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Title

Determination of the spin of Ar-31

AuthorsThaysen, J.; Axelsson, L.; Äystö, Juha; 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.
KeywordsAr-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 Date18-Nov-1999
PublisherElsevier
CitationPhysics Letters B 467(3-4): 194–198 (1999)
AbstractThe 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).
Description5 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
URIhttp://hdl.handle.net/10261/10029
DOI10.1016/S0370-2693(99)01172-7
ISSN0370-2693
Appears in Collections:(CFMAC-IEM) Artículos
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