The s Process and Beyond

M Lugaro, M Pignatari, R Reifarth… - Annual Review of …, 2023‏ - annualreviews.org
Neutron captures produce the vast majority of abundances of elements heavier than iron in
the Universe. Beyond the classical slow (s) and rapid (r) processes, there is observational …

Low energy nuclear physics with active targets and time projection chambers

D Bazin, T Ahn, Y Ayyad, S Beceiro-Novo… - Progress in Particle and …, 2020‏ - Elsevier
This article aims at covering various low energy nuclear physics themes that can benefit
from taking advantage of active targets and time projection chambers. They are naturally …

The Gaia-ESO Survey: a new approach to chemically characterising young open clusters-II. Abundances of the neutron-capture elements Cu, Sr, Y, Zr, Ba, La, and Ce

M Baratella, V D'Orazi, V Sheminova, L Spina… - Astronomy & …, 2021‏ - aanda.org
Context. Young open clusters (ages of less than 200 Myr) have been observed to exhibit
several peculiarities in their chemical compositions. These anomalies include a slightly sub …

Re-evaluation of the Ne()Mg and Ne()Mg reaction rates

P Adsley, U Battino, A Best, A Caciolli… - arxiv preprint arxiv …, 2020‏ - arxiv.org
The competing $^{22} $ Ne ($\alpha,\gamma $) $^{26} $ Mg and $^{22} $ Ne ($\alpha, n $)
$^{25} $ Mg reactions control the production of neutrons for the weak $ s $-process in …

Shedding Light on the Origin of , the Heaviest -Process–Only Isotope in the Solar System

A Casanovas-Hoste, C Domingo-Pardo… - Physical review …, 2024‏ - APS
Asymptotic giant branch stars are responsible for the production of most of the heavy
isotopes beyond Sr observed in the solar system. Among them, isotopes shielded from the r …

First direct limit on the 334 keV resonance strength in Ne(,)Mg reaction

D Piatti, E Masha, M Aliotta, J Balibrea-Correa… - The European Physical …, 2022‏ - Springer
In stars, the fusion of 22 Ne and 4 He may produce either 25 Mg, with the emission of a
neutron, or 26 Mg and a γ ray. At high temperature, the (α, n) channel dominates, while at …

The status and future of direct nuclear reaction measurements for stellar burning

M Aliotta, R Buompane, M Couder… - Journal of Physics G …, 2021‏ - iopscience.iop.org
The study of stellar burning began just over 100 years ago. Nonetheless, we do not yet have
a detailed picture of the nucleosynthesis within stars and how nucleosynthesis impacts …

The resonances in the Ne+ fusion reactions

M Wiescher, RJ DeBoer, J Görres - The European Physical Journal A, 2023‏ - Springer
The interplay and correlation between the 22 Ne (α, γ) 26 Mg and the competing 22 Ne (α, n)
25 Mg reaction plays an important role for the interpretation of the 22 Ne (α, n) 25 Mg …

Constraining the 22Ne (α, γ) 26Mg and 22Ne (α, n) 25Mg reaction rates using sub-Coulomb α-transfer reactions

H Jayatissa, GV Rogachev, VZ Goldberg, E Koshchiy… - Physics Letters B, 2020‏ - Elsevier
Abstract The 22 Ne (α, γ) 26 Mg and 22 Ne (α, n) 25 Mg reactions play an important role in
astrophysics because they have significant influence on the neutron flux during the weak …

Decay properties of 22Ne+ α resonances and their impact on s-process nucleosynthesis

S Ota, G Christian, G Lotay, WN Catford, EA Bennett… - Physics Letters B, 2020‏ - Elsevier
The astrophysical s-process is one of the two main processes forming elements heavier than
iron. A key outstanding uncertainty surrounding s-process nucleosynthesis is the neutron …