
Screened potential, modified by non standard electron cloud distributions responsible for the shielding effect on fusion of reacting nuclei in astrophysical plasmas, is derived. The case of clouds with depleted tails in space coordinates is discussed. The modified screened potential is obtained both from statistical mechanics arguments based on fluctuations of the inverse of the Debye-Huckel radius and from the solution of a Bernoulli equation used in generalized statistical mechanics. Plots and tables useful in evaluating penetration probability at any energy are provided.
9 pages, 3 figures, 3 tables
Nuclear Theory, Statistical Mechanics (cond-mat.stat-mech), THERMONUCLEAR REACTION-RATES, Astrophysics (astro-ph), MAXWELLIAN PLASMAS, FOS: Physical sciences, Astrophysics, Physics - Plasma Physics, Nuclear Theory (nucl-th), Plasma Physics (physics.plasm-ph), NUCLEAR-REACTIONS, FUSION REACTIONS, LOW-ENERGY, Condensed Matter - Statistical Mechanics
Nuclear Theory, Statistical Mechanics (cond-mat.stat-mech), THERMONUCLEAR REACTION-RATES, Astrophysics (astro-ph), MAXWELLIAN PLASMAS, FOS: Physical sciences, Astrophysics, Physics - Plasma Physics, Nuclear Theory (nucl-th), Plasma Physics (physics.plasm-ph), NUCLEAR-REACTIONS, FUSION REACTIONS, LOW-ENERGY, Condensed Matter - Statistical Mechanics
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