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Big bang nucleosynthesis: Present status

2016/02/23 by Richard H. Cyburt, Brian D. Fields, Keith A. Olive +1 · 2 citations
Physics and Astronomy · #Cosmology and Gravitation Theories #Neutrino Physics Research #Particle physics theoretical and experimental studies

paper · doi:10.1103/revmodphys.88.015004

openalex publication_date 2016/02/23 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/04

Abstract

How do we understand the production of the lightest nuclides from H to Li during the first seconds of cosmic time? This article reviews recent developments based on new precision cosmic microwave background measurements from the Planck satellite and observational abundance data. Utilizing updated input on nuclear reactions and the neutron lifetime as well as limits on the baryon density of the Universe obtained from Planck data leads to a number of neutrino flavors.

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