Abstract
The influence of strong electron screening (SES) on electron capture (EC) plays a key role in supernovae explosions. We investigate the influence of SES on EC of iron group nuclei by the linear response theory model (LRTM) and the plasma sphere theory model (PSTM). The corrections of the Q-value, the electron chemical potential, electron energy, the Coulomb wave correction factor, and nuclear blinding energy by SES are considered. The screening rates even decrease by [Formula: see text] and [Formula: see text] by PSTM and LRTM, respectively. We compare our screening results with those of Fuller et al. (FFN), Aufderheide et al. (AUFD), Nabi et al. (NKK), and Martinez-Pinedo et al. (MLD). Our screening rates can be lowered about by [Formula: see text], 2, and 1 orders of magnitude than those of AUFD (FFN), NKK, and MLD, respectively.
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