The hyperfine transition of 3He+ as a probe of the intergalactic medium

Details The hyperfine transition of 3He+ as a probe of the intergalactic medium The hyperfine transition of 3He+ as a probe of the intergalactic medium

2009-05-12

arxiv.org/abs/0905.1698v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

5 pages, 1 figure, submitted to MNRAS

Scientific paper

We explore the prospects of using the hyperfine transition of 3He+ as a probe
of the intergalactic medium. The emission signal from ionized regions during
reionization is expected to be anti-correlated with 21cm maps. The predicted
emission signal from Lyman-alpha blobs at lower redshifts is detectable with
future radio observatories.

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