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Properties of the 12C 10 MeV state determined through β-decay

Diget, C. Aa ; Barker, F. C. ; Borge, M. J G ; Cederkäll, J. LU ; Fedosseev, V. N. ; Fraile, L. M. ; Fulton, B. R. ; Fynbo, H. O U ; Jeppesen, H. B. and Jonson, B. , et al. (2005) In Nuclear Physics A 760(1-2). p.3-18
Abstract

The β-delayed triple-α particle decay of 12B has been measured with a setup that favours coincidence detection. A broad state in 12C, previously reported around 10 MeV, has been seen and its properties determined through R-matrix analysis of the excitation spectrum. The spin and parity are 0+. Interference between this state and the Hoyle state at 7.654 MeV has a marked influence on the spectrum. The coupling between the two states makes it difficult to determine the resonance energy.

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publishing date
type
Contribution to journal
publication status
published
keywords
Radioactivity
in
Nuclear Physics A
volume
760
issue
1-2
pages
16 pages
publisher
Elsevier
external identifiers
  • scopus:23944495274
ISSN
0375-9474
DOI
10.1016/j.nuclphysa.2005.05.159
language
English
LU publication?
no
id
ece6ac6b-2e88-4032-a351-4a5257391b93
date added to LUP
2016-12-20 14:13:25
date last changed
2022-01-30 08:43:21
@article{ece6ac6b-2e88-4032-a351-4a5257391b93,
  abstract     = {{<p>The β-delayed triple-α particle decay of <sup>12</sup>B has been measured with a setup that favours coincidence detection. A broad state in <sup>12</sup>C, previously reported around 10 MeV, has been seen and its properties determined through R-matrix analysis of the excitation spectrum. The spin and parity are 0<sup>+</sup>. Interference between this state and the Hoyle state at 7.654 MeV has a marked influence on the spectrum. The coupling between the two states makes it difficult to determine the resonance energy.</p>}},
  author       = {{Diget, C. Aa and Barker, F. C. and Borge, M. J G and Cederkäll, J. and Fedosseev, V. N. and Fraile, L. M. and Fulton, B. R. and Fynbo, H. O U and Jeppesen, H. B. and Jonson, B. and Köster, U. and Meister, M. and Nilsson, T. and Nyman, G. and Prezado, Y. and Riisager, K. and Rinta-Antila, S. and Tengblad, O. and Turrion, M. and Wilhelmsen, K. and Äystö, J.}},
  issn         = {{0375-9474}},
  keywords     = {{Radioactivity}},
  language     = {{eng}},
  month        = {{10}},
  number       = {{1-2}},
  pages        = {{3--18}},
  publisher    = {{Elsevier}},
  series       = {{Nuclear Physics A}},
  title        = {{Properties of the 12C 10 MeV state determined through β-decay}},
  url          = {{http://dx.doi.org/10.1016/j.nuclphysa.2005.05.159}},
  doi          = {{10.1016/j.nuclphysa.2005.05.159}},
  volume       = {{760}},
  year         = {{2005}},
}