Journal
SPACE TELESCOPES AND INSTRUMENTATION 2020: OPTICAL, INFRARED, AND MILLIMETER WAVE
Volume 11443, Issue -, Pages -Publisher
SPIE-INT SOC OPTICAL ENGINEERING
DOI: 10.1117/12.2563050
Keywords
LiteBIRD; cosmic inflation; cosmic microwave background; B-mode polarization; primordial gravitational waves; quantum gravity; space telescope
Funding
- ISAS/JAXA
- acceleration program of JAXA research and development directorate
- World Premier International Research Center Initiative (WPI) of MEXT
- JSPS
- JSPS KAKENHI [JP15H05891, JP17H01115, JP17H01125]
- Italian Space Agency (ASI) [2020-9-HH.0, 2016-24-H.1-2018]
- National Institute for Nuclear Physics (INFN)
- National Institute for Astrophysics (INAF)
- Centre National d'Etudes Spatiale (CNES)
- Centre National de la Recherche Scientifique (CNRS)
- Commissariat a l'Energie Atomique (CEA)
- Canadian Space Agency
- NASA [80NSSC18K0132]
- Research Council of Norway [263011]
- Spanish Agencia Estatal de Investigacion (AEI) [PID2019-110610RB-C21, AYA2017-84185-P]
- Swedish National Space Agency (SNSA/Rymdstyrelsen)
- Swedish Research Council [2019-03959]
- Excellence Cluster ORIGINS - Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under Germany's Excellence Strategy [EXC-2094 -390783311]
- Office of Science of the U.S. Department of Energy
- STFC [ST/M004856/2, ST/S00033X/1] Funding Source: UKRI
Ask authors/readers for more resources
LiteBIRD is a space mission aimed at studying the signal of cosmic inflation through mapping the cosmic microwave background polarization over the full sky with unprecedented precision, contributing to the fields of cosmology and fundamental physics.
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 fundamental physics. JAXA selected LiteBIRD in May 2019 as a strategic large-class (L-class) mission, with its expected launch in the late 2020s using JAXA's H3 rocket. LiteBIRD plans to map the cosmic microwave background (CMB) polarization over the full sky with unprecedented precision. Its main scientific objective is to carry out a definitive search for the signal from cosmic inflation, either making a discovery or ruling out well-motivated inflationary models. The measurements of LiteBIRD will also provide us with an insight into the quantum nature of gravity and other new physics beyond the standard models of particle physics and cosmology. To this end, LiteBIRD will perform full-sky surveys for three years at the Sun-Earth Lagrangian point L2 for 15 frequency bands between 34 and 448 GHz with three telescopes, to achieve a total sensitivity of 2.16 mu K-arcmin with a typical angular resolution of 0.5 degrees at 100 GHz. We provide an overview of the LiteBIRD project, including scientific objectives, mission requirements, top-level system requirements, operation concept, and expected scientific outcomes.
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