178 citations · 629 across the 10 of their papers we have counts for
12 papers
The physics of deep-interior convective shell boundaries in a massive pre-supernova star: Internal gravity wave mixing at the peak
Praneet Pathak, Falk Herwig, Simon Blouin +2
The physics of convective boundary mixing involves concepts such as penetration and overshooting and has been mostly characterized for envelope and core convection. For the burning…
Can COSI detect -ray lines from rare isotopes produced in the astrophysical intermediate neutron-capture process?
Falk Herwig, Pavel Denissenkov, Eric Burns
We investigate the nuclear -ray line emission from rare isotopes produced in the astrophysical intermediate neutron-capture process ( process) and assess the prospects of obs…
Stellar Interpretation of Meteoritic Data and PLotting for Everyone (SIMPLE): Isotope Mixing Lines for Six Sets of Core-Collapse Supernova Models
Marco Pignatari, Mattias Ek, Georgy V. Makhatadze +15
Bulk meteorites and their inclusions exhibit, for many chemical elements, isotopic variability produced by nucleosynthetic events in stars and supernovae before the formation of th…
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…
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…
Convective boundary mixing in a post-He core burning massive star model
Austin Davis, Sam Jones, Falk Herwig
Convective boundary mixing (CBM) in the advanced evolutionary stages of massive stars is not well understood. Structural changes caused by convection have an impact on the evolutio…
NuGrid Stellar Data Set. II. Stellar Yields from H to Bi for Stellar Models with Mzams = 1 to 25Msun and Z = 0.0001 to 0.02
C. Ritter, F. Herwig, S. Jones +3
We provide here a significant extension of the NuGrid Set 1 models in mass coverage and toward lower metallicity, adopting the same physics assumptions. The combined data set now i…
Idealised hydrodynamic simulations of turbulent oxygen-burning shell convection in 4π geometry
Samuel Jones, Robert Andrassy, Stou Sandalski +3
This work investigates the properties of convection in stars with particular emphasis on entrainment across the upper convective boundary (CB). Idealised simulations of turbulent c…
H ingestion into He-burning convection zones in super-AGB stellar models as a potential site for intermediate neutron-density nucleosynthesis
S. Jones, C. Ritter, F. Herwig +4
We investigate the evolution of super-AGB thermal pulse (TP) stars for a range of metallicities (Z) and explore the effect of convective boundary mixing (CBM). With decreasing meta…
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.…
Systematic and correlated nuclear uncertainties in the i-process at the neutron shell closure N = 82
M. G. Bertolli, F. Herwig, M. Pignatari +1
Nuclear astrophysics simulations aiming to study the origin of the elements in stars require a multitude of nuclear physics input. Both systematic model dependent and statistically…
Production of carbon-rich presolar grains from massive stars
M. Pignatari, M. Wiescher, F. X. Timmes +6
About a year after core collapse supernova, dust starts to condense in the ejecta. In meteorites, a fraction of C-rich presolar grains (e.g., silicon carbide (SiC) grains of Type-X…