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Reinvestigation of the high-spin level structure of 92Nb: Excitations across the Z=38 and N=50 closed shells.
- Source :
-
Physical Review C . Jul2019, Vol. 100 Issue 1, p1-1. 1p. - Publication Year :
- 2019
-
Abstract
- High-spin states in 92Nb have been investigated by using in-beam γ ray spectroscopy with the 82Se(14N,4n)92Nb reaction at a beam energy of 54 MeV. The positive-parity decay sequences above the previously known state 13+ have been extended to Iπ≥(20+) by adding nineteen new γ rays. The level structures in 92Nb have been interpreted in terms of the shell model calculations performed in the configuration space π(1f5/2,2p3/2,2p1/2,1g9/2) for the protons and ν(2p1/2,1g9/2,1g7/2,2d5/2) for the neutrons. The calculated results show that the inclusion of proton core excitation relative to the Z=38 subshell closure and neutron particle-hole excitation for the N=50 shell closure are essential to adequately describe the experimental high-spin states at I≈(18-20)ℏ with excitation energies above 8.5 MeV. [ABSTRACT FROM AUTHOR]
- Subjects :
- *CONFIGURATION space
*NEUTRON spectroscopy
*PROTONS
*NEUTRONS
Subjects
Details
- Language :
- English
- ISSN :
- 24699985
- Volume :
- 100
- Issue :
- 1
- Database :
- Academic Search Index
- Journal :
- Physical Review C
- Publication Type :
- Academic Journal
- Accession number :
- 138079432
- Full Text :
- https://doi.org/10.1103/PhysRevC.100.014325