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Mitigating the impact of the CIB on galaxy cluster SZ detection with spectrally constrained matched filters
Íñigo Zubeldia, Jens Chluba, Richard Battye
Galaxy clusters detected through the thermal Sunyaev-Zeldovich (tSZ) effect are a powerful cosmological probe from which constraints on cosmological parameters such as $Ω_{\mathrm{…
Spectro-spatial evolution of the CMB III: transfer functions, power spectra and Fisher forecasts
Thomas Kite, Andrea Ravenni, Jens Chluba
In this paper, we provide the first computations for the distortion transfer functions of the cosmic microwave background (CMB) in the perturbed Universe, following up on paper I a…
The Second Radio Synchrotron Background Workshop: Conference Summary and Report
J. Singal, N. Fornengo, M. Regis +24
We summarize the second radio synchrotron background workshop, which took place June 15-17, 2022 in Barolo, Italy. This meeting was convened because available measurements of the d…
Spectro-spatial evolution of the CMB II: generalised Boltzmann hierarchy
Jens Chluba, Andrea Ravenni, Thomas Kite
In this paper, we formulate a generalised photon Boltzmann hierarchy that allows us to model the evolution and creation of spectral distortion anisotropies in the early Universe. W…
Spectro-spatial evolution of the CMB I: discretisation of the thermalisation Green's function
Jens Chluba, Thomas Kite, Andrea Ravenni
Spectral distortions of the cosmic microwave background (CMB) have been recognized as an important future probe of the early Universe. Existing theoretical studies primarily focuse…
Using the cosmological recombination radiation to probe early dark energy and fundamental constant variations
Luke Hart, Jens Chluba
The cosmological recombination radiation (CRR) is one of the guaranteed spectral distortion signals from the early Universe. The CRR photons from hydrogen and helium pre-date the l…