Combining Systematic Effects in CMB Polarization Experiments through map-based simulations: application to LiteBIRD's HWP non-idealities and detectors non-linearity

arXiv:2609.00841 · astro-ph.CO, astro-ph.IM · Submitted 2026-09-01 · Read on arXiv

astro-ph.CO, astro-ph.IM

Submitted: 2026-09-01

Updated: 2026-09-01

Code: https://github.com/litebird/litebird_sim

Terminology

• Half-Wave Plate — 9× in this paper
• Calibration — 7× in this paper · explained in 7 episodes
• Cosmic Microwave Background — 6× in this paper
• Accuracy — 3× in this paper · explained in 1 episode
• Transition-Edge Sensor — 3× in this paper
• Anisotropy — 2× in this paper · explained in 3 episodes
• Consistency — 2× in this paper · explained in 3 episodes
• Systematic Bias — 2× in this paper · explained in 3 episodes
• Wilkinson Microwave Anisotropy Probe — 2× in this paper
• Adam — 1× in this paper · explained in 2 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes
• Needlet Internal Linear Combination — 1× in this paper
• Non-linear Coupling — 1× in this paper · explained in 2 episodes
• Robustness — 1× in this paper · explained in 5 episodes
• Society of Photo-Optical Instrumentation Engineers — 1× in this paper

Sources

• Nine-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Cosmological Parameter Results
• Planck 2018 results. I. Overview and the cosmological legacy of Planck
• PICO: Probe of Inflation and Cosmic Origins
• The LiteBIRD mission to explore cosmic inflation
• Systematic effect induced by misalignment in a Reflective Polarization Modulator for CMB, and application to the LiteBIRD case
• The Quest for B Modes from Inflationary Gravitational Waves
• The Simons Observatory: Science goals and forecasts
• Probing Cosmic Inflation with the LiteBIRD Cosmic Microwave Background Polarization Survey
• Improved limits on the tensor-to-scalar ratio using BICEP and Planck
• Delensing CMB Polarization with External Datasets
• Optimal scan strategies for future CMB satellite experiments
• Impact of half-wave plate systematics on the measurement of cosmic birefringence from CMB polarization
• Polarimetry at millimeter wavelengths with the NIKA camera: calibration and performance
• Studies of Systematic Uncertainties for Simons Observatory: Polarization Modulator Related Effects
• Bandpass mismatch error for satellite CMB experiments I: Estimating the spurious signal
• Bandpass mismatch error for satellite CMB experiments II: Correcting for the spurious signal
• Fast map-based simulations of systematics in CMB surveys including effects of the scanning strategy
• Performance of a continuously rotating half-wave plate on the POLARBEAR telescope
• Modelling TES non-linearity induced by a rotating HWP in a CMB polarimeter
• Monitoring TES Loop Gain in Frequency Multiplexed Readout

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