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Quest for Primordial Gravitational Wave: from Simons Array to next generation CMB experiments

Research Project

Project/Area Number 19KK0079
Research Category

Fund for the Promotion of Joint International Research (Fostering Joint International Research (B))

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 15:Particle-, nuclear-, astro-physics, and related fields
Research InstitutionHigh Energy Accelerator Research Organization

Principal Investigator

HASEGAWA MASAYA  大学共同利用機関法人高エネルギー加速器研究機構, 素粒子原子核研究所, 准教授 (60435617)

Co-Investigator(Kenkyū-buntansha) 羽澄 昌史  大学共同利用機関法人高エネルギー加速器研究機構, 素粒子原子核研究所, 教授 (20263197)
金子 大輔  大学共同利用機関法人高エネルギー加速器研究機構, 素粒子原子核研究所, 研究員 (60790342)
西野 玄記  公益財団法人高輝度光科学研究センター, 情報技術推進室, テニュアトラック研究員 (80706804)
南 雄人  大阪大学, 核物理研究センター, 特任助教(常勤) (80788240)
木内 健司  東京大学, 大学院理学系研究科(理学部), 助教 (00791071)
Project Period (FY) 2019-10-07 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥18,070,000 (Direct Cost: ¥13,900,000、Indirect Cost: ¥4,170,000)
Fiscal Year 2022: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2021: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2020: ¥6,760,000 (Direct Cost: ¥5,200,000、Indirect Cost: ¥1,560,000)
Fiscal Year 2019: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Keywords宇宙背景放射 / インフレーション / 原始重力波 / 偏光 / 重力レンズ / 検出器開発 / 超伝導検出器 / 角度較正
Outline of Research at the Start

インフレーション宇宙仮説の検証は宇宙物理および素粒子物理の最重要課題の一つである。本計画では、宇宙マイクロ波背景放射(CMB)偏光の精密観測を通して「原始重力波」の痕跡を探すという手法により、インフレーション仮説の実験的検証を行う。本研究計画メンバーが中心となって望遠鏡を稼働させる「Simons Array実験」により、CMB偏光成分の精密観測を実現し偏光成分の1%のレベルまで原始重力波を探索する。またその過程で、次世代実験にも耐えうる精度で系統誤差の制御を可能にする手法を確立し、各最先端実験の中核で日本を中心にした国際共同研究の基盤を強固に築く。

Outline of Final Research Achievements

This study aims to achieve the world's first precise measurement of CMB polarization through the "Simons Array" experiment, a groundbreaking telescope array, and to establish foundational technologies for ultra-precise observations in next-generation experiments. Through this research, stronger relationships have been built among Japan, the US, and Europe, enabling international collaboration that led to the installation of the first and second Simons Array telescopes at the Chilean observation site. Following commisioning observations, scientific observations have commenced. Additionally, to address systematic error control for future generations, an innovative calibration device was proposed, implemented, and confirmed to perform as expected. This research has laid a solid foundation for the future of CMB observations.

Academic Significance and Societal Importance of the Research Achievements

「宇宙がどのようにはじまったのか?」宇宙創成は人類究極の問いである。この問いに科学的に答える手段としてCMB偏光の精密測定による原始重力波の探索が提案されている。非常に微弱な信号をとらえる必要があるが、近年の超伝導センサーとよばれる高感度センサーの登場と、本研究を通して、それをアレイ化して運用できる技術の実現により、次世代実験によって実際に検出が視野に入ってきたことは学術的に大きな意義がある。実際に観測できれば、社会的な関心やインパクトも非常に大きいと考える。

Report

(6 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • Research Products

    (88 results)

All 2024 2023 2022 2021 2020 2019 Other

All Int'l Joint Research (26 results) Journal Article (17 results) (of which Int'l Joint Research: 16 results,  Peer Reviewed: 16 results,  Open Access: 12 results) Presentation (34 results) (of which Int'l Joint Research: 4 results,  Invited: 1 results) Remarks (11 results)

  • [Int'l Joint Research] カリフォルニア大学バークレー校/カリフォルニア大学サンディエゴ校/ローレンス・バークレー国立研究所(米国)

    • Related Report
      2023 Annual Research Report
  • [Int'l Joint Research] マギル大学/ダルハウジー大学(カナダ)

    • Related Report
      2023 Annual Research Report
  • [Int'l Joint Research] マンチェスター大学/インペリアルカレッジロンドン/ケンブリッジ大学(英国)

    • Related Report
      2023 Annual Research Report
  • [Int'l Joint Research] オルセー大学/サクレー大学/パリ大学(フランス)

    • Related Report
      2023 Annual Research Report
  • [Int'l Joint Research] SISSA(イタリア)

    • Related Report
      2023 Annual Research Report
  • [Int'l Joint Research] カリフォルニア大学バークレー校/カリフォルニア大学サンディエゴ校/ローレンス・バークレー国立研究所(米国)

    • Related Report
      2022 Research-status Report
  • [Int'l Joint Research] マギル大学/ダルハウジー大学(カナダ)

    • Related Report
      2022 Research-status Report
  • [Int'l Joint Research] マンチェスター大学/インペリアルカレッジロンドン/ケンブリッジ大学(英国)

    • Related Report
      2022 Research-status Report
  • [Int'l Joint Research] オルセー大学/サクレー大学/パリ大学(フランス)

    • Related Report
      2022 Research-status Report
  • [Int'l Joint Research] SISSA(イタリア)

    • Related Report
      2022 Research-status Report
  • [Int'l Joint Research]

    • Related Report
      2022 Research-status Report
  • [Int'l Joint Research] カリフォルニア大学バークレー校/カリフォルニア大学サンディエゴ校/ローレンス・バークレー国立研究所(米国)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] マギル大学/ダルハウジー大学(カナダ)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] マンチェスター大学/インペリアルカレッジロンドン/ケンブリッジ大学(英国)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] オルセー大学/サクレー大学/パリ大学(フランス)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] SISSA(イタリア)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] カリフォルニア大学バークレー校/カリフォルニア大学サンディエゴ校/ローレンス・バークレー国立研究所(米国)

    • Related Report
      2020 Research-status Report
  • [Int'l Joint Research] マギル大学/ダルハウジー大学(カナダ)

    • Related Report
      2020 Research-status Report
  • [Int'l Joint Research] マンチェスター大学/インペリアルカレッジロンドン/ケンブリッジ大学(英国)

    • Related Report
      2020 Research-status Report
  • [Int'l Joint Research] オルセー大学/サクレー大学/パリ大学(フランス)

    • Related Report
      2020 Research-status Report
  • [Int'l Joint Research] SISSA(イタリア)

    • Related Report
      2020 Research-status Report
  • [Int'l Joint Research] カリフォルニア大学バークレー校/カリフォルニア大学サンディエゴ校/ローレンス・バークレー国立研究所(米国)

    • Related Report
      2019 Research-status Report
  • [Int'l Joint Research] マギル大学/ダルハウジ大学(カナダ)

    • Related Report
      2019 Research-status Report
  • [Int'l Joint Research] マンチェスター大学/インペリアルカレッジロンドン/ケンブリッジ大学(英国)

    • Related Report
      2019 Research-status Report
  • [Int'l Joint Research] オルセー大学/サクレー大学/パリ大学(フランス)

    • Related Report
      2019 Research-status Report
  • [Int'l Joint Research] SISSA(イタリア)

    • Related Report
      2019 Research-status Report
  • [Journal Article] Design and performance of a gain calibration system for the POLARBEAR-2a receiver system at the Simons Array cosmic microwave background experiment2024

    • Author(s)
      Kaneko Daisuke、Takatori Sayuri、Hasegawa Masaya、Hazumi Masashi、Inoue Yuki、Jeong Oliver、Katayama Nobuhiko、Lee Adrian T.、Matsuda Frederick、Nishino Haruki、Siritanasak Praween、Suzuki Aritoki、Takakura Satoru、Tomaru Takayuki
    • Journal Title

      Journal of Astronomical Telescopes, Instruments, and Systems

      Volume: 10 Issue: 01

    • DOI

      10.1117/1.jatis.10.1.018003

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Development of an epoxy-based millimeter absorber with expanded polystyrenes and carbon black for an astronomical telescope2023

    • Author(s)
      Inoue Yuki、Hasegawa Masaya、Hazumi Masashi、Takada Suguru、Tomaru Takayuki
    • Journal Title

      Applied Optics

      Volume: 62 Issue: 5 Pages: 1419-1419

    • DOI

      10.1364/ao.480162

    • Related Report
      2023 Annual Research Report 2022 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Constraints on axionlike polarization oscillations in the cosmic microwave background with POLARBEAR2023

    • Author(s)
      The POLARBEAR collaboration, Y. Chinone and, et al,.
    • Journal Title

      Physical Review D

      Volume: 108 Issue: 4 Pages: 043017-043017

    • DOI

      10.1103/physrevd.108.043017

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Broadband Multi-layer Anti-reflection Coatings with Mullite and Duroid for Half-wave Plates and Alumina Filters for CMB Polarimetry2022

    • Author(s)
      Sakaguri Kana、Hasegawa Masaya、Sakurai Yuki、Hill Charles、Kusaka Akito
    • Journal Title

      Journal of Low Temperature Physics

      Volume: 209 Issue: 5-6 Pages: 1264-1271

    • DOI

      10.1007/s10909-022-02847-0

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Improved Upper Limit on Degree-scale CMB B-mode Polarization Power from the 670 Square-degree POLARBEAR Survey2022

    • Author(s)
      The POLARBEAR collaboration, and Y. Chinone et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 931 Issue: 2 Pages: 101-101

    • DOI

      10.3847/1538-4357/ac6809

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] High-precision temperature monitoring system for room-temperature equipment in astrophysical observations2022

    • Author(s)
      Tanabe Daiki、Hasegawa Masaya、Hazumi Masashi、Katayama Nobuhiko、Kikuchi Shuhei、Lee Adrian、Nishino Haruki、Takakura Satoru
    • Journal Title

      Journal of Astronomical Telescopes, Instruments, and Systems

      Volume: 8 Issue: 03 Pages: 036003-036003

    • DOI

      10.1117/1.jatis.8.3.036003

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] CMB-S4: Forecasting Constraints on Primordial Gravitational Waves2022

    • Author(s)
      Kevork Abazajian et al.
    • Journal Title

      ApJ

      Volume: 926 Issue: 1 Pages: 54-54

    • DOI

      10.3847/1538-4357/ac1596

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Probing Cosmic Inflation with the LiteBIRD Cosmic Microwave Background Polarization Survey2022

    • Author(s)
      LiteBIRD Collaboration、他
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: ptac150 Issue: 4 Pages: 1-143

    • DOI

      10.1093/ptep/ptac150

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Improved upper limit on degree-scale CMB B-mode polarization power from the 670 square-degree POLARBEAR survey2022

    • Author(s)
      S. Adachi, M. Hasegawa(18番目) 他51名
    • Journal Title

      Astrophysical Journal

      Volume: -

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Method for rapid performance validation of large TES bolometer array for POLARBEAR-2A using a coherent millimeter-wave source2021

    • Author(s)
      Segawa Yuuko et al.
    • Journal Title

      AIP Conference Proceedings

      Volume: - Pages: 00-00

    • DOI

      10.1063/5.0038197

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Data acquisition and management system for the CMB polarization experiment: Simons Array2020

    • Author(s)
      Nishino Haruki et al.
    • Journal Title

      SPIE

      Volume: - Pages: 1145329-1145329

    • DOI

      10.1117/12.2560616

    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Journal Article] A Measurement of the CMB E-mode Angular Power Spectrum at Subdegree Scales from 670 Square Degrees of POLARBEAR Data2020

    • Author(s)
      Adachi S. et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 904 Issue: 1 Pages: 65-65

    • DOI

      10.3847/1538-4357/abbacd

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Deployment of POLARBEAR-2A2020

    • Author(s)
      D. Kaneko, M. Hasegawa(36番目), M. Hazumi(37番目), Y. Minami (56番目), H. Nishino(58番目) 他73名
    • Journal Title

      Journal of Low Temperature Physics

      Volume: 199 Issue: 3-4 Pages: 1137-1147

    • DOI

      10.1007/s10909-020-02366-w

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Internal Delensing of Cosmic Microwave Background Polarization B-Modes with the POLARBEAR Experiment2020

    • Author(s)
      S. Adachi, M. Hasegawa (22番目), M. Hazumi(23番目), Y. Minami (36番目), H. Nishino(39番目) 他49名
    • Journal Title

      Physical Review Letters

      Volume: 124 Issue: 13 Pages: 1313011-7

    • DOI

      10.1103/physrevlett.124.131301

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Measurement of the Cosmic Microwave Background Polarization Lensing Power Spectrum from Two Years of POLARBEAR Data2019

    • Author(s)
      M. Aguilar Faundez, M. Hasegawa (19番目), M. Hazumi(20番目), H. Nishino(36番目), Y. Minami(34番目) 他47名
    • Journal Title

      The Astrophysical Journal

      Volume: 893 Issue: 1 Pages: 85-93

    • DOI

      10.3847/1538-4357/ab7e29

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Evidence for the Cross-Correlation between Cosmic Microwave Background Polarization Lensing from Polarbear and Cosmic Shear from Subaru Hyper Suprime-Cam2019

    • Author(s)
      Toshiya Namikawa, Yuji Chinone, Hironao Miyatake, Masamune Oguri, et al.
    • Journal Title

      The Astrophysical Journal

      Volume: 882 Issue: 1 Pages: 62-62

    • DOI

      10.3847/1538-4357/ab3424

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Simultaneous determination of the cosmic birefringence and miscalibrated polarization angles from CMB experiments2019

    • Author(s)
      Minami Yuto、Ochi Hiroki、Ichiki Kiyotomo、Katayama Nobuhiko、Komatsu Eiichiro、Matsumura Tomotake
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 8 Issue: 8

    • DOI

      10.1093/ptep/ptz079

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] CMB偏光観測に向けたSimons Array実験の解析の現状2023

    • Author(s)
      竹内敦人 他POLARBEAR Collaboration
    • Organizer
      物理学会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Simons Array実験の概要と2台目望遠鏡の準備状況2023

    • Author(s)
      坂栗佳奈 他POLARBEAR Collaboration
    • Organizer
      物理学会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Simons Array実験, POLARBEAR実験のかに星雲の観測によるAxion探索の現状2023

    • Author(s)
      山田恭平 他POLARBEAR Collaboration
    • Organizer
      物理学会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Simons Array実験におけるデータ選別手法の開発2023

    • Author(s)
      村田雅彬 他POLARBEAR Collaboration
    • Organizer
      物理学会
    • Related Report
      2023 Annual Research Report
  • [Presentation] Simons Array実験における検出器応答の非線形性の評価2023

    • Author(s)
      西ノ宮ゆめ 他POLARBEAR Collaboration
    • Organizer
      物理学会
    • Related Report
      2023 Annual Research Report
  • [Presentation] POLARBEAR実験によるCMB偏光を用いたAxion探査の現状2023

    • Author(s)
      茅根裕司 他POLARBEAR Collaboration
    • Organizer
      天文学会
    • Related Report
      2023 Annual Research Report
  • [Presentation] POLARBEAR実験によるCMB円偏光探索に向けた半波長板の評価32022

    • Author(s)
      藤野琢郎
    • Organizer
      日本物理学会
    • Related Report
      2021 Research-status Report
  • [Presentation] Simons Array実験 観測サイトにおけるコミッショニング2022

    • Author(s)
      金子大輔
    • Organizer
      物理学会
    • Related Report
      2021 Research-status Report
  • [Presentation] Simons Array実験における人工較正光源を用いた検出器感度最適化の手法の開発2022

    • Author(s)
      高取沙悠理
    • Organizer
      物理学会
    • Related Report
      2021 Research-status Report
  • [Presentation] Simons Array望遠鏡の検出器の偏光特性評価のための狭帯域RF発信器を用いた光学試験装置の開発2022

    • Author(s)
      廣瀬開陽
    • Organizer
      天文学会
    • Related Report
      2021 Research-status Report
  • [Presentation] CMB偏光観測実験Simons Arrayの現状2022

    • Author(s)
      金子大輔
    • Organizer
      第22回ミリ波・サブミリ波受信機ワークショップ
    • Related Report
      2021 Research-status Report
  • [Presentation] 強度可変光源を用いたCMB観測用TES検出器の特性評価手法の開発2022

    • Author(s)
      廣瀬開陽
    • Organizer
      第22回ミリ波・サブミリ波受信機ワークショップ
    • Related Report
      2021 Research-status Report
  • [Presentation] CMB偏光観測装置Simons Arrayのための検出器較正用光源装置の開発2022

    • Author(s)
      高取沙悠理
    • Organizer
      第22回ミリ波・サブミリ波受信機ワークショップ
    • Related Report
      2021 Research-status Report
  • [Presentation] Simons Array実験2021年の準備状況2021

    • Author(s)
      金子大輔
    • Organizer
      日本物理学会
    • Related Report
      2021 Research-status Report
  • [Presentation] Simons Observatory, Large Aperture Telescopeのための較正光源の開発2021

    • Author(s)
      金子大輔
    • Organizer
      天文学会
    • Related Report
      2021 Research-status Report
  • [Presentation] Simons Array実験における惑星観測による検出器評価2021

    • Author(s)
      山田恭平
    • Organizer
      天文学会
    • Related Report
      2021 Research-status Report
  • [Presentation] Simons Array実験における較正光源を用いた検出器性能評価試験2021

    • Author(s)
      高取沙悠理
    • Organizer
      天文学会
    • Related Report
      2021 Research-status Report
  • [Presentation] 宇宙マイクロ波背景放射と最近の観測の状況2021

    • Author(s)
      金子大輔
    • Organizer
      Flavor Physics workshop 2021 (FPWS2021)
    • Related Report
      2021 Research-status Report
  • [Presentation] POLARBEAR-2/Simons Array実験 -観測機器コミッショ二ング状況-2020

    • Author(s)
      長谷川雅也
    • Organizer
      天文学会
    • Related Report
      2020 Research-status Report
  • [Presentation] POLARBEAR-2/Simons Array実験 -観測サイトでの観測機器準備状況-2020

    • Author(s)
      長谷川雅也
    • Organizer
      天文学会
    • Related Report
      2020 Research-status Report
  • [Presentation] Simons Array実験の現状報告2020

    • Author(s)
      西野玄記
    • Organizer
      物理学会
    • Related Report
      2020 Research-status Report
  • [Presentation] POLARBEAR-2aにおける較正光源を利用した検出器の監視と評価2020

    • Author(s)
      金子大輔
    • Organizer
      天文学会
    • Related Report
      2020 Research-status Report
  • [Presentation] Simons Array実験の進捗報告2020

    • Author(s)
      西野玄記
    • Organizer
      物理学会
    • Related Report
      2020 Research-status Report
  • [Presentation] Data acquisition and management system for the CMB polarization experiment: Simons Array2020

    • Author(s)
      Haruki Nishino
    • Organizer
      SPIE
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] POLARBEAR-2/Simons Array実験の現状2020

    • Author(s)
      西野玄記
    • Organizer
      物理学会
    • Related Report
      2019 Research-status Report
  • [Presentation] 将来衛星計画LiteBIRDのための宇宙線の影響を軽減する超伝導検出器の研究2020

    • Author(s)
      南雄人
    • Organizer
      物理学会
    • Related Report
      2019 Research-status Report
  • [Presentation] POLARBEAR-2/Simons Array実験 -本観測に向けた観測機器コミッショニング状況2020

    • Author(s)
      長谷川雅也
    • Organizer
      天文学会
    • Related Report
      2019 Research-status Report
  • [Presentation] POLARBEAR-2aの高温黒体放射光源を利用した検出器データの検証と較正2020

    • Author(s)
      金子大輔
    • Organizer
      天文学会
    • Related Report
      2019 Research-status Report
  • [Presentation] Simons Array2020

    • Author(s)
      Masaya Hasegawa
    • Organizer
      新学術「加速宇宙」シンポジウム
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] POLARBEAR-2実験の現状2019

    • Author(s)
      西野玄記
    • Organizer
      物理学会
    • Related Report
      2019 Research-status Report
  • [Presentation] 宇宙マイクロ波背景放射偏光観測実験POLARBEAR-2 -観測開始に向けた観測サイトでの準備状況-2019

    • Author(s)
      長谷川雅也
    • Organizer
      天文学会
    • Related Report
      2019 Research-status Report
  • [Presentation] POLARBEAR-2A較正光源の現地への設置と運用2019

    • Author(s)
      金子大輔
    • Organizer
      天文学会
    • Related Report
      2019 Research-status Report
  • [Presentation] Cosmic inflation and Neutrino masses at POLARBEAR/Simons Array2019

    • Author(s)
      Masaya Hasegawa
    • Organizer
      日米40周年シンポジウム
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Contributions from IPNS/KEK2019

    • Author(s)
      Masaya Hasegawa
    • Organizer
      LiteBIRDキックオフシンポジウム
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Remarks] KEK-CMBグループ

    • Related Report
      2023 Annual Research Report
  • [Remarks] POLARBEARグループweb

    • URL

      http://bolo.berkeley.edu/polarbear/

    • Related Report
      2023 Annual Research Report
  • [Remarks] Masaya Hasegawa's Homepage

    • URL

      https://research-up.kek.jp/people/masayan/index.html

    • Related Report
      2023 Annual Research Report
  • [Remarks] KEK-CMBグループ

    • Related Report
      2022 Research-status Report
  • [Remarks] POLARBEARグループweb

    • URL

      http://bolo.berkeley.edu/polarbear

    • Related Report
      2022 Research-status Report 2021 Research-status Report 2020 Research-status Report 2019 Research-status Report
  • [Remarks] Masaya Hasegawa's Homepage

    • URL

      http://research-up.kek.jp/people/masayan/index.html

    • Related Report
      2022 Research-status Report 2021 Research-status Report 2020 Research-status Report 2019 Research-status Report
  • [Remarks] 量子場計測システム国際拠点

    • Related Report
      2022 Research-status Report
  • [Remarks] KEK-CMBグループ

    • Related Report
      2021 Research-status Report
  • [Remarks] 量子場計測システム国際拠点

    • Related Report
      2021 Research-status Report
  • [Remarks] KEK-CMBグループ

    • Related Report
      2020 Research-status Report
  • [Remarks] KEK-CMBグループ

    • Related Report
      2019 Research-status Report

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Published: 2019-10-10   Modified: 2025-01-30  

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