Quadrupole deformation of 12Be studied by proton inelastic scattering

H. Iwasaki, T. Motobayashi, H. Akiyoshi, Y. Ando, N. Fukuda, H. Fujiwara, Zs Fülöp, K. I. Hahn, Y. Higurashi, M. Hirai, I. Hisanaga, N. Iwasa, T. Kijima, T. Minemura, T. Nakamura, M. Notani, S. Ozawa, H. Sakurai, S. Shimoura, S. TakeuchiTakashi Teranishi, Y. Yanagisawa, M. Ishihara

Research output: Contribution to journalArticle

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Abstract

Inelastic proton scattering exciting the 21/+ states in the neutron-rich beryllium isotopes 10,12Be has been studied in inverse kinematics. From a coupled-channel analysis, the deformation lengths for the 21/+ states in 12Be and 12Be were determined to be 1.80 ± 0.25 fm and 2.00 ± 0.23 fm respectively, indicating that a tendency towards strong quadrupole deformation is preserved for these nuclei and that the singly-closed shell structure does not prevail in 12Be. A quantitative analysis based on shell model calculations supports this picture. (C) 2000 Elsevier Science B.V.

Original languageEnglish
Pages (from-to)7-13
Number of pages7
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume481
Issue number1
DOIs
Publication statusPublished - May 18 2000
Externally publishedYes

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proton scattering
beryllium isotopes
inelastic scattering
quadrupoles
inverse kinematics
quantitative analysis
tendencies
neutrons
nuclei

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

Cite this

Quadrupole deformation of 12Be studied by proton inelastic scattering. / Iwasaki, H.; Motobayashi, T.; Akiyoshi, H.; Ando, Y.; Fukuda, N.; Fujiwara, H.; Fülöp, Zs; Hahn, K. I.; Higurashi, Y.; Hirai, M.; Hisanaga, I.; Iwasa, N.; Kijima, T.; Minemura, T.; Nakamura, T.; Notani, M.; Ozawa, S.; Sakurai, H.; Shimoura, S.; Takeuchi, S.; Teranishi, Takashi; Yanagisawa, Y.; Ishihara, M.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 481, No. 1, 18.05.2000, p. 7-13.

Research output: Contribution to journalArticle

Iwasaki, H, Motobayashi, T, Akiyoshi, H, Ando, Y, Fukuda, N, Fujiwara, H, Fülöp, Z, Hahn, KI, Higurashi, Y, Hirai, M, Hisanaga, I, Iwasa, N, Kijima, T, Minemura, T, Nakamura, T, Notani, M, Ozawa, S, Sakurai, H, Shimoura, S, Takeuchi, S, Teranishi, T, Yanagisawa, Y & Ishihara, M 2000, 'Quadrupole deformation of 12Be studied by proton inelastic scattering', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 481, no. 1, pp. 7-13. https://doi.org/10.1016/S0370-2693(00)00428-7
Iwasaki, H. ; Motobayashi, T. ; Akiyoshi, H. ; Ando, Y. ; Fukuda, N. ; Fujiwara, H. ; Fülöp, Zs ; Hahn, K. I. ; Higurashi, Y. ; Hirai, M. ; Hisanaga, I. ; Iwasa, N. ; Kijima, T. ; Minemura, T. ; Nakamura, T. ; Notani, M. ; Ozawa, S. ; Sakurai, H. ; Shimoura, S. ; Takeuchi, S. ; Teranishi, Takashi ; Yanagisawa, Y. ; Ishihara, M. / Quadrupole deformation of 12Be studied by proton inelastic scattering. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2000 ; Vol. 481, No. 1. pp. 7-13.
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AU - Iwasaki, H.

AU - Motobayashi, T.

AU - Akiyoshi, H.

AU - Ando, Y.

AU - Fukuda, N.

AU - Fujiwara, H.

AU - Fülöp, Zs

AU - Hahn, K. I.

AU - Higurashi, Y.

AU - Hirai, M.

AU - Hisanaga, I.

AU - Iwasa, N.

AU - Kijima, T.

AU - Minemura, T.

AU - Nakamura, T.

AU - Notani, M.

AU - Ozawa, S.

AU - Sakurai, H.

AU - Shimoura, S.

AU - Takeuchi, S.

AU - Teranishi, Takashi

AU - Yanagisawa, Y.

AU - Ishihara, M.

PY - 2000/5/18

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AB - Inelastic proton scattering exciting the 21/+ states in the neutron-rich beryllium isotopes 10,12Be has been studied in inverse kinematics. From a coupled-channel analysis, the deformation lengths for the 21/+ states in 12Be and 12Be were determined to be 1.80 ± 0.25 fm and 2.00 ± 0.23 fm respectively, indicating that a tendency towards strong quadrupole deformation is preserved for these nuclei and that the singly-closed shell structure does not prevail in 12Be. A quantitative analysis based on shell model calculations supports this picture. (C) 2000 Elsevier Science B.V.

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