Hypernuclear fine structure inΛ16O and the ΛN tensor interaction

M. Ukai; S. Ajimura; H. Akikawa; D. E. Alburger; A. Banu; R. E. Chrien; G. B. Franklin; J. Franz; O. Hashimoto; T. Hayakawa; H. Hotchi; K. Imai; T. Kishimoto; M. May; D. J. Millener; S. Minami; Y. Miura; T. Miyoshi; K. Mizunuma; T. Nagae; S. N. Nakamura; K. Nakazawa; Y. Okayasu; P. Pile; B. P. Quinn; A. Rusek; Y. Sato; R. Sutter; H. Takahashi; L. Tang; H. Tamura; K. Tanida; L. Yuan; S. H. Zhou

doi:10.1103/PhysRevLett.93.232501

Hypernuclear fine structure in_Λ¹⁶O and the ΛN tensor interaction

M. Ukai, S. Ajimura, H. Akikawa, D. E. Alburger, A. Banu, R. E. Chrien, G. B. Franklin, J. Franz, O. Hashimoto, T. Hayakawa, H. Hotchi, K. Imai, T. Kishimoto, M. May, D. J. Millener, S. Minami, Y. Miura, T. Miyoshi, K. Mizunuma, T. NagaeS. N. Nakamura, K. Nakazawa, Y. Okayasu, P. Pile, B. P. Quinn, A. Rusek, Y. Sato, R. Sutter, H. Takahashi, L. Tang, H. Tamura, K. Tanida, L. Yuan, S. H. Zhou

SCI - Physics

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Abstract

The γ-ray transitions in _λ¹⁶O from the 6.6 meV excited 1₂^- state to both ground state spin-doublet members and λN tensor interaction were analyzed. It was observed that the ground state doublet spacing provides a small but nonzero strength of the tensor interaction between a λ and a nucleon. The 1 ₂^- energy level was measured to be about 6561.7∓1.1∓1.7 keV, and a small spacing for the ground-state doublet of 26.4∓1.6∓0.5 keV. The results show that the spacing determines a small but nonzero strength for the λN tensor interaction.

Original language	English
Article number	232501
Journal	Physical review letters
Volume	93
Issue number	23
DOIs	https://doi.org/10.1103/PhysRevLett.93.232501
Publication status	Published - 2004 Dec 3

ASJC Scopus subject areas

Physics and Astronomy(all)

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Ukai, M., Ajimura, S., Akikawa, H., Alburger, D. E., Banu, A., Chrien, R. E., Franklin, G. B., Franz, J., Hashimoto, O., Hayakawa, T., Hotchi, H., Imai, K., Kishimoto, T., May, M., Millener, D. J., Minami, S., Miura, Y., Miyoshi, T., Mizunuma, K., ... Zhou, S. H. (2004). Hypernuclear fine structure in_Λ¹⁶O and the ΛN tensor interaction. Physical review letters, 93(23), [232501]. https://doi.org/10.1103/PhysRevLett.93.232501

Hypernuclear fine structure in_Λ¹⁶O and the ΛN tensor interaction. / Ukai, M.; Ajimura, S.; Akikawa, H.; Alburger, D. E.; Banu, A.; Chrien, R. E.; Franklin, G. B.; Franz, J.; Hashimoto, O.; Hayakawa, T.; Hotchi, H.; Imai, K.; Kishimoto, T.; May, M.; Millener, D. J.; Minami, S.; Miura, Y.; Miyoshi, T.; Mizunuma, K.; Nagae, T.; Nakamura, S. N.; Nakazawa, K.; Okayasu, Y.; Pile, P.; Quinn, B. P.; Rusek, A.; Sato, Y.; Sutter, R.; Takahashi, H.; Tang, L.; Tamura, H.; Tanida, K.; Yuan, L.; Zhou, S. H.

In: Physical review letters, Vol. 93, No. 23, 232501, 03.12.2004.

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

Ukai, M, Ajimura, S, Akikawa, H, Alburger, DE, Banu, A, Chrien, RE, Franklin, GB, Franz, J, Hashimoto, O, Hayakawa, T, Hotchi, H, Imai, K, Kishimoto, T, May, M, Millener, DJ, Minami, S, Miura, Y, Miyoshi, T, Mizunuma, K, Nagae, T, Nakamura, SN, Nakazawa, K, Okayasu, Y, Pile, P, Quinn, BP, Rusek, A, Sato, Y, Sutter, R, Takahashi, H, Tang, L, Tamura, H, Tanida, K, Yuan, L & Zhou, SH 2004, 'Hypernuclear fine structure in_Λ¹⁶O and the ΛN tensor interaction', Physical review letters, vol. 93, no. 23, 232501. https://doi.org/10.1103/PhysRevLett.93.232501

Ukai, M. ; Ajimura, S. ; Akikawa, H. ; Alburger, D. E. ; Banu, A. ; Chrien, R. E. ; Franklin, G. B. ; Franz, J. ; Hashimoto, O. ; Hayakawa, T. ; Hotchi, H. ; Imai, K. ; Kishimoto, T. ; May, M. ; Millener, D. J. ; Minami, S. ; Miura, Y. ; Miyoshi, T. ; Mizunuma, K. ; Nagae, T. ; Nakamura, S. N. ; Nakazawa, K. ; Okayasu, Y. ; Pile, P. ; Quinn, B. P. ; Rusek, A. ; Sato, Y. ; Sutter, R. ; Takahashi, H. ; Tang, L. ; Tamura, H. ; Tanida, K. ; Yuan, L. ; Zhou, S. H. / Hypernuclear fine structure in_Λ¹⁶O and the ΛN tensor interaction. In: Physical review letters. 2004 ; Vol. 93, No. 23.

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title = "Hypernuclear fine structure inΛ16O and the ΛN tensor interaction",

abstract = "The γ-ray transitions in λ16O from the 6.6 meV excited 12- state to both ground state spin-doublet members and λN tensor interaction were analyzed. It was observed that the ground state doublet spacing provides a small but nonzero strength of the tensor interaction between a λ and a nucleon. The 1 2- energy level was measured to be about 6561.7∓1.1∓1.7 keV, and a small spacing for the ground-state doublet of 26.4∓1.6∓0.5 keV. The results show that the spacing determines a small but nonzero strength for the λN tensor interaction.",

author = "M. Ukai and S. Ajimura and H. Akikawa and Alburger, {D. E.} and A. Banu and Chrien, {R. E.} and Franklin, {G. B.} and J. Franz and O. Hashimoto and T. Hayakawa and H. Hotchi and K. Imai and T. Kishimoto and M. May and Millener, {D. J.} and S. Minami and Y. Miura and T. Miyoshi and K. Mizunuma and T. Nagae and Nakamura, {S. N.} and K. Nakazawa and Y. Okayasu and P. Pile and Quinn, {B. P.} and A. Rusek and Y. Sato and R. Sutter and H. Takahashi and L. Tang and H. Tamura and K. Tanida and L. Yuan and Zhou, {S. H.}",

note = "Funding Information: The authors thank Dr. T. Kirk and the BNL-AGS staff for support of the experiment. This work is supported by U.S. DOE Contact No. DE-AC02-98CH10886 and Grant-in-Aid for Scientific Research from the Ministry of Education of Japan, No. 11440070 and No. 15204014, and partly by JSPS.",

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T1 - Hypernuclear fine structure inΛ16O and the ΛN tensor interaction

AU - Ukai, M.

AU - Ajimura, S.

AU - Akikawa, H.

AU - Alburger, D. E.

AU - Banu, A.

AU - Chrien, R. E.

AU - Franklin, G. B.

AU - Franz, J.

AU - Hashimoto, O.

AU - Hayakawa, T.

AU - Hotchi, H.

AU - Imai, K.

AU - Kishimoto, T.

AU - May, M.

AU - Millener, D. J.

AU - Minami, S.

AU - Miura, Y.

AU - Miyoshi, T.

AU - Mizunuma, K.

AU - Nagae, T.

AU - Nakamura, S. N.

AU - Nakazawa, K.

AU - Okayasu, Y.

AU - Pile, P.

AU - Quinn, B. P.

AU - Rusek, A.

AU - Sato, Y.

AU - Sutter, R.

AU - Takahashi, H.

AU - Tang, L.

AU - Tamura, H.

AU - Tanida, K.

AU - Yuan, L.

AU - Zhou, S. H.

N1 - Funding Information: The authors thank Dr. T. Kirk and the BNL-AGS staff for support of the experiment. This work is supported by U.S. DOE Contact No. DE-AC02-98CH10886 and Grant-in-Aid for Scientific Research from the Ministry of Education of Japan, No. 11440070 and No. 15204014, and partly by JSPS.

PY - 2004/12/3

Y1 - 2004/12/3

N2 - The γ-ray transitions in λ16O from the 6.6 meV excited 12- state to both ground state spin-doublet members and λN tensor interaction were analyzed. It was observed that the ground state doublet spacing provides a small but nonzero strength of the tensor interaction between a λ and a nucleon. The 1 2- energy level was measured to be about 6561.7∓1.1∓1.7 keV, and a small spacing for the ground-state doublet of 26.4∓1.6∓0.5 keV. The results show that the spacing determines a small but nonzero strength for the λN tensor interaction.

AB - The γ-ray transitions in λ16O from the 6.6 meV excited 12- state to both ground state spin-doublet members and λN tensor interaction were analyzed. It was observed that the ground state doublet spacing provides a small but nonzero strength of the tensor interaction between a λ and a nucleon. The 1 2- energy level was measured to be about 6561.7∓1.1∓1.7 keV, and a small spacing for the ground-state doublet of 26.4∓1.6∓0.5 keV. The results show that the spacing determines a small but nonzero strength for the λN tensor interaction.

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ER -

Hypernuclear fine structure in_Λ¹⁶O and the ΛN tensor interaction

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