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One- and two-phonon wobbling excitations in triaxial Lu-165
- Schonwasser, G (author)
- Hubel, H (author)
- Hagemann, GB (author)
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- Bednarczyk, P (author)
- Benzoni, G (author)
- Bracco, A (author)
- Bringel, P (author)
- Chapman, R (author)
- Curien, D (author)
- Domscheit, J (author)
- Herskind, B (author)
- Jensen, DR (author)
- Leoni, S (author)
- Lo Bianco, G (author)
- Ma, WC (author)
- Maj, A (author)
- Neusser, A (author)
- Odegard, SW (author)
- Petrache, CM (author)
- Rossach, D (author)
- Spohr, KH (author)
- Singh, AK (author)
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- (creator_code:org_t)
- 2003
- 2003
- English.
- In: Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics. - 0370-2693. ; 552:1-2, s. 9-16
- Journal article (peer-reviewed)
Abstract
Subject headings
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- High-spin states in Lu-165 have been investigated by in-beam gamma-ray coincidence spectroscopy using the EUROBALL spectrometer array. Two new excited rotational bands have been discovered with features similar to a previously known triaxial superdeformed band in that nucleus. Comparison of the decay pattern of these bands, in particular the unusually large E2 transition strength from the first excited to the yrast superdeformed band, to theoretical calculations shows that they belong to a family of wobbling excitations with phonon numbers n(w) = 0, 1 and 2. These results, together with evidence for nuclear wobbling in the neighbouring isotopes Lu-163 and Lu-167, firmly establish this mode of excitation in the A = 165 mass region. The observation of wobbling is a unique signature of stable nuclear triaxiality. (C) 2002 Elsevier Science B.V. All rights reserved.
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
Keyword
- nuclear energy levels
- wobbling excitation
- triaxial superdeformation
Publication and Content Type
- art (subject category)
- ref (subject category)
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- Schonwasser, G
- Hubel, H
- Hagemann, GB
- Bednarczyk, P
- Benzoni, G
- Bracco, A
- show more...
- Bringel, P
- Chapman, R
- Curien, D
- Domscheit, J
- Herskind, B
- Jensen, DR
- Leoni, S
- Lo Bianco, G
- Ma, WC
- Maj, A
- Neusser, A
- Odegard, SW
- Petrache, CM
- Rossach, D
- Ryde, Hans
- Spohr, KH
- Singh, AK
- show less...
- About the subject
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- NATURAL SCIENCES
- NATURAL SCIENCES
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- and Subatomic Physic ...
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- Physics Letters. ...
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- Lund University
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