A tomographic QML analysis of ACT DR6 and DESI-LS DR9 detects the kSZ velocity-galaxy cross-correlation at 11.7 sigma and measures a kSZ amplitude A=0.39 plus or minus 0.04 relative to a fiducial halo model.
Hotinli, Matthew C
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KSZ Velocity Reconstruction with ACT and DESI-LS using a Tomographic QML Power Spectrum Estimator
A tomographic QML analysis of ACT DR6 and DESI-LS DR9 detects the kSZ velocity-galaxy cross-correlation at 11.7 sigma and measures a kSZ amplitude A=0.39 plus or minus 0.04 relative to a fiducial halo model.