| Autor: |
Y.W. Hao, Y.F. Niu, Z.M. Niu |
| Jazyk: |
angličtina |
| Rok vydání: |
2023 |
| Předmět: |
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| Zdroj: |
Physics Letters B, Vol 844, Iss , Pp 138092- (2023) |
| Druh dokumentu: |
article |
| ISSN: |
0370-2693 |
| DOI: |
10.1016/j.physletb.2023.138092 |
| Popis: |
The sensitivity of the r-process rare-earth peak abundances to nuclear masses has been studied in different astrophysical scenarios. The most impactful nuclei lie along the r-process paths at r-process freeze-out and at the time when the neutron-capture timescale is approximately 3 times of the β-decay timescale (τnγ≈3τβ), corresponding to the onset and completion of rare-earth peak formation, respectively. In astrophysical scenario with fission involved, the sensitivities for nuclei lying along the r-process path at freeze-out are masked by the large contribution of fission products to the rare-earth peak abundances. This work provides recommended targets for future researches and thus helps to increase the understanding of rare-earth peak formation mechanism and the efficacy of the rare-earth peak as an r-process site diagnostic. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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Full Text from ScienceDirect