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Hindered Gamow-Tell...
Hindered Gamow-Teller Decay to the Odd-Odd N=Z 62Ga: Absence of Proton-Neutron T=0 Condensate in A=62
- Article/chapterEnglish2014
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2014
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4 s.
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electronicrdacarrier
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LIBRIS-ID:oai:lup.lub.lu.se:9f9c3fe5-582c-4ee2-9f3d-a26ac510edbb
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https://lup.lub.lu.se/record/4645690URI
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https://doi.org/10.1103/PhysRevLett.113.092501DOI
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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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Search for a new kind of superfluidity built on collective proton-neutron pairs with aligned spin is performed studying the Gamow-Teller decay of the T=1, Jπ=0+ ground state of Ge62 into excited states of the odd-odd N=Z nucleus Ga62. The experiment is performed at GSI Helmholtzzentrum für Schwerionenforschung with the Ge62 ions selected by the fragment separator and implanted in a stack of Si-strip detectors, surrounded by the RISING Ge array. A half-life of T1/2=82.9(14) ms is measured for the Ge62 ground state. Six excited states of Ga62, populated below 2.5 MeV through Gamow-Teller transitions, are identified. Individual Gamow-Teller transition strengths agree well with theoretical predictions of the interacting shell model and the quasiparticle random phase approximation. The absence of any sizable low-lying Gamow-Teller strength in the reported beta-decay experiment supports the hypothesis of a negligible role of coherent T=0 proton-neutron correlations in Ga62.
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Gadea, A.
(author)
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Sarriguren, P.
(author)
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Lenzi, S. M.
(author)
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Grebosz, J.
(author)
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Valiente-Dobón, J. J.
(author)
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Algora, A.
(author)
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Górska, M.
(author)
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Regan, P. H.
(author)
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Rudolph, DirkLund University,Lunds universitet,Kärnfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Nuclear physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)kosu-dru
(author)
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de Angelis, G.
(author)
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Agramunt, J.
(author)
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Alkhomashi, N.
(author)
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Amon Susam, L.
(author)
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Bazzacco, D.
(author)
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Benlliure, J.
(author)
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Benzoni, G.
(author)
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Boutachkov, P.
(author)
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Bracco, A.
(author)
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Caceres, L.
(author)
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Cakirli, R. B.
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Crespi, F. C. L.
(author)
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Domingo-Pardo, C.
(author)
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Doncel, M.
(author)
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Dombrádi, Zs.
(author)
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Doornenbal, P.
(author)
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Farnea, E.
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Ganioğlu, E.
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Gelletly, W.
(author)
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Gerl, J.
(author)
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Gottardo, A.
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Hüyük, T.
(author)
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Kurz, N.
(author)
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Leoni, S.
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Mengoni, D.
(author)
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Molina, F.
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Morales, A. I.
(author)
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Orlandi, R.
(author)
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Oktem, Y.
(author)
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Page, R. D.
(author)
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Perez, D.
(author)
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Pietri, S.
(author)
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Podolyák, Zs.
(author)
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Poves, A.
(author)
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Quintana, B.
(author)
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Rinta-Antila, S.
(author)
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Rubio, B.
(author)
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Nara Singh, B. S.
(author)
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Steer, A. N.
(author)
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Verma, S.
(author)
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Wadsworth, R.
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Wieland, O.
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Wollersheim, H. J.
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KärnfysikFysiska institutionen
(creator_code:org_t)
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In:Physical Review Letters113:91079-7114
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- By the author/editor
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Grodner, E.
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Gadea, A.
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Sarriguren, P.
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Lenzi, S. M.
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Grebosz, J.
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Valiente-Dobón, ...
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show more...
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Algora, A.
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Górska, M.
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Regan, P. H.
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Rudolph, Dirk
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de Angelis, G.
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Agramunt, J.
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Alkhomashi, N.
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Amon Susam, L.
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Bazzacco, D.
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Benlliure, J.
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Benzoni, G.
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Boutachkov, P.
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Bracco, A.
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Caceres, L.
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Cakirli, R. B.
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Crespi, F. C. L.
-
Domingo-Pardo, C ...
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Doncel, M.
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Dombrádi, Zs.
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Doornenbal, P.
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Farnea, E.
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Ganioğlu, E.
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Gelletly, W.
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Gerl, J.
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Gottardo, A.
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Hüyük, T.
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Kurz, N.
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Leoni, S.
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Mengoni, D.
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Molina, F.
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Morales, A. I.
-
Orlandi, R.
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Oktem, Y.
-
Page, R. D.
-
Perez, D.
-
Pietri, S.
-
Podolyák, Zs.
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Poves, A.
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Quintana, B.
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Rinta-Antila, S.
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Rubio, B.
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Nara Singh, B. S ...
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Steer, A. N.
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Verma, S.
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Wadsworth, R.
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Wieland, O.
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Wollersheim, H. ...
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