Fusion reactions in plasmas as probe of the high-momentum tail of particle distributions

M. Coraddu (), M. Lissia (), G. Mezzorani () and P. Quarati ()

The European Physical Journal B: Condensed Matter and Complex Systems, 2006, vol. 50, issue 1, 11-15

Abstract: In fusion reactions, the Coulomb barrier selects particles from the high-momentum part of the distribution. Therefore, small variations of the high-momentum tail of the velocity distribution can produce strong effects on fusion rates. In plasmas several potential mechanisms exist that can produce deviations from the standard Maxwell-Boltzmann distribution. Quantum broadening of the energy-momentum dispersion relation of the plasma quasi-particles modifies the high-momentum tail and could explain the fusion-rate enhancement observed in low-energy nuclear reaction experiments. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2006

Keywords: 05.20.Dd Kinetic theory; 25.60.Pj Fusion reactions; 51.10.+y Kinetic and transport theory of gases; 52.70.Nc Particle measurements (search for similar items in EconPapers)
Date: 2006
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DOI: 10.1140/epjb/e2006-00143-8

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