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Multiple Band Structures In Ge-70

Title: Multiple Band Structures In Ge-70.
Name(s): Haring-Kaye, R. A., author
Morrow, S. I., author
Doring, J., author
Tabor, S. L., author
Le, K. Q., author
Allegro, P. R. P., author
Bender, P. C., author
Elder, R. M., author
Medina, N. H., author
Oliveira, J. R. B., author
Tripathi, Vandana, author
Type of Resource: text
Genre: Journal Article
Journal Article
Date Issued: 2018-02-07
Physical Form: computer
online resource
Extent: 1 online resource
Language(s): English
Abstract/Description: High-spin states in Ge-70 were studied using the Mn-55(O-18, p2n) fusion-evaporation reaction at a beam energy of 50 MeV. Prompt gamma-gamma coincidences were measured using the Florida State University Compton-suppressed Ge array consisting of three Clover detectors and seven single-crystal detectors. An investigation of these coincidences resulted in the addition of 31 new transitions and the rearrangement of four others in the Ge-70 level scheme, providing a more complete picture of the high-spin decay pattern involving both positive-and negative-parity states with multiple band structures. Spins were assigned based on directional correlation of oriented nuclei ratios, which many times also led to unambiguous parity determinations based on the firm assignments for low-lying states made in previous work. Total Routhian surface calculations, along with the observed trends in the experimental kinematic moment of inertia with rotational frequency, support the multiquasiparticle configurations of the various crossing bands proposed in recent studies. The high-spin excitation spectra predicted by previous shell-model calculations compare favorably with the experimental one determined from this study.
Identifier: FSU_libsubv1_wos_000424379000002 (IID), 10.1103/PhysRevC.97.024308 (DOI)
Keywords: proton, region, nuclei, even ge, ge-68, ge-isotopes, high-spin states, low-lying states, negative-parity states, shape coexistence
Publication Note: The publisher's version of record is available at
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Owner Institution: FSU
Is Part Of: Physical Review C.
Issue: iss. 2, vol. 97

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Haring-Kaye, R. A., Morrow, S. I., Doring, J., Tabor, S. L., Le, K. Q., Allegro, P. R. P., … Tripathi, V. (2018). Multiple Band Structures In Ge-70. Physical Review C. Retrieved from