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- Title
High spin states in <sup>63</sup>Cu.
- Authors
Rai, S.; Mukherjee, B.; Ghosh, U. S.; Biswas, A.; Chakraborty, A.; Mondal, A. K.; Chakraborty, S.; Mukherjee, G.; Bala, I.; Muralithar, S.; Singh, R. P.
- Abstract
High-spin states in 63Cu were investigated through in-beam γ<inline-graphic></inline-graphic>-ray spectroscopic techniques using the 52Cr(18O,α<inline-graphic></inline-graphic>p2n) fusion-evaporation reaction at a beam energy of 72.5 MeV. The γ<inline-graphic></inline-graphic>-rays emitted by the excited nucleus were recorded in the coincidence mode using fourteen Compton suppressed Ge clover detectors of the Indian National Gamma-ray Array (INGA). Based on the γ<inline-graphic></inline-graphic>-γ<inline-graphic></inline-graphic> coincidence data, twenty-one new γ<inline-graphic></inline-graphic>-ray transitions have been observed and placed —thereby extending the level scheme of 63Cu up to spin 25/2ℏ<inline-graphic></inline-graphic> and excitation energy ∼8.36<inline-graphic></inline-graphic> MeV. Shell model calculations are performed in the f5/2pg9/2<inline-graphic></inline-graphic> model space with a 56Ni core using two effective interactions, viz. JUN45 and jj44b to interpret the observed excited states of this nucleus. A reasonable agreement is found between the experimental finding and the shell-model calculations —which implies that the excitations within the f5/2p3/2p1/2<inline-graphic></inline-graphic> orbitals are more dominant in defining the observed level structure than the excitation across the magic shell gap N=Z=28<inline-graphic></inline-graphic>.
- Subjects
EXCITATION spectrum; NUCLEAR physics; SPECTRUM analysis; CHEMICAL reactions; CHEMICAL synthesis; GAMMA ray spectrometry
- Publication
European Physical Journal A -- Hadrons & Nuclei, 2018, Vol 54, Issue 5, p1
- ISSN
1434-6001
- Publication type
Article
- DOI
10.1140/epja/i2018-12518-2