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Superallowed Gamow-Teller decay of the doubly magic nucleus 100Sn
-
- Hinke, C. B. (author)
- Physik Department E12, Technische Universität München, D-85748 Garching, Germany
- Boehmer, M. (author)
- Boutachkov, P. (author)
- show more...
- Faestermann, T. (author)
- Geissel, H. (author)
- Gerl, J. (author)
- Gernhaeuser, R. (author)
- Gorska, M. (author)
- Gottardo, A. (author)
- Grawe, H. (author)
- Grebosz, J. L. (author)
- Kruecken, R. (author)
- Kurz, N. (author)
- Liu, Z. (author)
- Maier, L. (author)
- Nowacki, F. (author)
- Podolyak, Zs (author)
- Sieja, K. (author)
- Steiger, K. (author)
- Straub, K. (author)
- Weick, H. (author)
- Wollersheim, H. -J (author)
- Woods, P. J. (author)
- Al-Dahan, N. (author)
- Alkhomashi, N. (author)
- Blazhev, A. (author)
- Braun, N. F. (author)
- Celikovic, I. T. (author)
- Davinson, T. (author)
- Dillmann, I. (author)
- Domingo-Pardo, C. (author)
- Doornenbal, P. C. (author)
- de France, G. (author)
- Farrelly, G. F. (author)
- Farinon, F. (author)
- Goel, N. (author)
- Habermann, T. C. (author)
- Hoischen, R. (author)
- Janik, R. (author)
- Karny, M. (author)
- Kaskas, A. (author)
- Kojouharov, I. M. (author)
- Kroell, Th (author)
- Litvinov, Y. (author)
- Myalski, S. (author)
- Nebel, F. (author)
- Nishimura, S. (author)
- Nociforo, C. (author)
- Parikh, A. R. (author)
- Prochazka, A. (author)
- Regan, P. H. (author)
- Rigollet, C. (author)
- Schaffner, H. (author)
- Scheidenberger, C. (author)
- Schwertel, S. (author)
- Soederstroem, P. -A (author)
- Steer, S. J. (author)
- Stolz, A. (author)
- Strmen, P. (author)
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- (creator_code:org_t)
- 2012-06-20
- 2012
- English.
- In: Nature. - : Springer Science and Business Media LLC. - 0028-0836 .- 1476-4687. ; 486:7403, s. 341-345
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- The shell structure of atomic nuclei is associated with 'magic numbers' and originates in the nearly independent motion of neutrons and protons in a mean potential generated by all nucleons. During beta(+)-decay, a proton transforms into a neutron in a previously not fully occupied orbital, emitting a positron-neutrino pair with either parallel or antiparallel spins, in a Gamow-Teller or Fermi transition, respectively. The transition probability, or strength, of a Gamow-Teller transition depends sensitively on the underlying shell structure and is usually distributed among many states in the neighbouring nucleus. Here we report measurements of the half-life and decay energy for the decay of Sn-100, the heaviest doubly magic nucleus with equal numbers of protons and neutrons. In the beta-decay of Sn-100, a large fraction of the strength is observable because of the large decay energy. We determine the largest Gamow-Teller strength so far measured in allowed nuclear beta-decay, establishing the 'superallowed' nature of this Gamow-Teller transition. The large strength and the low-energy states in the daughter nucleus, In-100, are well reproduced by modern, large-scale shell model calculations.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
- Hinke, C. B.
- Boehmer, M.
- Boutachkov, P.
- Faestermann, T.
- Geissel, H.
- Gerl, J.
- show more...
- Gernhaeuser, R.
- Gorska, M.
- Gottardo, A.
- Grawe, H.
- Grebosz, J. L.
- Kruecken, R.
- Kurz, N.
- Liu, Z.
- Maier, L.
- Nowacki, F.
- Pietri, S.
- Podolyak, Zs
- Sieja, K.
- Steiger, K.
- Straub, K.
- Weick, H.
- Wollersheim, H. ...
- Woods, P. J.
- Al-Dahan, N.
- Alkhomashi, N.
- Atac Nyberg, Ays ...
- Blazhev, A.
- Braun, N. F.
- Celikovic, I. T.
- Davinson, T.
- Dillmann, I.
- Domingo-Pardo, C ...
- Doornenbal, P. C ...
- de France, G.
- Farrelly, G. F.
- Farinon, F.
- Goel, N.
- Habermann, T. C.
- Hoischen, R.
- Janik, R.
- Karny, M.
- Kaskas, A.
- Kojouharov, I. M ...
- Kroell, Th
- Litvinov, Y.
- Myalski, S.
- Nebel, F.
- Nishimura, S.
- Nociforo, C.
- Nyberg, Johan
- Parikh, A. R.
- Prochazka, A.
- Regan, P. H.
- Rigollet, C.
- Schaffner, H.
- Scheidenberger, ...
- Schwertel, S.
- Soederstroem, P. ...
- Steer, S. J.
- Stolz, A.
- Strmen, P.
- show less...
- About the subject
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- NATURAL SCIENCES
- NATURAL SCIENCES
- and Physical Science ...
- Articles in the publication
- Nature
- By the university
- Uppsala University
- Royal Institute of Technology
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