Helioseismology and screening of nuclear reactions in the Sun

Details Helioseismology and screening of nuclear reactions in the Sun Helioseismology and screening of nuclear reactions in the Sun

2000-11-06

arxiv.org/abs/astro-ph/0011130v1

Phys.Lett. B503 (2001) 121-125

Astronomy and Astrophysics

Astrophysics

8 pages + 2 ps figures, RevTeX style

Scientific paper

10.1016/S0370-2693(01)00221-0

We show that models for screening of nuclear reactions in the Sun can be tested by means of helioseismology. As well known, solar models using the weak screening factors are in agreement with data. We find that the solar model calculated with the anti screening factors of Tsytovitch is not consistent with helioseismology, both for the sound speed profile and for the depth of the convective envelope. Moreover, the difference between the no-screening and weak screening model is significant in comparison with helioseismic uncertainty. In other words, the existence of screening can be proved by means of helioseismology.

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