ENTRY C2476 20200220 C191C247600000001 SUBENT C2476001 20200220 C191C247600100001 BIB 9 22 C247600100002 TITLE The 41 and 35 MeV helium ion-induced fission of 185Re C247600100003 and 187Re C247600100004 AUTHOR (E.F.Neuzil,J.E.Assink,K.Apt) C247600100005 REFERENCE (J,JIN,30,1161,1968) C247600100006 #doi:10.1016/0022-1902(68)80540-8 C247600100007 REL-REF The radiochemical techniques used for the C247600100008 purification of fission products: C247600100009 (M,C2467001,E.F.Neuzil,J,JIN,28,1519,1966) C247600100010 (M,C2473001,E.F.Neuzil,J,JIN,27,3,1965) C247600100011 (M,C2431001,E.F.Neuzil+,J,JIN,27,1463,1965) C247600100012 INSTITUTE (1USAWWS) C247600100013 FACILITY (CYCLO,1USAWAU) The 60 in. cyclotron at the C247600100014 University of Washington. C247600100015 METHOD (CHSEP) Targets were bombarded with helium ions and C247600100016 the fission fragment cross section yields, for the C247600100017 formation of the various fission fragments were C247600100018 determined radiochemically. After bombardment, the C247600100019 aluminum catcher foils and Re powder were dissolved C247600100020 in a solution of HCl-HNO3 and carders of the isotopes C247600100021 to be separated. C247600100022 ERR-ANALYS (DATA-ERR) No details on sources of uncertainties. C247600100023 HISTORY (20200220C) BP C247600100024 ENDBIB 22 0 C247600100025 COMMON 1 3 C247600100026 DATA-ERR C247600100027 PER-CENT C247600100028 20.0 C247600100029 ENDCOMMON 3 0 C247600100030 ENDSUBENT 29 0 C247600199999 SUBENT C2476002 20200220 C191C247600200001 BIB 3 12 C247600200002 REACTION (75-RE-185(A,F)ELEM/MASS,,SIG) C247600200003 SAMPLE (75-RE-185,ENR=0.966) C247600200004 (75-RE-187,ENR=0.034) Targets of enriched isotopes C247600200005 were prepared for bombardment in the form of a C247600200006 sandwich consisting of a thin layer of powder (of the C247600200007 order of 25 mg) between two zone refined hyper-pure C247600200008 aluminum foils. The aluminum foil also served as a C247600200009 catcher for all recoiling fission fragments escaping C247600200010 from the rhenium and was itself protected from C247600200011 external contamination by a second hyperpure aluminum C247600200012 foil. C247600200013 STATUS (TABLE) Table 2, page 1164. C247600200014 ENDBIB 12 0 C247600200015 COMMON 1 3 C247600200016 EN C247600200017 MEV C247600200018 35.0 C247600200019 ENDCOMMON 3 0 C247600200020 DATA 4 8 C247600200021 ELEMENT MASS DATA DATA-MAX C247600200022 NO-DIM NO-DIM MICRO-B MICRO-B C247600200023 38.0 92.0 0.105 C247600200024 39.0 93.0 0.540 C247600200025 40.0 97.0 0.260 C247600200026 42.0 99.0 0.088 C247600200027 44.0 105.0 0.092 C247600200028 46.0 109.0 0.027 C247600200029 46.0 112.0 0.034 C247600200030 47.0 113.0 0.020 C247600200031 ENDDATA 10 0 C247600200032 ENDSUBENT 31 0 C247600299999 SUBENT C2476003 20200220 C191C247600300001 BIB 3 12 C247600300002 REACTION (75-RE-185(A,F)ELEM/MASS,,SIG) C247600300003 SAMPLE (75-RE-185,ENR=0.966) C247600300004 (75-RE-187,ENR=0.034) Targets of enriched isotopes C247600300005 were prepared for bombardment in the form of a C247600300006 sandwich consisting of a thin layer of powder (of the C247600300007 order of 25 mg) between two zone refined hyper-pure C247600300008 aluminum foils. The aluminum foil also served as a C247600300009 catcher for all recoiling fission fragments escaping C247600300010 from the rhenium and was itself protected from C247600300011 external contamination by a second hyperpure aluminum C247600300012 foil. C247600300013 STATUS (TABLE) Table 2, page 1164. C247600300014 ENDBIB 12 0 C247600300015 COMMON 1 3 C247600300016 EN C247600300017 MEV C247600300018 41.0 C247600300019 ENDCOMMON 3 0 C247600300020 DATA 4 11 C247600300021 ELEMENT MASS DATA DATA-MAX C247600300022 NO-DIM NO-DIM MICRO-B MICRO-B C247600300023 35.0 83.0 0.014 C247600300024 38.0 91.0 0.470 C247600300025 38.0 92.0 0.770 C247600300026 39.0 93.0 1.480 C247600300027 40.0 97.0 1.200 C247600300028 42.0 99.0 1.080 C247600300029 44.0 105.0 0.150 C247600300030 46.0 109.0 0.033 C247600300031 46.0 112.0 0.014 C247600300032 47.0 113.0 0.054 C247600300033 56.0 139.0 0.014 C247600300034 ENDDATA 13 0 C247600300035 ENDSUBENT 34 0 C247600399999 SUBENT C2476004 20200220 C191C247600400001 BIB 3 12 C247600400002 REACTION (75-RE-187(A,F)ELEM/MASS,,SIG) C247600400003 SAMPLE (75-RE-185,ENR=0.008) C247600400004 (75-RE-187,ENR=0.992) Targets of enriched isotopes C247600400005 were prepared for bombardment in the form of a C247600400006 sandwich consisting of a thin layer of powder (of the C247600400007 order of 25 mg) between two zone refined hyper-pure C247600400008 aluminum foils. The aluminum foil also served as a C247600400009 catcher for all recoiling fission fragments escaping C247600400010 from the rhenium and was itself protected from C247600400011 external contamination by a second hyperpure aluminum C247600400012 foil. C247600400013 STATUS (TABLE) Table 3, page 1164. C247600400014 ENDBIB 12 0 C247600400015 COMMON 1 3 C247600400016 EN C247600400017 MEV C247600400018 35.0 C247600400019 ENDCOMMON 3 0 C247600400020 DATA 3 8 C247600400021 ELEMENT MASS DATA C247600400022 NO-DIM NO-DIM MICRO-B C247600400023 38.0 92.0 0.310 C247600400024 39.0 93.0 0.310 C247600400025 40.0 97.0 0.620 C247600400026 42.0 99.0 0.190 C247600400027 44.0 105.0 0.130 C247600400028 46.0 109.0 0.051 C247600400029 46.0 112.0 0.023 C247600400030 47.0 113.0 0.027 C247600400031 ENDDATA 10 0 C247600400032 ENDSUBENT 31 0 C247600499999 SUBENT C2476005 20200220 C191C247600500001 BIB 3 12 C247600500002 REACTION (75-RE-187(A,F)ELEM/MASS,,SIG) C247600500003 SAMPLE (75-RE-185,ENR=0.008) C247600500004 (75-RE-187,ENR=0.992) Targets of enriched isotopes C247600500005 were prepared for bombardment in the form of a C247600500006 sandwich consisting of a thin layer of powder (of the C247600500007 order of 25 mg) between two zone refined hyper-pure C247600500008 aluminum foils. The aluminum foil also served as a C247600500009 catcher for all recoiling fission fragments escaping C247600500010 from the rhenium and was itself protected from C247600500011 external contamination by a second hyperpure aluminum C247600500012 foil. C247600500013 STATUS (TABLE) Table 3, page 1164. C247600500014 ENDBIB 12 0 C247600500015 COMMON 1 3 C247600500016 EN C247600500017 MEV C247600500018 41.0 C247600500019 ENDCOMMON 3 0 C247600500020 DATA 4 11 C247600500021 ELEMENT MASS DATA DATA-MAX C247600500022 NO-DIM NO-DIM MICRO-B MICRO-B C247600500023 35.0 83.0 0.036 C247600500024 38.0 91.0 0.310 C247600500025 38.0 92.0 0.630 C247600500026 39.0 93.0 0.940 C247600500027 40.0 97.0 0.420 C247600500028 42.0 99.0 1.000 C247600500029 44.0 105.0 0.140 C247600500030 46.0 109.0 0.160 C247600500031 46.0 112.0 0.094 C247600500032 47.0 113.0 0.049 C247600500033 56.0 139.0 0.015 C247600500034 ENDDATA 13 0 C247600500035 ENDSUBENT 34 0 C247600599999 SUBENT C2476006 20200220 C191C247600600001 BIB 3 5 C247600600002 REACTION (75-RE-185(A,F),,SIG,,,DERIV) C247600600003 ANALYSIS Derived from fragment production cross sections C247600600004 STATUS (DEP,C2476002) C247600600005 (DEP,C2476003) C247600600006 (TABLE) Table 4, page 1164. C247600600007 ENDBIB 5 0 C247600600008 NOCOMMON 0 0 C247600600009 DATA 2 2 C247600600010 EN DATA C247600600011 MEV MICRO-B C247600600012 35.0 5.1 C247600600013 41.0 12.7 C247600600014 ENDDATA 4 0 C247600600015 ENDSUBENT 14 0 C247600699999 SUBENT C2476007 20200220 C191C247600700001 BIB 3 5 C247600700002 REACTION (75-RE-187(A,F),,SIG,,,DERIV) C247600700003 ANALYSIS Derived from fragment production cross sections C247600700004 STATUS (DEP,C2476004) C247600700005 (DEP,C2476005) C247600700006 (TABLE) Table 4, page 1164. C247600700007 ENDBIB 5 0 C247600700008 NOCOMMON 0 0 C247600700009 DATA 2 2 C247600700010 EN DATA C247600700011 MEV MICRO-B C247600700012 35.0 5.8 C247600700013 41.0 9.6 C247600700014 ENDDATA 4 0 C247600700015 ENDSUBENT 14 0 C247600799999 ENDENTRY 7 0 C247699999999