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The beta 2p decay m...
The beta 2p decay mechanism of Ar-31
- Article/chapterEnglish2000
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LIBRIS-ID:oai:research.chalmers.se:d346e8e0-95cc-48b9-b466-fb45cb0db118
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https://research.chalmers.se/publication/127920URI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
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We have measured the beta-decay of Ar-31 with a high granularity setup sensitive to multiparticle decay branches. Two-proton emission is observed from the isobaric analog state in Cl-31 to the four lowest states in P-29 and furthermore from a large number of states fed in Gamow-Teller transitions. The mechanism of two-proton emission is studied via energy and angular correlations between the two protons. In all cases the mechanism is found to be sequential yielding information about states in S-30 up to 8 MeV excitation energy. Improved data on the beta-delayed one-proton branches together with the two-proton data provide precise information about the beta-strength distribution up to 15 MeV excitation energy.
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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ar-31(beta(+)(p)) [from ca(p
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t
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pp energy and angular correlations
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radioactivity
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double sided si strip detector
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on-line mass separation
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cao target
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branching ratios
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s-30
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ar-31 deduced beta 1p and beta 2p decay channels
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ca-35
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si p-i-n detectors
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measured beta-delayed protons e-p
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3pxn) reaction]
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delayed 2-proton emission
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modes
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nuclei
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be-6
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surface barrier si detector
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cl-31 deduced levels
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pi
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al-22
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e-2p
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proton emission
Added entries (persons, corporate bodies, meetings, titles ...)
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Borge, M. J. G.
(author)
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Axelsson, Leif,1970Chalmers tekniska högskola,Chalmers University of Technology
(author)
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Aysto, J.
(author)
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Bergmann, U. C.
(author)
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Fraile, L. M.
(author)
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Honkanen, A.
(author)
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Hornshoj, P.
(author)
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Jading, Y.
(author)
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Jokinen, A.
(author)
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Jonson, Björn,1941Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)bjn
(author)
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Martel, I.
(author)
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Mukha, I.
(author)
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Nilsson, Thomas,1965
(author)
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Nyman, Göran Hugo,1943Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)f2bgn
(author)
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Oinonen, M.
(author)
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Piqueras, I.
(author)
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Riisager, K.
(author)
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Siiskonen, T.
(author)
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Smedberg, Martin,1967Chalmers tekniska högskola,Chalmers University of Technology
(author)
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Tengblad, O.
(author)
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Thaysen, J.
(author)
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Wenander, Fredrik,1969Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)wenander
(author)
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Chalmers tekniska högskola
(creator_code:org_t)
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In:Nuclear Physics A677, s. 38-600375-9474
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Fynbo, H. O. U.
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Borge, M. J. G.
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Axelsson, Leif, ...
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Aysto, J.
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Bergmann, U. C.
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Fraile, L. M.
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show more...
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Honkanen, A.
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Hornshoj, P.
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Jading, Y.
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Jokinen, A.
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Jonson, Björn, 1 ...
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Martel, I.
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Mukha, I.
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Nilsson, Thomas, ...
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Nyman, Göran Hug ...
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Oinonen, M.
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Piqueras, I.
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Riisager, K.
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Siiskonen, T.
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Smedberg, Martin ...
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Tengblad, O.
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Thaysen, J.
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Wenander, Fredri ...
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