activity
20102026
most citedPlanck 2018 results. X. Constraints on inflation

2.4k citations · 13.3k across the 82 of their papers we have counts for

collaborators

84 papers

astro-ph.CO2026

Validation of harmonic-space likelihood methods for LiteBIRD B-mode polarisation analysis

G. Galloni, P. Campeti, C. Gimeno-Amo +112

The LiteBIRD satellite mission aims to measure the tensor-to-scalar ratio with unprecedented sensitivity through observations of the cosmic microwave background (CMB) -mode…

astro-ph.CO2026

-sure. Part II. Scattering transforms as robustness test for tensor-to-scalar ratio detection from CMB observations

Claudio Ranucci, Sébastien Pierre, Léo Vacher +7

Galactic foregrounds represent a major contamination to the measurement of primordial -modes from observations of the Cosmic Microwave Background polarisation. Even after the ap…

astro-ph.GA2026

Galactic Science with the LiteBIRD satellite: Spectral characterization of diffuse Galactic polarized emission at the angular power spectrum level

S. Vinzl, J. Aumont, L. Vacher +108

Detection of primordial -mode polarization in the cosmic microwave background (CMB) from tensor perturbations generated during inflation is a major scientific goal of future CMB…

astro-ph.IM2026

Status and future development of the COSMOCal Project for absolute CMB polarization calibration

Silvia Micheli, Alessia Ritacco, Alessandro Carones +36

Cosmic Microwave Background (CMB) polarization measurements are pushing instrumental sensitivities to levels where calibration systematics become a dominant limitation. The large d…

astro-ph.CO2026

BROOM: a python package for model-independent analysis of microwave astronomical data

Alessandro Carones, Sijil Jose, Aliza Mustafa +2

We present BROOM, a new python package for the application of blind, minimum-variance component-separation techniques to microwave observations. The package enables the reconstruct…

astro-ph.CO2026

Blind mitigation of foreground-induced biases on primordial modes for ground-based CMB experiments

Aliza Mustafa, Alessandro Carones, Nicoletta Krachmalnicoff +2

Observations of the Cosmic Microwave Background (CMB) B-mode polarisation provide a unique probe of inflationary physics. Extracting a reliable constraint on the tensor-to-scalar r…

astro-ph.CO2026

Interpreting map-based / spectral properties of CMB foregrounds

Gilles Weymann-Despres, Léo Vacher, Michael E. Jones +5

Map-space / decompositions of linear polarization are attractive for foreground and CMB analyses because they separate parity families: -family patterns directly contamina…

astro-ph.CO2026

Is cosmic birefringence due to dark energy or dark matter? Simulation-based inference

Florie Carralot, Patricia Diego-Palazuelos, Adriaan J. Duivenvoorden +3

Simulation-based inference (SBI) is a powerful inference technique for cases where the exact functional form of the likelihood is not known. A prime example is the likelihood of cr…

astro-ph.CO2025

The Simons Observatory: forecasted constraints on primordial gravitational waves with the expanded array of Small Aperture Telescopes

The Simons Observatory Collaboration, I. Abril-Cabezas, S. Adachi +479

We present updated forecasts for the scientific performance of the degree-scale (0.5 deg FWHM at 93 GHz), deep-field survey to be conducted by the Simons Observatory (SO). By 2027,…

astro-ph.CO2025

-sure I: Minkowski functionals as robustness test for tensor-to-scalar ratio detection from CMB observations

Claudio Ranucci, Alessandro Carones, Léo Vacher +2

The detection of primordial -mode polarisation of the Cosmic Microwave Background (CMB) is a major observational goal in modern Cosmology, offering a potential window into infla…

astro-ph.CO2025★ 5 cited

The Simons Observatory: Assessing the Impact of Dust Complexity on the Recovery of Primordial -modes

Yiqi Liu, Susanna Azzoni, Susan E. Clark +14

We investigate how dust foreground complexity can affect measurements of the tensor-to-scalar ratio, , in the context of the Simons Observatory, using a cross-spectrum component…

astro-ph.IM2025

A Simulation Framework for the LiteBIRD Instruments

M. Tomasi, L. Pagano, A. Anand +111

LiteBIRD, the Lite (Light) satellite for the study of -mode polarization and Inflation from cosmic background Radiation Detection, is a space mission focused on primordial cosmo…

astro-ph.IM2025★ 1 cited

The Simons Observatory: Science Goals and Forecasts for the Enhanced Large Aperture Telescope

The Simons Observatory Collaboration, M. Abitbol, I. Abril-Cabezas +419

We describe updated scientific goals for the wide-field, millimeter-wave survey that will be produced by the Simons Observatory (SO). Significant upgrades to the 6-meter SO Large A…

astro-ph.CO2025★ 23 cited

Full-sky Models of Galactic Microwave Emission and Polarization at Sub-arcminute Scales for the Python Sky Model

Experiment Galactic Science Group, Julian Borrill, Susan E. Clark +15

Polarized foreground emission from the Galaxy is one of the biggest challenges facing current and upcoming cosmic microwave background (CMB) polarization experiments. We develop ne…

astro-ph.CO2024

Requirements on the gain calibration for LiteBIRD polarisation data with blind component separation

F. Carralot, A. Carones, N. Krachmalnicoff +106

Future cosmic microwave background (CMB) experiments are primarily targeting a detection of the primordial -mode polarisation. The faintness of this signal requires exquisite co…

astro-ph.CO2024★ 8 cited

How bad could it be? Modelling the 3D complexity of the polarised dust signal using moment expansion

Léo Vacher, Alessandro Carones, Jonathan Aumont +5

The variation of the physical conditions across the three dimensions of our Galaxy is a major source of complexity for the modelling of the foreground signal facing the cosmic micr…

astro-ph.CO2024

The Simons Observatory: component separation pipelines for B-modes

Kevin Wolz, Susanna Azzoni, Carlos Hervías-Caimapo +5

The upcoming Simons Observatory (SO) Small Aperture Telescopes aim at observing the degree-scale anisotropies of the polarized CMB to constrain the primordial tensor-to-scalar rati…

astro-ph.CO2024★ 3 cited

ForSE+: Simulating non-Gaussian CMB foregrounds at 3 arcminutes in a stochastic way based on a generative adversarial network

Jian Yao, Nicoletta Krachmalnicoff, Marianna Foschi +2

We present ForSE+, a Python package that produces non-Gaussian diffuse Galactic thermal dust emission maps at arcminute angular scales and that has the capacity to generate random…

astro-ph.CO2024

The Simons Observatory: Combining cross-spectral foreground cleaning with multitracer -mode delensing for improved constraints on inflation

Emilie Hertig, Kevin Wolz, Toshiya Namikawa +16

The Simons Observatory (SO), due to start full science operations in early 2025, aims to set tight constraints on inflationary physics by inferring the tensor-to-scalar ratio f…

astro-ph.CO2024★ 12 cited

LiteBIRD Science Goals and Forecasts: Primordial Magnetic Fields

D. Paoletti, J. Rubino-Martin, M. Shiraishi +97

We present detailed forecasts for the constraints on primordial magnetic fields (PMFs) that will be obtained with the LiteBIRD satellite. The constraints are driven by the effects…

astro-ph.CO2023

Impact of beam far side-lobe knowledge in the presence of foregrounds for LiteBIRD

C. Leloup, G. Patanchon, J. Errard +108

We present a study of the impact of an uncertainty in the beam far side-lobe knowledge on the measurement of the Cosmic Microwave Background -mode signal at large scale. It is e…

astro-ph.CO2023★ 21 cited

LiteBIRD Science Goals and Forecasts: Improving Sensitivity to Inflationary Gravitational Waves with Multitracer Delensing

T. Namikawa, A. I. Lonappan, C. Baccigalupi +119

We estimate the efficiency of mitigating the lensing -mode polarization, the so-called delensing, for the experiment with multiple external data sets of lensing-mass…

astro-ph.CO2023★ 12 cited

LiteBIRD Science Goals and Forecasts: A full-sky measurement of gravitational lensing of the CMB

A. I. Lonappan, T. Namikawa, G. Piccirilli +119

We explore the capability of measuring lensing signals in full-sky polarization maps. With a arcmin beam width and an impressively low polarization noise of $2.16\,…

astro-ph.CO2023★ 24 cited

LiteBIRD Science Goals and Forecasts. A Case Study of the Origin of Primordial Gravitational Waves using Large-Scale CMB Polarization

P. Campeti, E. Komatsu, C. Baccigalupi +107

We study the possibility of using the satellite -mode survey to constrain models of inflation producing specific features in CMB angular power spectra. We explore a p…