ENTRY O0765 20040204 0000O076500000001 SUBENT O0765001 20040204 0000O076500100001 BIB 18 52 O076500100002 TITLE Angular momentum effects on mass division in actinide O076500100003 fission. O076500100004 AUTHOR (Y.L.Zhao, M.Tanikawa, K.Sueki, I.Nishinaka, K.Tsukada,O076500100005 Y.Oura, Y.Nagame, H.Nakahara) O076500100006 INSTITUTE (2JPNTMU) Tokyo Metropolitan University. O076500100007 (2JPNTOK) Department of Chemistry, University of Tokyo.O076500100008 (2JPNJAE) JAERI O076500100009 REFERENCE (J,RCA,86,79,1999) O076500100010 HISTORY (20000630C) O076500100011 (20040204A) REACTION And INSTITUTE CORRECTED OO076500100012 (20040204U) Last checking has been done. O076500100013 SAMPLE Thorium and uranium targets of about 1 mg/cm**2 O076500100014 thickness were electrodeposited from Th(NO3)4*5H(2)O O076500100015 and UO(2)(NO3)2*6H(2)O aqueous solutions onto O076500100016 beryllium and aluminum foils, respectively. O076500100017 Each stack consisted of 2 and 5 target foils. 10 mg/ O076500100018 cm**2 thick copper foils were inserted down stream of O076500100019 the target stack. O076500100020 MONITOR (29-CU-65(P,N)30-ZN-65,,SIG) O076500100021 MONIT-REF (B0057001,R.COLLE+,J,PR/C,9,1819,1974) O076500100022 REL-REF (R,,U.REUS+,J,ND/A,29,1,1983) The nuclear data used forO076500100023 analyses were taken from this work. O076500100024 ADD-RES (COMP).Statistical model calculations. O076500100025 Angular momentum (L) effects on mass yield curves were O076500100026 studied for the fission from the same compound nucleus O076500100027 Np-239 of the same excitation energy but with differentO076500100028 angular momenta, produced by the Li-7+Th-232 and U-238+O076500100029 reactions. O076500100030 DETECTOR (HPGE) O076500100031 FACILITY (VDGT,2JPNJAE) For 47 and 40-MeV Li-7(3+) beams. O076500100032 (CYCLO,2JPNTOK) The 35-MeV proton beam was delivered byO076500100033 the sf-cyclotron of ins. O076500100034 (CYCLO,2JPNTOH) The 40-MeV proton beam was delivered byO076500100035 the cyclotron of cyric. O076500100036 METHOD (STTA) O076500100037 (EXTB) Beam currents were about 160 electrical O076500100038 nanoampere for Li-7 and 650 nanoamperes for the O076500100039 protons. O076500100040 (BCINT) O076500100041 (ACTIV) O076500100042 (GSPEC) O076500100043 ANALYSIS (DECAY) Reaction products were identified through theirO076500100044 characteristic gamma-rays and half-lives. O076500100045 ERR-ANALYS (ERR-T) The uncertainty in the determination of cross O076500100046 sections was estimated to be 5-10% based on that O076500100047 associated with counting statistics, photon abundance O076500100048 (1-10%) and gamma-ray detection efficiency (about 5%)O076500100049 STATUS (TABLE) O076500100050 MISC-COL (MISC).The excitation energy of the compound nucleus O076500100051 as calculated by authors. O076500100052 COMMENT - By authors - all 'EN' in data sections are beam O076500100053 energy at the center of each target. O076500100054 ENDBIB 52 0 O076500100055 NOCOMMON 0 0 O076500100056 ENDSUBENT 55 0 O076500199999 SUBENT O0765002 20040204 0000O076500200001 BIB 1 1 O076500200002 REACTION (90-TH-232(3-LI-7,N)93-NP-238,,SIG) O076500200003 ENDBIB 1 0 O076500200004 NOCOMMON 0 0 O076500200005 DATA 4 6 O076500200006 EN DATA ERR-T MISC O076500200007 MEV MB MB MEV O076500200008 29.6 0.38 0.1 30. O076500200009 33.3 0.64 0.1 33.5 O076500200010 36.7 0.76 0.1 36.7 O076500200011 40. 0.9 0.1 40. O076500200012 43.2 0.9 0.1 43.2 O076500200013 46.2 0.8 0.1 46.1 O076500200014 ENDDATA 8 0 O076500200015 ENDSUBENT 14 0 O076500299999 SUBENT O0765003 20040204 0000O076500300001 BIB 1 1 O076500300002 REACTION (90-TH-232(3-LI-7,5N)93-NP-234,,SIG) O076500300003 ENDBIB 1 0 O076500300004 NOCOMMON 0 0 O076500300005 DATA 4 5 O076500300006 EN DATA ERR-T MISC O076500300007 MEV MB MB MEV O076500300008 33.3 0.13 0.1 33.5 O076500300009 36.7 0.74 0.1 36.7 O076500300010 40. 3.1 0.2 40. O076500300011 43.2 4.4 0.1 43.2 O076500300012 46.2 3.3 0.1 46.1 O076500300013 ENDDATA 7 0 O076500300014 ENDSUBENT 13 0 O076500399999 SUBENT O0765004 20040204 0000O076500400001 BIB 2 4 O076500400002 REACTION (90-TH-232(3-LI-7,X)92-U-237,,SIG) O076500400003 COMMENT - By compiler - the authors assumed production U-237 O076500400004 due to radioactive decay of Pa-237 as negligible, O076500400005 probably. O076500400006 ENDBIB 4 0 O076500400007 NOCOMMON 0 0 O076500400008 DATA 4 6 O076500400009 EN DATA ERR-T MISC O076500400010 MEV MB MB MEV O076500400011 29.6 0.29 0.1 30. O076500400012 33.3 0.39 0.1 33.5 O076500400013 36.7 0.47 0.1 36.7 O076500400014 40. 0.67 0.1 40. O076500400015 43.2 0.48 0.1 43.2 O076500400016 46.2 0.46 0.1 46.1 O076500400017 ENDDATA 8 0 O076500400018 ENDSUBENT 17 0 O076500499999 SUBENT O0765005 20040204 0000O076500500001 BIB 2 3 O076500500002 REACTION (90-TH-232(3-LI-7,N+A)91-PA-234-G,,SIG) O076500500003 COMMENT - By compiler - isomer transition is 0.16% only. O076500500004 Probably, the authors measured ground state yield. O076500500005 ENDBIB 3 0 O076500500006 NOCOMMON 0 0 O076500500007 DATA 4 6 O076500500008 EN DATA ERR-T MISC O076500500009 MEV MB MB MEV O076500500010 29.6 2.5 0.2 30. O076500500011 33.3 2.8 0.4 33.5 O076500500012 36.7 4.5 0.3 36.7 O076500500013 40. 3.6 0.1 40. O076500500014 43.2 3.4 0.2 43.2 O076500500015 46.2 2.5 0.1 46.1 O076500500016 ENDDATA 8 0 O076500500017 ENDSUBENT 16 0 O076500599999 SUBENT O0765006 20040204 0000O076500600001 BIB 2 3 O076500600002 REACTION (90-TH-232(3-LI-7,2N+A)91-PA-233,,SIG) O076500600003 COMMENT - By compiler - Pa-233 production due to radioactive O076500600004 decay of Th-233 was assumed as negligible, probably. O076500600005 ENDBIB 3 0 O076500600006 NOCOMMON 0 0 O076500600007 DATA 4 6 O076500600008 EN DATA ERR-T MISC O076500600009 MEV MB MB MEV O076500600010 29.6 40.9 0.2 30. O076500600011 33.3 91.5 0.3 33.5 O076500600012 36.7 92.3 0.4 36.7 O076500600013 40. 93.5 0.5 40. O076500600014 43.2 93.6 0.4 43.2 O076500600015 46.2 94.2 0.3 46.1 O076500600016 ENDDATA 8 0 O076500600017 ENDSUBENT 16 0 O076500699999 SUBENT O0765007 20040204 0000O076500700001 BIB 1 1 O076500700002 REACTION (90-TH-232(3-LI-7,3N+A)91-PA-232,,SIG) O076500700003 ENDBIB 1 0 O076500700004 NOCOMMON 0 0 O076500700005 DATA 4 6 O076500700006 EN DATA ERR-T MISC O076500700007 MEV MB MB MEV O076500700008 29.6 0.74 0.1 30. O076500700009 33.3 9.7 0.2 33.5 O076500700010 36.7 23.5 0.2 36.7 O076500700011 40. 37.9 0.3 40. O076500700012 43.2 60.9 0.4 43.2 O076500700013 46.2 61.7 0.4 46.1 O076500700014 ENDDATA 8 0 O076500700015 ENDSUBENT 14 0 O076500799999 SUBENT O0765008 20040204 0000O076500800001 BIB 1 1 O076500800002 REACTION (92-U-238(P,N)93-NP-238,,SIG) O076500800003 ENDBIB 1 0 O076500800004 NOCOMMON 0 0 O076500800005 DATA 4 13 O076500800006 EN DATA ERR-T MISC O076500800007 MEV MB MB MEV O076500800008 23.4 11.4 0.7 28.6 O076500800009 24.8 11.3 0.4 30. O076500800010 26.3 10. 0.3 31.5 O076500800011 27.2 9. 0.4 32.4 O076500800012 28.3 8.9 0.5 33.5 O076500800013 29.5 8.9 0.5 34.7 O076500800014 30.8 8.4 0.3 36. O076500800015 31.8 8.4 0.4 37. O076500800016 32.8 8.3 0.3 38. O076500800017 33.9 8.1 0.2 39. O076500800018 34.9 7.2 0.5 40. O076500800019 38. 9.8 0.7 43.1 O076500800020 39.9 6.3 0.8 45. O076500800021 ENDDATA 15 0 O076500800022 ENDSUBENT 21 0 O076500899999 SUBENT O0765009 20040204 0000O076500900001 BIB 1 1 O076500900002 REACTION (92-U-238(P,5N)93-NP-234,,SIG) O076500900003 ENDBIB 1 0 O076500900004 NOCOMMON 0 0 O076500900005 DATA 4 6 O076500900006 EN DATA ERR-T MISC O076500900007 MEV MB MB MEV O076500900008 31.8 2.6 0.5 37. O076500900009 32.8 4.9 0.3 38. O076500900010 33.9 7.3 0.5 39. O076500900011 34.9 9.6 0.5 40. O076500900012 38. 15.4 0.9 43.1 O076500900013 39.9 11.6 0.9 45. O076500900014 ENDDATA 8 0 O076500900015 ENDSUBENT 14 0 O076500999999 SUBENT O0765010 20040204 0000O076501000001 BIB 2 3 O076501000002 REACTION (92-U-238(P,X)92-U-237,,SIG) O076501000003 COMMENT - By compiler - U-237 production due to radioactive O076501000004 decay of Pa-237(t1/2=8.7 min) is negligible. O076501000005 ENDBIB 3 0 O076501000006 NOCOMMON 0 0 O076501000007 DATA 4 13 O076501000008 EN DATA ERR-T MISC O076501000009 MEV MB MB MEV O076501000010 23.4 102. 1. 28.6 O076501000011 24.8 108.9 0.7 30. O076501000012 26.3 116.9 0.8 31.5 O076501000013 27.2 117.4 0.9 32.4 O076501000014 28.3 125. 0.9 33.5 O076501000015 29.5 129. 2. 34.7 O076501000016 30.8 125. 1. 36. O076501000017 31.8 118. 1. 37. O076501000018 32.8 117.2 0.7 38. O076501000019 33.9 116. 2. 39. O076501000020 34.9 110.7 0.6 40. O076501000021 38. 113. 7. 43.1 O076501000022 39.9 121. 8. 45. O076501000023 ENDDATA 15 0 O076501000024 ENDSUBENT 23 0 O076501099999 SUBENT O0765011 20040204 0000O076501100001 BIB 2 3 O076501100002 REACTION (92-U-238(P,2N+A)91-PA-233,,SIG) O076501100003 COMMENT - By compiler - Pa-233 production due to radioactive O076501100004 decay of Th-233 (t1/2=22.3 min) is negligible. O076501100005 ENDBIB 3 0 O076501100006 NOCOMMON 0 0 O076501100007 DATA 4 6 O076501100008 EN DATA ERR-T MISC O076501100009 MEV MB MB MEV O076501100010 31.8 2. 0.1 37. O076501100011 32.8 2.5 0.1 38. O076501100012 33.9 2.7 0.2 39. O076501100013 34.9 3. 0.2 40. O076501100014 38. 3. 0.3 43.1 O076501100015 39.9 2.8 0.4 45. O076501100016 ENDDATA 8 0 O076501100017 ENDSUBENT 16 0 O076501199999 SUBENT O0765012 20040204 0000O076501200001 BIB 1 1 O076501200002 REACTION (92-U-238(P,3N+A)91-PA-232,,SIG) O076501200003 ENDBIB 1 0 O076501200004 NOCOMMON 0 0 O076501200005 DATA 4 5 O076501200006 EN DATA ERR-T MISC O076501200007 MEV MB MB MEV O076501200008 32.8 0.11 0.1 38. O076501200009 33.9 0.25 0.1 39. O076501200010 34.9 0.4 0.1 40. O076501200011 38. 1.7 0.1 43.1 O076501200012 39.9 2. 0.2 45. O076501200013 ENDDATA 7 0 O076501200014 ENDSUBENT 13 0 O076501299999 ENDENTRY 12 0 O076599999999