Coulomb dissociation of 19C and its halo structure

T. Nakamura, N. Fukuda, T. Kobayashi, N. Aoi, H. Iwasaki, T. Kubo, A. Mengoni, M. Notani, H. Otsu, H. Sakurai, S. Shimoura, T. Teranishi, Y. X. Watanabe, K. Yoneda, M. Ishihara

Research output: Contribution to journalArticle

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Abstract

The extremely neutron-rich nucleus 19C has been studied by Coulomb dissociation into 18C + n at 67AMeV. A large E1 strength of 0.71 ± 0.07 e2fm2 has been observed at low excitation energies. An analysis of the angular distribution of 18C + n center of mass has led to a determination of the neutron separation energy of 19C to be 530 ± 130keV. The E1 strength distribution can be well reproduced for a 19C ground state structure with a dominant s-wave valence neutron, providing a consistent picture of the neutron halo structure of 19C.

Original languageEnglish
Pages (from-to)1112-1115
Number of pages4
JournalPhysical Review Letters
Volume83
Issue number6
DOIs
Publication statusPublished - Jan 1 1999
Externally publishedYes

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halos
dissociation
neutrons
center of mass
angular distribution
valence
nuclei
ground state
energy
excitation

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Nakamura, T., Fukuda, N., Kobayashi, T., Aoi, N., Iwasaki, H., Kubo, T., ... Ishihara, M. (1999). Coulomb dissociation of 19C and its halo structure. Physical Review Letters, 83(6), 1112-1115. https://doi.org/10.1103/PhysRevLett.83.1112

Coulomb dissociation of 19C and its halo structure. / Nakamura, T.; Fukuda, N.; Kobayashi, T.; Aoi, N.; Iwasaki, H.; Kubo, T.; Mengoni, A.; Notani, M.; Otsu, H.; Sakurai, H.; Shimoura, S.; Teranishi, T.; Watanabe, Y. X.; Yoneda, K.; Ishihara, M.

In: Physical Review Letters, Vol. 83, No. 6, 01.01.1999, p. 1112-1115.

Research output: Contribution to journalArticle

Nakamura, T, Fukuda, N, Kobayashi, T, Aoi, N, Iwasaki, H, Kubo, T, Mengoni, A, Notani, M, Otsu, H, Sakurai, H, Shimoura, S, Teranishi, T, Watanabe, YX, Yoneda, K & Ishihara, M 1999, 'Coulomb dissociation of 19C and its halo structure', Physical Review Letters, vol. 83, no. 6, pp. 1112-1115. https://doi.org/10.1103/PhysRevLett.83.1112
Nakamura T, Fukuda N, Kobayashi T, Aoi N, Iwasaki H, Kubo T et al. Coulomb dissociation of 19C and its halo structure. Physical Review Letters. 1999 Jan 1;83(6):1112-1115. https://doi.org/10.1103/PhysRevLett.83.1112
Nakamura, T. ; Fukuda, N. ; Kobayashi, T. ; Aoi, N. ; Iwasaki, H. ; Kubo, T. ; Mengoni, A. ; Notani, M. ; Otsu, H. ; Sakurai, H. ; Shimoura, S. ; Teranishi, T. ; Watanabe, Y. X. ; Yoneda, K. ; Ishihara, M. / Coulomb dissociation of 19C and its halo structure. In: Physical Review Letters. 1999 ; Vol. 83, No. 6. pp. 1112-1115.
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