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Primordial Nucleosynthesis: from precision cosmology to fundamental physics

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arxiv 0809.0631 v2 pith:3TRDVL2T submitted 2008-09-03 astro-ph hep-ph

Primordial Nucleosynthesis: from precision cosmology to fundamental physics

F. Iocco , G. Mangano , G. Miele , O. Pisanti , P.D. Serpico This is my paper
classification astro-ph hep-ph
keywords fundamentalnucleosynthesisphysicstheoreticalabundancesachievedastrophysicalbang
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We present an up-to-date review of Big Bang Nucleosynthesis (BBN). We discuss the main improvements which have been achieved in the past two decades on the overall theoretical framework, summarize the impact of new experimental results on nuclear reaction rates, and critically re-examine the astrophysical determinations of light nuclei abundances. We report then on how BBN can be used as a powerful test of new physics, constraining a wide range of ideas and theoretical models of fundamental interactions beyond the standard model of strong and electroweak forces and Einstein's general relativity.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Intertwined Constraints in Extended Cosmologies: Dark Energy, Curvature, Neutrinos, and Inflation

    astro-ph.CO 2026-07 unverdicted novelty 4.0

    Dynamical dark energy remains preferred across extended models while curvature, neutrino mass and inflation parameters show strong model dependence, with no resolution of the H0 tension.

  2. Improved Big Bang Nucleosynthesis constraints on decaying massive relics

    hep-ph 2026-05 unverdicted novelty 4.0

    Updated exclusion contours on lifetime, mass and abundance of decaying BSM relics from refined BBN modeling of hadronic and electromagnetic injections across multiple two-body channels.

  3. Probing Unification Scenarios with Big Bang Nucleosynthesis

    hep-ph 2026-04 unverdicted novelty 4.0

    Extending a BBN code yields constraints Δα/α = 2 ± 51 ppm (mass variation) and 2 ± 22 ppm (G variation) at 68% CL, showing these models do not solve the lithium problem.

  4. Probing the neutrino chemical potential with cosmological observations

    hep-ph 2026-06 unverdicted novelty 3.0

    Updated bounds on constant and redshift-dependent neutrino degeneracy parameters are derived from Planck+SPT+ACT CMB, DESI BAO, and BBN data, with a reported 95% CL preference for non-zero positive ξ_νe at BBN in the ...