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Search: WFRF:(Jonson Björn 1941 ) > (2000-2004) > On the beta-decay o...

  • Bergmann, U. C. (author)

On the beta-decay of C-9

  • Article/chapterEnglish2001

Publisher, publication year, extent ...

  • 2001

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:aa89026b-f47a-4e03-91f1-b45e9a78dcfe
  • https://research.chalmers.se/publication/10888URI
  • https://doi.org/10.1016/S0375-9474(01)00650-9DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • In beta -decay experiments on C-9 at CERN/ISOLDE the beta -strength was determined to the ground state, the 12.2 MeV excited state and the Isobaric Analog State (IAS) at 14.655 MeV in B-9. A large beta -strength asymmetry is deduced for the mirror transitions of C-9 and Li-9 to states around 12 MeV excitation energy. A satisfactory description of the three-body decay from a narrow energy region around the 12.2 MeV resonance is obtained within a sequential model involving the ground and first-excited states of Li-5 and Be-8. From the study of angular correlations the spin of the 12.2 MeV state is determined as 5/2(-). For the first time the population of the IAS is observed in beta -decay and new information on the decay of this state is obtained. The advantages of a closely packed. highly segmented detector setup are demonstrated. (C) 2001 Elsevier Science B.V. All rights reserved.

Subject headings and genre

  • NATURVETENSKAP Fysik Subatomär fysik hsv//swe
  • NATURAL SCIENCES Physical Sciences Subatomic Physics hsv//eng
  • SHELL-MODEL
  • measured beta-delayed E-p
  • double-sided silicon strip detectors
  • EMISSION
  • X)]
  • STATES
  • DELAYED PROTON
  • p
  • NUCLEAR SYSTEM
  • Ca(p
  • mass-separated source
  • angular correlations
  • A=9 beta-decay asymmetry.
  • LIGHT-NUCLEI
  • CONTINUUM
  • LI-9
  • strengths
  • B-9 deduced beta-branching
  • decay mechanism features
  • alpha alpha-coin.
  • E alpha
  • ASYMMETRY
  • C-9(beta(+)) [from O
  • DRIP-LINE

Added entries (persons, corporate bodies, meetings, titles ...)

  • Borge, M. J. G. (author)
  • Boutami, R. (author)
  • Fraile, L. M. (author)
  • Fynbo, H. O. U. (author)
  • Hornshoj, P. (author)
  • Jonson, Björn,1941Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)bjn (author)
  • Markenroth, Karin,1973Chalmers tekniska högskola,Chalmers University of Technology (author)
  • Martel, I. (author)
  • Mukha, I. (author)
  • Nilsson, Thomas,1965Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)tnilsson (author)
  • Nyman, Göran Hugo,1943Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)f2bgn (author)
  • Oberstedt, A. (author)
  • Alonso, Y. P. (author)
  • Riisager, K. (author)
  • Simon, H. (author)
  • Tengblad, O. (author)
  • Wenander, Fredrik,1969 (author)
  • Wilhelmsen Rolander, Katarina,1962Chalmers tekniska högskola,Chalmers University of Technology (author)
  • Chalmers tekniska högskola (creator_code:org_t)

Related titles

  • In:Nuclear Physics A692:3-4, s. 427-4500375-9474

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