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R-matrix analysis of the beta decays of 12N and 12B
- Hyldegaard, S. (author)
- Alcorta, M. (author)
- Bastin, B. (author)
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- Borge, M. J. G. (author)
- Boutami, R. (author)
- Brandenburg, S. (author)
- Buscher, J. (author)
- Dendooven, P. (author)
- Diget, C. Aa. (author)
- Van Duppen, P. (author)
- Eronen, T. (author)
- Fox, S. P. (author)
- Fraile, L. M. (author)
- Fulton, B. R. (author)
- Fynbo, H. O. U. (author)
- Huikari, J. (author)
- Huyse, M. (author)
- Jeppesen, H. B. (author)
- Jokinen, A. S. (author)
- Jungmann, K. (author)
- Kankainen, A. (author)
- Kirsebom, O. S. (author)
- Madurga, M. (author)
- Moore, I. (author)
- Nieminen, A. (author)
- Onderwater, G.J.G. (author)
- Penttilä, H. (author)
- Peräjärvi, K. (author)
- Raabe, R. (author)
- Riisager, K. (author)
- Rinta-Antila, S. (author)
- Rogachevskiy, A. (author)
- Saastamoinen, A. (author)
- Sohani, M. (author)
- Tengblad, Olof, 1957 (author)
- Traykov, E. (author)
- Wang, Y. (author)
- Wilschut, H.W. (author)
- Aysto, J. (author)
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- (creator_code:org_t)
- 2010
- 2010
- English.
- In: Physical Review C - Nuclear Physics. - 2469-9985 .- 2469-9993. ; 81:2
- Journal article (peer-reviewed)
Abstract
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- The β decays of 12N and 12B have been studied at KVI and JYFL to resolve the composition of the broad and interfering 0+ and 2+ strengths in the triple-α continuum. For the first time a complete treatment of 3α decay is presented including all major breakup channels. A multilevel, many-channel R-matrix formalism has been developed for the complete description of the breakup in combination with the recently published separate analysis of angular correlations. We find that, in addition to the Hoyle state at 7.65 MeV, more than one 0+ and 2+ state is needed to reproduce the spectra. Broad 03+ and 22+ states are found between 10.5 and 12 MeV in this work. The presence of β strength up to the 12N Q-value window suggests the presence of additional 0+ and 2+ components in the 12C structure at energies above 12.7 MeV.
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
- Hyldegaard, S.
- Alcorta, M.
- Bastin, B.
- Borge, M. J. G.
- Boutami, R.
- Brandenburg, S.
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- Buscher, J.
- Dendooven, P.
- Diget, C. Aa.
- Van Duppen, P.
- Eronen, T.
- Fox, S. P.
- Fraile, L. M.
- Fulton, B. R.
- Fynbo, H. O. U.
- Huikari, J.
- Huyse, M.
- Jeppesen, H. B.
- Jokinen, A. S.
- Jonson, Björn, 1 ...
- Jungmann, K.
- Kankainen, A.
- Kirsebom, O. S.
- Madurga, M.
- Moore, I.
- Nieminen, A.
- Nilsson, Thomas, ...
- Nyman, Göran Hug ...
- Onderwater, G.J. ...
- Penttilä, H.
- Peräjärvi, K.
- Raabe, R.
- Riisager, K.
- Rinta-Antila, S.
- Rogachevskiy, A.
- Saastamoinen, A.
- Sohani, M.
- Tengblad, Olof, ...
- Traykov, E.
- Wang, Y.
- Wilhelmsen, Kata ...
- Wilschut, H.W.
- Aysto, J.
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- About the subject
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- NATURAL SCIENCES
- NATURAL SCIENCES
- and Physical Science ...
- and Subatomic Physic ...
- Articles in the publication
- Physical Review ...
- By the university
- Chalmers University of Technology
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