Reorientation-effect measurement of the < 2(1)(+)parallel to(E)over-cap2 parallel to 2(1)(+)> matrix element in Ar-36
文献类型：期刊论文
| 作者 | Orce, J. N.1,2; Montes, E. J. Martin1; Abrahams, K. J.1; Ngwetsheni, C.1; Brown, B. A.3,4; Raju, M. Kumar1,5,10; Mehl, C., V1; Mokgolobotho, M. J.1; Akakpo, E. H.1,6; Mavela, D. L.1 |
| 刊名 | PHYSICAL REVIEW C
 |
| 出版日期 | 2021-12-16 |
| 卷号 | 104期号:6页码:7 |
| ISSN号 | 2469-9985 |
| DOI | 10.1103/PhysRevC.104.L061305 |
| 通讯作者 | Orce, J. N.(coulex@gmail.com) |
| 英文摘要 | The spectroscopic quadrupole moment of the first excited 2(1)(+) state, Q(s)(2(1)(+)), at 1.970 MeV in Ar-36 was determined at energies well below the Coulomb barrier-where nuclear interference effects are negligible- using the Pt-194(Ar-36, Ar-36(+)) Pt-194(+) Coulomb-excitation reaction at 134.2 MeV. Particle-gamma coincidence data were collected using the AFRODITE array-composed of eight high-purity germanium clover detectors-and an upstream double-sided silicon detector at iThemba LABS. A large diagonal matrix element of < 2(1)(+)parallel to(E) over cap2 parallel to 2(1)(+)) = 0.163(42) eb was determined, which yields a more accurate value of Q(s)(2(1)(+)) = +0.12(3) eb as compared with previous work, Q(s)(2(1)(+)) = +0.11(6) eb, in agreement with modern beyond mean-field and large-scale shell-model calculations. This value is consistent with the ratio of electric quadrupole moments found for other A = 4n self-conjugate nuclei extracted from the reorientation effect and the rotor model, which are surprisingly equivalent to those observed in good rotors in the mass A approximate to 160-180 region. |
| WOS关键词 | 1ST EXCITED-STATES ; ELECTRIC QUADRUPOLE-MOMENTS ; B(E2) VALUES ; SHELL ; S-32 ; EXCITATION ; LIFETIMES ; ENERGIES ; NUCLEI ; SI-28 |
| 资助项目 | South Africa's National Research Foundation (NRF)[93500] ; SANHARP program ; National Science Foundation (NSF)[PHY-1811855] ; National Science Foundation (NSF)[PHY-2110365] ; SA-CERN Collaboration ; MANuS/MatSci Honours/Masters program |
| WOS研究方向 | Physics |
| 语种 | 英语 |
| 出版者 | AMER PHYSICAL SOC |
| WOS记录号 | WOS:000734363000001 |
| 资助机构 | South Africa's National Research Foundation (NRF) ; SANHARP program ; National Science Foundation (NSF) ; SA-CERN Collaboration ; MANuS/MatSci Honours/Masters program |
| 源URL | [http://119.78.100.186/handle/113462/142440]  |
| 专题 | 中国科学院近代物理研究所 |
| 通讯作者 | Orce, J. N. |
| 作者单位 | 1.Univ Western Cape, Dept Phys & Astron, P-B X17, ZA-7535 Bellville, South Africa 2.Natl Inst Theoret & Computat Sci NITheCS, ZA-7535 Stellenbosch, South Africa 3.Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA 4.Michigan State Univ, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA 5.Natl Res Fdn, iThemba Labs, POB 722, ZA-7129 Somerset West, South Africa 6.Univ Zululand, Dept Phys & Engn, P-B X1001, ZA-3886 Kwa Dlangezwa, South Africa 7.Univ Stellenbosch, Dept Phys, Private Bag X1, ZA-7602 Matieland, South Africa 8.Univ Witwatersrand, Sch Phys, ZA-2050 Johannesburg, South Africa 9.Univ Sci, Fac Phys, BP 32 El Alia, Bab Ezzouar 16111, Alger, Algeria 10.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China |
| 推荐引用方式 GB/T 7714 | Orce, J. N.,Montes, E. J. Martin,Abrahams, K. J.,et al. Reorientation-effect measurement of the < 2(1)(+)parallel to(E)over-cap2 parallel to 2(1)(+)> matrix element in Ar-36[J]. PHYSICAL REVIEW C,2021,104(6):7. |
| APA | Orce, J. N..,Montes, E. J. Martin.,Abrahams, K. J..,Ngwetsheni, C..,Brown, B. A..,...&Yahia-Cherif, W..(2021).Reorientation-effect measurement of the < 2(1)(+)parallel to(E)over-cap2 parallel to 2(1)(+)> matrix element in Ar-36.PHYSICAL REVIEW C,104(6),7. |
| MLA | Orce, J. N.,et al."Reorientation-effect measurement of the < 2(1)(+)parallel to(E)over-cap2 parallel to 2(1)(+)> matrix element in Ar-36".PHYSICAL REVIEW C 104.6(2021):7. |
入库方式： OAI收割
来源：近代物理研究所
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