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Closed Access item Determination of the spin of Ar-31

Authors:Thaysen, J.
Axelsson, L.
Äystö, J.
García Borge, María José
Fraile, Luis M.
Fynbo, H. O. U.
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.
[ISOLDE Collaboration]
Keywords:Ar-31,Ar-32,Ar-33(βp), Measured E-p(Θ(βp)), Deduced angular-correlation parameters, Nuclear spin J, Beta-decay, [PACS] Spin, parity, and isobaric spin, [PACS] Weak-interaction and lepton (including neutrino) aspects, [PACS] Other topics in radioactive decay and in-beam spectroscopy, [PACS] Properties of specific nuclei listed by mass ranges: 20 ≤ A ≤ 38
Issue Date:18-Nov-1999
Citation:Physics Letters B 467(3-4): 194–198 (1999)
Abstract:The beta-delayed proton emission from the lightest Ar-isotopes has been recorded with a high-granularity, large solid-angle Si-detector set-up. Proton energy shifts due to beta-recoil have been measured. We demonstrate how this allows the spin of Ar-31 to be determined as 5/2. The method can be applied at decay rates as low as 1 s(-1).
Description:5 pages, 3 figures, 1 table.-- PACS nrs.: 21.10.Hw; 23.40.Bw; 23.90.+w; 27.30.+t.
Publisher version (URL):http://dx.doi.org/10.1016/S0370-2693(99)01172-7
Appears in Collections:(CFMAC-IEM) Artículos

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