activity
20142025
most citedCarbon-rich presolar grains from massive stars. Subsolar 12C/13C and 14N/15N ratios and the mystery of 15N

81 citations · 352 across the 17 of their papers we have counts for

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12 papers · 1 filter

astro-ph.SR2025

Trans-Fe elements from Type Ia Supernovae. I. Heavy element nucleosynthesis during the formation of near-Chandrasekhar white dwarfs

Umberto Battino, James Keegans, Megan Allen +9

Type Ia supernovae (SNIa) are thermonuclear explosions of white dwarfs in binary systems. They are central to galactic chemical evolution and serve as standardizable candles in cos…

astro-ph.SR2024★ 1 cited

Grids of stellar models with rotation VIII: Models from 1.7 to 500 at metallicity

Yves Sibony, Kendall G. Shepherd, Norhasliza Yusof +12

Grids of stellar evolution models with rotation using the Geneva stellar evolution code (Genec) have been published for a wide range of metallicities. We introduce the last remaini…

astro-ph.SR2022★ 13 cited

Very massive star winds as sources of the short-lived radioactive isotope Al

S. Martinet, G. Meynet, D. Nandal +7

The Al short-lived radioactive nuclide is the source of the observed galactic diffuse -ray emission at 1.8 MeV. While different sources of Al have been explored, s…

astro-ph.SR2019★ 37 cited

Uncertainties in p-process nucleosynthesis from Monte Carlo variation of reaction rates

N. Nishimura, T. Rauscher, R. Hirschi +3

It has been suggested that a p process can occur when hot, dense, and proton-rich matter is expanding within a strong flux of anti-neutrinos. In such an environment, proton-rich…

astro-ph.SR2019★ 66 cited

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

Umberto Battino, Ashley Tattersall, Claudia Lederer-Woods +6

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…

astro-ph.SR2018★ 46 cited

Uncertainties in s-process nucleosynthesis in low mass stars determined from Monte Carlo variations

G. Cescutti, R. Hirschi, N. Nishimura +4

The main s-process taking place in low mass stars produces about half of the elements heavier than iron. It is therefore very important to determine the importance and impact of nu…

astro-ph.SR2017★ 53 cited

Uncertainties in the production of p nuclides in thermonuclear supernovae determined by Monte Carlo variations

N. Nishimura, T. Rauscher, R. Hirschi +3

Thermonuclear supernovae originating from the explosion of a white dwarf accreting mass from a companion star have been suggested as a site for the production of nuclides. Such…

astro-ph.SR2017★ 2 cited

Abundance Uncertainties Obtained With the PizBuin Framework For Monte Carlo Reaction Rate Variations

T. Rauscher, N. Nishimura, G. Cescutti +2

Uncertainties in nucleosynthesis models originating from uncertainties in astrophysical reaction rates were estimated in a Monte Carlo variation procedure. Thousands of rates were…

astro-ph.SR2017

The s-process nucleosynthesis: impact of the uncertainties in the nuclear physics determined by Monte Carlo variations

G. Cescutti, N. Nishimura, R. Hirschi +3

We investigated the impact of uncertainties in neutron-capture and weak reactions (on heavy elements) on the s-process nucleosynthesis in low-mass stars and massive stars using a M…

astro-ph.SR2016★ 12 cited

Linking 1D Evolutionary to 3D Hydrodynamical Simulations of Massive Stars

Andréa Cristini, Casey Meakin, Raphael Hirschi +3

Stellar evolution models of massive stars are important for many areas of astrophysics, for example nucleosynthesis yields, supernova progenitor models and understanding physics un…

astro-ph.SR2015★ 81 cited

Carbon-rich presolar grains from massive stars. Subsolar 12C/13C and 14N/15N ratios and the mystery of 15N

M. Pignatari, E. Zinner, P. Hoppe +7

Carbon-rich grains with isotopic anomalies compared to the Sun are found in primitive meteorites. They were made by stars, and carry the original stellar nucleosynthesis signature.…

astro-ph.SR2014★ 2 cited

Linking 1D Stellar Evolution to 3D Hydrodynamical Simulations

Andrea Cristini, Raphael Hirschi, Cyril Georgy +3

In this contribution we present initial results of a study on convective boundary mixing (CBM) in massive stellar models using the GENEVA stellar evolution code. Before undertaking…