Coulomb dissociation of halo nuclei

Naoki Fukuda, Takashi Nakamura, Toshio Kobayashi, Hideaki Otsu, Nori Aoi, Nobuaki Imai, Hironori Iwasaki, Toshiyuki Kubo, Alberto Mengoni, Masahiro Notani, Hiroyoshi Sakurai, Susumu Shimoura, Takashi Teranishi, Yutaka X. Watanabe, Ken Ichiro Yoneda, Masayasu Ishihara

研究成果: Article

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Coulomb dissociation of loosely bound nuclei 11Be and 15C have been studied in a kinematically complete measurement. For 11Be, the n-10Be relative energy spectrum has been analyzed as a function of the impact parameter, b. The obtained spectrum with b ≥ 30 fm agrees very well with the first order perturbation theory assuming a pure Coulomb process. It suggests that a selection of the impact parameter is effective to exclude the higher order effect and the nuclear breakup contribution from the measured dissociation cross section. The spectroscopic factor for 10Be(0+) ⊗ 1s1/2 in the ground state is then extracted to be 0.69(3). The result of 15C has been applied to determine the 14C(n,γ)15C cross section, which is relevant to the stellar nuclear synthesis such as the CNO cycle in low mass AGB stars. The obtained neutron capture cross section is consistent with that of the p-wave direct capture process.

元の言語English
ページ(範囲)462-466
ページ数5
ジャーナルProgress of Theoretical Physics
発行部数146 SUPPL.
出版物ステータスPublished - 2002 12 1

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Fukuda, N., Nakamura, T., Kobayashi, T., Otsu, H., Aoi, N., Imai, N., Iwasaki, H., Kubo, T., Mengoni, A., Notani, M., Sakurai, H., Shimoura, S., Teranishi, T., Watanabe, Y. X., Yoneda, K. I., & Ishihara, M. (2002). Coulomb dissociation of halo nuclei. Progress of Theoretical Physics, (146 SUPPL.), 462-466.