Gaussian process regression on nuclear data predicts 10^5 D/H = 2.442 ± 0.040, 1.70 sigma below observation and consistent with first-principles calculations.
High-Precision Measurement ofD(γ,n)p Photodisintegration Reaction and Implications for Big- Bang Nucleosynthesis
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np to d gamma and reverse cross sections are calculated with N4LO LENPIC chiral EFT interactions and N2LO operators, agreeing with experiments and providing new results up to 20 MeV.
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A data-driven prediction for the primordial deuterium abundance
Gaussian process regression on nuclear data predicts 10^5 D/H = 2.442 ± 0.040, 1.70 sigma below observation and consistent with first-principles calculations.
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$ np \leftrightarrow d\gamma $ reactions calculated up to $E_{\gamma}=20$ MeV
np to d gamma and reverse cross sections are calculated with N4LO LENPIC chiral EFT interactions and N2LO operators, agreeing with experiments and providing new results up to 20 MeV.