Analysis of astrophysical <SUP>26</SUP>Mg(n,γ)<SUP>27</SUP>Mg reaction via the asymptotic normalization coefficient method
MODERN PHYSICS LETTERS A, cilt.39, sa.02, 2024 (SCI-Expanded, Scopus)
- Yayın Türü: Makale / Tam Makale
- Cilt numarası: 39 Sayı: 02
- Basım Tarihi: 2024
- Doi Numarası: 10.1142/s0217732323501882
- Dergi Adı: MODERN PHYSICS LETTERS A
- Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
- Eskişehir Osmangazi Üniversitesi Adresli: Evet
Özet
The Mg-26(n,gamma)(MgMg)-Mg-27-Mg-26(n, gamma)Mg-27 reaction plays a crucial role in the process of nucleosynthesis in stars. It occurs primarily in massive stars during their late evolutionary stages or during explosive events like supernovae. This paper focuses on investigating discrepancies in the ANC values of the Mg-26(n,gamma)(MgMg)-Mg-27-Mg-26(d, p)Mg-27 reaction by analyzing experimental angular distributions of Mg-26(d, p)(MgMg)-Mg-27-Mg-26(p, gamma)Mg-27 using the DWBA, ADWA and CDCC methods for both ground and first excited states. We then use a mirror nucleus procedure to extract information on the ANCs of the ground state Si-26(p,gamma)(PSi)-P-27-Si-26(d, p)P-27 reaction. The Hauser-Feshbach formalism of the statistical Compound Nucleus (CN) model was applied in this study to perform a compound-nucleus analysis of the Mg-26(d, p)(MgMg)-Mg-27-Mg-26(d, p)27Mg reaction. The Mg-26(d, p)(MgMg)-Mg-27-Mg-26(d, p)Mg-27 reaction has almost fulfilled the condition of peripherality, which is necessary for understanding the magnitude of the direct reaction contribution. ANCs for the Mg-27 -> Mg-26 + n(27)Mg -> Mg-26 + n virtual decay system were obtained. Moreover, according to charge symmetry of mirror nuclei, the square of proton ANC for a P-27 -> Si-26+p(27)P -> Si-26 + p is determined and comparison between the values of the presented ANCs.