Octupole correlations, pseudospin partner bands, and γ vibrational band in 75As

C. Liu; W. B. Zeng; S. Y. Wang; H. Zhang; B. Qi; X. Xiao; R. A. Bark; J. Meng; S. Q. Zhang; H. Hua; P. Jones; S. M. Wyngaardt; W. Z. Xu; H. F. Bai; S. Wang; D. P. Sun; Z. Q. Li; H. Jia; R. J. Guo; X. C. Han; L. Mu; X. Lu; C. Y. Niu; C. G. Wang; E. A. Lawrie; J. J. Lawrie; J. F. Sharpey-Schafer; M. Wiedeking; S. N.T. Majola; T. D. Bucher; T. Dinoko; B. Maqabuka; L. Makhathini; L. Mdletshe; N. A. Khumalo; O. Shirinda; K. Sowazi

doi:10.1103/rzrx-yh5f

Octupole correlations, pseudospin partner bands, and γ vibrational band in ⁷⁵As

C. Liu, W. B. Zeng, S. Y. Wang, H. Zhang, B. Qi, X. Xiao, R. A. Bark, J. Meng, S. Q. Zhang, H. Hua, P. Jones, S. M. Wyngaardt, W. Z. Xu, H. F. Bai, S. Wang, D. P. Sun, Z. Q. Li, H. Jia, R. J. Guo, X. C. HanL. Mu, X. Lu, C. Y. Niu, C. G. Wang, E. A. Lawrie, J. J. Lawrie, J. F. Sharpey-Schafer, M. Wiedeking, S. N.T. Majola, T. D. Bucher, T. Dinoko, B. Maqabuka, L. Makhathini, L. Mdletshe, N. A. Khumalo, O. Shirinda, K. Sowazi

Physics

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

Abstract

High spin states in ⁷⁵As were investigated by using the ⁷⁴Ge(α, p2n) reaction. A total of 27 transitions and 15 levels were newly identified in the level scheme. Based on the experimental characteristics of the observed rotational bands, the positive parity bands 2 and 3 are suggested as a signature partner band and a γ vibrational band of the yrast band 1, respectively. The nearly degenerate negative parity doublet bands 4 and 5 were interpreted as a pair of pseudospin partner bands based on the relativistic density functional theory and the particle plus rotor model calculations. Additionally, evidence of octupole correlations were observed. The present work reports the coexistence of the soft triaxial and soft octupole deformations in atomic nuclei, which shows a diversity of nuclear shapes and collective excitations in this mass region.

Original language	English
Article number	034337
Pages (from-to)	1-9
Number of pages	9
Journal	Physical Review C
Volume	112
Issue number	3
DOIs	https://doi.org/10.1103/rzrx-yh5f
Publication status	Published - 29 Sept 2025

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/rzrx-yh5f

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Liu, C., Zeng, W. B., Wang, S. Y., Zhang, H., Qi, B., Xiao, X., Bark, R. A., Meng, J., Zhang, S. Q., Hua, H., Jones, P., Wyngaardt, S. M., Xu, W. Z., Bai, H. F., Wang, S., Sun, D. P., Li, Z. Q., Jia, H., Guo, R. J., ... Sowazi, K. (2025). Octupole correlations, pseudospin partner bands, and γ vibrational band in ⁷⁵As. Physical Review C, 112(3), 1-9. Article 034337. https://doi.org/10.1103/rzrx-yh5f

@article{6191538a59d9471999e8527984857079,

title = "Octupole correlations, pseudospin partner bands, and γ vibrational band in 75As",

abstract = "High spin states in 75As were investigated by using the 74Ge(α, p2n) reaction. A total of 27 transitions and 15 levels were newly identified in the level scheme. Based on the experimental characteristics of the observed rotational bands, the positive parity bands 2 and 3 are suggested as a signature partner band and a γ vibrational band of the yrast band 1, respectively. The nearly degenerate negative parity doublet bands 4 and 5 were interpreted as a pair of pseudospin partner bands based on the relativistic density functional theory and the particle plus rotor model calculations. Additionally, evidence of octupole correlations were observed. The present work reports the coexistence of the soft triaxial and soft octupole deformations in atomic nuclei, which shows a diversity of nuclear shapes and collective excitations in this mass region.",

author = "C. Liu and Zeng, \{W. B.\} and Wang, \{S. Y.\} and H. Zhang and B. Qi and X. Xiao and Bark, \{R. A.\} and J. Meng and Zhang, \{S. Q.\} and H. Hua and P. Jones and Wyngaardt, \{S. M.\} and Xu, \{W. Z.\} and Bai, \{H. F.\} and S. Wang and Sun, \{D. P.\} and Li, \{Z. Q.\} and H. Jia and Guo, \{R. J.\} and Han, \{X. C.\} and L. Mu and X. Lu and Niu, \{C. Y.\} and Wang, \{C. G.\} and Lawrie, \{E. A.\} and Lawrie, \{J. J.\} and Sharpey-Schafer, \{J. F.\} and M. Wiedeking and Majola, \{S. N.T.\} and Bucher, \{T. D.\} and T. Dinoko and B. Maqabuka and L. Makhathini and L. Mdletshe and Khumalo, \{N. A.\} and O. Shirinda and K. Sowazi",

note = "Publisher Copyright: {\textcopyright} 2025 American Physical Society",

year = "2025",

month = sep,

day = "29",

doi = "10.1103/rzrx-yh5f",

language = "English",

volume = "112",

pages = "1--9",

journal = "Physical Review C",

issn = "2469-9985",

publisher = "American Physical Society",

number = "3",

}

Liu, C, Zeng, WB, Wang, SY, Zhang, H, Qi, B, Xiao, X, Bark, RA, Meng, J, Zhang, SQ, Hua, H, Jones, P, Wyngaardt, SM, Xu, WZ, Bai, HF, Wang, S, Sun, DP, Li, ZQ, Jia, H, Guo, RJ, Han, XC, Mu, L, Lu, X, Niu, CY, Wang, CG, Lawrie, EA, Lawrie, JJ, Sharpey-Schafer, JF, Wiedeking, M, Majola, SNT, Bucher, TD, Dinoko, T, Maqabuka, B, Makhathini, L, Mdletshe, L, Khumalo, NA, Shirinda, O & Sowazi, K 2025, 'Octupole correlations, pseudospin partner bands, and γ vibrational band in ⁷⁵As', Physical Review C, vol. 112, no. 3, 034337, pp. 1-9. https://doi.org/10.1103/rzrx-yh5f

TY - JOUR

T1 - Octupole correlations, pseudospin partner bands, and γ vibrational band in 75As

AU - Liu, C.

AU - Zeng, W. B.

AU - Wang, S. Y.

AU - Zhang, H.

AU - Qi, B.

AU - Xiao, X.

AU - Bark, R. A.

AU - Meng, J.

AU - Zhang, S. Q.

AU - Hua, H.

AU - Jones, P.

AU - Wyngaardt, S. M.

AU - Xu, W. Z.

AU - Bai, H. F.

AU - Wang, S.

AU - Sun, D. P.

AU - Li, Z. Q.

AU - Jia, H.

AU - Guo, R. J.

AU - Han, X. C.

AU - Mu, L.

AU - Lu, X.

AU - Niu, C. Y.

AU - Wang, C. G.

AU - Lawrie, E. A.

AU - Lawrie, J. J.

AU - Sharpey-Schafer, J. F.

AU - Wiedeking, M.

AU - Majola, S. N.T.

AU - Bucher, T. D.

AU - Dinoko, T.

AU - Maqabuka, B.

AU - Makhathini, L.

AU - Mdletshe, L.

AU - Khumalo, N. A.

AU - Shirinda, O.

AU - Sowazi, K.

PY - 2025/9/29

Y1 - 2025/9/29

N2 - High spin states in 75As were investigated by using the 74Ge(α, p2n) reaction. A total of 27 transitions and 15 levels were newly identified in the level scheme. Based on the experimental characteristics of the observed rotational bands, the positive parity bands 2 and 3 are suggested as a signature partner band and a γ vibrational band of the yrast band 1, respectively. The nearly degenerate negative parity doublet bands 4 and 5 were interpreted as a pair of pseudospin partner bands based on the relativistic density functional theory and the particle plus rotor model calculations. Additionally, evidence of octupole correlations were observed. The present work reports the coexistence of the soft triaxial and soft octupole deformations in atomic nuclei, which shows a diversity of nuclear shapes and collective excitations in this mass region.

AB - High spin states in 75As were investigated by using the 74Ge(α, p2n) reaction. A total of 27 transitions and 15 levels were newly identified in the level scheme. Based on the experimental characteristics of the observed rotational bands, the positive parity bands 2 and 3 are suggested as a signature partner band and a γ vibrational band of the yrast band 1, respectively. The nearly degenerate negative parity doublet bands 4 and 5 were interpreted as a pair of pseudospin partner bands based on the relativistic density functional theory and the particle plus rotor model calculations. Additionally, evidence of octupole correlations were observed. The present work reports the coexistence of the soft triaxial and soft octupole deformations in atomic nuclei, which shows a diversity of nuclear shapes and collective excitations in this mass region.

UR - https://www.scopus.com/pages/publications/105020880837

U2 - 10.1103/rzrx-yh5f

DO - 10.1103/rzrx-yh5f

M3 - Article

AN - SCOPUS:105020880837

SN - 2469-9985

VL - 112

SP - 1

EP - 9

JO - Physical Review C

JF - Physical Review C

IS - 3

M1 - 034337

ER -

Octupole correlations, pseudospin partner bands, and γ vibrational band in ⁷⁵As

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