Paper 14145-89
Paper 14145-89
Overview of LiteBIRD
10 July 2026 • 10:30 - 10:50 CEST | Room B4-M3
Abstract
LiteBIRD is an ISAS/JAXA strategic L-class mission to probe cosmic inflation and the cosmic history of the Universe through full-sky measurements of cosmic microwave background (CMB) polarization. From mid-2024, LiteBIRD undertook a year-long strategic reformation of its mission architecture. This effort included a reassessment of mission requirements, instrument configuration, and the associated procurement plan, while preserving the mission’s scientific objectives and sensitivity targets. The updated LiteBIRD mission places its primary requirement on achieving the necessary map depth, enabling precise extraction of the tensor-to-scalar ratio and ensuring strong capability for a wide range of additional cosmological and astrophysical investigations. LiteBIRD is proceeding toward a planned launch in the 2030s. The mission is scheduled to enter Phase A, following the Mission Design Review (MDR) in 2026. In this presentation, we report an overview of LiteBIRD.
Presenter
Kavli Institute for the Physics and Mathematics of the Universe (Japan)
Tomotake Matsumura is a researcher at the Kavli Institute for the Physics and Mathematics of the Universe (Kavli IPMU), University of Tokyo, specializing in experimental cosmology and instrumentation for observational astronomy. His work focuses on developing advanced detectors and satellite-borne systems to study the cosmic microwave background (CMB), with the aim of uncovering fundamental insights into the early universe, inflation, and cosmological structure. Matsumura has contributed to major international collaborations involving precision measurement, cryogenic instrumentation, and space mission design, and continues to lead efforts that bridge engineering innovation with cutting-edge cosmological research.