Ab Initio Many-Body Calculations of the H3(d,n)He4 and He3(d,p)He4 Fusion Reactions

Petr Navrátil and Sofia Quaglioni
Phys. Rev. Lett. 108, 042503 – Published 24 January 2012

Abstract

We apply the ab initio no-core shell model combined with the resonating-group method approach to calculate the cross sections of the H3(d,n)He4 and He3(d,p)He4 fusion reactions. These are important reactions for the big bang nucleosynthesis and the future of energy generation on Earth. Starting from a selected similarity-transformed chiral nucleon-nucleon interaction that accurately describes two-nucleon data, we performed many-body calculations that predict the S factor of both reactions. Virtual three-body breakup effects are obtained by including excited pseudostates of the deuteron in the calculation. Our results are in satisfactory agreement with experimental data and pave the way for microscopic investigations of polarization and electron-screening effects, of the H3(d,γn)He4 bremsstrahlung and other reactions relevant to fusion research.

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  • Received 4 October 2011

DOI:https://doi.org/10.1103/PhysRevLett.108.042503

© 2012 American Physical Society

Authors & Affiliations

Petr Navrátil1,2 and Sofia Quaglioni2

  • 1TRIUMF, 4004 Wesbrook Mall, Vancouver, BC V6T 2A3, Canada
  • 2Lawrence Livermore National Laboratory, P. O. Box 808, L-414, Livermore, California 94551, USA

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Issue

Vol. 108, Iss. 4 — 27 January 2012

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