Double isobaric analog of 11Li in 11B

R. J. Charity; L. G. Sobotka; K. Hagino; D. Bazin; M. A. Famiano; A. Gade; S. Hudan; S. A. Komarov; Jenny Lee; S. P. Lobastov; S. M. Lukyanov; W. G. Lynch; C. Metelko; M. Mocko; A. M. Rogers; H. Sagawa; A. Sanetullaev; M. B. Tsang; M. S. Wallace; M. J. Van Goethem; A. H. Wuosmaa

doi:10.1103/PhysRevC.86.041307

Double isobaric analog of 11Li in 11B

R. J. Charity, L. G. Sobotka, K. Hagino, D. Bazin, M. A. Famiano, A. Gade, S. Hudan, S. A. Komarov, Jenny Lee, S. P. Lobastov, S. M. Lukyanov, W. G. Lynch, C. Metelko, M. Mocko, A. M. Rogers, H. Sagawa, A. Sanetullaev, M. B. Tsang, M. S. Wallace, M. J. Van GoethemA. H. Wuosmaa

SCI - Physics

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

12 Citations (Scopus)

Abstract

The ground state of 11Li is the preeminent example of a two-neutron-halo nucleus and is part of an isobaric sextet. Another member of this sextet, the double isobaric analog of 11Lig_.s. in 11B, has been identified in the 12Be(p,2n)11B reaction. The state was discovered through its two-proton decay branch. From detected 2p+9Li events, its excitation energy was determined to be 33.57(8) MeV using the invariant mass method. With the known masses of 11Li and its isobaric analog state in 11Be, three members of the same sextet have measured masses for the first time, permitting the masses of the remaining members to be extrapolated using the isobaric multiplet mass equation. All members of this multiplet are expected to have a two-nucleon halo structure and this was found consistent with the evolution of the mass across the sextet. The momentum correlations of the detected protons were found to have both "diproton" and "cigar" components.

Original language	English
Article number	041307
Journal	Physical Review C - Nuclear Physics
Volume	86
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevC.86.041307
Publication status	Published - 2012 Oct 31

ASJC Scopus subject areas

Nuclear and High Energy Physics

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Charity, R. J., Sobotka, L. G., Hagino, K., Bazin, D., Famiano, M. A., Gade, A., Hudan, S., Komarov, S. A., Lee, J., Lobastov, S. P., Lukyanov, S. M., Lynch, W. G., Metelko, C., Mocko, M., Rogers, A. M., Sagawa, H., Sanetullaev, A., Tsang, M. B., Wallace, M. S., ... Wuosmaa, A. H. (2012). Double isobaric analog of 11Li in 11B. Physical Review C - Nuclear Physics, 86(4), [041307]. https://doi.org/10.1103/PhysRevC.86.041307

Double isobaric analog of 11Li in 11B. / Charity, R. J.; Sobotka, L. G.; Hagino, K.; Bazin, D.; Famiano, M. A.; Gade, A.; Hudan, S.; Komarov, S. A.; Lee, Jenny; Lobastov, S. P.; Lukyanov, S. M.; Lynch, W. G.; Metelko, C.; Mocko, M.; Rogers, A. M.; Sagawa, H.; Sanetullaev, A.; Tsang, M. B.; Wallace, M. S.; Van Goethem, M. J.; Wuosmaa, A. H.

In: Physical Review C - Nuclear Physics, Vol. 86, No. 4, 041307, 31.10.2012.

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

Charity, RJ, Sobotka, LG, Hagino, K, Bazin, D, Famiano, MA, Gade, A, Hudan, S, Komarov, SA, Lee, J, Lobastov, SP, Lukyanov, SM, Lynch, WG, Metelko, C, Mocko, M, Rogers, AM, Sagawa, H, Sanetullaev, A, Tsang, MB, Wallace, MS, Van Goethem, MJ & Wuosmaa, AH 2012, 'Double isobaric analog of 11Li in 11B', Physical Review C - Nuclear Physics, vol. 86, no. 4, 041307. https://doi.org/10.1103/PhysRevC.86.041307

Charity, R. J. ; Sobotka, L. G. ; Hagino, K. ; Bazin, D. ; Famiano, M. A. ; Gade, A. ; Hudan, S. ; Komarov, S. A. ; Lee, Jenny ; Lobastov, S. P. ; Lukyanov, S. M. ; Lynch, W. G. ; Metelko, C. ; Mocko, M. ; Rogers, A. M. ; Sagawa, H. ; Sanetullaev, A. ; Tsang, M. B. ; Wallace, M. S. ; Van Goethem, M. J. ; Wuosmaa, A. H. / Double isobaric analog of 11Li in 11B. In: Physical Review C - Nuclear Physics. 2012 ; Vol. 86, No. 4.

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abstract = "The ground state of 11Li is the preeminent example of a two-neutron-halo nucleus and is part of an isobaric sextet. Another member of this sextet, the double isobaric analog of 11Lig.s. in 11B, has been identified in the 12Be(p,2n)11B reaction. The state was discovered through its two-proton decay branch. From detected 2p+9Li events, its excitation energy was determined to be 33.57(8) MeV using the invariant mass method. With the known masses of 11Li and its isobaric analog state in 11Be, three members of the same sextet have measured masses for the first time, permitting the masses of the remaining members to be extrapolated using the isobaric multiplet mass equation. All members of this multiplet are expected to have a two-nucleon halo structure and this was found consistent with the evolution of the mass across the sextet. The momentum correlations of the detected protons were found to have both {"}diproton{"} and {"}cigar{"} components.",

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AU - Gade, A.

AU - Hudan, S.

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AU - Sanetullaev, A.

AU - Tsang, M. B.

AU - Wallace, M. S.

AU - Van Goethem, M. J.

AU - Wuosmaa, A. H.

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N2 - The ground state of 11Li is the preeminent example of a two-neutron-halo nucleus and is part of an isobaric sextet. Another member of this sextet, the double isobaric analog of 11Lig.s. in 11B, has been identified in the 12Be(p,2n)11B reaction. The state was discovered through its two-proton decay branch. From detected 2p+9Li events, its excitation energy was determined to be 33.57(8) MeV using the invariant mass method. With the known masses of 11Li and its isobaric analog state in 11Be, three members of the same sextet have measured masses for the first time, permitting the masses of the remaining members to be extrapolated using the isobaric multiplet mass equation. All members of this multiplet are expected to have a two-nucleon halo structure and this was found consistent with the evolution of the mass across the sextet. The momentum correlations of the detected protons were found to have both "diproton" and "cigar" components.

AB - The ground state of 11Li is the preeminent example of a two-neutron-halo nucleus and is part of an isobaric sextet. Another member of this sextet, the double isobaric analog of 11Lig.s. in 11B, has been identified in the 12Be(p,2n)11B reaction. The state was discovered through its two-proton decay branch. From detected 2p+9Li events, its excitation energy was determined to be 33.57(8) MeV using the invariant mass method. With the known masses of 11Li and its isobaric analog state in 11Be, three members of the same sextet have measured masses for the first time, permitting the masses of the remaining members to be extrapolated using the isobaric multiplet mass equation. All members of this multiplet are expected to have a two-nucleon halo structure and this was found consistent with the evolution of the mass across the sextet. The momentum correlations of the detected protons were found to have both "diproton" and "cigar" components.

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