WFRF:(Pakarinen P)
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Deformation and mixing of coexisting shapes in neutron-deficient polonium isotopes
- Kesteloot, N. (author)
- Bastin, B. (author)
- Gaffney, L. P. (author)
- show more...
- Wrzosek-Lipska, K. (author)
- Auranen, K. (author)
- Bauer, C. (author)
- Bender, M. (author)
- Bildstein, V. (author)
- Blazhev, A. (author)
- Boenig, S. (author)
- Bree, N. (author)
- Clement, E. (author)
- Cocolios, T. E. (author)
- Damyanova, A. (author)
- Darby, I. (author)
- De Witte, H. (author)
- Diriken, J. (author)
- Fransen, C. (author)
- Garcia-Ramos, J. E. (author)
- Gernhaeuser, R. (author)
- Grahn, T. (author)
- Heenen, P. -H. (author)
- Hess, H. (author)
- Heyde, K. (author)
- Huyse, M. (author)
- Iwanicki, J. (author)
- Jakobsson, U. (author)
- Konki, J. (author)
- Kroell, T. (author)
- Laurent, B. (author)
- Lecesne, N. (author)
- Lutter, R. (author)
- Pakarinen, J. (author)
- Peura, P. (author)
- Piselli, E. (author)
- Prochniak, L. (author)
- Rahkila, P. (author)
- Rapisarda, E. (author)
- Reiter, P. (author)
- Scheck, M. (author)
- Seidlitz, M. (author)
- Sferrazza, M. (author)
- Siebeck, B. (author)
- Sjodin, M. (author)
- Tornqvist, H. (author)
- Traykov, E. (author)
- Van De Walle, J. (author)
- Van Duppen, P. (author)
- Vermeulen, M. (author)
- Voulot, D. (author)
- Warr, N. (author)
- Wenander, F. (author)
- Wimmer, K. (author)
- Zielinska, M. (author)
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- (creator_code:org_t)
- 2015
- 2015
- English.
- In: Physical Review C (Nuclear Physics). - 0556-2813. ; 92:5
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Coulomb-excitation experiments are performed with postaccelerated beams of neutron-deficient Po-196,Po-198,Po-200,Po-202 isotopes at the REX-ISOLDE facility. A set of matrix elements, coupling the low-lying states in these isotopes, is extracted. In the two heaviest isotopes, Po-196,Po-198, the transitional and diagonal matrix elements of the 2(1)(+) state are determined. In Po-196,Po-198 multistep Coulomb excitation is observed, populating the 4(1)(+), 0(2)(+), and 2(2)(+) states. The experimental results are compared to the results from the measurement of mean-square charge radii in polonium isotopes, confirming the onset of deformation from Po-196 onwards. Three model descriptions are used to compare to the data. Calculations with the beyond-mean-field model, the interacting boson model, and the general Bohr Hamiltonian model show partial agreement with the experimental data. Finally, calculations with a phenomenological two-level mixing model hint at the mixing of a spherical structure with a weakly deformed rotational structure.
Subject headings
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
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- art (subject category)
- ref (subject category)
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- By the author/editor
- Kesteloot, N.
- Bastin, B.
- Gaffney, L. P.
- Wrzosek-Lipska, ...
- Auranen, K.
- Bauer, C.
- show more...
- Bender, M.
- Bildstein, V.
- Blazhev, A.
- Boenig, S.
- Bree, N.
- Clement, E.
- Cocolios, T. E.
- Damyanova, A.
- Darby, I.
- De Witte, H.
- Di Julio, Dougla ...
- Diriken, J.
- Fransen, C.
- Garcia-Ramos, J. ...
- Gernhaeuser, R.
- Grahn, T.
- Heenen, P. -H.
- Hess, H.
- Heyde, K.
- Huyse, M.
- Iwanicki, J.
- Jakobsson, U.
- Konki, J.
- Kroell, T.
- Laurent, B.
- Lecesne, N.
- Lutter, R.
- Pakarinen, J.
- Peura, P.
- Piselli, E.
- Prochniak, L.
- Rahkila, P.
- Rapisarda, E.
- Reiter, P.
- Scheck, M.
- Seidlitz, M.
- Sferrazza, M.
- Siebeck, B.
- Sjodin, M.
- Tornqvist, H.
- Traykov, E.
- Van De Walle, J.
- Van Duppen, P.
- Vermeulen, M.
- Voulot, D.
- Warr, N.
- Wenander, F.
- Wimmer, K.
- Zielinska, M.
- show less...
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- NATURAL SCIENCES
- NATURAL SCIENCES
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- Lund University
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