Gamma-ray spectroscopy of 12ΛC via the (π +, K +) reaction

K. Hosomi; S. Ajimura; K. Aoki; M. Dairaku; Y. Y. Fu; H. Fujioka; T. Fukuda; K. Futatsukawa; W. Imoto; Y. Kakiguchi; M. Kawai; S. Kinoshita; T. Koike; Y. Ma; N. Maruyamai; M. Mimori; S. Minami; Y. Miura; K. Miwa; Y. Miyagi; T. Nagae; D. Nakajima; H. Noumi; K. Shirotori; T. Suzuki; T. Takahashi; T. N. Takahashi; H. Tamura; K. Tanida; N. Terada; A. Toyoda; K. Tsukada; M. Ukai; S. H. Zhou

doi:10.1016/j.nuclphysa.2013.04.007

Gamma-ray spectroscopy of ¹²_ΛC via the (^{π +}, ^{K +}) reaction

K. Hosomi, S. Ajimura, K. Aoki, M. Dairaku, Y. Y. Fu, H. Fujioka, T. Fukuda, K. Futatsukawa, W. Imoto, Y. Kakiguchi, M. Kawai, S. Kinoshita, T. Koike, Y. Ma, N. Maruyamai, M. Mimori, S. Minami, Y. Miura, K. Miwa, Y. MiyagiT. Nagae, D. Nakajima, H. Noumi, K. Shirotori, T. Suzuki, T. Takahashi, T. N. Takahashi, H. Tamura, K. Tanida, N. Terada, A. Toyoda, K. Tsukada, M. Ukai, S. H. Zhou

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

11 Citations (Scopus)

Abstract

A γ-ray spectroscopy experiment via the C12(π+,K+) reaction was carried out at KEK-PS in 2005. The K6 beam line and Superconducting Kaon Spectrometer (SKS) were employed to obtain a missing mass spectrum for ¹²_ΛC. An upgraded germanium detector array, Hyperball2, was introduced to detect γ rays emitted from hypernuclei in coincidence with the (^{π +}, ^{K +}) reaction. As a result of further analysis, a γ-ray peak at 6048 keV (preliminary) was newly observed and assigned as the M1 transition from the 6-MeV excited state to the ground state.

Original language	English
Pages (from-to)	184-188
Number of pages	5
Journal	Nuclear Physics A
Volume	914
DOIs	https://doi.org/10.1016/j.nuclphysa.2013.04.007
Publication status	Published - 2013

Keywords

Hyperball
Λ hypernuclei
ΛN interaction
γ-Ray spectroscopy

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/j.nuclphysa.2013.04.007

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Hosomi, K., Ajimura, S., Aoki, K., Dairaku, M., Fu, Y. Y., Fujioka, H., Fukuda, T., Futatsukawa, K., Imoto, W., Kakiguchi, Y., Kawai, M., Kinoshita, S., Koike, T., Ma, Y., Maruyamai, N., Mimori, M., Minami, S., Miura, Y., Miwa, K., ... Zhou, S. H. (2013). Gamma-ray spectroscopy of ¹²_ΛC via the (^{π +}, ^{K +}) reaction. Nuclear Physics A, 914, 184-188. https://doi.org/10.1016/j.nuclphysa.2013.04.007

Gamma-ray spectroscopy of ¹²_ΛC via the (^{π +}, ^{K +}) reaction. / Hosomi, K.; Ajimura, S.; Aoki, K.; Dairaku, M.; Fu, Y. Y.; Fujioka, H.; Fukuda, T.; Futatsukawa, K.; Imoto, W.; Kakiguchi, Y.; Kawai, M.; Kinoshita, S.; Koike, T.; Ma, Y.; Maruyamai, N.; Mimori, M.; Minami, S.; Miura, Y.; Miwa, K.; Miyagi, Y.; Nagae, T.; Nakajima, D.; Noumi, H.; Shirotori, K.; Suzuki, T.; Takahashi, T.; Takahashi, T. N.; Tamura, H.; Tanida, K.; Terada, N.; Toyoda, A.; Tsukada, K.; Ukai, M.; Zhou, S. H.

In: Nuclear Physics A, Vol. 914, 2013, p. 184-188.

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

Hosomi, K, Ajimura, S, Aoki, K, Dairaku, M, Fu, YY, Fujioka, H, Fukuda, T, Futatsukawa, K, Imoto, W, Kakiguchi, Y, Kawai, M, Kinoshita, S, Koike, T, Ma, Y, Maruyamai, 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, SH 2013, 'Gamma-ray spectroscopy of ¹²_ΛC via the (^{π +}, ^{K +}) reaction', Nuclear Physics A, vol. 914, pp. 184-188. https://doi.org/10.1016/j.nuclphysa.2013.04.007

Hosomi, K. ; Ajimura, S. ; Aoki, K. ; Dairaku, M. ; Fu, Y. Y. ; Fujioka, H. ; Fukuda, T. ; Futatsukawa, K. ; Imoto, W. ; Kakiguchi, Y. ; Kawai, M. ; Kinoshita, S. ; Koike, T. ; Ma, Y. ; Maruyamai, N. ; Mimori, M. ; Minami, S. ; Miura, Y. ; Miwa, K. ; Miyagi, Y. ; Nagae, T. ; Nakajima, D. ; Noumi, H. ; Shirotori, K. ; Suzuki, T. ; Takahashi, T. ; Takahashi, T. N. ; Tamura, H. ; Tanida, K. ; Terada, N. ; Toyoda, A. ; Tsukada, K. ; Ukai, M. ; Zhou, S. H. / Gamma-ray spectroscopy of ¹²_ΛC via the (^{π +}, ^{K +}) reaction. In: Nuclear Physics A. 2013 ; Vol. 914. pp. 184-188.

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abstract = "A γ-ray spectroscopy experiment via the C12(π+,K+) reaction was carried out at KEK-PS in 2005. The K6 beam line and Superconducting Kaon Spectrometer (SKS) were employed to obtain a missing mass spectrum for 12ΛC. An upgraded germanium detector array, Hyperball2, was introduced to detect γ rays emitted from hypernuclei in coincidence with the (π +, K +) reaction. As a result of further analysis, a γ-ray peak at 6048 keV (preliminary) was newly observed and assigned as the M1 transition from the 6-MeV excited state to the ground state.",

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author = "K. Hosomi and S. Ajimura and K. Aoki and M. Dairaku and Fu, {Y. Y.} and H. Fujioka and T. Fukuda and K. Futatsukawa and W. Imoto and Y. Kakiguchi and M. Kawai and S. Kinoshita and T. Koike and Y. Ma and N. Maruyamai and M. Mimori and S. Minami and Y. Miura and K. Miwa and Y. Miyagi and T. Nagae and D. Nakajima and H. Noumi and K. Shirotori and T. Suzuki and T. Takahashi and Takahashi, {T. N.} and H. Tamura and K. Tanida and N. Terada and A. Toyoda and K. Tsukada and M. Ukai and Zhou, {S. H.}",

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AU - Hosomi, K.

AU - Ajimura, S.

AU - Aoki, K.

AU - Dairaku, M.

AU - Fu, Y. Y.

AU - Fujioka, H.

AU - Fukuda, T.

AU - Futatsukawa, K.

AU - Imoto, W.

AU - Kakiguchi, Y.

AU - Kawai, M.

AU - Kinoshita, S.

AU - Koike, T.

AU - Ma, Y.

AU - Maruyamai, N.

AU - Mimori, M.

AU - Minami, S.

AU - Miura, Y.

AU - Miwa, K.

AU - Miyagi, Y.

AU - Nagae, T.

AU - Nakajima, D.

AU - Noumi, H.

AU - Shirotori, K.

AU - Suzuki, T.

AU - Takahashi, T.

AU - Takahashi, T. N.

AU - Tamura, H.

AU - Tanida, K.

AU - Terada, N.

AU - Toyoda, A.

AU - Tsukada, K.

AU - Ukai, M.

AU - Zhou, S. H.

PY - 2013

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AB - A γ-ray spectroscopy experiment via the C12(π+,K+) reaction was carried out at KEK-PS in 2005. The K6 beam line and Superconducting Kaon Spectrometer (SKS) were employed to obtain a missing mass spectrum for 12ΛC. An upgraded germanium detector array, Hyperball2, was introduced to detect γ rays emitted from hypernuclei in coincidence with the (π +, K +) reaction. As a result of further analysis, a γ-ray peak at 6048 keV (preliminary) was newly observed and assigned as the M1 transition from the 6-MeV excited state to the ground state.

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KW - Λ hypernuclei

KW - ΛN interaction

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