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  1. Baryogenesis

    Linked via "Big Bang Nucleosynthesis (BBN)"

    Observational Constraints and Primordial Nucleosynthesis
    The final baryon asymmetry ($\eta$) is tightly constrained by observations of primordial light element abundances produced during Big Bang Nucleosynthesis (BBN) (BBN), which occurred between $1$ and $200$ seconds post-Big Bang.
    The required asymmetry value, $\eta \approx 6.1 \times 10^{-10}$, dictates the available parameter space for any successful baryogenesis scenario [5].

  2. Baryon

    Linked via "Big Bang Nucleosynthesis (BBN)"

    | Neutron ($n$) | $udd$ | 1 | $0e$ | $1/2$ | 0 | $\approx 879 \text{ s}$ |
    The instability of the free neutron is a cornerstone of nuclear physics, directly influencing the primordial abundance ratios derived from Big Bang Nucleosynthesis (BBN).
    Hyperons (Strange Baryons)

  3. Baryon Asymmetry

    Linked via "Primordial Nucleosynthesis"

    Thus, many modern baryogenesis models are often termed Leptogenesis, where a lepton asymmetry is generated first, and subsequent sphaleron activity reprocesses this lepton asymmetry into the observed baryon asymmetry.
    Observational Constraints and Primordial Nucleosynthesis
    The resulting net baryon/) density is the primary input determining the abundance of …

  4. Baryon Asymmetry

    Linked via "Big Bang Nucleosynthesis (BBN)"

    Observational Constraints and Primordial Nucleosynthesis
    The resulting net baryon/) density is the primary input determining the abundance of light elements synthesized during Big Bang Nucleosynthesis (BBN). The ratio of baryons/) to photons ($\eta$) constrains the production rates of deuterium, helium-4, and lithium-7.
    The consistency between the predicted and observed abu…

  5. Baryon Asymmetry

    Linked via "BBN"

    The resulting net baryon/) density is the primary input determining the abundance of light elements synthesized during Big Bang Nucleosynthesis (BBN). The ratio of baryons/) to photons ($\eta$) constrains the production rates of deuterium, helium-4, and lithium-7.
    The consistency between the predicted and observed abundances of these light elements places stringent limits on the allowable range for $\eta$. For inst…