ENTRY 30660 20211005 32023066000000001 SUBENT 30660001 20211005 32023066000100001 BIB 16 74 3066000100002 TITLE Neutron activation cross sections for Ti isotopes 3066000100003 at 14.8 MeV 3066000100004 AUTHOR (I.Ribansky,S.Gmuca) 3066000100005 INSTITUTE (3SLKSLO) 3066000100006 REFERENCE (J,JP/G,9,1537,1983) 3066000100007 (R,INDC(CSR)-4,1983) Same values given 3066000100008 (R,INDC(CSR)-8,1986) Same values given 3066000100009 SAMPLE Samples of different isotopic compositions were used 3066000100010 (see 'METHOD'). The samples of natural isotopic abun- 3066000100011 dance were prepared from a thin metal foil, the others 3066000100012 by pressing TiO2 powder into plexiglass containers of 3066000100013 diameter 16 mm. Sample thickness varied from 100 to 3066000100014 300 mg/cm2. The isotopic abundances are given in % 3066000100015 in the following Table. 3066000100016 ---------------------------------------- 3066000100017 Sample isotope 3066000100018 46 47 48 49 50 3066000100019 ---------------------------------------- 3066000100020 natural 8.2 7.4 73.8 5.4 5.2 3066000100021 Ti-46 73.8 2.6 20.1 1.7 1.8 3066000100022 Ti-47 2.5 76.1 19.0 1.3 1.1 3066000100023 Ti-48 0.2 1.0 97.8 0.7 0.3 3066000100024 Ti-49 3.3 3.5 22.3 67.1 3.8 3066000100025 ---------------------------------------- 3066000100026 MONITOR (26-FE-56(N,P)25-MN-56,,SIG) 3066000100027 MONIT-REF (20772003,T.B.Ryves+,J,MET,14,(3),127,1978) 3066000100028 FACILITY (CCW,3SLKSLO) 3066000100029 INC-SOURCE (D-T) 3066000100030 METHOD (ACTIV). In order to resolve (n,p) and (n,np) cross 3066000100031 sections leading to the same activation product, 3066000100032 3 to 5 samples with different isotopic abundances were 3066000100033 used and the contributing cross sections were deduced 3066000100034 using a linear least squares method. 3066000100035 DETECTOR (GELI) 3066000100036 CORRECTION Data corrected for 3066000100037 -Time variation of neutron flux 3066000100038 -Coincidence summing of gamma rays 3066000100039 -Self-absorption of gamma rays in the sample 3066000100040 COVARIANCE The statistical errors of (n,p) and (n,np) cross 3066000100041 sections leading to the same product (deduced from the 3066000100042 same activity) are correlated, their correlation coeff-3066000100043 icients are given in the following Table in %. 3066000100044 The common systematic errors are not included in this 3066000100045 Table (see 'ERR-ANALYS'). 3066000100046 --------------------------------------------------- 3066000100047 (n,p) reaction (n,np) reaction Coeff. 3066000100048 --------------------------------------------------- 3066000100049 Ti-46(n,p)Sc-46-m Ti-47(n,np)Sc-46-m -45. 3066000100050 Ti-46(n,p)Sc-46-g Ti-47(n,np)Sc-46-g -14. 3066000100051 Ti-47(n,p)Sc-47 Ti-48(n,np)Sc-47 -51. 3066000100052 Ti-48(n,p)Sc-48 Ti-49(n,np)Sc-48 -28. 3066000100053 --------------------------------------------------- 3066000100054 ERR-ANALYS (ERR-T) Total one-sigma error, includes statistical 3066000100055 uncertainty and the following sources of systematic 3066000100056 uncertainties (in %): 3066000100057 (ERR-1) Calibration of flux monitors including 3066000100058 Fe-56(n,p) reaction 3.6 3066000100059 (ERR-2) Efficiency of Ge(Li) detector 1.5 3066000100060 (ERR-3) Coincidence summing corrections 0.7 3066000100061 (ERR-4) Sample composition (chemical, isotopic 0.2 3066000100062 (ERR-5) Sample mass 0.1 3066000100063 (ERR-6) Irradiation and counting geometry 0.2 3066000100064 (ERR-S) Statistical error 3066000100065 STATUS (TABLE) Data from J.Phys.G,9(1983)pag.1537, Tab.3. 3066000100066 Work performed under IAEA Co-ordinated Research 3066000100067 Programme. 3066000100068 (APRVD) Approved by Ribansky 19/04/85 3066000100069 HISTORY (19830624C) OS. 3066000100070 (19850423U) DG.-Corrections after author approval, 3066000100071 new reference added.- 3066000100072 (19880516U) DG.-Reference INDC(CSR)-8,8603 added.- 3066000100073 (20090725A) SD:Updated to new date formats,lower case. 3066000100074 ERR-T was changed on ERR-SYS 3066000100075 (20210930A) VS. SF3=X in 003, 005 and 007. 3066000100076 ENDBIB 74 0 3066000100077 COMMON 8 6 3066000100078 EN EN-RSL ERR-1 ERR-2 ERR-3 ERR-4 3066000100079 ERR-5 ERR-6 3066000100080 MEV MEV PER-CENT PER-CENT PER-CENT PER-CENT 3066000100081 PER-CENT PER-CENT 3066000100082 14.8 0.25 3.6 1.5 0.7 0.2 3066000100083 0.1 0.2 3066000100084 ENDCOMMON 6 0 3066000100085 ENDSUBENT 84 0 3066000199999 SUBENT 30660002 20090830 31403066000200001 BIB 3 11 3066000200002 REACTION M(22-TI-46(N,P)21-SC-46-M,,SIG) 3066000200003 G(22-TI-46(N,P)21-SC-46-G,,SIG) 3066000200004 S(22-TI-46(N,P)21-SC-46,,SIG) Deduced 3066000200005 (sum of metastable + ground state) 3066000200006 DECAY-DATA (21-SC-46-M,18.7SEC,DG,142.5,0.621) 3066000200007 (21-SC-46-G,83.8D,DG,889.2,1., 3066000200008 DG,1120.5,1.) 3066000200009 STATUS (COREL,30660003) Data measured simultaneously with 3066000200010 (n,np)reaction leading to same product. See 'METHOD' 3066000200011 and 'COVARIANCE'. 3066000200012 S(DEP,30660002) 3066000200013 ENDBIB 11 0 3066000200014 NOCOMMON 0 0 3066000200015 DATA 8 1 3066000200016 DATA MERR-T MERR-S MDATA GERR-T GERR-S G3066000200017 DATA SERR-T S 3066000200018 MB PER-CENT PER-CENT MB PER-CENT PER-CENT 3066000200019 MB PER-CENT 3066000200020 5.5000E+01 4.0000E+00 6.0000E-01 2.1170E+02 3.9000E+00 1.6000E+003066000200021 2.6670E+02 3.2000E+00 3066000200022 ENDDATA 6 0 3066000200023 ENDSUBENT 22 0 3066000299999 SUBENT 30660003 20211005 32023066000300001 BIB 4 12 3066000300002 REACTION M(22-TI-47(N,X)21-SC-46-M,,SIG) 3066000300003 G(22-TI-47(N,X)21-SC-46-G,,SIG) 3066000300004 S(22-TI-47(N,X)21-SC-46,,SIG) Deduced 3066000300005 (sum of metastable + ground state) 3066000300006 DECAY-DATA (21-SC-46-M,18.7SEC,DG,142.5,0.621) 3066000300007 (21-SC-46-G,83.8D,DG,889.2,1., 3066000300008 DG,1120.5,1.) 3066000300009 STATUS (COREL,30660002) Data measured simultaneously with 3066000300010 (n,p) reaction leading to same product. See 'METHOD' 3066000300011 and 'COVARIANCE'. 3066000300012 S(DEP,30660003) sum of metastable + ground state 3066000300013 HISTORY (20210930A) VS. SF3=X c.f. Memo CP-D/0999. 3066000300014 ENDBIB 12 0 3066000300015 NOCOMMON 0 0 3066000300016 DATA 8 1 3066000300017 DATA MERR-T MERR-S MDATA GERR-T GERR-S G3066000300018 DATA SERR-T S 3066000300019 MB PER-CENT PER-CENT MB PER-CENT PER-CENT 3066000300020 MB PER-CENT 3066000300021 6.9200E+00 4.7000E+00 2.5000E+00 5.5900E+01 4.1000E+00 2.2000E+003066000300022 6.2800E+01 3.8000E+00 3066000300023 ENDDATA 6 0 3066000300024 ENDSUBENT 23 0 3066000399999 SUBENT 30660004 20090830 31403066000400001 BIB 3 5 3066000400002 REACTION (22-TI-47(N,P)21-SC-47,,SIG) 3066000400003 DECAY-DATA (21-SC-47,3.42D,DG,159.4,0.685) 3066000400004 STATUS (COREL,30660005) Data measured simultaneously with 3066000400005 (n,np) reaction leading to same product. See 'METHOD'3066000400006 and 'COVARIANCE'. 3066000400007 ENDBIB 5 0 3066000400008 NOCOMMON 0 0 3066000400009 DATA 3 1 3066000400010 DATA ERR-T ERR-S 3066000400011 MB PER-CENT PER-CENT 3066000400012 1.6950E+02 4.1000E+00 1.1000E+00 3066000400013 ENDDATA 3 0 3066000400014 ENDSUBENT 13 0 3066000499999 SUBENT 30660005 20211005 32023066000500001 BIB 4 6 3066000500002 REACTION (22-TI-48(N,X)21-SC-47,,SIG) 3066000500003 DECAY-DATA (21-SC-47,3.42D,DG,159.4,0.685) 3066000500004 STATUS (COREL,30660004) Data measured simultaneously with 3066000500005 (n,p) reaction leading to same product. See 'METHOD' 3066000500006 and 'COVARIANCE'. 3066000500007 HISTORY (20210930A) VS. SF3=X c.f. Memo CP-D/0999. 3066000500008 ENDBIB 6 0 3066000500009 NOCOMMON 0 0 3066000500010 DATA 3 1 3066000500011 DATA ERR-T ERR-S 3066000500012 MB PER-CENT PER-CENT 3066000500013 1.1520E+01 4.4000E+00 1.8000E+00 3066000500014 ENDDATA 3 0 3066000500015 ENDSUBENT 14 0 3066000599999 SUBENT 30660006 20090830 31403066000600001 BIB 3 8 3066000600002 REACTION (22-TI-48(N,P)21-SC-48,,SIG) 3066000600003 DECAY-DATA (21-SC-48,43.7HR,DG,983.5,1., 3066000600004 DG,1037.5,0.975, 3066000600005 DG,1212.8,0.0238, 3066000600006 DG,1312.1,1.) 3066000600007 STATUS (COREL,30660007) Data measured simultaneously with 3066000600008 (n,np) reaction leading to same product. See 'method'3066000600009 and 'covariance'. 3066000600010 ENDBIB 8 0 3066000600011 NOCOMMON 0 0 3066000600012 DATA 3 1 3066000600013 DATA ERR-T ERR-S 3066000600014 MB PER-CENT PER-CENT 3066000600015 7.1700E+01 3.7000E+00 5.0000E-01 3066000600016 ENDDATA 3 0 3066000600017 ENDSUBENT 16 0 3066000699999 SUBENT 30660007 20211005 32023066000700001 BIB 4 9 3066000700002 REACTION (22-TI-49(N,X)21-SC-48,,SIG) 3066000700003 DECAY-DATA (21-SC-48,43.7HR,DG,983.5,1., 3066000700004 DG,1037.5,0.975, 3066000700005 DG,1212.8,0.0238, 3066000700006 DG,1312.1,1.) 3066000700007 STATUS (COREL,30660006) Data measured simultaneously with 3066000700008 (n,p) reaction leading to same product. See 'METHOD'3066000700009 and 'COVARIANCE'. 3066000700010 HISTORY (20210930A) VS. SF3=X c.f. Memo CP-D/0999. 3066000700011 ENDBIB 9 0 3066000700012 NOCOMMON 0 0 3066000700013 DATA 3 1 3066000700014 DATA ERR-T ERR-S 3066000700015 MB PER-CENT PER-CENT 3066000700016 6.9000E+00 1.0100E+01 9.5000E+00 3066000700017 ENDDATA 3 0 3066000700018 ENDSUBENT 17 0 3066000799999 SUBENT 30660008 20090830 31403066000800001 BIB 2 4 3066000800002 REACTION (22-TI-50(N,P)21-SC-50,,SIG) 3066000800003 DECAY-DATA (21-SC-50-G,1.71MIN,DG,523.7,0.88, 3066000800004 DG,1121.0,1., 3066000800005 DG,1553.7,1.) 3066000800006 ENDBIB 4 0 3066000800007 NOCOMMON 0 0 3066000800008 DATA 3 1 3066000800009 DATA ERR-T ERR-S 3066000800010 MB PER-CENT PER-CENT 3066000800011 1.5400E+01 4.1000E+00 1.4000E+00 3066000800012 ENDDATA 3 0 3066000800013 ENDSUBENT 12 0 3066000899999 SUBENT 30660009 20090830 31403066000900001 BIB 2 2 3066000900002 REACTION (22-TI-50(N,A)20-CA-47,,SIG) 3066000900003 DECAY-DATA (20-CA-47,4.536D,DG,1297.1,0.772) 3066000900004 ENDBIB 2 0 3066000900005 NOCOMMON 0 0 3066000900006 DATA 3 1 3066000900007 DATA ERR-T ERR-S 3066000900008 MB PER-CENT PER-CENT 3066000900009 9.0000E+00 8.9000E+00 8.6000E+00 3066000900010 ENDDATA 3 0 3066000900011 ENDSUBENT 10 0 3066000999999 ENDENTRY 9 0 3066099999999