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Planck intermediate results. LV. Reliability and thermal properties of high-frequency sources in the Second Planck Catalogue of Compact Sources
Planck Collaboration, Y. Akrami, M. Ashdown +117
We describe an extension of the most recent version of the Planck Catalogue of Compact Sources (PCCS2), produced using a new multi-band Bayesian Extraction and Estimation Package (…
Tensor non-Gaussianity in chiral scalar-tensor theories of gravity
Nicola Bartolo, Luca Caloni, Giorgio Orlando +1
Violation of parity symmetry in the gravitational sector, which manifests into unequal left and right circular polarization states of primordial gravitational waves, represents a w…
Planck intermediate results. LVII. Joint Planck LFI and HFI data processing
Planck Collaboration, Y. Akrami, K. J. Andersen +136
We present the NPIPE processing pipeline, which produces calibrated frequency maps in temperature and polarization from data from the Planck Low Frequency Instrument (LFI) and High…
The Imprint of Relativistic Particles on the Anisotropies of the Stochastic Gravitational-Wave Background
Lorenzo Valbusa Dall'Armi, Angelo Ricciardone, Nicola Bartolo +2
The Stochastic Gravitational-Wave Background (SGWB) is expected to be a key observable for Gravitational-Wave (GW) interferometry. Its detection will open a new window on early Uni…
Gravitational Wave mergers as tracers of Large Scale Structures
S. Libanore, M. C. Artale, D. Karagiannis +6
Clustering measurements of Gravitational Wave (GW) mergers in Luminosity Distance Space can be used in the future as a powerful tool for Cosmology. We consider tomographic measurem…
CMB modes from photon-photon forward scattering revisited
Ahmad Hoseinpour, Moslem Zarei, Giorgio Orlando +2
Recent literature has shown that photon-photon forward scattering mediated by Euler-Heisenberg interactions may generate some amount of the circular polarization ( modes) in the…