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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
physics and astronomy
Shell-structure and pairing interaction in superheavy nuclei: Rotational properties of the Z=104 nucleus Rf256
Physical Review Letters, Volume 109, No. 1, Article 012501, Year 2012
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Description
The rotational band structure of the Z=104 nucleus Rf256 has been observed up to a tentative spin of 20 using state-of-the-art γ-ray spectroscopic techniques. This represents the first such measurement in a superheavy nucleus whose stability is entirely derived from the shell-correction energy. The observed rotational properties are compared to those of neighboring nuclei and it is shown that the kinematic and dynamic moments of inertia are sensitive to the underlying single-particle shell structure and the specific location of high-j orbitals. The moments of inertia therefore provide a sensitive test of shell structure and pairing in superheavy nuclei which is essential to ensure the validity of contemporary nuclear models in this mass region. The data obtained show that there is no deformed shell gap at Z=104, which is predicted in a number of current self-consistent mean-field models. © 2012 American Physical Society.
Authors & Co-Authors
Greenlees, P. T.
Finland, Jyvaskyla
University of Jyväskylä
Rubert, J.
France, Strasbourg
Institut Pluridisciplinaire Hubert Curien
Piot, Julien
France, Strasbourg
Institut Pluridisciplinaire Hubert Curien
Gall, Benoît Jean Ppaul
France, Strasbourg
Institut Pluridisciplinaire Hubert Curien
Andersson, Lise Lotte
United Kingdom, Liverpool
University of Liverpool
Asai, Masato
Japan, Kashiwa
Japan Atomic Energy Agency
Asfari, Zouhair
France, Strasbourg
Institut Pluridisciplinaire Hubert Curien
Cox, D. M.
United Kingdom, Liverpool
University of Liverpool
Dechery, F.
France, Gif-sur-yvette
Cea Saclay
Dorvaux, Olivier
France, Strasbourg
Institut Pluridisciplinaire Hubert Curien
Grahn, Tuomas
Finland, Jyvaskyla
University of Jyväskylä
Hauschild, K.
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Henning, G.
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
United States, Lemont
Argonne National Laboratory
Herzáň, A.
Finland, Jyvaskyla
University of Jyväskylä
Herzberg, Rolf Dietmar
United Kingdom, Liverpool
University of Liverpool
Heßberger, Fritz Peter
Germany, Darmstadt
Gsi Helmholtz Centre for Heavy Ion Research Gmbh
Jakobsson, U.
Finland, Jyvaskyla
University of Jyväskylä
Jones, P. M.
Finland, Jyvaskyla
University of Jyväskylä
South Africa, Somerset West
Ithemba Laboratory for Accelerator-based Sciences
Julin, Rauno
Finland, Jyvaskyla
University of Jyväskylä
Juutinen, Sakari
Finland, Jyvaskyla
University of Jyväskylä
Ketelhut, S.
Finland, Jyvaskyla
University of Jyväskylä
Khoo, Teng Lek
United States, Lemont
Argonne National Laboratory
Leino, Matti E.
Finland, Jyvaskyla
University of Jyväskylä
Ljungvall, Joa
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Lopez-Martens, Araceli P.
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Lozeva, Radomira L.
France, Strasbourg
Institut Pluridisciplinaire Hubert Curien
Nieminen, Petteri H.
Finland, Jyvaskyla
University of Jyväskylä
Pakarinen, Janne
Switzerland, Geneva
Organisation Européenne Pour la Recherche Nucléaire
Papadakis, P.
United Kingdom, Liverpool
University of Liverpool
Parr, Edward J.
United Kingdom, Liverpool
University of Liverpool
Peura, P.
Finland, Jyvaskyla
University of Jyväskylä
Rahkila, Panu M.
Finland, Jyvaskyla
University of Jyväskylä
Rinta-Antila, Sami
Finland, Jyvaskyla
University of Jyväskylä
Ruotsalainen, P.
Finland, Jyvaskyla
University of Jyväskylä
Sandzelius, Mikael
Finland, Jyvaskyla
University of Jyväskylä
Sarén, Jan J.
Finland, Jyvaskyla
University of Jyväskylä
Scholey, Catherine S.
Finland, Jyvaskyla
University of Jyväskylä
Seweryniak, Dariusz
United States, Lemont
Argonne National Laboratory
Sorri, Juha
Finland, Jyvaskyla
University of Jyväskylä
Sulignano, Barbara
France, Gif-sur-yvette
Cea Saclay
Theisen, Ch
France, Gif-sur-yvette
Cea Saclay
Uusitalo, Juha
Finland, Jyvaskyla
University of Jyväskylä
Venhart, Martin
Slovakia, Bratislava
Institute of Physics Slovak Academy of Sciences
Statistics
Citations: 45
Authors: 43
Affiliations: 11
Identifiers
Doi:
10.1103/PhysRevLett.109.012501
ISSN:
00319007
e-ISSN:
10797114
Research Areas
Cancer