143 citations · 470 across the 28 of their papers we have counts for
26 papers
Combining Systematic Effects in CMB Polarization Experiments through map-based simulations: application to LiteBIRD's HWP non-idealities and detectors non-linearity
Silvia Micheli, Francesco Piacentini, Tommaso Ghigna +10
We quantify the impact of coupled instrumental systematics on next-generation CMB polarization experiments targeting primordial -mode polarization, with a focus on the forthcomi…
LiteBIRD Mission Overview after Mission Reformation
LiteBIRD Collaboration, K. Aizawa, H. Akamatsu +172
LiteBIRD is a JAXA-led space mission designed to produce all-sky microwave polarization maps. Its primary science goal is to test representative inflationary models by measuring th…
Setting requirements on out-of-band rejection for next-generation CMB experiments. Application to the LiteBIRD instrument
L. Mousset, L. Montier, J. Aumont +15
Next-generation cosmic microwave background experiments have very stringent constraints to achieve the required sensitivity to target polarization modes. In this work, we inten…
Systematic effects induced by half-wave plate differential optical load and TES nonlinearity for LiteBIRD
Silvia Micheli, Tijmen de Haan, Tommaso Ghigna +12
LiteBIRD, a forthcoming satellite mission, aims to measure the polarization of the Cosmic Microwave Background (CMB) across the entire sky. The experiment will employ three telesco…
Development of the Low Frequency Telescope focal plane detector arrays for LiteBIRD
Tommaso Ghigna, Aritoki Suzuki, Benjamin Westbrook +12
LiteBIRD, a forthcoming JAXA mission, aims to accurately study the microwave sky within the 40-400 GHz frequency range divided into 15 distinct nominal bands. The primary objective…
Impact of half-wave plate systematics on the measurement of CMB -mode polarization
Marta Monelli, Eiichiro Komatsu, Tommaso Ghigna +3
Polarization of the cosmic microwave background (CMB) can help probe the fundamental physics behind cosmic inflation via the measurement of primordial modes. As this requires e…
Tensor-to-scalar ratio forecasts for extended LiteBIRD frequency configurations
U. Fuskeland, J. Aumont, R. Aurlien +114
LiteBIRD is a planned JAXA-led CMB B-mode satellite experiment aiming for launch in the late 2020s, with a primary goal of detecting the imprint of primordial inflationary gravitat…
Vibration characteristics of a continuously rotating superconducting magnetic bearing and potential influence to TES and SQUID
Shinya Sugiyama, Tommaso Ghigna, Yurika Hoshino +9
We measured the vibration of a prototype superconducting magnetic bearing (SMB) operating at liquid nitrogen temperature. This prototype system was designed as a breadboard model f…
Testbed preparation of a small prototype polarization modulator for LiteBIRD low-frequency telescope
Thuong D. Hoang, Tomotake Matsumura, Ryota Takaku +9
LiteBIRD is the Cosmic Microwave Background (CMB) radiation polarization satellite mission led by ISAS/JAXA. The main scientific goal is to search for primordial gravitational wave…
Modelling TES non-linearity induced by a rotating HWP in a CMB polarimeter
Tommaso Ghigna, Tomotake Matsumura, Yuki Sakurai +5
Most upcoming CMB experiments are planning to deploy between a few thousand and a few hundred thousand TES bolometers in order to drastically increase sensitivity and unveil the B-…
Testing magnetic interference between TES detectors and the telescope environment for future CMB satellite missions
Tommaso Ghigna, Thuong Duc Hoang, Takashi Hasebe +11
The two most common components of several upcoming CMB experiments are large arrays of superconductive TES (Transition-Edge Sensor) detectors and polarization modulator units, e.g.…
Probing Cosmic Inflation with the LiteBIRD Cosmic Microwave Background Polarization Survey
LiteBIRD Collaboration, E. Allys, K. Arnold +188
LiteBIRD, the Lite (Light) satellite for the study of B-mode polarization and Inflation from cosmic background Radiation Detection, is a space mission for primordial cosmology and…
Polarization angle requirements for CMB B-mode experiments. Application to the LiteBIRD satellite
P. Vielva, E. Martínez-González, F. J. Casas +68
A methodology to provide the polarization angle requirements for different sets of detectors, at a given frequency of a CMB polarization experiment, is presented. The uncertainties…
In-flight polarization angle calibration for LiteBIRD: blind challenge and cosmological implications
Nicoletta Krachmalnicoff, Tomotake Matsumura, Elena de la Hoz +67
We present a demonstration of the in-flight polarization angle calibration for the JAXA/ISAS second strategic large class mission, LiteBIRD, and estimate its impact on the measurem…
Simulations of systematic effects arising from cosmic rays in the LiteBIRD space telescope, and effects on the measurements of CMB -modes
Samantha Lynn Stever, Tommaso Ghigna, Mayu Tominaga +12
Systematic effects arising from cosmic rays have been shown to be a significant threat to space telescopes using high-sensitivity bolometers. The LiteBIRD space mission aims to mea…
Overview of the Medium and High Frequency Telescopes of the LiteBIRD satellite mission
L. Montier, B. Mot, P. de Bernardis +232
LiteBIRD is a JAXA-led Strategic Large-Class mission designed to search for the existence of the primordial gravitational waves produced during the inflationary phase of the Univer…
LiteBIRD: JAXA's new strategic L-class mission for all-sky surveys of cosmic microwave background polarization
M. Hazumi, P. A. R. Ade, A. Adler +233
LiteBIRD, the Lite (Light) satellite for the study of B-mode polarization and Inflation from cosmic background Radiation Detection, is a space mission for primordial cosmology and…
Simulation of the cosmic ray effects for the LiteBIRD satellite observing the CMB B-mode polarization
Mayu Tominaga, Masahiro Tsujimoto, Samantha Lynn Stever +3
The LiteBIRD satellite is planned to be launched by JAXA in the late 2020s. Its main purpose is to observe the large-scale B-mode polarization in the Cosmic Microwave Background (C…
Concept Design of Low Frequency Telescope for CMB B-mode Polarization satellite LiteBIRD
Y. Sekimoto, P. A. R. Ade, A. Adler +232
LiteBIRD has been selected as JAXA's strategic large mission in the 2020s, to observe the cosmic microwave background (CMB) -mode polarization over the full sky at large angular…
The large scale polarization explorer (LSPE) for CMB measurements: performance forecast
The LSPE collaboration, G. Addamo, P. A. R. Ade +102
[Abridged] The measurement of the polarization of the Cosmic Microwave Background radiation is one of the current frontiers in cosmology. In particular, the detection of the primor…
Progress report on the Large Scale Polarization Explorer
L. Lamagna, G. Addamo, P. A. R. Ade +96
The Large Scale Polarization Explorer (LSPE) is a cosmology program for the measurement of large scale curl-like features (B-modes) in the polarization of the Cosmic Microwave Back…
Requirements for future CMB satellite missions: photometric and band-pass response calibration
Tommaso Ghigna, Tomotake Matsumura, Guillaume Patanchon +2
Current and future Cosmic Microwave Background (CMB) Radiation experiments are targeting the polarized -mode signal. The small amplitude of this signal makes a successful measur…
Permittivity and permeability of epoxy-magnetite powder composites at microwave frequencies
Tommaso Ghigna, Mario Zannoni, Michael Jones +1
Radio, millimetre and sub-millimetre astronomy experiments as well as remote sensing applications often require castable absorbers with well known electromagnetic properties to des…
Updated design of the CMB polarization experiment satellite LiteBIRD
H. Sugai, P. A. R. Ade, Y. Akiba +216
Recent developments of transition-edge sensors (TESs), based on extensive experience in ground-based experiments, have been making the sensor techniques mature enough for their app…