Study of the 63Cu(, n)64Zn and 65Cu(, n)66Zn reactions☆
Abstract
The 63, 65Cu(d, n)64, 66Zn reactions have been studied with an 8 MeV, pulsed, vector polarized deuteron beam. Angular distributions of the relative cross section and vector analyzing power have been measured for transitions to the ground and first excited states in 64Zn and 66Zn. Distorted-wave calculations are in reasonable agreement with the measurements for the jpπ = − ground state transitions. For the transitions to the Jπ = 2+ first excited states a comparison of the distorted-wave calculations with the cross section and vector analyzing power shows that these transitions are dominated by lp = 1 and jp = , respectively.
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Cited by (7)
Nuclear Data Sheets for A=64
2021, Nuclear Data SheetsThe evaluated experimental data are presented and evaluated for 13 known nuclides of mass 64 (Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, As, Se). For each nuclide, the best values combining all available data are recommended for spectroscopic properties. No excited states have been identified in 64Ti, 64As, and 64Se. Only one excited state in 64V as an isomer, and three in 64Cr have been identified. Data for excited states in 64Mn, 64Fe, and 64Co remain limited. 64Ni, 64Cu, and 64Zn are the most studied nuclides through various reactions and decays, followed by 64Ga and 64Ge. In the opinion of the evaluators, there are several incomplete or discrepant aspects of the high-spin portion of the level scheme for 64Zn above ≈5 MeV excitation which need to be resolved in further experiments using large γ-detector arrays. The decay schemes of 64Ti β−, 64As ε and 64Se ε are unknown, while very little information is available for 64V β− and 64Cr β−. The decay schemes of 64Mn β−, 64Fe β−, 64Co β− and 64Ge ε are somewhat better known, but still considered incomplete by evaluators. The decay scheme of 64Ga ε decay is known in detail, however there is the possibility of additional levels populated above 4713 keV, as the Q(ε) value is 7171 keV. The β−, β+ and ε decay modes of 64Cu are well known, as this radionuclide is of great importance in applications, for example, as a dosimeter for neutron flux determination in nuclear reactors, and as a radiopharmaceutical for positron emission tomography (PET). This work supersedes earlier full evaluations of A=64 by 2007Si04, 1996Si12, 1991Si03, 1979Ha35 and 1974Au04.
Nuclear Data Sheets for A = 66
2010, Nuclear Data SheetsThe evaluators present in this publication spectroscopic data and level schemes from radioactive decay and nuclear reactions studies for all isobars with mass number A = 66. The first level- scheme of 66As, from (HI,xnγ), has been included in this evaluation.
Nuclear Data Sheets for A = 64
2007, Nuclear Data SheetsThe evaluated spectroscopic data are presented for known nuclides of mass 64 (V,Cr,Mn,Fe,Co,Ni,Cu,Zn,Ga,Ge,As,Se). Excited-state data are nonexistent for 64V, 64Cr, 64As and 64Se. Except for half-lives, no other radioactive decay data are available for the decay of 64V, 64As and 64Se; and those for the decays of 64Cr, 64Mn, 64Fe, 64Co and 64Ge are not considered as definitive. There are several high-spin studies for 64Zn nuclide, but many inconsistencies are noted in this evaluation and complete details of data in these studies are generally lacking in the published literature. This work supersedes earlier full evaluations of A = 64 by 1996Si12, 1979Ha35, 1974Au04 and 1967Ve09; and a mid-strem evaluation by 1991Si03 published in an 'update' mode.
Nuclear data sheets for A = 66
1998, Nuclear Data SheetsThe 1990 evaluation of A = 66 (90Bh05) has been revised using experimental data received by March 3, 1998.
Nuclear Data Sheets for A = 64
1996, Nuclear Data SheetsAbstract:The evaluated spectroscopic data are presented for known nuclides of mass 64 (Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge). Excited-state data are nonexistent for64Mn and64Fe. Radioactive decay data for64Mn are not available and those for64Fe,64Co and64Ge are not considered definitive.
The following nuclides have not yet been identified but, amongst other nuclides, have been included in theoretical calculations:64Ca (92Ma60,91To03,91Hi10);64Cr (95Re20,95Ri05,95Au04);64As (95Au04);64Se (93Sh11).
The literature available up to June 25, 1996 has been consulted. This work supersedes earlier evaluations of A=64 published in Nuclear Data Sheets (91Si03,79Ha35,74Au04,67Ve09).
Cutoff Date:Literature available up to June 25, 1996 has been consulted.
General Policies and Organization of Material:See the January issue of Nuclear Data Sheets.
Acknowledgments:The evaluator thanks Alfredo Galindo-Uribarri at Chalk River for discussions and communicating results of his recent in-beam experiment on64Zn, prior to publication.
General Comments:The statistical analysis of γ-ray data and deduced level schemes is carried out through computer codes available at Isotopes Project, Berkeley and Nuclear Data Center, Brookhaven. The methodology and procedures for some of these codes are described by 86BrZQ and 86Br21. A general 3% uncertainty is assumed in quoted theoretical internal conversion coefficients taken mainly from 68Ha53.
The values of μ and Q are from compilation by 89Ra17, when available.
Nuclear data sheets update for A = 64
1991, Nuclear Data SheetsThe evaluated spectroscopic data are presented for eight known nuclides of mass 64 (Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge). Excited-state data are nonexistent for 64Mn and 64Fe. Very little information is available for 64Ge and γ-ray data are scarce for 64Co and 64Ni. Some high-spin data are available for 64Ga and 64Ge, in spite of several in-beam γ-ray experiments on 64Zn and 64Cu. Further work on 64Zn and 64Ga seems to be in progress at Daresbury (90LiZS) through heavy-ion reactions. Radioactive decay data for 64Mn are not available and those for 64Fe, 64Co and 64Ge are not considered definitive.
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Work supported in part by the US Energy Research and Development Administration.