B(E1) strengths and isospin symmetry in 67As and 67Se

R. Orlandi, G. De Angelis, F. Delia Vedova, A. Gadea, D. R. Napoli, F. Recchia, J. J. Valiente-Doboń, N. Mǎrginean, K. T. Wiedemann, E. Sahin, A. Bracco, S. Leom, D. Tonev, R. Wadsworth, B. S.Nara Singh, D. G. Sarantites, W. Reviol, C. J. Chiara, O. Pechenaya, C. J. ListerM. Carpenter, J. Greene, D. Sewerinyak, S. Zhu

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In a recent experiment at Argonne National Laboratory, new spectroscopic information was obtained for the mirror pair 67As and 67Se via the measurement of the lifetime of analogue 9/2I + excited states. The nuclei of interest were populated via the fusion evaporation reaction of 32S on 40Ca, and selected by the combination of Gammasphere, Microball and the Neutron Wall arrays. The mirror B(E1) strengths were measured via the centroid shift method in analogue E1 transitions in 67As and 67Se. These findings are significant in determining the extent of conservation of isospin symmetry.

Original languageEnglish
Title of host publicationProton Emitting Nuclei and Related Topics - International Conference, PROCON 2007
PublisherAmerican Institute of Physics Inc.
Pages190-195
Number of pages6
ISBN (Print)9780735404755
DOIs
StatePublished - Jan 1 2007
EventInternational Conference on Proton Emitting Nuclei and Related Topics, PROCON 2007 - Lisbon, Portugal
Duration: Jun 17 2007Jun 23 2007

Publication series

NameAIP Conference Proceedings
Volume961
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

ConferenceInternational Conference on Proton Emitting Nuclei and Related Topics, PROCON 2007
CountryPortugal
CityLisbon
Period06/17/0706/23/07

Keywords

  • Centroid shift method
  • Gamma spectroscopy
  • Isospin symmetry
  • Lifetime measurements

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