Solar model differences between CLES and Cesam2k20 are traced largely to opacity table interpolation, while turbulent mixing tuned to destroy lithium leaves CNO neutrino fluxes far below Borexino measurements.
Local Mixing near the Solar Core, Neutrino Fluxes and Helioseismology
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abstract
We have computed solar models similar to those published in Richard, Vauclair, Charbonnel, Dziembowski (1996), in which we have added local mixing near the solar core in order to decrease the neutrino production. The results show that the neutrino fluxes are reduced as expected (although not enough to account for the observed values), but the obtained models are incompatible with the inversion of the helioseismic modes. We have specially tested the parametrized mixing proposed by Morel and Schatzman (1996). The resulting solar models are far from the seismic model and thus unrealistic.
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The impact of the transport of chemicals and electronic screening on helioseismic and neutrino observations in solar models
Solar model differences between CLES and Cesam2k20 are traced largely to opacity table interpolation, while turbulent mixing tuned to destroy lithium leaves CNO neutrino fluxes far below Borexino measurements.