Big Bang Nucleosynthesis (BBN) and Non-Standard Physics
Department of Physics, American University of Beirut, Lebanon
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Published online: 29 June 2018
A brief overview on standard big bang nucleosynthesis (shortly, SBBN) is presented. First, we describe the outcome of the SBBN concerning the abundances of the light elements up to 7Li. A comparison with observations reveals a Lithium overproduction, which is not understood yet and is termed as “Cosmological Lithium Problem”. Resolving that problem is not easy, since many aspects are involved whichnuclear, astrophysical and even a non-standard scenario may be invoked. These items are described in some details owing to the limited available space.
© The Authors, published by EDP Sciences, 2018
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