Evidence for particle stability of 31F and particle instability of25N and 28O

H. Sakurai, S. M. Lukyanov, M. Notani, N. Aoi, D. Beaumel, N. Fukuda, M. Hirai, E. Ideguchi, N. Imai, M. Ishihara, H. Iwasaki, T. Kubo, K. Kusaka, H. Kumagai, T. Nakamura, H. Ogawa, Yu E. Penionzhkevich, T. Teranishi, Y. X. Watanabe, K. YonedaA. Yoshida

Research output: Contribution to journalArticlepeer-review

231 Citations (Scopus)


The neutron drip line up to fluorine has been investigated by the projectile fragmentation of a 94.1 A MeV Ar beam at the fragment separator RIPS at RIKEN. A new neutron-rich isotope, F, has been observed for the first time while clear evidence for the particle instability of 24,25N, 27,28O and 30F has been obtained. The sudden change in stability from oxygen to fluorine may demonstrate the onset of deformation for the neutron-rich fluorine isotopes.

Original languageEnglish
Pages (from-to)180-184
Number of pages5
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number3-4
Publication statusPublished - 1999
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics


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