Indications of octupole correlation in 84Sr

被引：0

作者：

Anuj, S. ^{[1
]}

Kumar, S. ^{[1
]}

Kumar, Naveen ^{[1
]}

Rajput, Neelam ^{[1
]}

Devi, K. Rojeeta ^{[1
]}

Kumar, Neeraj ^{[1
]}

Ahmad, C., V ^{[1
]}

Banerjee, Akashrup ^{[1
]}

Rohilla, Aman ^{[1
]}

Gupta, C. K. ^{[1
]}

Pandey, Anand ^{[1
]}

Bhushan, Ravi ^{[1
]}

Gupta, Unnati ^{[1
]}

Mandal, S. K. ^{[1
]}

Bhattacharjee, S. S. ^{[2
]}

Arora, Divya ^{[2
]}

Garg, R. ^{[2
]}

Bala, Indu ^{[2
]}

Kumar, Rakesh ^{[2
]}

Singh, R. P. ^{[2
]}

Muralithar, S. ^{[2
]}

Jyothi, V. V. ^{[3
]}

Majumder, Chandrani ^{[4
]}

Sharma, Hariprakash ^{[4
]}

Sharma, Anupriya ^{[5
]}

Dhiman, S. K. ^{[5
]}

机构：

[1] Univ Delhi, Dept Phys & Astrophys, New Delhi 110007, India

[2] Interuniv Accelerator Ctr, Aruna Asaf Ali Marg, New Delhi 110067, India

[3] Andhra Univ, Dept Phys, Visakhapatnam 530003, India

[4] Banaras Hindu Univ, Dept Phys, Varanasi 221005, India

[5] Himachal Pradesh Univ, Dept Phys, Shimla 171005, India

来源：

PHYSICA SCRIPTA | 2023年 / 98卷 / 09期

关键词：

Nuclear Ge-76(C-12,4n)Sr-84 reaction; E=58 MeV measured E; I; E; -; coincidence; RDCO and polarization asymmetry(?) measurements; staggering parameter S(I); B(E1) /B(E2) ratio and B(E1) values; NUCLEAR-DATA SHEETS; HIGH-SPIN STATES; BAND-STRUCTURES; GAMMA-SOFTNESS; EXCITATIONS; SE-74;

D O I：

10.1088/1402-4896/ace8d2

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Excited states in the Sr-84 nucleus were investigated via the Ge-76(C-12,4n)Sr-84 reaction at a beam energy of 58 MeV. The de-excited ?-rays were detected using the Indian National Gamma Array (INGA) spectrometer at Inter-University Accelerator Center, New Delhi. Directional Correlation from Oriented (DCO) states ratio and the polarization asymmetry (& UDelta;) measurements were done to confirm the spin-parity of the low-lying states. Eight new ?-ray transitions were placed in the level scheme of Sr-84. The systematic behaviour of energy staggering S(I) of the ?-band (Band 1 and Band 2) was compared with the ?-bands in the mass A & AP; 80 region and the nuclei of other mass regions with similar behaviour (odd-I down). The E1 character is confirmed for strong ?-ray transitions connecting Band 3 to the Yrast band. Comparison of new results such as B(E1)/B(E2) ratio, frequency ratio ? (-)/? (+) and energy displacement & UDelta;E in Sr-84 with those of Se-72, Sm-150, Gd-152, Ra-220 and Th-224 nuclei suggests the presence of octupole correlations in Sr-84.

引用

页数：12

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