Line-shape analysis of Doppler-broadened [gamma] lines following the [beta] decay of [superscript 11]Li

Show simple item record

dc.creator Austin, Roby Anne Elizabeth, 1974-
dc.creator Mattoon, C. M.
dc.creator Sarazin, F.
dc.creator Andreoiu, C.
dc.creator Andreyev, A. N.
dc.creator Ball, G. C.
dc.creator Chakrawarthy, R. S.
dc.creator Cross, D.
dc.creator Cunningham, E. S.
dc.creator Daoud, J.
dc.date.accessioned 2015-04-29T15:19:42Z
dc.date.available 2015-04-29T15:19:42Z
dc.date.issued 2009-09
dc.identifier.issn 0556-2813
dc.identifier.uri http://library2.smu.ca/xmlui/handle/01/26085
dc.description Publisher's version/PDF en_CA
dc.description.abstract The [beta] decay of [superscript 11]Li is studied at the TRIUMF Isotope Separation and Acceleration (ISAC) facility using the 8[pi] [gamma]-ray spectrometer coupled with an inner array of 20 plastic scintillators for [beta] detection. Doppler-broadened line shapes resulting from the decay of the excited states in [superscript 10]Be populated by [beta]-delayed one-neutron emission are analyzed using Monte Carlo simulations. New [beta]-delayed neutron decay branches are shown to contribute to the complex decay of [superscript 11]Li. The half-lives of all but one bound excited state in [superscript 10]Be are also deduced from this work. Among them, the half-life of the 2[superscript −] state in [superscript 10]Be is shown to be much shorter than previously thought, yielding a new experimental B(E1) now well within the range of theoretical predictions and providing further evidence that the 2[superscript −] state in [superscript 10]Be is an excited halo state. The nature of the 8.82-MeV state in [superscript 11]Be and its decay paths to excited states in [superscript 10]Be are found to be consistent with the [beta] decay of the core proceeding through this particular state. en_CA
dc.language.iso en en_CA
dc.publisher American Physical Society en_CA
dc.relation.uri http://dx.doi.org/10.1103/PhysRevC.80.034318
dc.rights Article is made available in accordance with the publisher’s policy and is subject to copyright law. Please refer to the publisher’s site. Any re-use of this article is to be in accordance with the publisher’s copyright policy. This posting is in no way granting any permission for re-use to the reader/user.
dc.subject.lcsh Beta decay
dc.subject.lcsh Gamma ray spectrometry
dc.subject.lcsh Lithium -- Isotopes -- Spectra
dc.title Line-shape analysis of Doppler-broadened [gamma] lines following the [beta] decay of [superscript 11]Li en_CA
dc.type Text en_CA
dcterms.bibliographicCitation Physical Review C 80(3), 034318. (2009) en_CA


Files in this item


 

Copyright statement:

 
Article is made available in accordance with the publisher’s policy and is subject to copyright law. Please refer to the publisher’s site. Any re-use of this article is to be in accordance with the publisher’s copyright policy. This posting is in no way granting any permission for re-use to the reader/user.
 
Published Version: http://dx.doi.org/10.1103/PhysRevC.80.034318
 
 

This item appears in the following Collection(s)

Show simple item record