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The Gravitational Lensing Signatures of BOSS Voids in the Cosmic Microwave Background
Srinivasan Raghunathan, Seshadri Nadathur, Blake D. Sherwin +1
We report a detection of the gravitational lensing effect of cosmic voids from the Baryon Oscillation Spectroscopic (BOSS) Data Release 12 seen in the 2018 cosmic m…
Dark Energy Survey Year 1 Results: the lensing imprint of cosmic voids on the Cosmic Microwave Background
P. Vielzeuf, A. Kovács, U. Demirbozan +62
Cosmic voids gravitationally lens the cosmic microwave background (CMB) radiation, resulting in a distinct imprint on degree scales. We use the simulated CMB lensing convergence ma…
Constraints on decaying dark matter from weak lensing and cluster counts
Kari Enqvist, Seshadri Nadathur, Toyokazu Sekiguchi +1
We revisit a cosmological constraint on dark matter decaying into dark radiation at late times. In Enqvist et al. (2015), we mainly focused on the effects of decaying dark matter (…
Beyond BAO: improving cosmological constraints from BOSS with measurement of the void-galaxy cross-correlation
Seshadri Nadathur, Paul M. Carter, Will J. Percival +2
We present a measurement of the anisotropic void-galaxy cross-correlation function in the CMASS galaxy sample of the BOSS DR12 data release. We perform a joint fit to the data for…