A measurement of the π0 decay of(Formula presented.)C and(Formula presented.)B hypernucleihypernuclei

A. Sakaguchi, W. Brückner, S. Paul, R. Schüssler, B. Povh, H. Döbbeling, H. Tamura, T. Yamazaki, M. Aoki, R. S. Hayano, T. Ishikawa, M. Iwasaki, T. Motoki, H. Outa, E. Takada, K. H. Tanaka

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

We made a direct measurement of the π0 weak decay branching ratio of the(Formula presented.)C hypernucleus for the first time. The branching ratio is estimated to be Γπ0/Γ=0.166±0.055 from the measurement. The branching ratio agrees fairly with a theoretical calculation with a realistic pion distorted wave function, but is inconsistent with a calculation with a free π0 wave function. An upper limit of the π0 decay branching ratio of the(Formula presented.)B hypernucleus was also estimated to be Γπ0/Γ<0.291 (90% confidence level).

Original languageEnglish
Pages (from-to)511-519
Number of pages9
JournalIl Nuovo Cimento A Series 11
Volume102
Issue number2
DOIs
Publication statusPublished - 1989 Aug
Externally publishedYes

Keywords

  • 21.80 - Hypernuclei
  • 25.80.Nv - Kaon-induced reactions and scattering

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics
  • Astronomy and Astrophysics

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    Sakaguchi, A., Brückner, W., Paul, S., Schüssler, R., Povh, B., Döbbeling, H., Tamura, H., Yamazaki, T., Aoki, M., Hayano, R. S., Ishikawa, T., Iwasaki, M., Motoki, T., Outa, H., Takada, E., & Tanaka, K. H. (1989). A measurement of the π0 decay of(Formula presented.)C and(Formula presented.)B hypernucleihypernuclei. Il Nuovo Cimento A Series 11, 102(2), 511-519. https://doi.org/10.1007/BF02734870