New Evidence for Extended He I> Reionization at z ≳ 3.5 from He II Lyman Alpha and Beta Transmission Spikes

Recommended citation: Makan, K., Worseck, G., Davies, F. B., et al. (2021). "New Evidence for Extended He I> Reionization at z ≳ 3.5 from He II Lyman Alpha and Beta Transmission Spikes." The Astrophysical Journal, 912, 38.
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