Observation of chiral doublet bands in odd-odd N = 73 isotones

Takeshi Koike, K. Starosta, C. J. Chiara, D. B. Fossan, D. R. LaFosse

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Three odd-odd N = 73 isotones, namely 128Cs, 130La, and 132Pr, have been studied via (HI, xnγ) reactions. In all three cases, ΔI = 1 side bands of the πh11/2vh11/2 yrast bands were discovered. This extends the systematic observation of nearly degenerate πh11/2vh11/2 doublet bands in the neighboring N = 75 isotones; these were interpreted as resulting from chiral symmetry breaking in the intrinsic body-fixed frame.

Original languageEnglish
Article number061304
Pages (from-to)613041-613044
Number of pages4
JournalPhysical Review C - Nuclear Physics
Issue number6
Publication statusPublished - 2001 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Koike, T., Starosta, K., Chiara, C. J., Fossan, D. B., & LaFosse, D. R. (2001). Observation of chiral doublet bands in odd-odd N = 73 isotones. Physical Review C - Nuclear Physics, 63(6), 613041-613044. [061304].