# Challenges in nucleosynthesis of trans-iron elements

@article{Rauscher2014ChallengesIN,
title={Challenges in nucleosynthesis of trans-iron elements},
author={Thomas Rauscher},
year={2014},
volume={4},
pages={041012}
}
Nucleosynthesis beyond Fe poses additional challenges not encountered when studying astrophysical processes involving light nuclei. Astrophysical sites and conditions are not well known for some of the processes involved. On the nuclear physics side, different approaches are required, both in theory and experiment. The main differences and most important considerations are presented for a selection of nucleosynthesis processes and reactions, specifically the s-, r-, γ-, and νp-processes. Among…
28 Citations

## Figures from this paper

Uncertainties in νp-process nucleosynthesis from Monte Carlo variation of reaction rates
• Physics
Monthly Notices of the Royal Astronomical Society
• 2019
It has been suggested that a νp-process can occur when hot, dense, and proton-rich matter is expanding within a strong flux of antineutrinos. In such an environment, proton-rich nuclides can be
Theory Considerations For Nucleosynthesis Beyond Fe With Special Emphasis On p-Nuclei In Massive Stars
• Physics
• 2015
Nucleosynthesis of heavy elements requires the use of different experimental and theoretical methods to determine astrophysical reaction rates than light element nucleosynthesis. Additionally, there
Abundance Uncertainties Obtained With the PizBuin Framework For Monte Carlo Reaction Rate Variations
• Physics
• 2018
Uncertainties in nucleosynthesis models originating from uncertainties in astrophysical reaction rates were estimated in a Monte Carlo variation procedure. Thousands of rates were simultaneously
Photonuclear Reactions in Astrophysics
Nucleosynthesis in stars and stellar explosions proceeds via nuclear reactions in thermalized plasmas. Nuclear reactions not only transmutate elements and their isotopes, and thus create all known
Measurement of (α,n) reaction crosssections of erbium isotopes for testingastrophysical rate predictions
• Physics
• 2015
The γ-process in core-collapse and/or type Ia supernova explosions is thought to explain the origin of the majority of the so-called p nuclei (the 35 protonrich isotopes between Se and Hg).
Production of quasi-stellar neutron field at explosive stellar temperatures
Neutron-induced reactions on unstable isotopes play a key role in the nucleosynthesis i -, r -, p -, rp - and $$\nu p$$ ν p -processes occurring in astrophysical scenarios. While direct cross section
RADIOGENIC p-ISOTOPES FROM TYPE Ia SUPERNOVA, NUCLEAR PHYSICS UNCERTAINTIES, AND GALACTIC CHEMICAL EVOLUTION COMPARED WITH VALUES IN PRIMITIVE METEORITES
• Physics
• 2014
The nucleosynthesis of proton-rich isotopes is calculated for multi-dimensional Chandrasekhar-mass models of Type Ia supernovae (SNe Ia) with different metallicities. The predicted abundances of the
The branchings of the main s-process: their sensitivity to α-induced reactions on 13C and 22Ne and to the uncertainties of the nuclear network
• Physics
• 2015
This paper provides a detailed analysis of the main component of the slow neutron capture process(thes-process),whichaccountsforthesolarabundances ofhalfofthenucleiwith90 A 208. We examine the impact
Neutron-induced cross sections
• Physics
The European Physical Journal Plus
• 2018
Abstract.Neutron capture cross sections are one of the most important nuclear inputs to models of stellar nucleosynthesis of the elements heavier than iron. The activation technique and the

## References

SHOWING 1-10 OF 168 REFERENCES
Sensitivity of p-process nucleosynthesis to nuclear reaction rates in a 25 M. supernova model
• Physics
• 2006
The astrophysical p-process, which is responsible for the origin of the proton-rich stable nuclei heavier than iron, was investigated using a full nuclear reaction network for a Type II supernova
Critical Reactions in Contemporary Nuclear Astrophysics
• Physics
• 2012
Nuclear reaction rates play a critical role in the understanding of stellar evolution and explosions. However, in many cases nuclear reaction rates still carry large uncertainties due to the paucity
OPPORTUNITIES TO CONSTRAIN ASTROPHYSICAL REACTION RATES FOR THE s-PROCESS VIA DETERMINATION OF THE GROUND-STATE CROSS-SECTIONS
• Physics
• 2011
Modern models of s-process nucleosynthesis in stars require stellar reaction rates of high precision. Most neutron-capture cross-sections in the s-process have been measured, and for an increasing
Nucleosynthesis in Early Supernova Winds. II. The Role of Neutrinos
• Physics
• 2005
One of the outstanding unsolved riddles of nuclear astrophysics is the origin of the so-called p-process nuclei from A = 92 to 126. Both the lighter and heavier p-process nuclei are adequately
Nucleosynthesis in massive stars with improved nuclear and stellar physics
• Physics
• 2002
We present the first calculations to follow the evolution of all stable nuclei and their radioactive progenitors in stellar models computed from the onset of central hydrogen burning through
Suppression of the stellar enhancement factor and the reaction 85Rb(p,n)85Sr
• Physics
• 2009
Astrophysical reaction rates are central to tracing changes in the abundances of nuclei by nuclear reactions. They provide the temperature- and density-dependent coefficients entering reaction