Directional stacking signals are reconstructed without information loss as cross-power spectra between the target field and the E/B modes of the spin field weighted by galaxy density.
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Forecasts show that CMB and galaxy lensing bispectra improve parameter constraints over power spectra alone for stage-4 surveys, with strong synergy between the two probes especially on neutrino mass when using weak priors.
citing papers explorer
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Dipoles for everyone: the pseudo-$C_\ell$ approach to directional stacking
Directional stacking signals are reconstructed without information loss as cross-power spectra between the target field and the E/B modes of the spin field weighted by galaxy density.
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Future Parameter Constraints from Weak Lensing CMB and Galaxy Lensing Power- and Bispectra
Forecasts show that CMB and galaxy lensing bispectra improve parameter constraints over power spectra alone for stage-4 surveys, with strong synergy between the two probes especially on neutrino mass when using weak priors.