ENTRY C2467 20200213 C190C246700000001 SUBENT C2467001 20200213 C190C246700100001 BIB 11 30 C246700100002 TITLE Helium ion-induced fission of 207Pb from 41.1 MeV to C246700100003 26.3 MeV C246700100004 AUTHOR (E.F.Neuzil) C246700100005 REFERENCE (J,JIN,28,1519,1966) C246700100006 #doi:10.1016/0022-1902(66)80047-7 C246700100007 REL-REF (M,C2473001,E.F.Neuzil,J,JIN,27,3,1965) C246700100008 (M,C2431001,E.F.Neuzil+,J,JIN,27,1463,1965) C246700100009 Techniques of bombardment and data corrections. C246700100010 (M,,W.J.Maeck+,J,AC,33,237,1961) Separation chemical C246700100011 procedure. C246700100012 INSTITUTE (1USAWWS) C246700100013 FACILITY (CYCLO,1USAWAU) The 60 in. cyclotron at the C246700100014 University of Washington. C246700100015 SAMPLE (82-PB-207,ENR=0.924) C246700100016 (82-PB-204,ENR=0.0002) C246700100017 (82-PB-206,ENR=0.0216) C246700100018 (82-PB-208,ENR=0.0548) Targets of the enriched lead C246700100019 isotope 207 were bombarded in the form of thin foils C246700100020 (7-9 mg/cm2) enclosed in hyper-pure aluminium foils C246700100021 which served as fission fragment catchers and allowed C246700100022 re-use of the expensive 207Pb foils. C246700100023 METHOD (CHSEP) C246700100024 ERR-ANALYS (DATA-ERR) Replicate determinations on the fission C246700100025 fragment species 93Y indicated that the data was C246700100026 reliable with a probable error of about +-20 percent. C246700100027 CORRECTION Data were corrected for fission fragments retained by C246700100028 the lead foil itself since only the catcher foils C246700100029 were analyzed for resulting fission fragments C246700100030 escaping the target foil. C246700100031 HISTORY (20200213C) BP C246700100032 ENDBIB 30 0 C246700100033 COMMON 1 3 C246700100034 DATA-ERR C246700100035 PER-CENT C246700100036 20.0 C246700100037 ENDCOMMON 3 0 C246700100038 ENDSUBENT 37 0 C246700199999 SUBENT C2467002 20200213 C190C246700200001 BIB 4 15 C246700200002 REACTION (82-PB-207(A,F),,SIG,,,DERIV) C246700200003 ANALYSIS The total fission cross sections were estimated by C246700200004 the usual method of summing the individual fission C246700200005 fragment cross sections. C246700200006 COMMENT Compiler's comment: Alpha particle energy was C246700200007 recalculated by authors by adding 7.6 MeV to the C246700200008 excitation energy of the compound nucleus. C246700200009 Present day 211Po(a) decay Q-value is 7594.6 keV. C246700200010 STATUS (DEP,C2467003) C246700200011 (DEP,C2467004) C246700200012 (DEP,C2467005) C246700200013 (DEP,C2467006) C246700200014 (DEP,C2467007) C246700200015 (DEP,C2467008) C246700200016 (TABLE) Table 3, page 1524. C246700200017 ENDBIB 15 0 C246700200018 NOCOMMON 0 0 C246700200019 DATA 2 6 C246700200020 E-EXC-CMP DATA C246700200021 MEV MICRO-B C246700200022 33.5 3.08E+3 C246700200023 29.9 4.83E+2 C246700200024 25.6 2.72E+1 C246700200025 23.9 1.61 C246700200026 21.3 6.65E-1 C246700200027 18.7 2.87E-1 C246700200028 ENDDATA 8 0 C246700200029 ENDSUBENT 28 0 C246700299999 SUBENT C2467003 20200213 C190C246700300001 BIB 2 2 C246700300002 REACTION (82-PB-207(A,F)ELEM/MASS,,SIG) C246700300003 STATUS (TABLE) Table 2, page 1522. C246700300004 ENDBIB 2 0 C246700300005 COMMON 1 3 C246700300006 E-EXC-CMP C246700300007 MEV C246700300008 41.1 C246700300009 ENDCOMMON 3 0 C246700300010 DATA 4 14 C246700300011 ELEMENT MASS DATA DATA-MAX C246700300012 NO-DIM NO-DIM MICRO-B MICRO-B C246700300013 30.0 71.0 97.6 C246700300014 30.0 72.0 36.3 C246700300015 32.0 77.0 9.40 C246700300016 32.0 78.0 8.95 C246700300017 38.0 91.0 48.6 C246700300018 38.0 92.0 37.3 C246700300019 39.0 93.0 109.0 C246700300020 40.0 97.0 72.0 C246700300021 42.0 99.0 162.0 C246700300022 44.0 105.0 35.0 C246700300023 46.0 109.0 61.0 C246700300024 46.0 112.0 20.4 C246700300025 47.0 111.0 58.6 C246700300026 47.0 113.0 8.35 C246700300027 ENDDATA 16 0 C246700300028 ENDSUBENT 27 0 C246700399999 SUBENT C2467004 20200213 C190C246700400001 BIB 2 2 C246700400002 REACTION (82-PB-207(A,F)ELEM/MASS,,SIG) C246700400003 STATUS (TABLE) Table 2, page 1522. C246700400004 ENDBIB 2 0 C246700400005 COMMON 1 3 C246700400006 E-EXC-CMP C246700400007 MEV C246700400008 37.5 C246700400009 ENDCOMMON 3 0 C246700400010 DATA 4 14 C246700400011 ELEMENT MASS DATA DATA-MAX C246700400012 NO-DIM NO-DIM MICRO-B MICRO-B C246700400013 30.0 71.0 5.6 C246700400014 30.0 72.0 68.9 C246700400015 32.0 77.0 0.61 C246700400016 32.0 78.0 0.31 C246700400017 38.0 91.0 10.2 C246700400018 38.0 92.0 4.92 C246700400019 39.0 93.0 17.3 C246700400020 40.0 97.0 31.9 C246700400021 42.0 99.0 20.5 C246700400022 44.0 105.0 9.43 C246700400023 46.0 109.0 28.2 C246700400024 46.0 112.0 10.8 C246700400025 47.0 111.0 19.6 C246700400026 47.0 113.0 11.2 C246700400027 ENDDATA 16 0 C246700400028 ENDSUBENT 27 0 C246700499999 SUBENT C2467005 20200213 C190C246700500001 BIB 2 2 C246700500002 REACTION (82-PB-207(A,F)ELEM/MASS,,SIG) C246700500003 STATUS (TABLE) Table 2, page 1522. C246700500004 ENDBIB 2 0 C246700500005 COMMON 1 3 C246700500006 E-EXC-CMP C246700500007 MEV C246700500008 33.2 C246700500009 ENDCOMMON 3 0 C246700500010 DATA 4 10 C246700500011 ELEMENT MASS DATA DATA-MAX C246700500012 NO-DIM NO-DIM MICRO-B MICRO-B C246700500013 38.0 91.0 0.284 C246700500014 38.0 92.0 0.102 C246700500015 39.0 93.0 1.34 C246700500016 40.0 97.0 0.558 C246700500017 42.0 99.0 3.16 C246700500018 44.0 105.0 0.864 C246700500019 46.0 109.0 0.768 C246700500020 46.0 112.0 0.266 C246700500021 47.0 111.0 0.262 C246700500022 47.0 113.0 0.184 C246700500023 ENDDATA 12 0 C246700500024 ENDSUBENT 23 0 C246700599999 SUBENT C2467006 20200213 C190C246700600001 BIB 2 2 C246700600002 REACTION (82-PB-207(A,F)ELEM/MASS,,SIG) C246700600003 STATUS (TABLE) Table 2, page 1522. C246700600004 ENDBIB 2 0 C246700600005 COMMON 1 3 C246700600006 E-EXC-CMP C246700600007 MEV C246700600008 31.5 C246700600009 ENDCOMMON 3 0 C246700600010 DATA 3 1 C246700600011 ELEMENT MASS DATA C246700600012 NO-DIM NO-DIM MICRO-B C246700600013 39.0 93.0 0.0533 C246700600014 ENDDATA 3 0 C246700600015 ENDSUBENT 14 0 C246700699999 SUBENT C2467007 20200213 C190C246700700001 BIB 2 2 C246700700002 REACTION (82-PB-207(A,F)ELEM/MASS,,SIG) C246700700003 STATUS (TABLE) Table 2, page 1522. C246700700004 ENDBIB 2 0 C246700700005 COMMON 1 3 C246700700006 E-EXC-CMP C246700700007 MEV C246700700008 28.9 C246700700009 ENDCOMMON 3 0 C246700700010 DATA 5 10 C246700700011 ELEMENT MASS DATA DATA-MAX DATA-MIN C246700700012 NO-DIM NO-DIM MICRO-B MICRO-B MICRO-B C246700700013 38.0 91.0 0.003 C246700700014 38.0 92.0 0.002 C246700700015 39.0 93.0 0.023 C246700700016 40.0 97.0 0.098 C246700700017 42.0 99.0 0.117 C246700700018 44.0 105.0 0.056 C246700700019 46.0 109.0 0.058 C246700700020 46.0 112.0 0.019 C246700700021 47.0 111.0 0.01 C246700700022 47.0 113.0 0.050 C246700700023 ENDDATA 12 0 C246700700024 ENDSUBENT 23 0 C246700799999 SUBENT C2467008 20200213 C190C246700800001 BIB 2 2 C246700800002 REACTION (82-PB-207(A,F)39-Y-83,,SIG) C246700800003 STATUS (TABLE) Table 2, page 1522. C246700800004 ENDBIB 2 0 C246700800005 NOCOMMON 0 0 C246700800006 DATA 2 1 C246700800007 E-EXC-CMP DATA-MAX C246700800008 MEV MICRO-B C246700800009 26.3 0.01 C246700800010 ENDDATA 3 0 C246700800011 ENDSUBENT 10 0 C246700899999 ENDENTRY 8 0 C246799999999