First observation of mixed-symmetry states in a good U(5) nucleus

P. E. Garrett; H. Lehmann; C. A. McGrath; Minfang Yeh; S. W. Yates

doi:10.1103/PhysRevC.54.2259

First observation of mixed-symmetry states in a good U(5) nucleus

P. E. Garrett
, H. Lehmann
, C. A. McGrath
, Minfang Yeh
, S. W. Yates

Chemistry

Producción científica: Article › revisión exhaustiva

53 Citas (SciVal)

Resumen

The properties of 2⁺ states at 2156 keV and 2231 keV in ¹¹²Cd have been measured using the (n,n ′ γ) reaction. These states have strong decay branches, determined to be almost pure M1, to the 2₁⁺+* level with B(M1) values of 0.044(5) μ²_N and 0.055(5) μ²_N respectively, and are interpreted as the main fragments of the 2⁺ mixed-symmetry state, the vibrational analogue of the "scissors-mode" state in deformed nuclei. These observations provide the first firm evidence of mixed-symmetry states in a good U(5) nucleus.

Idioma original	English
Páginas (desde-hasta)	2259-2263
Número de páginas	5
Publicación	Physical Review C - Nuclear Physics
Volumen	54
N.º	5
DOI	https://doi.org/10.1103/PhysRevC.54.2259
Estado	Published - nov 1996

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevC.54.2259

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abstract = "The properties of 2+ states at 2156 keV and 2231 keV in 112Cd have been measured using the (n,n ′ γ) reaction. These states have strong decay branches, determined to be almost pure M1, to the 21++* level with B(M1) values of 0.044(5) μ2N and 0.055(5) μ2N respectively, and are interpreted as the main fragments of the 2+ mixed-symmetry state, the vibrational analogue of the {"}scissors-mode{"} state in deformed nuclei. These observations provide the first firm evidence of mixed-symmetry states in a good U(5) nucleus.",

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AU - Garrett, P. E.

AU - Lehmann, H.

AU - McGrath, C. A.

AU - Yeh, Minfang

AU - Yates, S. W.

PY - 1996/11

Y1 - 1996/11

N2 - The properties of 2+ states at 2156 keV and 2231 keV in 112Cd have been measured using the (n,n ′ γ) reaction. These states have strong decay branches, determined to be almost pure M1, to the 21++* level with B(M1) values of 0.044(5) μ2N and 0.055(5) μ2N respectively, and are interpreted as the main fragments of the 2+ mixed-symmetry state, the vibrational analogue of the "scissors-mode" state in deformed nuclei. These observations provide the first firm evidence of mixed-symmetry states in a good U(5) nucleus.

AB - The properties of 2+ states at 2156 keV and 2231 keV in 112Cd have been measured using the (n,n ′ γ) reaction. These states have strong decay branches, determined to be almost pure M1, to the 21++* level with B(M1) values of 0.044(5) μ2N and 0.055(5) μ2N respectively, and are interpreted as the main fragments of the 2+ mixed-symmetry state, the vibrational analogue of the "scissors-mode" state in deformed nuclei. These observations provide the first firm evidence of mixed-symmetry states in a good U(5) nucleus.

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First observation of mixed-symmetry states in a good U(5) nucleus

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