Level scheme and mixed-symmetry states of 134Ba from in-beam (n, n′γ) measurements

B. Fazekas, T. Belgya, G. Molnár, Á Veres, R. A. Gatenby, S. W. Yates, T. Otsuka

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71 Scopus citations


The decay properties of the existed states of 134Ba below 3 MeV have been studied with the (n, n′γ) reaction. From γ-ray excitation function and angular distribution measurements, several new levels, spin-parity values and multipole mixing ratios were obtained. Lifetimes were measured by the Doppler-shift attenuation method, and reduced transition probabilities were calculated for a number of levels using the proton-neutron interacting boson model. The 2029 and 2088 keV states appear to share the properties of the lowest mixed-symmetry 2+ state.

Original languageEnglish
Pages (from-to)249-270
Number of pages22
JournalNuclear Physics, Section A
Issue number2
StatePublished - Oct 12 1992

Bibliographical note

Funding Information:
One of the authors (G.M.) would like to thank O. Scholten and P. Lipas for useful discussions at an early stage ofthe present study.This work has been supported in part by the Hungarian Academy of Sciences and the U.S. National Science Foundation under grants No . INT-8512479 and No . PHY-8702369.


  • Nuclear reactions

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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