Precise determination of 12 A C level structure by γ-ray spectroscopy

Kenji Hosomi; Yue Ma; Shuhei Ajimura; Kanae Aoki; Seishi Dairaku; Yuanyong Fu; Hiroyuki Fujioka; Kenta Futatsukawa; Wataru Imoto; Yutaka Kakiguchi; Masaharu Kawai; Sari Kinoshita; Takeshi Koike; Nayuta Maruyama; Masahiro Mimori; Shizu Minami; Yusuke Miura; Koji Miwa; Yohei Miyagi; Tomofumi Nagae; Daisuke Nakajima; Hiroyuki Noumi; Kotaro Shirotori; Tomokazu Suzuki; Toshiyuki Takahashi; Tomonori N. Takahashi; Hirokazu Tamura; Kiyoshi Tanida; Nobuhiro Terada; Akihisa Toyoda; Kyo Tsukada; Mifuyu Ukai; Shuhua Zhou

doi:10.1093/ptep/ptv113

Precise determination of 12 A C level structure by γ-ray spectroscopy

Kenji Hosomi, Yue Ma, Shuhei Ajimura, Kanae Aoki, Seishi Dairaku, Yuanyong Fu, Hiroyuki Fujioka, Kenta Futatsukawa, Wataru Imoto, Yutaka Kakiguchi, Masaharu Kawai, Sari Kinoshita, Takeshi Koike, Nayuta Maruyama, Masahiro Mimori, Shizu Minami, Yusuke Miura, Koji Miwa, Yohei Miyagi, Tomofumi NagaeDaisuke Nakajima, Hiroyuki Noumi, Kotaro Shirotori, Tomokazu Suzuki, Toshiyuki Takahashi, Tomonori N. Takahashi, Hirokazu Tamura, Kiyoshi Tanida, Nobuhiro Terada, Akihisa Toyoda, Kyo Tsukada, Mifuyu Ukai, Shuhua Zhou

研究成果: Article › 査読

13 被引用数 (Scopus)

抄録

The level structure of the 12 λ C hypernucleus was precisely determined by means of γ-ray spectroscopy. We identified four γ-ray transitions via the 12C(π + , K+ γ ) reaction using a germanium detector array, Hyperball2. The spacing of the ground-state doublet (2- , 1- 1 ) was measured to be 161.5 ± 0.3(stat) ± 0.3(syst) keV from the direct M1 transition. Excitation energies of the 1- 2 and 1- 3 states were measured to be 2832 ± 3 ± 4 keV and 6050 ± 8 ± 7 keV, respectively. The level energies obtained provide definitive references for the reaction spectroscopy of λ hypernuclei.

本文言語	English
論文番号	81D01
ジャーナル	Progress of Theoretical and Experimental Physics
巻	2015
号	8
DOI	https://doi.org/10.1093/ptep/ptv113
出版ステータス	Published - 2015 8月

ASJC Scopus subject areas

物理学および天文学（全般）

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10.1093/ptep/ptv113

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Hosomi, K., Ma, Y., Ajimura, S., Aoki, K., Dairaku, S., Fu, Y., Fujioka, H., Futatsukawa, K., Imoto, W., Kakiguchi, Y., Kawai, M., Kinoshita, S., Koike, T., Maruyama, N., Mimori, M., Minami, S., Miura, Y., Miwa, K., Miyagi, Y., ... Zhou, S. (2015). Precise determination of 12 A C level structure by γ-ray spectroscopy. Progress of Theoretical and Experimental Physics, 2015(8), [81D01]. https://doi.org/10.1093/ptep/ptv113

Hosomi, K, Ma, Y, Ajimura, S, Aoki, K, Dairaku, S, Fu, Y, Fujioka, H, Futatsukawa, K, Imoto, W, Kakiguchi, Y, Kawai, M, Kinoshita, S, Koike, T, Maruyama, N, Mimori, M, Minami, S, Miura, Y, Miwa, K, Miyagi, Y, Nagae, T, Nakajima, D, Noumi, H, Shirotori, K, Suzuki, T, Takahashi, T, Takahashi, TN, Tamura, H, Tanida, K, Terada, N, Toyoda, A, Tsukada, K, Ukai, M & Zhou, S 2015, 'Precise determination of 12 A C level structure by γ-ray spectroscopy', Progress of Theoretical and Experimental Physics, vol. 2015, no. 8, 81D01. https://doi.org/10.1093/ptep/ptv113

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abstract = "The level structure of the 12 λ C hypernucleus was precisely determined by means of γ-ray spectroscopy. We identified four γ-ray transitions via the 12C(π + , K+ γ ) reaction using a germanium detector array, Hyperball2. The spacing of the ground-state doublet (2- , 1- 1 ) was measured to be 161.5 ± 0.3(stat) ± 0.3(syst) keV from the direct M1 transition. Excitation energies of the 1- 2 and 1- 3 states were measured to be 2832 ± 3 ± 4 keV and 6050 ± 8 ± 7 keV, respectively. The level energies obtained provide definitive references for the reaction spectroscopy of λ hypernuclei.",

author = "Kenji Hosomi and Yue Ma and Shuhei Ajimura and Kanae Aoki and Seishi Dairaku and Yuanyong Fu and Hiroyuki Fujioka and Kenta Futatsukawa and Wataru Imoto and Yutaka Kakiguchi and Masaharu Kawai and Sari Kinoshita and Takeshi Koike and Nayuta Maruyama and Masahiro Mimori and Shizu Minami and Yusuke Miura and Koji Miwa and Yohei Miyagi and Tomofumi Nagae and Daisuke Nakajima and Hiroyuki Noumi and Kotaro Shirotori and Tomokazu Suzuki and Toshiyuki Takahashi and Takahashi, {Tomonori N.} and Hirokazu Tamura and Kiyoshi Tanida and Nobuhiro Terada and Akihisa Toyoda and Kyo Tsukada and Mifuyu Ukai and Shuhua Zhou",

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doi = "10.1093/ptep/ptv113",

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AU - Hosomi, Kenji

AU - Ma, Yue

AU - Ajimura, Shuhei

AU - Aoki, Kanae

AU - Dairaku, Seishi

AU - Fu, Yuanyong

AU - Fujioka, Hiroyuki

AU - Futatsukawa, Kenta

AU - Imoto, Wataru

AU - Kakiguchi, Yutaka

AU - Kawai, Masaharu

AU - Kinoshita, Sari

AU - Koike, Takeshi

AU - Maruyama, Nayuta

AU - Mimori, Masahiro

AU - Minami, Shizu

AU - Miura, Yusuke

AU - Miwa, Koji

AU - Miyagi, Yohei

AU - Nagae, Tomofumi

AU - Nakajima, Daisuke

AU - Noumi, Hiroyuki

AU - Shirotori, Kotaro

AU - Suzuki, Tomokazu

AU - Takahashi, Toshiyuki

AU - Takahashi, Tomonori N.

AU - Tamura, Hirokazu

AU - Tanida, Kiyoshi

AU - Terada, Nobuhiro

AU - Toyoda, Akihisa

AU - Tsukada, Kyo

AU - Ukai, Mifuyu

AU - Zhou, Shuhua

PY - 2015/8

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N2 - The level structure of the 12 λ C hypernucleus was precisely determined by means of γ-ray spectroscopy. We identified four γ-ray transitions via the 12C(π + , K+ γ ) reaction using a germanium detector array, Hyperball2. The spacing of the ground-state doublet (2- , 1- 1 ) was measured to be 161.5 ± 0.3(stat) ± 0.3(syst) keV from the direct M1 transition. Excitation energies of the 1- 2 and 1- 3 states were measured to be 2832 ± 3 ± 4 keV and 6050 ± 8 ± 7 keV, respectively. The level energies obtained provide definitive references for the reaction spectroscopy of λ hypernuclei.

AB - The level structure of the 12 λ C hypernucleus was precisely determined by means of γ-ray spectroscopy. We identified four γ-ray transitions via the 12C(π + , K+ γ ) reaction using a germanium detector array, Hyperball2. The spacing of the ground-state doublet (2- , 1- 1 ) was measured to be 161.5 ± 0.3(stat) ± 0.3(syst) keV from the direct M1 transition. Excitation energies of the 1- 2 and 1- 3 states were measured to be 2832 ± 3 ± 4 keV and 6050 ± 8 ± 7 keV, respectively. The level energies obtained provide definitive references for the reaction spectroscopy of λ hypernuclei.

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Precise determination of 12 A C level structure by γ-ray spectroscopy

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