ENTRY 22321 20201217 22972232100000001 SUBENT 22321001 20201217 22972232100100001 BIB 13 49 2232100100002 TITLE Relative and absolute neutron-induced fission cross 2232100100003 sections of 208Pb, 209Bi, and 238U in the 2232100100004 intermediate energy region 2232100100005 AUTHOR (V.P.Eismont, A.V.Prokofyev, A.N.Smirnov, K.Elmgren, 2232100100006 J.Blomgren, H.Conde, J.Nilsson, N.Olsson, T.Ronnqvist,2232100100007 E.Traneus) 2232100100008 REFERENCE (J,PR/C,53,2911,1996) 2232100100009 (T,POKOFIEV,2001) 2232100100010 Dr. thesis presented at to Uppsala Univ. un 2001. 2232100100011 Same data in tables. 2232100100012 (C,96KALMAR,2,606,1996) 2232100100013 Additional data at 45 MeV in table 2232100100014 INSTITUTE (4RUSRI,2SWDUPP) 2232100100015 FACILITY (CYCLO,2SWDUPP) Gustaf Werner Cyclotron 2232100100016 INC-SOURCE (P-LI7) 0 deg (60 uSr) 7Li(p,n) neutrons produced by 2232100100017 enriched 7Li discs (200-400 mg/cm2 thick) 2232100100018 INC-SPECT About half of the neutrons have the quoted energy, 2232100100019 with a spread of less than 2 MeV FWHM, and the rest 2232100100020 of the neutrons form a tail extending from the 2232100100021 maximum energy down to zero, with a virtually flat 2232100100022 spectrum shape. 2232100100023 DETECTOR (SOLST) Thin-film breakdown counters 2232100100024 (MAGSP) LISA spectrometer for detection of (n,p) 2232100100025 scattering 2232100100026 METHOD (TOF) Total time resolution of about 4-5 nsec, flight 2232100100027 path of about 12 m. TOF measurements were not done 2232100100028 at 135 MeV. 2232100100029 REL-REF (I,,A.N.Smirnov+,J,PTE,,(6),5,1983) 2232100100030 Description of the thin-film breakdown counters 2232100100031 CORRECTION Corrected for 2232100100032 - fission fragment angular anisotropy 2232100100033 - linear momentum transfer from neutron to fissioning 2232100100034 nucleus 2232100100035 - subtraction of fissions by low-energy neutrons by 2232100100036 decomposition of TOF spectra (except for 135 MeV 2232100100037 where interpolation was done from the measurements 2232100100038 at other energies. 2232100100039 ERR-ANALYS (ERR-1,1.,3.5) Detector calibration (1-3.5%) 2232100100040 (ERR-2,1.,3.5) Target thickness (1-3.5%) 2232100100041 (ERR-3) Fission fragment anisotropy (2%) 2232100100042 (ERR-4,1.,2.) Linear momentum transfer (1-2%) 2232100100043 HISTORY (19961229C) N.O. 2232100100044 (19970214E) 2232100100045 (19981102A) Corrected by S.Maev 2232100100046 (20121209A) SD: Updated to new date formats,lower case.2232100100047 Corrected according last EXFOR rules and Dict. 2232100100048 ERR-ANALYS was update. Subents 2-6 superseded. 2232100100049 Last version is given in 22646. 2232100100050 (20201217A) On. Recompiled. STATUS=SPSDD deleted. 2232100100051 ENDBIB 49 0 2232100100052 COMMON 1 3 2232100100053 ERR-3 2232100100054 PER-CENT 2232100100055 2. 2232100100056 ENDCOMMON 3 0 2232100100057 ENDSUBENT 56 0 2232100199999 SUBENT 22321002 20201217 22972232100200001 BIB 6 14 2232100200002 REACTION 1((82-PB-208(N,F),,SIG)/(92-U-238(N,F),,SIG)) 2232100200003 2(82-PB-208(N,F),,SIG) 2232100200004 MONITOR 2(92-U-238(N,F),,SIG) 2232100200005 MONIT-REF 2(,P.W.Lisowski+,S,NEANDC-305,65,1991) 2232100200006 ERR-ANALYS (ERR-T) Total uncertainty excluding 238U(n,f) reference2232100200007 cross section uncertainty but including 2232100200008 (ERR-5,6.5,9.) spectrum decomposition, 208Pb (6.5-9%)2232100200009 (ERR-6) spectrum decomposition, 238U (5%)2232100200010 (ERR-7,5.,10.,U) counting statistics, 208Pb (5-10%)2232100200011 (ERR-8,,2.,U) counting statistics, 238U (<2%)2232100200012 STATUS (TABLE) Table I of 96KALMAR,2,606,1996 (45 MeV) and 2232100200013 Table I of Phys.Rev.C53(1996)2911 2232100200014 HISTORY (19981102A) Units corrected to NO-DIM 2232100200015 (20201217A) On. SPSDD deleted. 002+004 rearranged. 2232100200016 ENDBIB 14 0 2232100200017 COMMON 1 3 2232100200018 ERR-6 2232100200019 PER-CENT 2232100200020 5. 2232100200021 ENDCOMMON 3 0 2232100200022 DATA 6 3 2232100200023 EN DATA 1ERR-T 1DATA 2ERR-T 2MONIT 22232100200024 MEV NO-DIM NO-DIM MB MB MB 2232100200025 45. 0.00033 0.00011 0.55 0.19 2232100200026 73. 0.0026 0.0004 3.9 0.5 1532. 2232100200027 96. 0.0053 0.0006 7.5 0.9 1430. 2232100200028 ENDDATA 5 0 2232100200029 ENDSUBENT 28 0 2232100299999 SUBENT 22321003 20201217 22972232100300001 BIB 6 14 2232100300002 REACTION 1((83-BI-209(N,F),,SIG)/(92-U-238(N,F),,SIG)) 2232100300003 2(83-BI-209(N,F),,SIG) 2232100300004 MONITOR 2(92-U-238(N,F),,SIG) 2232100300005 MONIT-REF 2(,P.W.Lisowski+,S,NEANDC-305,65,1991) 2232100300006 ERR-ANALYS (ERR-T) Total uncertainty excluding 238U(n,f) reference2232100300007 cross section uncertainty but including 2232100300008 (ERR-5,5.,6.) spectrum decomposition, 209Bi (5-6%) 2232100300009 (ERR-6) spectrum decomposition, 238U (5%) 2232100300010 (ERR-7,2.,2.5,U) counting statistics, 209Bi (2-2.5%) 2232100300011 (ERR-8,,2.,U) counting statistics, 238U (<2%) 2232100300012 STATUS (TABLE) Table I of 96KALMAR,2,606,1996 (45 MeV) and 2232100300013 Table I of Phys.Rev.C53(1996)2911 2232100300014 HISTORY (19981102A) Units corrected to NO-DIM 2232100300015 (20201217A) On. SPSDD deleted. 003+005 rearranged. 2232100300016 ENDBIB 14 0 2232100300017 COMMON 1 3 2232100300018 ERR-6 2232100300019 PER-CENT 2232100300020 5. 2232100300021 ENDCOMMON 3 0 2232100300022 DATA 6 3 2232100300023 EN DATA 1ERR-T 1DATA 2ERR-T 2MONIT 22232100300024 MEV NO-DIM NO-DIM MB MB MB 2232100300025 45. 0.00118 0.00015 1.97 0.26 2232100300026 73. 0.0097 0.0009 15. 1.5 1532. 2232100300027 96. 0.018 0.002 25. 2. 1430. 2232100300028 ENDDATA 5 0 2232100300029 ENDSUBENT 28 0 2232100399999 SUBENT 22321004 20201217 22972232100400001 BIB 6 9 2232100400002 REACTION (82-PB-208(N,F),,SIG) 2232100400003 MONITOR (1-H-1(N,EL)1-H-1,,DA) 2232100400004 MONIT-REF (,R.A.Arndt+,J,PR/D,35,128,1987) 2232100400005 ERR-ANALYS (ERR-T) Total uncertainty including 2232100400006 (ERR-5,6.5,9.) spectrum decomposition, 208Pb (6.5-9%)2232100400007 (ERR-7,5.,10.,U) counting statistics, 208Pb (5-10%)2232100400008 (ERR-9) neutron flux (8%)2232100400009 STATUS (TABLE) Table I of Phys.Rev.C53(1996)2911 2232100400010 HISTORY (20201217A) On. SPSDD deleted. 002+004 rearranged. 2232100400011 ENDBIB 9 0 2232100400012 NOCOMMON 0 0 2232100400013 DATA 4 1 2232100400014 EN DATA ERR-T ERR-9 2232100400015 MEV MB MB PER-CENT 2232100400016 162. 21. 3. 8. 2232100400017 ENDDATA 3 0 2232100400018 ENDSUBENT 17 0 2232100499999 SUBENT 22321005 20201217 22972232100500001 BIB 6 9 2232100500002 REACTION (83-BI-209(N,F),,SIG) 2232100500003 MONITOR (1-H-1(N,EL)1-H-1,,DA) 2232100500004 MONIT-REF (,R.A.Arndt+,J,PR/D,35,128,1987) 2232100500005 ERR-ANALYS (ERR-T) Total uncertainty including 2232100500006 (ERR-5,5.,6.) spectrum decomposition, 209Bi (5-6%) 2232100500007 (ERR-7,2.,2.5,U) counting statistics, 209Bi (2-2.5%) 2232100500008 (ERR-9) neutron flux (8%) 2232100500009 STATUS (TABLE) Table I of Phys.Rev.C53(1996)2911 2232100500010 HISTORY (20201217A) On. SPSDD deleted. 003+005 rearranged. 2232100500011 ENDBIB 9 0 2232100500012 COMMON 1 3 2232100500013 ERR-9 2232100500014 PER-CENT 2232100500015 8. 2232100500016 ENDCOMMON 3 0 2232100500017 DATA 3 2 2232100500018 EN DATA ERR-T 2232100500019 MEV MB MB 2232100500020 135. 40. 5. 2232100500021 162. 53. 5. 2232100500022 ENDDATA 4 0 2232100500023 ENDSUBENT 22 0 2232100599999 SUBENT 22321006 20201217 22972232100600001 BIB 6 9 2232100600002 REACTION (92-U-238(N,F),,SIG) 2232100600003 MONITOR (1-H-1(N,EL)1-H-1,,DA) 2232100600004 MONIT-REF (,R.A.Arndt+,J,PR/D,35,128,1987) 2232100600005 ERR-ANALYS (ERR-T) Total uncertainty including 2232100600006 (ERR-6 ) spectrum decomposition, 238U (5%) 2232100600007 (ERR-8,,2.,U) counting statistics, 238U (<2%) 2232100600008 (ERR-9) neutron flux (8%) 2232100600009 STATUS (TABLE) Table I of Phys.Rev.C53(1996)2911 2232100600010 HISTORY (20201217A) On. SPSDD deleted. 2232100600011 ENDBIB 9 0 2232100600012 COMMON 2 3 2232100600013 ERR-6 ERR-9 2232100600014 PER-CENT PER-CENT 2232100600015 5. 8. 2232100600016 ENDCOMMON 3 0 2232100600017 DATA 3 2 2232100600018 EN DATA ERR-T 2232100600019 MEV MB MB 2232100600020 135. 1440. 160. 2232100600021 162. 1310. 120. 2232100600022 ENDDATA 4 0 2232100600023 ENDSUBENT 22 0 2232100699999 ENDENTRY 6 0 2232199999999