Single-particle states in 23F

S. Michimasa; S. Shimoura; H. Iwasaki; M. Tamaki; S. Ota; N. Aoi; H. Baba; N. Iwasa; S. Kanno; S. Kubono; K. Kurita; M. Kurokawa; T. Minemura; T. Motobayashi; M. Notani; H. J. Ong; A. Saito; H. Sakurai; E. Takeshita; S. Takeuchi; Y. Yanagisawa; A. Yoshida

doi:10.1088/1742-6596/49/1/047

Single-particle states in ²³F

S. Michimasa, S. Shimoura, H. Iwasaki, M. Tamaki, S. Ota, N. Aoi, H. Baba, N. Iwasa, S. Kanno, S. Kubono, K. Kurita, M. Kurokawa, T. Minemura, T. Motobayashi, M. Notani, H. J. Ong, A. Saito, H. Sakurai, E. Takeshita, S. TakeuchiY. Yanagisawa, A. Yoshida

SCI - Physics

Research output: Contribution to journal › Article › peer-review

Abstract

The proton single-particle states have been investigated using the in-beam γ-ray spectroscopy technique via the following reactions: ⁴He(²²O,²³F); ⁴He( ²³F,²³F); ⁴He(²⁴F,²³F); and ⁴He(²⁵Ne,²³F). The characters of excited states in ²³F were deduced by comparison of the population strengths in these reactions. We found that the 2268- and 4059-keV levels have strong proton single-particle nature of the s1/2 and d3/2 orbitals, respectively. These singleparticle states are located at higher excitation energies than the shell model predictions for the USD and SDPF-M interactions, which indicates that the centroid energy gaps for πd_5/2-πs_1/2 and πd _5/2-πd_3/2 are wider than predicted.

Original language	English
Article number	047
Pages (from-to)	196-197
Number of pages	2
Journal	Journal of Physics: Conference Series
Volume	49
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/49/1/047
Publication status	Published - 2006 Oct 10

ASJC Scopus subject areas

Physics and Astronomy(all)

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Michimasa, S., Shimoura, S., Iwasaki, H., Tamaki, M., Ota, S., Aoi, N., Baba, H., Iwasa, N., Kanno, S., Kubono, S., Kurita, K., Kurokawa, M., Minemura, T., Motobayashi, T., Notani, M., Ong, H. J., Saito, A., Sakurai, H., Takeshita, E., ... Yoshida, A. (2006). Single-particle states in ²³F. Journal of Physics: Conference Series, 49(1), 196-197. [047]. https://doi.org/10.1088/1742-6596/49/1/047

Single-particle states in ²³F. / Michimasa, S.; Shimoura, S.; Iwasaki, H.; Tamaki, M.; Ota, S.; Aoi, N.; Baba, H.; Iwasa, N.; Kanno, S.; Kubono, S.; Kurita, K.; Kurokawa, M.; Minemura, T.; Motobayashi, T.; Notani, M.; Ong, H. J.; Saito, A.; Sakurai, H.; Takeshita, E.; Takeuchi, S.; Yanagisawa, Y.; Yoshida, A.

In: Journal of Physics: Conference Series, Vol. 49, No. 1, 047, 10.10.2006, p. 196-197.

Research output: Contribution to journal › Article › peer-review

Michimasa, S, Shimoura, S, Iwasaki, H, Tamaki, M, Ota, S, Aoi, N, Baba, H, Iwasa, N, Kanno, S, Kubono, S, Kurita, K, Kurokawa, M, Minemura, T, Motobayashi, T, Notani, M, Ong, HJ, Saito, A, Sakurai, H, Takeshita, E, Takeuchi, S, Yanagisawa, Y & Yoshida, A 2006, 'Single-particle states in ²³F', Journal of Physics: Conference Series, vol. 49, no. 1, 047, pp. 196-197. https://doi.org/10.1088/1742-6596/49/1/047

Michimasa, S. ; Shimoura, S. ; Iwasaki, H. ; Tamaki, M. ; Ota, S. ; Aoi, N. ; Baba, H. ; Iwasa, N. ; Kanno, S. ; Kubono, S. ; Kurita, K. ; Kurokawa, M. ; Minemura, T. ; Motobayashi, T. ; Notani, M. ; Ong, H. J. ; Saito, A. ; Sakurai, H. ; Takeshita, E. ; Takeuchi, S. ; Yanagisawa, Y. ; Yoshida, A. / Single-particle states in ²³F. In: Journal of Physics: Conference Series. 2006 ; Vol. 49, No. 1. pp. 196-197.

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title = "Single-particle states in 23F",

abstract = "The proton single-particle states have been investigated using the in-beam γ-ray spectroscopy technique via the following reactions: 4He(22O,23F); 4He( 23F,23F); 4He(24F,23F); and 4He(25Ne,23F). The characters of excited states in 23F were deduced by comparison of the population strengths in these reactions. We found that the 2268- and 4059-keV levels have strong proton single-particle nature of the s1/2 and d3/2 orbitals, respectively. These singleparticle states are located at higher excitation energies than the shell model predictions for the USD and SDPF-M interactions, which indicates that the centroid energy gaps for πd5/2-πs1/2 and πd 5/2-πd3/2 are wider than predicted.",

author = "S. Michimasa and S. Shimoura and H. Iwasaki and M. Tamaki and S. Ota and N. Aoi and H. Baba and N. Iwasa and S. Kanno and S. Kubono and K. Kurita and M. Kurokawa and T. Minemura and T. Motobayashi and M. Notani and Ong, {H. J.} and A. Saito and H. Sakurai and E. Takeshita and S. Takeuchi and Y. Yanagisawa and A. Yoshida",

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AU - Michimasa, S.

AU - Shimoura, S.

AU - Iwasaki, H.

AU - Tamaki, M.

AU - Ota, S.

AU - Aoi, N.

AU - Baba, H.

AU - Iwasa, N.

AU - Kanno, S.

AU - Kubono, S.

AU - Kurita, K.

AU - Kurokawa, M.

AU - Minemura, T.

AU - Motobayashi, T.

AU - Notani, M.

AU - Ong, H. J.

AU - Saito, A.

AU - Sakurai, H.

AU - Takeshita, E.

AU - Takeuchi, S.

AU - Yanagisawa, Y.

AU - Yoshida, A.

PY - 2006/10/10

Y1 - 2006/10/10

N2 - The proton single-particle states have been investigated using the in-beam γ-ray spectroscopy technique via the following reactions: 4He(22O,23F); 4He( 23F,23F); 4He(24F,23F); and 4He(25Ne,23F). The characters of excited states in 23F were deduced by comparison of the population strengths in these reactions. We found that the 2268- and 4059-keV levels have strong proton single-particle nature of the s1/2 and d3/2 orbitals, respectively. These singleparticle states are located at higher excitation energies than the shell model predictions for the USD and SDPF-M interactions, which indicates that the centroid energy gaps for πd5/2-πs1/2 and πd 5/2-πd3/2 are wider than predicted.

AB - The proton single-particle states have been investigated using the in-beam γ-ray spectroscopy technique via the following reactions: 4He(22O,23F); 4He( 23F,23F); 4He(24F,23F); and 4He(25Ne,23F). The characters of excited states in 23F were deduced by comparison of the population strengths in these reactions. We found that the 2268- and 4059-keV levels have strong proton single-particle nature of the s1/2 and d3/2 orbitals, respectively. These singleparticle states are located at higher excitation energies than the shell model predictions for the USD and SDPF-M interactions, which indicates that the centroid energy gaps for πd5/2-πs1/2 and πd 5/2-πd3/2 are wider than predicted.

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