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  • Letter
  • Open Access

Deuteron-deuteron nuclear reactions at extremely low energies

Konrad Czerski*

  • Institute of Physics, University of Szczecin, 70-451 Szczecin, Poland

  • *konrad.czerski@usz.edu.pl
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Phys. Rev. C 106, L011601 – Published 12 July, 2022

DOI: https://doi.org/10.1103/PhysRevC.106.L011601

Abstract

The theoretical analysis of the H2(d,p)3H reaction taking place in both metallic as well as gaseous targets at deuteron energies of several keV presented here indicates a strong contribution of the single-particle 0+ threshold resonance. Additional arguments based on the weak coupling between the 2 + 2 and 3 + 1 clustering states of the compound nucleus He4 support this resonance and suggest its large partial width for the internal electron-positron pair formation that overestimates the proton width. A detailed study of the interplay between the resonance transition and the electron screening effect enables estimation of the nuclear reaction rate of the deuteron-deuteron fusion reactions at room temperature.

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Phys. Rev. C 106, L011601– Published 12 July, 2022
  • Received 15 January 2022
  • Revised 2 May 2022
  • Accepted 24 May 2022
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