Gamow-Teller transition of the proton-rich nucleus 24Si

Y. Ichikawa; T. K. Onishi; D. Suzuki; H. Iwasaki; T. Kubo; V. Naik; A. Chakrabarti; N. Aoi; B. A. Brown; N. Fukuda; S. Kubono; T. Motobayashi; T. Nakabayashi; T. Nakamura; T. Nakao; T. Okumura; H. J. Ong; H. Suzuki; M. K. Suzuki; T. Teranishi; K. N. Yamada; H. Yamaguchi; H. Sakurai

doi:10.1063/1.3442606

Gamow-Teller transition of the proton-rich nucleus ²⁴Si

Y. Ichikawa, T. K. Onishi, D. Suzuki, H. Iwasaki, T. Kubo, V. Naik, A. Chakrabarti, N. Aoi, B. A. Brown, N. Fukuda, S. Kubono, T. Motobayashi, T. Nakabayashi, T. Nakamura, T. Nakao, T. Okumura, H. J. Ong, H. Suzuki, M. K. Suzuki, T. TeranishiK. N. Yamada, H. Yamaguchi, H. Sakurai

Experimental Particle Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The Gamow-Teller transition strength B(GT) of ²⁴Si was measured to investigate characteristic structure of proton-rich nuclei induced by a weakly-bound proton. By combining the results of the delayed γ-ray and proton measurements, the entire decay scheme of ²⁴Si was reconstructed, then the B(GT) of ²⁴Si was deduced. Focusing to the low-lying states, the B(GT) of ²⁴Si to the 1₁⁺ and 1₂⁺ states in ²⁴Al were smaller than that of the mirror nucleus ²⁴Ne by 22 % and 10 %, respectively. The mirror asymmetry of B(GT) indicates the configuration change in the wave function. Through the comparison with theoretical shell-model calculations, it is implied that the configuration change is attributed to the lowering of the 1s _1/2 orbital. The applicability of the theoretical calculations was checked using overall B(GT) distribution.

Original language	English
Title of host publication	Nuclear Physics Trends - 7th China-Japan Joint Nuclear Physics Symposium
Pages	265-269
Number of pages	5
DOIs	https://doi.org/10.1063/1.3442606
Publication status	Published - 2010
Event	7th Japan-China Joint Nuclear Physics Symposium - Tsukuba, Japan Duration: Nov 9 2009 → Nov 13 2009

Publication series

Name	AIP Conference Proceedings
Volume	1235
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Other

Other	7th Japan-China Joint Nuclear Physics Symposium
Country/Territory	Japan
City	Tsukuba
Period	11/9/09 → 11/13/09

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

Access to Document

10.1063/1.3442606

Cite this

Ichikawa, Y., Onishi, T. K., Suzuki, D., Iwasaki, H., Kubo, T., Naik, V., Chakrabarti, A., Aoi, N., Brown, B. A., Fukuda, N., Kubono, S., Motobayashi, T., Nakabayashi, T., Nakamura, T., Nakao, T., Okumura, T., Ong, H. J., Suzuki, H., Suzuki, M. K., ... Sakurai, H. (2010). Gamow-Teller transition of the proton-rich nucleus ²⁴Si. In Nuclear Physics Trends - 7th China-Japan Joint Nuclear Physics Symposium (pp. 265-269). (AIP Conference Proceedings; Vol. 1235). https://doi.org/10.1063/1.3442606

Ichikawa, Y, Onishi, TK, Suzuki, D, Iwasaki, H, Kubo, T, Naik, V, Chakrabarti, A, Aoi, N, Brown, BA, Fukuda, N, Kubono, S, Motobayashi, T, Nakabayashi, T, Nakamura, T, Nakao, T, Okumura, T, Ong, HJ, Suzuki, H, Suzuki, MK, Teranishi, T, Yamada, KN, Yamaguchi, H & Sakurai, H 2010, Gamow-Teller transition of the proton-rich nucleus ²⁴Si. in Nuclear Physics Trends - 7th China-Japan Joint Nuclear Physics Symposium. AIP Conference Proceedings, vol. 1235, pp. 265-269, 7th Japan-China Joint Nuclear Physics Symposium, Tsukuba, Japan, 11/9/09. https://doi.org/10.1063/1.3442606

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title = "Gamow-Teller transition of the proton-rich nucleus 24Si",

abstract = "The Gamow-Teller transition strength B(GT) of 24Si was measured to investigate characteristic structure of proton-rich nuclei induced by a weakly-bound proton. By combining the results of the delayed γ-ray and proton measurements, the entire decay scheme of 24Si was reconstructed, then the B(GT) of 24Si was deduced. Focusing to the low-lying states, the B(GT) of 24Si to the 11+ and 12+ states in 24Al were smaller than that of the mirror nucleus 24Ne by 22 % and 10 %, respectively. The mirror asymmetry of B(GT) indicates the configuration change in the wave function. Through the comparison with theoretical shell-model calculations, it is implied that the configuration change is attributed to the lowering of the 1s 1/2 orbital. The applicability of the theoretical calculations was checked using overall B(GT) distribution.",

author = "Y. Ichikawa and Onishi, {T. K.} and D. Suzuki and H. Iwasaki and T. Kubo and V. Naik and A. Chakrabarti and N. Aoi and Brown, {B. A.} and N. Fukuda and S. Kubono and T. Motobayashi and T. Nakabayashi and T. Nakamura and T. Nakao and T. Okumura and Ong, {H. J.} and H. Suzuki and Suzuki, {M. K.} and T. Teranishi and Yamada, {K. N.} and H. Yamaguchi and H. Sakurai",

year = "2010",

doi = "10.1063/1.3442606",

language = "English",

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series = "AIP Conference Proceedings",

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AU - Ichikawa, Y.

AU - Onishi, T. K.

AU - Suzuki, D.

AU - Iwasaki, H.

AU - Kubo, T.

AU - Naik, V.

AU - Chakrabarti, A.

AU - Aoi, N.

AU - Brown, B. A.

AU - Fukuda, N.

AU - Kubono, S.

AU - Motobayashi, T.

AU - Nakabayashi, T.

AU - Nakamura, T.

AU - Nakao, T.

AU - Okumura, T.

AU - Ong, H. J.

AU - Suzuki, H.

AU - Suzuki, M. K.

AU - Teranishi, T.

AU - Yamada, K. N.

AU - Yamaguchi, H.

AU - Sakurai, H.

PY - 2010

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N2 - The Gamow-Teller transition strength B(GT) of 24Si was measured to investigate characteristic structure of proton-rich nuclei induced by a weakly-bound proton. By combining the results of the delayed γ-ray and proton measurements, the entire decay scheme of 24Si was reconstructed, then the B(GT) of 24Si was deduced. Focusing to the low-lying states, the B(GT) of 24Si to the 11+ and 12+ states in 24Al were smaller than that of the mirror nucleus 24Ne by 22 % and 10 %, respectively. The mirror asymmetry of B(GT) indicates the configuration change in the wave function. Through the comparison with theoretical shell-model calculations, it is implied that the configuration change is attributed to the lowering of the 1s 1/2 orbital. The applicability of the theoretical calculations was checked using overall B(GT) distribution.

AB - The Gamow-Teller transition strength B(GT) of 24Si was measured to investigate characteristic structure of proton-rich nuclei induced by a weakly-bound proton. By combining the results of the delayed γ-ray and proton measurements, the entire decay scheme of 24Si was reconstructed, then the B(GT) of 24Si was deduced. Focusing to the low-lying states, the B(GT) of 24Si to the 11+ and 12+ states in 24Al were smaller than that of the mirror nucleus 24Ne by 22 % and 10 %, respectively. The mirror asymmetry of B(GT) indicates the configuration change in the wave function. Through the comparison with theoretical shell-model calculations, it is implied that the configuration change is attributed to the lowering of the 1s 1/2 orbital. The applicability of the theoretical calculations was checked using overall B(GT) distribution.

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