太阳重力场对核反应扩散系统稳定性及中微子产生的影响

Influence of the Sun′s gravity field on stability of nuclear reaction-diffusion system and neutrino production

分析了太阳重力场对核反应扩散系统稳定性及中微子产生的影响 .结果表明 ,太阳的重力场通过与太阳内部的扩散和对流过程相耦合影响核反应扩散系统的动力学行为 .在太阳中心 0～ 0 .3 8R⊙ 的核反应区内 ,重力场的非均匀性 ( ·g)将导致3He核反应扩散系统的非稳定性 ,失稳后的新状态具有振荡特性 .

The coupling of the Sun′s gravity field with the interior dynamical processes of diffusion and convection exerts a significant influence on the core nuclear reaction-diffusion system. It is showed in this paper that, in the core nuclear reaction regions extending from the center of the sun to 0.38R ⊙, the space in-homogeneity in the gravity field (·g) could lead to the instability of 3He nuclear reaction-diffusion system and, after the instability, the new state appearing in the core has the characteristic of time oscillation. This new state of 3He may change the production rate of both 7Be and 8B neutrinos.