First Measurement of 87Rb(α, xn) Cross Sections at Weak r-process Energies in Supernova ν-driven Ejecta to Investigate Elemental Abundances in Low-metallicity Stars

Observed abundances of Z  ∼ 40 elements in metal-poor stars vary from star to star, indicating that the rapid and slow neutron capture processes may not contribute alone to the synthesis of elements beyond iron. The weak r -process was proposed to produce Z  ∼ 40 elements in a subset of old stars. T...

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主要な著者:	C. Fougères, M. L. Avila, A. Psaltis, M. Anastasiou, S. Bae, L. Balliet, K. Bhatt, L. Dienis, H. Jayatissa, V. Karayonchev, P. Mohr, F. Montes, D. Neto, F. de Oliveira Santos, W.-J. Ong, K. E. Rehm, W. Reviol, D. Santiago-Gonzalez, N. Sensharma, R. S. Sidhu, I. A. Tolstukhin
フォーマット:	Artigo
言語:	Inglês
出版事項:	IOP Publishing 2025-01-01
シリーズ:	The Astrophysical Journal
主題:	Core-collapse supernovae Isotopic abundances Nuclear astrophysics Nucleosynthesis R-process Nuclear physics
オンライン･アクセス:	https://doi.org/10.3847/1538-4357/adc253
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