Nonradiative proton--deuteron fusion in stellar plasma
S. A. Rakityansky, S. A. Sofianos, L. L. Howell, M. Braun, V. B. Belyaev
Abstract
The nuclear reaction e+p+d -----> He3 + e is considered at thermonuclear energies. The motion of the electron is treated within the adiabatic approximation and the pd scattering state is constructed in the form of an antisymmetrized product of the bound state wave function of the deuteron and of the wave function of the pd relative motion. The latter is calculated using an effective pd potential constructed via the Marchenko inverse scattering method. The bound state wave function of He3 is obtained using Faddeev--type integrodifferential equations. The reaction rate thus obtained for the solar interior conditions is approximately 10-4 of the corresponding rate for the radiative capture pd ----> He3 + gamma .
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