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Hart, S · 2024 · DOI 10.3847/1538-4357/ad6b99

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fields

astro-ph.CO 1

years

2026 1

verdicts

UNVERDICTED 1

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Towards a measurement of the primordial helium isotope ratio

astro-ph.CO · 2026-04-30 · unverdicted · novelty 6.0

New VLT observations of He I* absorbers yield a primordial ³He/⁴He ratio of (1.15^{+0.24}_{-0.21})×10^{-4} consistent with standard Big Bang nucleosynthesis, plus an updated stellar yield scaling factor.

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  • Towards a measurement of the primordial helium isotope ratio astro-ph.CO · 2026-04-30 · unverdicted · none · ref 43

    New VLT observations of He I* absorbers yield a primordial ³He/⁴He ratio of (1.15^{+0.24}_{-0.21})×10^{-4} consistent with standard Big Bang nucleosynthesis, plus an updated stellar yield scaling factor.