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Open Access item Ar-31 examined: New limit on the β-delayed three-proton branch

Authors:Fynbo, H. O. U.
Axelsson, L.
Äystö, J.
García Borge, María José
Fraile, Luis M.
Honkanen, A.
Hornshøj, P.
Jading, Y.
Jokinen, A.
Jonson, B.
Martel, Ismael
Mukha, I.
Nilsson, T.
Nyman, G.
Oinonen, M.
Riisager, K.
Siiskonen, T.
Smedberg, M. H.
Tengblad, Olof
Wenander, F.
Keywords:[PACS] Other topics in radioactive decay and in-beam spectroscopy, [PACS] Relation with nuclear matrix elements and nuclear structure, [PACS] Other resonances, [PACS] Properties of specific nuclei listed by mass ranges: 20 ≤ A ≤ 38
Issue Date:Apr-1999
Publisher:American Physical Society
Citation:Physical Review C 59(4): 2275-2277 (1999)
Abstract:We have remeasured the decay of Ar-31 with a setup sensitive to multiparticle decay branches and obtained a new limit of 1.1 x 10(-3) (99% C.L.) on the β-delayed three-proton branch between the isobaric analog state in Cl-31 and the ground state of Si-28. This a factor of 17 below the previously reported first observation of β-delayed three-proton emission in Ar-31. The limit on a possible β3p branch to the first excited state in Si-28 is 2.9 x 10(-4).
Description:3 pages, 2 figures, 1 table.-- PACS nrs.: 23.90.+w, 23.40.Hc, 24.30.Gd, 27.30.+t.
Publisher version (URL):http://dx.doi.org/10.1103/PhysRevC.59.2275
Appears in Collections:(CFMAC-IEM) Artículos

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