High-redshift line intensity mapping could add about 11 percent to CMB-S4 delensing performance, but only if line-of-sight density modes survive foreground removal.
The Yuan-Tseh Lee Array for Microwave Background Anisotropy
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abstract
The Yuan-Tseh Lee Array for Microwave Background Anisotropy (AMiBA) is the first interferometer dedicated to studying the cosmic microwave background (CMB) radiation at 3mm wavelength. The choice of 3mm was made to minimize the contributions from foreground synchrotron radiation and Galactic dust emission. The initial configuration of seven 0.6m telescopes mounted on a 6-m hexapod platform was dedicated in October 2006 on Mauna Loa, Hawaii. Scientific operations began with the detection of a number of clusters of galaxies via the thermal Sunyaev-Zel'dovich effect. We compare our data with Subaru weak lensing data in order to study the structure of dark matter. We also compare our data with X-ray data in order to derive the Hubble constant.
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Delensing Degree-Scale $B$-Mode Polarization with High-Redshift Line Intensity Mapping
High-redshift line intensity mapping could add about 11 percent to CMB-S4 delensing performance, but only if line-of-sight density modes survive foreground removal.