### Abstract

Decay particles from the s-hole states in ^{11}B and ^{15}N have been measured in coincidence with the quasifree ^{12}C(p, 2p) and ^{16}O(p, 2p) reactions at E_{p} = 392 MeV. Triton decay is found to be dominant for the ^{11}B(s-hole) state and also found to be larger than α decay for the ^{15}N(s-hole) state despite its smaller Q value compared to α decay. Measured decay branching ratios are discussed in comparison with the results of statistical-model, SU(3)-model, and shell-model calculations. The energy spectra around the s-hole states in both ^{11}B and ^{15}N exhibit some bumplike structures, which can be qualitatively explained by recent shell-model calculations for both nuclei.

Original language | English |
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Pages (from-to) | 1810-1817 |

Number of pages | 8 |

Journal | Physics of Atomic Nuclei |

Volume | 67 |

Issue number | 10 |

DOIs | |

Publication status | Published - 2004 Oct |

### ASJC Scopus subject areas

- Atomic and Molecular Physics, and Optics
- Nuclear and High Energy Physics

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## Cite this

*Physics of Atomic Nuclei*,

*67*(10), 1810-1817. https://doi.org/10.1134/1.1811183