91 citations · 168 across the 4 of their papers we have counts for
9 papers · 1 filter
Influence of two updated nuclear reaction rates on the evolution of low and intermediate mass stars
A. Weiss, A. Serenelli, A. Kitsikis +2
Two key reactions of hydrostatic nuclear burning in stars have recently been revised by new experimental data - the 14N(p,gamma)15O and triple alpha reaction rates. We investigate…
Quantum corrections to microscopic diffusion constants
H. Schlattl, M. Salaris
We review the state of the art regarding the computation of the resistance coefficients in conditions typical of the stellar plasma, and compare the various results studying their…
First full evolutionary computation of the He-flash induced mixing in Population II stars
S. Cassisi, H. Schlattl, M. Salaris +1
The core helium-flash in low-mass stars with extreme mass loss occurs after the tip of the RGB, when the H-rich envelope is very thin. The low efficiency of the H-shell source enab…
Temporal variation of coupling constants and nucleosynthesis
H. Oberhummer, A. Csoto, M. Fairbairn +2
We investigate the triple-alpha process and the Oklo phenomenon to obtain constraints on possible cosmological time variations of fundamental constants. Specifically we study cosmo…
Microscopic diffusion of partly ionized metals in the Sun and metal-poor stars
H. Schlattl
An improved microscopic diffusion in stars is presented considering in detail the partly ionized stages of metals. Besides,the influence of degenerate electron-gas and of the contr…
The surface carbon and nitrogen abundances in models of ultra metal-poor stars
H. Schlattl, M. Salaris, S. Cassisi +1
We investigate whether the observed high number of carbon- and nitrogen-enhanced extremely metal-poor stars could be explained by peculiar evolutionary properties during the core H…