Isospin symmetry breaking in the T=1, A=70 triplet

G. L. Zimba; P. Ruotsalainen; G. De Gregorio; G. De Angelis; J. Sarén; J. Uusitalo; K. Auranen; A. D. Briscoe; Z. Ge; T. Grahn; P. T. Greenlees; A. Illana; D. G. Jenkins; H. Joukainen; R. Julin; H. Jutila; A. Kankainen; J. Louko; M. Luoma; J. Ojala; J. Pakarinen; A. Raggio; P. Rahkila; J. Romero; M. Stryjczyk; A. Tolosa-Delgado; R. Wadsworth; A. Zadvornaya

doi:10.1103/PhysRevC.110.024314

Isospin symmetry breaking in the T=1, A=70 triplet

G. L. Zimba^*, P. Ruotsalainen, G. De Gregorio, G. De Angelis, J. Sarén, J. Uusitalo, K. Auranen, A. D. Briscoe, Z. Ge, T. Grahn, P. T. Greenlees, A. Illana, D. G. Jenkins, H. Joukainen, R. Julin, H. Jutila, A. Kankainen, J. Louko, M. Luoma, J. OjalaJ. Pakarinen, A. Raggio, P. Rahkila, J. Romero, M. Stryjczyk, A. Tolosa-Delgado, R. Wadsworth, A. Zadvornaya

^*Corresponding author for this work

Physics

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Abstract

Excited states in the Kr70 and Br70 nuclei were populated via the Ca40(S32,2n)Kr70 and Ca40(S32,pn)Br70 fusion-evaporation reactions at the Accelerator Laboratory of the University of Jyväskylä. The 2+⟶0+ and 4+⟶2+ transitions in Kr70 have been found to be 881(1) keV and (tentatively) 1037(2) keV, respectively. Several new γ-ray transitions were also identified in Br70, and the T=1 band has been tentatively extended up to Jπ=10+. The newly observed transitions in Kr70 and Br70 resolve discrepancies in the previously reported results for these nuclei. The experimental Coulomb, triplet, and mirror energy differences are compared with the results of two independent shell-model calculations. The comparisons aim to investigate the shape evolution and the role of the isospin breaking interactions in this mass region.

Original language	English
Article number	024314
Number of pages	13
Journal	Physical Review C
Volume	110
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevC.110.024314
Publication status	Published - 16 Aug 2024

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10.1103/PhysRevC.110.024314

Isospin symmetry breaking in the T = 1, A = 70 triplet
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Zimba, G. L., Ruotsalainen, P., De Gregorio, G., De Angelis, G., Sarén, J., Uusitalo, J., Auranen, K., Briscoe, A. D., Ge, Z., Grahn, T., Greenlees, P. T., Illana, A., Jenkins, D. G., Joukainen, H., Julin, R., Jutila, H., Kankainen, A., Louko, J., Luoma, M., ... Zadvornaya, A. (2024). Isospin symmetry breaking in the T=1, A=70 triplet. Physical Review C, 110(2), Article 024314. https://doi.org/10.1103/PhysRevC.110.024314

@article{2071438a32d74da7b277b34573a1a0bc,

title = "Isospin symmetry breaking in the T=1, A=70 triplet",

abstract = "Excited states in the Kr70 and Br70 nuclei were populated via the Ca40(S32,2n)Kr70 and Ca40(S32,pn)Br70 fusion-evaporation reactions at the Accelerator Laboratory of the University of Jyv{\"a}skyl{\"a}. The 2+⟶0+ and 4+⟶2+ transitions in Kr70 have been found to be 881(1) keV and (tentatively) 1037(2) keV, respectively. Several new γ-ray transitions were also identified in Br70, and the T=1 band has been tentatively extended up to Jπ=10+. The newly observed transitions in Kr70 and Br70 resolve discrepancies in the previously reported results for these nuclei. The experimental Coulomb, triplet, and mirror energy differences are compared with the results of two independent shell-model calculations. The comparisons aim to investigate the shape evolution and the role of the isospin breaking interactions in this mass region.",

author = "Zimba, {G. L.} and P. Ruotsalainen and {De Gregorio}, G. and {De Angelis}, G. and J. Sar{\'e}n and J. Uusitalo and K. Auranen and Briscoe, {A. D.} and Z. Ge and T. Grahn and Greenlees, {P. T.} and A. Illana and Jenkins, {D. G.} and H. Joukainen and R. Julin and H. Jutila and A. Kankainen and J. Louko and M. Luoma and J. Ojala and J. Pakarinen and A. Raggio and P. Rahkila and J. Romero and M. Stryjczyk and A. Tolosa-Delgado and R. Wadsworth and A. Zadvornaya",

note = "{\textcopyright}2024 American Physical Society. Uploaded in accordance with the publisher{\textquoteright}s self-archiving policy. Further copying may not be permitted; contact the publisher for details ",

year = "2024",

month = aug,

day = "16",

doi = "10.1103/PhysRevC.110.024314",

language = "English",

volume = "110",

journal = "Physical Review C",

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Zimba, GL, Ruotsalainen, P, De Gregorio, G, De Angelis, G, Sarén, J, Uusitalo, J, Auranen, K, Briscoe, AD, Ge, Z, Grahn, T, Greenlees, PT, Illana, A, Jenkins, DG, Joukainen, H, Julin, R, Jutila, H, Kankainen, A, Louko, J, Luoma, M, Ojala, J, Pakarinen, J, Raggio, A, Rahkila, P, Romero, J, Stryjczyk, M, Tolosa-Delgado, A, Wadsworth, R & Zadvornaya, A 2024, 'Isospin symmetry breaking in the T=1, A=70 triplet', Physical Review C, vol. 110, no. 2, 024314. https://doi.org/10.1103/PhysRevC.110.024314

TY - JOUR

T1 - Isospin symmetry breaking in the T=1, A=70 triplet

AU - Zimba, G. L.

AU - Ruotsalainen, P.

AU - De Gregorio, G.

AU - De Angelis, G.

AU - Sarén, J.

AU - Uusitalo, J.

AU - Auranen, K.

AU - Briscoe, A. D.

AU - Ge, Z.

AU - Grahn, T.

AU - Greenlees, P. T.

AU - Illana, A.

AU - Jenkins, D. G.

AU - Joukainen, H.

AU - Julin, R.

AU - Jutila, H.

AU - Kankainen, A.

AU - Louko, J.

AU - Luoma, M.

AU - Ojala, J.

AU - Pakarinen, J.

AU - Raggio, A.

AU - Rahkila, P.

AU - Romero, J.

AU - Stryjczyk, M.

AU - Tolosa-Delgado, A.

AU - Wadsworth, R.

AU - Zadvornaya, A.

PY - 2024/8/16

Y1 - 2024/8/16

N2 - Excited states in the Kr70 and Br70 nuclei were populated via the Ca40(S32,2n)Kr70 and Ca40(S32,pn)Br70 fusion-evaporation reactions at the Accelerator Laboratory of the University of Jyväskylä. The 2+⟶0+ and 4+⟶2+ transitions in Kr70 have been found to be 881(1) keV and (tentatively) 1037(2) keV, respectively. Several new γ-ray transitions were also identified in Br70, and the T=1 band has been tentatively extended up to Jπ=10+. The newly observed transitions in Kr70 and Br70 resolve discrepancies in the previously reported results for these nuclei. The experimental Coulomb, triplet, and mirror energy differences are compared with the results of two independent shell-model calculations. The comparisons aim to investigate the shape evolution and the role of the isospin breaking interactions in this mass region.

AB - Excited states in the Kr70 and Br70 nuclei were populated via the Ca40(S32,2n)Kr70 and Ca40(S32,pn)Br70 fusion-evaporation reactions at the Accelerator Laboratory of the University of Jyväskylä. The 2+⟶0+ and 4+⟶2+ transitions in Kr70 have been found to be 881(1) keV and (tentatively) 1037(2) keV, respectively. Several new γ-ray transitions were also identified in Br70, and the T=1 band has been tentatively extended up to Jπ=10+. The newly observed transitions in Kr70 and Br70 resolve discrepancies in the previously reported results for these nuclei. The experimental Coulomb, triplet, and mirror energy differences are compared with the results of two independent shell-model calculations. The comparisons aim to investigate the shape evolution and the role of the isospin breaking interactions in this mass region.

UR - http://www.scopus.com/inward/record.url?scp=85201708760&partnerID=8YFLogxK

U2 - 10.1103/PhysRevC.110.024314

DO - 10.1103/PhysRevC.110.024314

M3 - Article

AN - SCOPUS:85201708760

SN - 2469-9985

VL - 110

JO - Physical Review C

JF - Physical Review C

IS - 2

M1 - 024314

ER -

Isospin symmetry breaking in the T=1, A=70 triplet

Abstract

Bibliographical note

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Nuclear Physics Consolidated Grant 2021-2024

Nuclear Physics Consolidated Grant

Cite this

Isospin symmetry breaking in the T=1, A=70 triplet

Abstract

Bibliographical note

Access to Document

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Projects

Nuclear Physics Consolidated Grant 2021-2024

Nuclear Physics Consolidated Grant

Cite this