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

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Title:	Ar-31 examined: New limit on the β-delayed three-proton branch
Authors:	Fynbo, H. O. U.; Axelsson, L.; Äystö, Juha; 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
URI:	http://hdl.handle.net/10261/11207
DOI:	10.1103/PhysRevC.59.2275
ISSN:	0556-2813
Appears in Collections:	(CFMAC-IEM) Artículos

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