Collective structures and band termination in 107Sb

D. R. LaFosse; C. J. Chiara; D. B. Fossan; G. J. Lane; J. M. Sears; J. F. Smith; K. Starosta; A. J. Boston; E. S. Paul; A. T. Semple; M. Devlin; D. G. Sarantites; I. Y. Lee; A. O. Macchiavelli; A. V. Afanasjev; I. Ragnarsson

doi:10.1103/PhysRevC.62.014305

Collective structures and band termination in ¹⁰⁷Sb

D. R. LaFosse, C. J. Chiara, D. B. Fossan, G. J. Lane, J. M. Sears, J. F. Smith, K. Starosta, A. J. Boston, E. S. Paul, A. T. Semple, M. Devlin, D. G. Sarantites, I. Y. Lee, A. O. Macchiavelli, A. V. Afanasjev, I. Ragnarsson

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Abstract

High-spin states in the near proton-dripline nucleus ¹⁰⁷Sb have been identified, and collectivity in this nucleus has been observed for the first time in the form of two rotational bands. One of the observed rotational structures is a ΔI = 1 band, and is interpreted as based on a π(g_9/2)^-1 ⊗ π(g_7/2d_5/2)² proton configuration. A second structure has ΔI = 2 character, and is explained as being based on a πh_11/2⊗[π(g_9/2)^-2 ⊗ π(g_7/2d_5/2)²] proton configuration through comparison with cranked Nilsson-Strutinsky model calculations. The calculations predict that this band terminates at a spin of 79/2 (Latin small letter h with stroke).

Original language	English
Article number	014305
Journal	Physical Review C - Nuclear Physics
Volume	62
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevC.62.014305
Publication status	Published - 2000 Jul

Subject classification (UKÄ)

Subatomic Physics

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10.1103/PhysRevC.62.014305

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LaFosse, D. R., Chiara, C. J., Fossan, D. B., Lane, G. J., Sears, J. M., Smith, J. F., Starosta, K., Boston, A. J., Paul, E. S., Semple, A. T., Devlin, M., Sarantites, D. G., Lee, I. Y., Macchiavelli, A. O., Afanasjev, A. V., & Ragnarsson, I. (2000). Collective structures and band termination in ¹⁰⁷Sb. Physical Review C - Nuclear Physics, 62(1), Article 014305. https://doi.org/10.1103/PhysRevC.62.014305

@article{1841c801028d4b98adcef244a49e93c0,

title = "Collective structures and band termination in 107Sb",

abstract = "High-spin states in the near proton-dripline nucleus 107Sb have been identified, and collectivity in this nucleus has been observed for the first time in the form of two rotational bands. One of the observed rotational structures is a ΔI = 1 band, and is interpreted as based on a π(g9/2)-1 ⊗ π(g7/2d5/2)2 proton configuration. A second structure has ΔI = 2 character, and is explained as being based on a πh11/2⊗[π(g9/2)-2 ⊗ π(g7/2d5/2)2] proton configuration through comparison with cranked Nilsson-Strutinsky model calculations. The calculations predict that this band terminates at a spin of 79/2 (Latin small letter h with stroke).",

author = "LaFosse, {D. R.} and Chiara, {C. J.} and Fossan, {D. B.} and Lane, {G. J.} and Sears, {J. M.} and Smith, {J. F.} and K. Starosta and Boston, {A. J.} and Paul, {E. S.} and Semple, {A. T.} and M. Devlin and Sarantites, {D. G.} and Lee, {I. Y.} and Macchiavelli, {A. O.} and Afanasjev, {A. V.} and I. Ragnarsson",

year = "2000",

month = jul,

doi = "10.1103/PhysRevC.62.014305",

language = "English",

volume = "62",

journal = "Physical Review C - Nuclear Physics",

issn = "0556-2813",

publisher = "American Physical Society",

number = "1",

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AU - LaFosse, D. R.

AU - Chiara, C. J.

AU - Fossan, D. B.

AU - Lane, G. J.

AU - Sears, J. M.

AU - Smith, J. F.

AU - Starosta, K.

AU - Boston, A. J.

AU - Paul, E. S.

AU - Semple, A. T.

AU - Devlin, M.

AU - Sarantites, D. G.

AU - Lee, I. Y.

AU - Macchiavelli, A. O.

AU - Afanasjev, A. V.

AU - Ragnarsson, I.

PY - 2000/7

Y1 - 2000/7

N2 - High-spin states in the near proton-dripline nucleus 107Sb have been identified, and collectivity in this nucleus has been observed for the first time in the form of two rotational bands. One of the observed rotational structures is a ΔI = 1 band, and is interpreted as based on a π(g9/2)-1 ⊗ π(g7/2d5/2)2 proton configuration. A second structure has ΔI = 2 character, and is explained as being based on a πh11/2⊗[π(g9/2)-2 ⊗ π(g7/2d5/2)2] proton configuration through comparison with cranked Nilsson-Strutinsky model calculations. The calculations predict that this band terminates at a spin of 79/2 (Latin small letter h with stroke).

AB - High-spin states in the near proton-dripline nucleus 107Sb have been identified, and collectivity in this nucleus has been observed for the first time in the form of two rotational bands. One of the observed rotational structures is a ΔI = 1 band, and is interpreted as based on a π(g9/2)-1 ⊗ π(g7/2d5/2)2 proton configuration. A second structure has ΔI = 2 character, and is explained as being based on a πh11/2⊗[π(g9/2)-2 ⊗ π(g7/2d5/2)2] proton configuration through comparison with cranked Nilsson-Strutinsky model calculations. The calculations predict that this band terminates at a spin of 79/2 (Latin small letter h with stroke).

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U2 - 10.1103/PhysRevC.62.014305

DO - 10.1103/PhysRevC.62.014305

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JF - Physical Review C - Nuclear Physics

IS - 1

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ER -

Collective structures and band termination in ¹⁰⁷Sb

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