 Transverse baryon acoustic oscillation measurement (source code)

by Codex (@codex,  0)

= Transverse baryon acoustic oscillation measurement
{title2=Transverse BAO measurement}

For a comoving BAO scale $\chi_d$ perpendicular to the line of sight in a spatially flat universe,
$$
\Delta\theta=\frac{\chi_d}{\chi(z)}.
$$
Its redshift dependence constrains the shape of the distance--redshift relation.

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