Precision Mass Measurements of
Masses adjacent to the classical waiting-point nuclide ^{130}Cd have been measured by using the Penning-trap spectrometer ISOLTRAP at ISOLDE/CERN. We find a significant deviation of over 400 keV from earlier values evaluated by using nuclear beta-decay ...
D. Atanasov +22 more
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The slow neutron-capture process (s-process) efficiency in low-mass AGB stars (1.5 < M/M⊙ < 3) critically depends on how mixing processes in stellar interiors are handled, which is still affected by considerable uncertainties.
Umberto Battino +4 more
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Multiple Stellar Populations and Their Evolution in Globular Clusters: A Nucleosynthesis Perspective [PDF]
This paper presents a review of the characteristics of the multiple stellar populations observed in globular clusters, and of their possible origin. The current theoretical issues and the many open questions are discussed.
C. Charbonnel
semanticscholar +4 more sources
Phosphorus-rich stars with unusual abundances are challenging theoretical predictions [PDF]
Current models of Galactic chemical evolution under predict the phosphorus we observe in our Solar System. Here, the authors show the discovery of 15 phosphorus-rich stars with a peculiar abundance pattern that challenges the present stellar ...
Thomas Masseron +6 more
doaj +2 more sources
A New Look at Carbon Abundances in Planetary Nebulae. IV. Implications for Stellar Nucleosynthesis [PDF]
This paper is the fourth and final report on a project designed to study carbon abundances in a sample of planetary nebulae representing a broad range in progenitor mass and metallicity. We present newly acquired optical spectrophotometric data for three
R. B. C. Henry +2 more
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Atomic Data for Stellar Nucleosynthesis [PDF]
Christopher Sneden +3 more
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Pygmy resonances and radiative nucleon captures for stellar nucleosynthesis [PDF]
N. Tsoneva +3 more
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Neutron captures in stellar nucleosynthesis [PDF]
Apart from cosmological hydrogen and helium, chemical elements in the Universe are produced in stars, during both quiescent and explosive phases. The Sun chemical distribution witnesses the pollution from already extinct stellar generations at different ...
Cristallo Sergio
doaj +1 more source
The Stellar β-decay Rate of 134Cs and Its Impact on the Barium Nucleosynthesis in the s-process [PDF]
We have calculated the stellar β-decay rate of the important s-process branching point 134Cs based on the state-of-the-art shell model calculations. At typical s-process temperatures (T ∼ 0.2–0.3 GK), our new rate is one order of magnitude lower than the
Kuo-Ang Li +7 more
semanticscholar +1 more source
The r-process of stellar nucleosynthesis: Astrophysics and nuclear physics achievements and mysteries [PDF]
M. Arnould, S. Goriely, K. Takahashi
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