Text on p.523 in Phys.Rev.,137,B519,1965 1459000400013 ENDBIB 11 0 1459000400014 NOCOMMON 0 0 1459000400015 DATA 2 1 1459000400016 DATA DATA-ERR 1459000400017 NO-DIM NO-DIM 1459000400018 490. 20. 1459000400019 ENDDATA 3 0 1459000400020 ENDSUBENT 19 0 1459000499999 ENDENTRY 4 0 1459099999999