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Occurrence of high-lying rotational bands in the interacting boson model
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SYSNO ASEP 0346484 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Occurrence of high-lying rotational bands in the interacting boson model Author(s) Macek, M. (CZ)
Dobeš, Jan (UJF-V) RID, SAI, ORCID
Cejnar, P. (CZ)Source Title Physical Review. C - ISSN 0556-2813
Roč. 82, č. 1 (2010), 014308/1-014308/11Number of pages 11 s. Language eng - English Country US - United States Keywords NUCLEAR COLLECTIVE MODELS ; QUASI-DYNAMIC SYMMETRY ; PHASE-TRANSITIONS Subject RIV BE - Theoretical Physics R&D Projects GA202/09/0084 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z10480505 - UJF-V (2005-2011) UT WOS 000280007100003 DOI 10.1103/PhysRevC.82.014308 Annotation We observe an adiabatic separation of collective rotations built upon a subset of intrinsic vibrational states within the interacting boson model (IBM) in the parameter domains corresponding to axially deformed ground state. The effect is not limited only to the low-lying states and closely follows the variation of quantum and classical measures of regularity. It leads to the existence of rotational bands even close to the highest accessible energies in specific regions within the IBM symmetry triangle. We propose a more general effect of regular intrinsic dynamics on the adiabatic separation of intrinsic and collective motion. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2011
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