Particle decays of levels in N 11,12 and O 12 investigated with the invariant-mass method

T. B. Webb; R. J. Charity; J. M. Elson; D. E.M. Hoff; C. D. Pruitt; L. G. Sobotka; K. W. Brown; J. Barney; G. Cerizza; J. Estee; G. Jhang; W. G. Lynch; J. Manfredi; P. Morfouace; C. Santamaria; S. Sweany; M. B. Tsang; T. Tsang; S. M. Wang; Y. Zhang; K. Zhu; S. A. Kuvin; D. Mcneel; J. Smith; A. H. Wuosmaa; Z. Chajecki

doi:10.1103/PhysRevC.100.024306

Particle decays of levels in N 11,12 and O 12 investigated with the invariant-mass method

T. B. Webb
, R. J. Charity
, J. M. Elson
, D. E.M. Hoff
, C. D. Pruitt
, L. G. Sobotka
, K. W. Brown
, J. Barney
, G. Cerizza
, J. Estee
, G. Jhang
, W. G. Lynch
, J. Manfredi
, P. Morfouace
, C. Santamaria
, S. Sweany
, M. B. Tsang
, T. Tsang
, S. M. Wang
, Y. Zhang

K. Zhu, S. A. Kuvin, D. Mcneel, J. Smith, A. H. Wuosmaa, Z. Chajecki

Department of Chemistry

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

25 Scopus citations

Abstract

Particle-decaying states of the light nuclei N11,12 and O12 were studied using the invariant-mass method. The decay energies and intrinsic widths of a number of states were measured, and the momentum correlations of three-body decaying states were considered. A second 2p-decaying 2+ state of O12 was observed for the first time, and a higher-energy O12 state was observed in the 4p+2α decay channel. This 4p+2α channel also contains contributions from fissionlike decay paths, including Beg.s.6+Beg.s.6. Analogs to these states in O12 were found in N12 in the 2p+B10 and 2p+α+Li6 channels. The momentum correlations for the prompt 2p decay of Og.s.12 were found to be nearly identical to those of Neg.s.16, and the correlations for the new 2+ state were found to be consistent with sequential decay through excited states in N11. The momentum correlations for the 21+ state in O12 provide a new value for the N11 ground-state energy. The states in N12/O12 that belong to the A=12 isobaric sextet do not deviate from the quadratic isobaric multiplet mass equation form.

Original language	English
Article number	024306
Journal	Physical Review C
Volume	100
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevC.100.024306
State	Published - Aug 6 2019

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Webb, T. B., Charity, R. J., Elson, J. M., Hoff, D. E. M., Pruitt, C. D., Sobotka, L. G., Brown, K. W., Barney, J., Cerizza, G., Estee, J., Jhang, G., Lynch, W. G., Manfredi, J., Morfouace, P., Santamaria, C., Sweany, S., Tsang, M. B., Tsang, T., Wang, S. M., ... Chajecki, Z. (2019). Particle decays of levels in N 11,12 and O 12 investigated with the invariant-mass method. Physical Review C, 100(2), Article 024306. https://doi.org/10.1103/PhysRevC.100.024306

@article{b87a1687cb474756a8cf26b520648d26,

title = "Particle decays of levels in N 11,12 and O 12 investigated with the invariant-mass method",

abstract = "Particle-decaying states of the light nuclei N11,12 and O12 were studied using the invariant-mass method. The decay energies and intrinsic widths of a number of states were measured, and the momentum correlations of three-body decaying states were considered. A second 2p-decaying 2+ state of O12 was observed for the first time, and a higher-energy O12 state was observed in the 4p+2α decay channel. This 4p+2α channel also contains contributions from fissionlike decay paths, including Beg.s.6+Beg.s.6. Analogs to these states in O12 were found in N12 in the 2p+B10 and 2p+α+Li6 channels. The momentum correlations for the prompt 2p decay of Og.s.12 were found to be nearly identical to those of Neg.s.16, and the correlations for the new 2+ state were found to be consistent with sequential decay through excited states in N11. The momentum correlations for the 21+ state in O12 provide a new value for the N11 ground-state energy. The states in N12/O12 that belong to the A=12 isobaric sextet do not deviate from the quadratic isobaric multiplet mass equation form.",

author = "Webb, \{T. B.\} and Charity, \{R. J.\} and Elson, \{J. M.\} and Hoff, \{D. E.M.\} and Pruitt, \{C. D.\} and Sobotka, \{L. G.\} and Brown, \{K. W.\} and J. Barney and G. Cerizza and J. Estee and G. Jhang and Lynch, \{W. G.\} and J. Manfredi and P. Morfouace and C. Santamaria and S. Sweany and Tsang, \{M. B.\} and T. Tsang and Wang, \{S. M.\} and Y. Zhang and K. Zhu and Kuvin, \{S. A.\} and D. Mcneel and J. Smith and Wuosmaa, \{A. H.\} and Z. Chajecki",

note = "Publisher Copyright: {\textcopyright} 2019 American Physical Society.",

year = "2019",

month = aug,

day = "6",

doi = "10.1103/PhysRevC.100.024306",

language = "English",

volume = "100",

journal = "Physical Review C",

issn = "2469-9985",

number = "2",

}

Webb, TB, Charity, RJ, Elson, JM, Hoff, DEM, Pruitt, CD, Sobotka, LG, Brown, KW, Barney, J, Cerizza, G, Estee, J, Jhang, G, Lynch, WG, Manfredi, J, Morfouace, P, Santamaria, C, Sweany, S, Tsang, MB, Tsang, T, Wang, SM, Zhang, Y, Zhu, K, Kuvin, SA, Mcneel, D, Smith, J, Wuosmaa, AH & Chajecki, Z 2019, 'Particle decays of levels in N 11,12 and O 12 investigated with the invariant-mass method', Physical Review C, vol. 100, no. 2, 024306. https://doi.org/10.1103/PhysRevC.100.024306

TY - JOUR

T1 - Particle decays of levels in N 11,12 and O 12 investigated with the invariant-mass method

AU - Webb, T. B.

AU - Charity, R. J.

AU - Elson, J. M.

AU - Hoff, D. E.M.

AU - Pruitt, C. D.

AU - Sobotka, L. G.

AU - Brown, K. W.

AU - Barney, J.

AU - Cerizza, G.

AU - Estee, J.

AU - Jhang, G.

AU - Lynch, W. G.

AU - Manfredi, J.

AU - Morfouace, P.

AU - Santamaria, C.

AU - Sweany, S.

AU - Tsang, M. B.

AU - Tsang, T.

AU - Wang, S. M.

AU - Zhang, Y.

AU - Zhu, K.

AU - Kuvin, S. A.

AU - Mcneel, D.

AU - Smith, J.

AU - Wuosmaa, A. H.

AU - Chajecki, Z.

PY - 2019/8/6

Y1 - 2019/8/6

N2 - Particle-decaying states of the light nuclei N11,12 and O12 were studied using the invariant-mass method. The decay energies and intrinsic widths of a number of states were measured, and the momentum correlations of three-body decaying states were considered. A second 2p-decaying 2+ state of O12 was observed for the first time, and a higher-energy O12 state was observed in the 4p+2α decay channel. This 4p+2α channel also contains contributions from fissionlike decay paths, including Beg.s.6+Beg.s.6. Analogs to these states in O12 were found in N12 in the 2p+B10 and 2p+α+Li6 channels. The momentum correlations for the prompt 2p decay of Og.s.12 were found to be nearly identical to those of Neg.s.16, and the correlations for the new 2+ state were found to be consistent with sequential decay through excited states in N11. The momentum correlations for the 21+ state in O12 provide a new value for the N11 ground-state energy. The states in N12/O12 that belong to the A=12 isobaric sextet do not deviate from the quadratic isobaric multiplet mass equation form.

AB - Particle-decaying states of the light nuclei N11,12 and O12 were studied using the invariant-mass method. The decay energies and intrinsic widths of a number of states were measured, and the momentum correlations of three-body decaying states were considered. A second 2p-decaying 2+ state of O12 was observed for the first time, and a higher-energy O12 state was observed in the 4p+2α decay channel. This 4p+2α channel also contains contributions from fissionlike decay paths, including Beg.s.6+Beg.s.6. Analogs to these states in O12 were found in N12 in the 2p+B10 and 2p+α+Li6 channels. The momentum correlations for the prompt 2p decay of Og.s.12 were found to be nearly identical to those of Neg.s.16, and the correlations for the new 2+ state were found to be consistent with sequential decay through excited states in N11. The momentum correlations for the 21+ state in O12 provide a new value for the N11 ground-state energy. The states in N12/O12 that belong to the A=12 isobaric sextet do not deviate from the quadratic isobaric multiplet mass equation form.

UR - https://www.scopus.com/pages/publications/85070549789

U2 - 10.1103/PhysRevC.100.024306

DO - 10.1103/PhysRevC.100.024306

M3 - Article

AN - SCOPUS:85070549789

SN - 2469-9985

VL - 100

JO - Physical Review C

JF - Physical Review C

IS - 2

M1 - 024306

ER -

Particle decays of levels in N 11,12 and O 12 investigated with the invariant-mass method

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