ENTRY 22823 20040607 00002282300000001 SUBENT 22823001 20040607 00002282300100001 BIB 13 37 2282300100002 TITLE .Cross sections for the formation of Zn-69-m,g and 2282300100003 Zn-71-m,g in neutron induced reactions near their 2282300100004 thresholds: effect of reaction channel on the 2282300100005 isomeric cross section 2282300100006 AUTHOR (C.D.NESARAJA, S.SUDAR, S.M.QAIM) 2282300100007 INSTITUTE (2GERJUL) 2282300100008 REFERENCE (J,PR/C,68,(2),024603,2003) Main reference 2282300100009 ((P,INDC(GER)-049,10,200307)=(R,JUEL-4074,10,200307)) 2282300100010 (J,NSE,88,143,1984) Characteristics of the neutron 2282300100011 source 2282300100012 (J,RCA,86,1,1999) Correction and error analysis 2282300100013 FACILITY (CYCLO) Variable energy compact cyclotron CV28. 2282300100014 Beam current 4 micro-A, deutron energies lie in 2282300100015 the energy range 6 - 12 MeV 2282300100016 INC-SOURCE (D-D) D2 gas target, 3.7 cm long,gas pressure 1.8E+5 2282300100017 pascal 2282300100018 METHOD (ACTIV) Activation 2282300100019 (STTA) Stack target irradiation 2282300100020 MONITOR A(26-FE-56(N,P)25-MN-56,,SIG) For neutron energies 2282300100021 up to 8 MeV 2282300100022 B(13-AL-27(N,A)11-NA-24,,SIG) For neutron energies 2282300100023 above 8 MeV 2282300100024 C(13-AL-27(N,P)12-MG-27,,SIG) For neutron flux 2282300100025 monitoring 2282300100026 DECAY-MON A(25-MN-56,2.58HR,DG,847.,0.989) 2282300100027 B(11-NA-24,14.97HR,DG,1369.,1.0) 2282300100028 C(12-MG-27,9.46MIN,DG,844.,0.73) 2282300100029 MONIT-REF -P.KOCHEROV+, International 2282300100030 radiation disimetry file, version 2. Vienna, 1993 2282300100031 CORRECTION .Corrections were made for contribution of background 2282300100032 neutrons, for detector efficiency, for coincidence 2282300100033 loss 2282300100034 ERR-ANALYS (ERR-T) Error structure is given in reference 3 2282300100035 total error for different reactions lie in the range 2282300100036 9% - 28% 2282300100037 HISTORY (20040123C) J.O.S. 2282300100038 (20040607U) .Reference added 2282300100039 ENDBIB 37 0 2282300100040 NOCOMMON 0 0 2282300100041 ENDSUBENT 40 0 2282300199999 SUBENT 22823002 20040123 00002282300200001 BIB 8 13 2282300200002 REACTION (32-GE-72(N,A)30-ZN-69-M,,SIG) 2282300200003 METHOD (CHSEP) The product was chemically separated 2282300200004 DETECTOR (HPGE) For gamma measurements 2282300200005 PART-DET (DG) 2282300200006 DECAY-DATA (30-ZN-69-M,13.76HR,DG,438.6,0.948, 2282300200007 B-,439.) 2282300200008 CORRECTION .Additional corrections were made for self-absorption 2282300200009 SAMPLE .Germanium oxide Ge-O2 99.9% purity, pellets 2.0 cm 2282300200010 diam, 0.3 cm thick, weight 4 gram, placed in aluminium2282300200011 capsule. Monitor foils of the same size - Al or Fe, 2282300200012 100 micron each - were attached at the front and at 2282300200013 the back of the sample. Natural isotopic composition 2282300200014 STATUS .From table 3 of main reference 2282300200015 ENDBIB 13 0 2282300200016 NOCOMMON 0 0 2282300200017 DATA 4 8 2282300200018 EN EN-RSL DATA ERR-T 2282300200019 MEV MEV MB MB 2282300200020 7.46 0.26 0.62 0.06 2282300200021 8.28 0.27 0.83 0.09 2282300200022 9.16 0.55 1.35 0.14 2282300200023 9.96 0.34 2.3 0.3 2282300200024 10.71 0.35 2.5 0.3 2282300200025 11.37 0.38 2.8 0.4 2282300200026 11.80 0.31 3.2 0.4 2282300200027 11.96 0.70 4.5 0.5 2282300200028 ENDDATA 10 0 2282300200029 ENDSUBENT 28 0 2282300299999 SUBENT 22823003 20040123 00002282300300001 BIB 7 13 2282300300002 REACTION (32-GE-74(N,A)30-ZN-71-M,,SIG) 2282300300003 DETECTOR (HPGE) For gamma measurements 2282300300004 PART-DET (DG) 2282300300005 DECAY-DATA (30-ZN-71-M,3.94HR,DG,386.4,0.930) 2282300300006 CORRECTION .Additional corrections were made for self-absorption 2282300300007 SAMPLE .Germanium oxide Ge-O2 99.9% purity, pellets 2.0 cm 2282300300008 diam, 0.3 cm thick, weight 4 gram, placed in aluminium2282300300009 capsule. Monitor foils of the same size - Al or Fe, 2282300300010 100 micron each - were attached at the front and at 2282300300011 the back of the sample. Ge-70 content is 0.21%, 2282300300012 Ge-72 content is 0.34%, Ge-73 content is 0.95%, 2282300300013 Ge-74 content is 98.44%, Ge-76 content is 0.06%, 2282300300014 STATUS .From table 3 of main reference 2282300300015 ENDBIB 13 0 2282300300016 NOCOMMON 0 0 2282300300017 DATA 4 8 2282300300018 EN EN-RSL DATA ERR-T 2282300300019 MEV MEV MB MB 2282300300020 7.46 0.26 0.03 0.01 2282300300021 8.28 0.27 0.08 0.02 2282300300022 9.16 0.55 0.21 0.04 2282300300023 9.96 0.34 0.48 0.09 2282300300024 10.71 0.35 0.63 0.12 2282300300025 11.37 0.38 0.81 0.13 2282300300026 11.80 0.31 0.91 0.09 2282300300027 11.96 0.70 1.35 0.27 2282300300028 ENDDATA 10 0 2282300300029 ENDSUBENT 28 0 2282300399999 SUBENT 22823004 20040123 00002282300400001 BIB 8 14 2282300400002 REACTION (31-GA-69(N,P)30-ZN-69-M,,SIG) 2282300400003 DETECTOR (HPGE) For gamma measurements 2282300400004 METHOD (CHSEP) The product was chemically separated 2282300400005 PART-DET (DG) 2282300400006 DECAY-DATA (30-ZN-69-M,13.76HR,DG,438.6,0.948, 2282300400007 B-,439.) 2282300400008 CORRECTION .Additional corrections were made for self-absorption 2282300400009 SAMPLE .Gallium oxide Ga2-O3 99.9% purity, pellets 2.0 cm 2282300400010 diam, 0.3 cm thick, weight 4 gram, placed in aluminium2282300400011 capsule. Monitor foils of the same size - Al or Fe, 2282300400012 100 micron each - were attached at the front and at 2282300400013 the back of the sample . Ga-69 content is 0.46%, 2282300400014 Ga-71 content is 99.54% 2282300400015 STATUS .From table 3 of main reference 2282300400016 ENDBIB 14 0 2282300400017 NOCOMMON 0 0 2282300400018 DATA 4 7 2282300400019 EN EN-RSL DATA ERR-T 2282300400020 MEV MEV MB MB 2282300400021 6.32 0.41 4.8 0.8 2282300400022 7.33 0.48 6.3 0.9 2282300400023 8.01 0.53 9.4 1.3 2282300400024 9.09 0.62 12.7 1.8 2282300400025 10.13 0.74 17.8 3.5 2282300400026 11.24 0.84 26.4 5.2 2282300400027 12.06 0.93 29.0 6.2 2282300400028 ENDDATA 9 0 2282300400029 ENDSUBENT 28 0 2282300499999 SUBENT 22823005 20040123 00002282300500001 BIB 7 11 2282300500002 REACTION (30-ZN-70(N,2N)30-ZN-69-M,,SIG) 2282300500003 DETECTOR (HPGE) For gamma measurements 2282300500004 PART-DET (DG) 2282300500005 DECAY-DATA (30-ZN-69-M,13.76HR,DG,438.6,0.948, 2282300500006 B-,439.) 2282300500007 CORRECTION .Additional corrections were made for self-absorption 2282300500008 SAMPLE .Zinc oxide Zn-O. Enriched in Zn-70 sample was used. 2282300500009 Monitor foils of the same size - Al or Fe, 100 micron 2282300500010 each - were attached at the front and at the back of 2282300500011 the sample 2282300500012 STATUS .From table 3 of main reference 2282300500013 ENDBIB 11 0 2282300500014 NOCOMMON 0 0 2282300500015 DATA 4 4 2282300500016 EN EN-RSL DATA ERR-T 2282300500017 MEV MEV MB MB 2282300500018 10.32 0.54 93. 11. 2282300500019 11.42 0.61 286. 30. 2282300500020 11.98 0.51 581. 73. 2282300500021 12.29 0.67 732. 84. 2282300500022 ENDDATA 6 0 2282300500023 ENDSUBENT 22 0 2282300599999 SUBENT 22823006 20040123 00002282300600001 BIB 6 11 2282300600002 REACTION (32-GE-72(N,A)30-ZN-69-G,,SIG) 2282300600003 PART-DET (B-) 2282300600004 DETECTOR (PROPC) Gas flow proportional counter - for beta ray 2282300600005 counting 2282300600006 DECAY-DATA (30-ZN-69-G,56.MIN,B-,905.) 2282300600007 SAMPLE .Germanium oxide Ge-O2 99.9% purity, pellets 1.3 cm 2282300600008 diam, 0.05 cm thick, weight 0.3 gram, placed between 2282300600009 two thin cellulose tapes. Monitor foils of the same 2282300600010 size - Al or Fe, 100 micron each - were attached at 2282300600011 the front and at the back of the sample 2282300600012 STATUS .From table 4 of main reference 2282300600013 ENDBIB 11 0 2282300600014 NOCOMMON 0 0 2282300600015 DATA 4 5 2282300600016 EN EN-RSL DATA ERR-T 2282300600017 MEV MEV MB MB 2282300600018 7.38 0.21 3.1 0.9 2282300600019 8.38 0.22 3.6 1.1 2282300600020 10.05 0.67 4.0 1.0 2282300600021 10.96 0.75 4.5 1.1 2282300600022 11.87 0.37 7.2 2.4 2282300600023 ENDDATA 7 0 2282300600024 ENDSUBENT 23 0 2282300699999 SUBENT 22823007 20040123 00002282300700001 BIB 6 12 2282300700002 REACTION (32-GE-74(N,A)30-ZN-71-G,,SIG) 2282300700003 PART-DET (B-) 2282300700004 DETECTOR (PROPC) Gas flow proportional counter - for beta ray 2282300700005 counting 2282300700006 DECAY-DATA (30-ZN-71-G,2.4MIN,B-,2295.) 2282300700007 SAMPLE .Germanium oxide Ge-O2 99.9% purity, pellets 2.0 cm 2282300700008 diam, 0.3 cm thick, weight 4 gram, placed in aluminium2282300700009 capsule. Monitor foils of the same size - Al or Fe, 2282300700010 100 micron each - were attached at the front and at 2282300700011 the back of the sample. Isotopically enriched sample 2282300700012 was used 2282300700013 STATUS .From table 4 of main reference 2282300700014 ENDBIB 12 0 2282300700015 NOCOMMON 0 0 2282300700016 DATA 4 5 2282300700017 EN EN-RSL DATA ERR-T 2282300700018 MEV MEV MB MB 2282300700019 8.39 0.44 0.45 0.08 2282300700020 9.44 0.49 1.04 0.21 2282300700021 10.45 0.55 1.35 0.40 2282300700022 11.48 0.64 3.3 1.3 2282300700023 12.44 0.68 4.4 1.5 2282300700024 ENDDATA 7 0 2282300700025 ENDSUBENT 24 0 2282300799999 SUBENT 22823008 20040123 00002282300800001 BIB 7 13 2282300800002 REACTION (31-GA-69(N,P)30-ZN-69-G,,SIG) 2282300800003 METHOD (CHSEP) The product was chemically separated 2282300800004 PART-DET (B-) 2282300800005 DETECTOR (PROPC) Gas flow proportional counter - for beta ray 2282300800006 counting 2282300800007 DECAY-DATA (30-ZN-69-G,56.MIN,B-,905.) 2282300800008 SAMPLE .Gallium oxide Ga2-O3 99.9% purity, pellets 2.0 cm 2282300800009 diam, 0.3 cm thick, weight 4 gram, placed in aluminium2282300800010 capsule. Monitor foils of the same size - Al or Fe, 2282300800011 100 micron each - were attached at the front and at 2282300800012 the back of the sample . Ga-69 content is 0.46%, 2282300800013 Ga-71 content is 99.54% 2282300800014 STATUS .From table 4 of main reference 2282300800015 ENDBIB 13 0 2282300800016 NOCOMMON 0 0 2282300800017 DATA 4 7 2282300800018 EN EN-RSL DATA ERR-T 2282300800019 MEV MEV MB MB 2282300800020 6.32 0.41 3.0 0.6 2282300800021 7.33 0.48 2.9 0.5 2282300800022 8.01 0.53 3.8 0.6 2282300800023 9.09 0.62 5.0 1.33 2282300800024 10.13 0.74 6.8 1.6 2282300800025 11.24 0.84 8.2 1.6 2282300800026 12.06 0.93 8.7 1.7 2282300800027 ENDDATA 9 0 2282300800028 ENDSUBENT 27 0 2282300899999 SUBENT 22823009 20040123 00002282300900001 BIB 6 10 2282300900002 REACTION (30-ZN-70(N,2N)30-ZN-69-G,,SIG) 2282300900003 DETECTOR (PROPC) Gas flow proportional counter - for beta ray 2282300900004 counting 2282300900005 PART-DET (B-) 2282300900006 DECAY-DATA (30-ZN-69-G,56.MIN,B-,905.) 2282300900007 SAMPLE .Zinc oxide Zn-O. Enriched in Zn-70 sample was used. 2282300900008 Monitor foils of the same size - Al or Fe, 100 micron 2282300900009 each - were attached at the front and at the back of 2282300900010 the sample 2282300900011 STATUS .From table 4 of main reference 2282300900012 ENDBIB 10 0 2282300900013 NOCOMMON 0 0 2282300900014 DATA 4 4 2282300900015 EN EN-RSL DATA ERR-T 2282300900016 MEV MEV MB MB 2282300900017 10.32 0.54 96. 29. 2282300900018 11.42 0.61 188. 53. 2282300900019 11.98 0.51 301. 80. 2282300900020 12.29 0.67 425. 117. 2282300900021 ENDDATA 6 0 2282300900022 ENDSUBENT 21 0 2282300999999 SUBENT 22823010 20040123 00002282301000001 BIB 6 13 2282301000002 REACTION (31-GA-71(N,P)30-ZN-71-G,,SIG) 2282301000003 PART-DET (B-) 2282301000004 DETECTOR (PROPC) Gas flow proportional counter - for beta ray 2282301000005 counting 2282301000006 DECAY-DATA (30-ZN-71-G,2.4MIN,B-,2295.,, 2282301000007 DG,910.3,0.078) 2282301000008 SAMPLE .Gallium oxide Ga2-O3 99.9% purity, pellets 2.0 cm 2282301000009 diam, 0.3 cm thick, weight 4 gram, placed in aluminium2282301000010 capsule. Monitor foils of the same size - Al or Fe, 2282301000011 100 micron each - were attached at the front and at 2282301000012 the back of the sample . Isotopically enriched sample 2282301000013 Was used 2282301000014 STATUS .From table 4 of main reference 2282301000015 ENDBIB 13 0 2282301000016 NOCOMMON 0 0 2282301000017 DATA 4 5 2282301000018 EN EN-RSL DATA ERR-T 2282301000019 MEV MEV MB MB 2282301000020 8.39 0.44 1.6 0.6 2282301000021 9.44 0.49 5.0 0.8 2282301000022 10.45 0.55 8.5 1.5 2282301000023 11.48 0.64 11.7 2.2 2282301000024 12.44 0.68 13.0 3.3 2282301000025 ENDDATA 7 0 2282301000026 ENDSUBENT 25 0 2282301099999 ENDENTRY 10 0 2282399999999