Universität zu Köln

Albers, M., Muecher, D., Bernards, C., Blazhev, A., Fransen, C., Heinze, S., Jolie, J., Lisetskiy, A., Petkov, P., Radeck, D. and Zell, K. O. (2010). Multiphonon excitations in Zn-62. Nucl. Phys. A, 847 (3-4). S. 180 - 207. AMSTERDAM: ELSEVIER SCIENCE BV. ISSN 0375-9474

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Abstract

We studied excited states in Zn-62 up to an excitation energy of 5.5 MeV via the Ni-61(He-3, 2n gamma) reaction at the Cologne Tandem accelerator with the high-efficiency HORUS cube spectrometer. We identified several multi-phonon excitations, especially two fragments of the one-phonon mixed-symmetry state 2(1,MS)(+) based on effective M1 and E2 transition strengths. The quantities were obtained from gamma gamma angular correlation and Doppler-shift measurements. Shell-model calculations performed for Zn-62 give clear support for the fragmentation of the one-phonon mixed-symmetry 2(1,MS)(+) state. The assumption of Zn-62 being a vibrator-like nucleus is supported by calculations of excitation energies and E2 and M1 transition strengths within the U(5) limit of the neutron-proton Interacting Boson Model. (C) 2010 Elsevier B.V. All rights reserved.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Albers, M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Muecher, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bernards, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Blazhev, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Fransen, C. UNSPECIFIED UNSPECIFIED UNSPECIFIED Heinze, S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Jolie, J. UNSPECIFIED UNSPECIFIED UNSPECIFIED Lisetskiy, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Petkov, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Radeck, D. UNSPECIFIED UNSPECIFIED UNSPECIFIED Zell, K. O. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-490796
DOI:	10.1016/j.nuclphysa.2010.07.011
Journal or Publication Title:	Nucl. Phys. A
Volume:	847
Number:	3-4
Page Range:	S. 180 - 207
Date:	2010
Publisher:	ELSEVIER SCIENCE BV
Place of Publication:	AMSTERDAM
ISSN:	0375-9474
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language Physics, Nuclear Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/49079