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Study of the Giant ...
Study of the Giant Gamow-Teller Resonance in Nuclear Beta-Decay - the Case of Ar-32
- Article/chapterEnglish1985
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LIBRIS-ID:oai:research.chalmers.se:1b82205b-b003-4946-bd7a-45684f5fbdc3
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https://research.chalmers.se/publication/10968URI
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https://doi.org/10.1016/0375-9474(85)90264-7DOI
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Language:English
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Summary in:English
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Delayed proton and gamma emissions following the β-decay of 32Ar have been studied. The half-life of 32Ar is 98 ± 2 ms, and the T = 2 analogue state in 32Cl lies at the excitation energy 5036 ± 12 keV. From the intensity of the feeding to this state the proton intensities can be converted to an absolute scale leading to a total proton branching ratio of (43 ± 3)%. From proton-gamma coincidence measurements it emerges that (1.9 ± 0.2)% of the protons lead to the first-excited state in 31S. A level scheme up to 8.75 MeV excitation in 32Cl has been constructed and the Gamow-Teller strength function has been deduced. The result is a renormalization of the axial-vector strength to (49 ± 5)% of the free-nucleon value.
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Borge, M. J. G.
(author)
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Dessagne, P.
(author)
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Vondincklage, R. D.
(author)
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Ewan, G. T.
(author)
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Hansen, P. G.
(author)
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Huck, A.
(author)
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Jonson, Björn,1941Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)bjn
(author)
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Klotz, G.
(author)
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Knipper, A.
(author)
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Larsson, P. O.
(author)
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Nyman, Göran Hugo,1943Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)f2bgn
(author)
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Ravn, H. L.
(author)
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Richardserre, C.
(author)
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Riisager, K.
(author)
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Schardt, D.
(author)
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Walter, G.
(author)
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Chalmers tekniska högskola
(creator_code:org_t)
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In:Nuclear Physics A: Elsevier BV443:2, s. 283-3010375-9474
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Bjornstad, T.
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Borge, M. J. G.
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Dessagne, P.
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Vondincklage, R. ...
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Ewan, G. T.
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Hansen, P. G.
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Huck, A.
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Jonson, Björn, 1 ...
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Klotz, G.
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Knipper, A.
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Larsson, P. O.
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Nyman, Göran Hug ...
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Ravn, H. L.
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Richardserre, C.
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Riisager, K.
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Schardt, D.
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Walter, G.
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Chalmers University of Technology