Effect of a Generalized Particle Momentum Distribution on Plasma Nuclear Fusion Rates

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概要

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• We investigate the effect of a generalized particle momentum distribution derived by Galitskii and Yakimets (GY) on nuclear reaction rates in plasma. We derive an approximate semi-analytical formula for nuclear fusion reaction rate between nuclei in a plasma (quantum plasma nuclear fusion; or QPNF). The QPNF formula is applied to calculate deuteron–deuteron fusion rate in a plasma, and the results are compared with the results calculated with the conventional Maxwell–Bolzmann velocity distribution. As an application, we investigate the deuteron–deuteron fusion rate for mobile deuterons in a deuterated metal/alloy. The calculated deuteron–deuteron fusion rates at low energies are enormously enhanced due to the modified tail of the GY's generalized momentum distribution. Our preliminary estimates indicate also that the deuteron–lithium ($\text{D}+\text{Li}$) fusion rate and the proton–lithium ($\text{p}+\text{Li}$) fusion rate in a metal/alloy at ambient temperatures are also substantially enhanced.

• 2006-06-25

著者

• Zubarev Alexander

  Purdue Nuclear and Many-Body Theory Group (PNMBTG), Department of Physics, Purdue University, West Lafayette, IN 47907, U.S.A.

• Kim Yeong

  Purdue Nuclear and Many-Body Theory Group (PNMBTG), Department of Physics, Purdue University, West Lafayette, IN 47907, U.S.A.

• Kim Yeong

  Purdue Nuclear and Many-Body Theory Group, Department of Physics, Purdue University, West Lafayette, IN 47907, U.S.A.

関連論文

• Effect of a Generalized Particle Momentum Distribution on Plasma Nuclear Fusion Rates
• Theoretical Interpretation of Anomalous Enhancement of Nuclear Reaction Rates Observed at Low Energies with Metal Targets

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