Low-lying proton intruder state in 13B

S. Ota, S. Shimoura, H. Iwasaki, M. Kurokawa, S. Michimasa, N. Aoi, H. Baba, K. Demichi, Z. Elekes, T. Fukuchi, T. Gomi, S. Kanno, S. Kubono, K. Kurita, H. Hasegawa, E. Ideguchi, N. Iwasa, Y. U. Matsuyama, K. L. Yurkewicz, T. MinemuraT. Motobayashi, T. Murakami, M. Notani, A. Odahara, A. Saito, H. Sakurai, E. Takeshita, S. Takeuchi, M. Tamaki, T. Teranishi, Y. Yanagisawa, K. Yamada, M. Ishihara

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16 Citations (Scopus)

Abstract

The neutron-rich nucleus 13B was studied via the proton transfer reaction 4He(12Be, 13Bγ) at 50   A MeV. The known 4.83-MeV excited state was strongly populated and its spin and parity were assigned to 1 / 2+ by comparing the angular differential cross section data with DWBA calculations. This low-lying 1 / 2+ state is interpreted as a proton intruder state and indicates a deformation of the nucleus.

Original languageEnglish
Pages (from-to)311-314
Number of pages4
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume666
Issue number4
DOIs
Publication statusPublished - 2008 Sep 4

Keywords

  • He(Be, Bγ)
  • Intruder state
  • Proton single particle state
  • Proton transfer reaction

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Ota, S., Shimoura, S., Iwasaki, H., Kurokawa, M., Michimasa, S., Aoi, N., Baba, H., Demichi, K., Elekes, Z., Fukuchi, T., Gomi, T., Kanno, S., Kubono, S., Kurita, K., Hasegawa, H., Ideguchi, E., Iwasa, N., Matsuyama, Y. U., Yurkewicz, K. L., ... Ishihara, M. (2008). Low-lying proton intruder state in 13B. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 666(4), 311-314. https://doi.org/10.1016/j.physletb.2008.07.081