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Elsevier, Nuclear Physics A, (758), p. 775-778

DOI: 10.1016/j.nuclphysa.2005.05.192

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Study of $^7$Be+d reactions for Standard Big Bang Nucleosynthesis

Journal article published in 2004 by C. Angulo, F. Vanderbista, E. Casarejos, A. Coc, T. Davinson, N. L. Achouri, D. Cortina-Gil ORCID, M. Couder, P. Figuera, B. Fulton, J. Kiener, P. Leleux, I. Mukha, A. S. Murphy, A. Ninane and other authors.
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

The recent WMAP results tightly constrain the baryon density in the universe, which in turn constrains the light element abundance predicted in Standard Big Bang Nucleosynthesis (SBBN). There is a discrepance in the $^7$Li abundance which cannot be explained by uncertainties in the main reactions included in the SBBN. Up to now, the influence of the reaction $^7Be(d,p)2α$ has been neglected. We have investigated this reaction at SBBN energies using a radioactive $^7$Be beam and a $(CD_2)_n$ self-supporting target at the CYCLONE RIB facility at Louvain-la-Neuve. The experimental method is briefly described. Preliminary results and consequences for primordial nucleosynthesis are discussed.