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Lifetime of 26S and...
Lifetime of 26S and a Limit for its 2p Decay Energy
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- Fomichev, A. S. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation
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- Mukha, I. G. (author)
- Universitat de Valencia
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- Stepantsov, S. V. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation
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- Grigorenko, L. V. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation,National Research Centre "Kurchatov Institute"
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- Litvinova, E. V. (author)
- Johann Wolfgang Goethe Universität Frankfurt am Main,Goethe University Frankfurt
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- Chudoba, V. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation,Slezska univerzita v Opave
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- Egorova, I. A. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation
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- Golovkov, M. S. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation
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- Gorshkov, A. V. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation
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- Gorshkov, V. A. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation
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- Kaminski, G. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation,M. V. Lomonosov Moscow State University
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- Krupko, S. A. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation
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- Parfenova, Y. L. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation,M. V. Lomonosov Moscow State University
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- Sidorchuk, S. I. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation
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- Slepnev, R. S. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation
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- Ter-Akopian, G. M. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation
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- Wolski, R. (author)
- Joint Institute for Nuclear Research (JINR), Russian Federation,Polish Academy of Sciences
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- Zhukov, Mikhail, 1943 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2012-05-02
- 2011
- English.
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In: International Journal of Modern Physics E. - : World Scientific Pub Co Pte Lt. - 0218-3013 .- 1793-6608. ; 20:6, s. 1491-1508
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http://dx.doi.org/10...
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http://arxiv.org/pdf...
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Abstract
Subject headings
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- The unknown isotope (26)S, expected to decay by two-proton (2p) emission, was studied theoretically and searched experimentally. The structure of this nucleus was examined within the relativistic mean field (RMF) approach. A method for taking into account the many-body structure in the three-body decay calculations was developed. The results of the RMF calculations were used as an input for the three-cluster decay model optimized for the study of a possible 2p decay branch of this nucleus. The experimental search for (26)S was performed by fragmentation of a 50.3 A MeV (32)S beam. No events of a particles table (26)S or (25)P (a presumably proton-unstable subsystem of (26)S) were observed. Based on the obtained production systematics, an upper half-life limit of T(1/2) 640 keV for (26)S. Analogous limits for (25)P are found as T(1/2) 110 keV. In the case that the one-proton emission is the main branch of the (26)S decay, a limit Q(2p) > 230 keV would follow for this nucleus. According to these limits, it is likely that (26)S resides in the picosecond life time range
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- Properties of nuclei
- nuclear energy
- shell
- drip lines
- light-nuclei
- 2-proton decay
- proton
- be-6
- fe-45
- halos
- neutron
- radioactivity
- mean-field-theory
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Fomichev, A. S.
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Mukha, I. G.
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Stepantsov, S. V ...
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Grigorenko, L. V ...
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Litvinova, E. V.
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Chudoba, V.
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show more...
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Egorova, I. A.
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Golovkov, M. S.
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Gorshkov, A. V.
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Gorshkov, V. A.
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Kaminski, G.
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Krupko, S. A.
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Parfenova, Y. L.
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Sidorchuk, S. I.
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Slepnev, R. S.
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Ter-Akopian, G. ...
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Wolski, R.
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Zhukov, Mikhail, ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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Chalmers University of Technology