Results 21 to 30 of about 43,170,865 (319)
Mixing and Magnetic Fields in Asymptotic Giant Branch Stars in the Framework of FRUITY Models
Universe, 2021 In the last few years, the modeling of asymptotic giant branch (AGB) stars has been much investigated, both focusing on nucleosynthesis and stellar evolution aspects. Recent advances in the input physics required for stellar computations made it possible
Diego Vescovi
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The s-process Nucleosynthesis [PDF]
Proceedings of the International Astronomical Union, 2005 Theoretical as well as observational aspects of the s-process nucleosynthesis are reviewed. The classical site-independent s-process model as well as the s-process in massive stars are shortly described. A special attention is paid to the nucleosynthesis taking place in AGB stars and the extra-mixing invoked to explain the production of neutrons in the
Goriely, Stéphane, Siess, Lionel
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Molybdenum Isotope Dichotomy in Meteorites Caused by s-Process Variability
, 2021 Molybdenum isotopes measured in most individual presolar silicon carbide grains are dominated by s-process contributions from the helium intershells of asymptotic giant branch (AGB) stars.
T. Stephan, A. Davis
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Universe, 2022 The (n,α) reaction contributes in many processes of energy generation and nucleosynthesis in stellar environment. Since experimental data are available for a limited number of nuclei and in restricted energy ranges, at present only theoretical studies ...
Sema Küçüksucu +2 more
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Tạp chí Khoa học Đại học Huế: Khoa học Tự nhiên, 2021 The W isotopic compositions have been investigated within the classical approach to the s-process nucleosynthesis. The Maxwellian averaged neutron capture cross-sections (MACS) adopted in the calculation are obtained from the TALYS-1.9 code with four ...
Nhu Le Nguyen
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The origin of s-process isotope heterogeneity in the solar protoplanetary disk [PDF]
Nature Astronomy, 2019 Rocky asteroids and planets display nucleosynthetic isotope variations that are attributed to the heterogeneous distribution of stardust from different stellar sources in the solar protoplanetary disk.
M. Ek +3 more
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Yuanzineng kexue jishu, 2023 The origin of elements in the universe is a basic scientific problem. The slow neutron capture process (s-process) is believed to be responsible for the nucleosynthesis of about half of the elements heavier than iron.
HUANG Tianxing;WU Xinhui
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NuGrid stellar data set – III. Updated low-mass AGB models and s-process nucleosynthesis with metallicities Z= 0.01, Z = 0.02, and Z = 0.03 [PDF]
Monthly notices of the Royal Astronomical Society, 2019 The production of the neutron-capture isotopes beyond iron that we observe today in the Solar system is the result of the combined contribution of the r-process, the s-process, and possibly the i-process. Low-mass asymptotic giant branch (AGB) (1.5 < M/
U. Battino +8 more
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The s-process branching at $^{186}$Re revised [PDF]
Proceedings of International Symposium on Nuclear Astrophysics - Nuclei in the Cosmos - IX — PoS(NIC-IX), 2010 info:eu-repo/semantics ...
Mohr, Peter +3 more
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Chemical evolution with rotating massive star yields - I. The solar neighbourhood and the s-process elements [PDF]
, 2018 We present a comprehensive study of the abundance evolution of the elements from H to U in the Milky Way halo and local disk. We use a consistent chemical evolution model, metallicity dependent isotopic yields from low and intermediate mass stars and ...
N. Prantzos +5 more
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