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On the beta-decay o...
On the beta-decay of C-9
- Article/chapterEnglish2001
Publisher, publication year, extent ...
Numbers
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LIBRIS-ID:oai:research.chalmers.se:aa89026b-f47a-4e03-91f1-b45e9a78dcfe
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https://research.chalmers.se/publication/10888URI
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https://doi.org/10.1016/S0375-9474(01)00650-9DOI
Supplementary language notes
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Language:English
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Summary in:English
Part of subdatabase
Classification
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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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
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NATURVETENSKAP Fysik Subatomär fysik hsv//swe
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NATURAL SCIENCES Physical Sciences Subatomic Physics hsv//eng
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SHELL-MODEL
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measured beta-delayed E-p
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double-sided silicon strip detectors
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EMISSION
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X)]
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STATES
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DELAYED PROTON
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p
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NUCLEAR SYSTEM
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Ca(p
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mass-separated source
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angular correlations
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A=9 beta-decay asymmetry.
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LIGHT-NUCLEI
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CONTINUUM
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LI-9
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strengths
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B-9 deduced beta-branching
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decay mechanism features
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alpha alpha-coin.
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E alpha
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ASYMMETRY
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C-9(beta(+)) [from O
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DRIP-LINE
Added entries (persons, corporate bodies, meetings, titles ...)
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Borge, M. J. G.
(author)
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Boutami, R.
(author)
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Fraile, L. M.
(author)
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Fynbo, H. O. U.
(author)
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Hornshoj, P.
(author)
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Jonson, Björn,1941Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)bjn
(author)
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Markenroth, Karin,1973Chalmers tekniska högskola,Chalmers University of Technology
(author)
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Martel, I.
(author)
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Mukha, I.
(author)
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Nilsson, Thomas,1965Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)tnilsson
(author)
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Nyman, Göran Hugo,1943Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)f2bgn
(author)
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Oberstedt, A.
(author)
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Alonso, Y. P.
(author)
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Riisager, K.
(author)
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Simon, H.
(author)
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Tengblad, O.
(author)
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Wenander, Fredrik,1969
(author)
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Wilhelmsen Rolander, Katarina,1962Chalmers tekniska högskola,Chalmers University of Technology
(author)
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Chalmers tekniska högskola
(creator_code:org_t)
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In:Nuclear Physics A692:3-4, s. 427-4500375-9474
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Bergmann, U. C.
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Borge, M. J. G.
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Boutami, R.
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Fraile, L. M.
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Fynbo, H. O. U.
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Hornshoj, P.
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Mukha, I.
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Oberstedt, A.
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Alonso, Y. P.
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Riisager, K.
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