High-resolution γ-ray spectroscopy of hyperfragments produced by stopped K- reactions

K. Miwa; K. Tanida; H. Akikawa; Y. Fukao; E. Hiyama; H. Hotchi; K. Imai; Y. Miura; K. Mizunuma; S. N. Nakamura; M. Niiyama; S. Ota; P. K. Saha; H. Takahashi; T. Takahashi; H. Tamura; S. Terashima; M. Togawa; M. Ukai

doi:10.1016/j.nuclphysa.2005.02.120

High-resolution γ-ray spectroscopy of hyperfragments produced by stopped K^- reactions

K. Miwa, K. Tanida, H. Akikawa, Y. Fukao, E. Hiyama, H. Hotchi, K. Imai, Y. Miura, K. Mizunuma, S. N. Nakamura, M. Niiyama, S. Ota, P. K. Saha, H. Takahashi, T. Takahashi, H. Tamura, S. Terashima, M. Togawa, M. Ukai

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7 Citations (Scopus)

Abstract

We performed an experiment to measure γ rays of hyperfragments produced by stopped K^- reactions on light (A ≤ 12) targets (KEK-PS E509). We clearly observed an E2 transition (5/2⁺ → 1/2⁺) in _Λ⁷Li with ¹⁰B, and ¹¹B and ¹²C targets and obtained the γ-ray intensity to be (7.5 ± 1.6) × 10^-4 per stopped K^- for ¹⁰B target. In addition, a candidate for a new hypernuclear γ ray was observed. These results show that this method is quite suitable for the systematic study of hypernuclei.

Original language	English
Pages (from-to)	80-85
Number of pages	6
Journal	Nuclear Physics A
Volume	754
Issue number	1-4 SPEC. ISS.
DOIs	https://doi.org/10.1016/j.nuclphysa.2005.02.120
Publication status	Published - May 30 2005
Externally published	Yes

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1016/j.nuclphysa.2005.02.120

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Miwa, K., Tanida, K., Akikawa, H., Fukao, Y., Hiyama, E., Hotchi, H., Imai, K., Miura, Y., Mizunuma, K., Nakamura, S. N., Niiyama, M., Ota, S., Saha, P. K., Takahashi, H., Takahashi, T., Tamura, H., Terashima, S., Togawa, M., & Ukai, M. (2005). High-resolution γ-ray spectroscopy of hyperfragments produced by stopped K^- reactions. Nuclear Physics A, 754(1-4 SPEC. ISS.), 80-85. https://doi.org/10.1016/j.nuclphysa.2005.02.120

Miwa, K, Tanida, K, Akikawa, H, Fukao, Y, Hiyama, E, Hotchi, H, Imai, K, Miura, Y, Mizunuma, K, Nakamura, SN, Niiyama, M, Ota, S, Saha, PK, Takahashi, H, Takahashi, T, Tamura, H, Terashima, S, Togawa, M & Ukai, M 2005, 'High-resolution γ-ray spectroscopy of hyperfragments produced by stopped K^- reactions', Nuclear Physics A, vol. 754, no. 1-4 SPEC. ISS., pp. 80-85. https://doi.org/10.1016/j.nuclphysa.2005.02.120

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title = "High-resolution γ-ray spectroscopy of hyperfragments produced by stopped K- reactions",

abstract = "We performed an experiment to measure γ rays of hyperfragments produced by stopped K- reactions on light (A ≤ 12) targets (KEK-PS E509). We clearly observed an E2 transition (5/2+ → 1/2+) in Λ7Li with 10B, and 11B and 12C targets and obtained the γ-ray intensity to be (7.5 ± 1.6) × 10-4 per stopped K- for 10B target. In addition, a candidate for a new hypernuclear γ ray was observed. These results show that this method is quite suitable for the systematic study of hypernuclei.",

author = "K. Miwa and K. Tanida and H. Akikawa and Y. Fukao and E. Hiyama and H. Hotchi and K. Imai and Y. Miura and K. Mizunuma and Nakamura, {S. N.} and M. Niiyama and S. Ota and Saha, {P. K.} and H. Takahashi and T. Takahashi and H. Tamura and S. Terashima and M. Togawa and M. Ukai",

year = "2005",

month = may,

day = "30",

doi = "10.1016/j.nuclphysa.2005.02.120",

language = "English",

volume = "754",

pages = "80--85",

journal = "Nuclear Physics A",

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TY - JOUR

T1 - High-resolution γ-ray spectroscopy of hyperfragments produced by stopped K- reactions

AU - Miwa, K.

AU - Tanida, K.

AU - Akikawa, H.

AU - Fukao, Y.

AU - Hiyama, E.

AU - Hotchi, H.

AU - Imai, K.

AU - Miura, Y.

AU - Mizunuma, K.

AU - Nakamura, S. N.

AU - Niiyama, M.

AU - Ota, S.

AU - Saha, P. K.

AU - Takahashi, H.

AU - Takahashi, T.

AU - Tamura, H.

AU - Terashima, S.

AU - Togawa, M.

AU - Ukai, M.

PY - 2005/5/30

Y1 - 2005/5/30

N2 - We performed an experiment to measure γ rays of hyperfragments produced by stopped K- reactions on light (A ≤ 12) targets (KEK-PS E509). We clearly observed an E2 transition (5/2+ → 1/2+) in Λ7Li with 10B, and 11B and 12C targets and obtained the γ-ray intensity to be (7.5 ± 1.6) × 10-4 per stopped K- for 10B target. In addition, a candidate for a new hypernuclear γ ray was observed. These results show that this method is quite suitable for the systematic study of hypernuclei.

AB - We performed an experiment to measure γ rays of hyperfragments produced by stopped K- reactions on light (A ≤ 12) targets (KEK-PS E509). We clearly observed an E2 transition (5/2+ → 1/2+) in Λ7Li with 10B, and 11B and 12C targets and obtained the γ-ray intensity to be (7.5 ± 1.6) × 10-4 per stopped K- for 10B target. In addition, a candidate for a new hypernuclear γ ray was observed. These results show that this method is quite suitable for the systematic study of hypernuclei.

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U2 - 10.1016/j.nuclphysa.2005.02.120

DO - 10.1016/j.nuclphysa.2005.02.120

M3 - Article

AN - SCOPUS:17644408994

SN - 0375-9474

VL - 754

SP - 80

EP - 85

JO - Nuclear Physics A

JF - Nuclear Physics A

IS - 1-4 SPEC. ISS.

ER -

High-resolution γ-ray spectroscopy of hyperfragments produced by stopped K^- reactions

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