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kSZ効果の測定によるダークエナジーの検証

Research Project

Project/Area Number 16J01890
Research Category

Grant-in-Aid for JSPS Fellows

Allocation TypeSingle-year Grants
Section国内
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionThe University of Tokyo

Principal Investigator

杉山 尚徳  東京大学, カブリ数物連携宇宙研究機構, 特別研究員(PD)

Project Period (FY) 2016-04-22 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2018: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords宇宙論 / KSZ効果
Outline of Annual Research Achievements

私は、キネマティック スニアエフ・ゼルドビッチ(KSZ)効果の観測を用いて、宇宙論的パラメータの制限することを目標に研究を行なってきた。そのために、私はKSZ効果の測定手法を新たに開発し、これまでのものよりもずっと高速に測定することを可能とした。そして、KSZ効果における理論予言も新たに作ることに成功した。このような新たな測定手法、理論モデルを用いて、実際の銀河データと宇宙背景マイクロ放射のデータを用いることで、当初の研究目標通りにKSZ効果を用いた宇宙論解析を行い、パラメータを制限することを可能にした。

Research Progress Status

平成30年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

平成30年度が最終年度であるため、記入しない。

Report

(3 results)
  • 2018 Annual Research Report
  • 2017 Annual Research Report
  • 2016 Annual Research Report
  • Research Products

    (6 results)

All 2018 2017 Other

All Int'l Joint Research (2 results) Journal Article (4 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 2 results,  Open Access: 1 results)

  • [Int'l Joint Research] Ohio University(米国)

    • Related Report
      2018 Annual Research Report
  • [Int'l Joint Research] Max Planck Institute(ドイツ)

    • Related Report
      2018 Annual Research Report
  • [Journal Article] A complete FFT-based decomposition formalism for the redshift-space bispectrum2018

    • Author(s)
      Sugiyama Naonori S、Saito Shun、Beutler Florian、Seo Hee-Jong
    • Journal Title

      Monthly Notices of the Royal Astronomical Society

      Volume: 484 Issue: 1 Pages: 364-384

    • DOI

      10.1093/mnras/sty3249

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] A direct measure of free electron gas via the kinematic Sunyaev?Zel'dovich effect in Fourier-space analysis2018

    • Author(s)
      Sugiyama Naonori S、Okumura Teppei、Spergel David N
    • Journal Title

      MNRAS

      Volume: 475 Issue: 3 Pages: 3764-3785

    • DOI

      10.1093/mnras/stx3362

    • Related Report
      2017 Annual Research Report
  • [Journal Article] Limits on statistical anisotropy from BOSS DR12 galaxies using bipolar spherical harmonics2017

    • Author(s)
      Sugiyama Naonori S.、Shiraishi Maresuke、Okumura Teppei
    • Journal Title

      Monthly Notices of the Royal Astronomical Society

      Volume: 473 Issue: 2 Pages: 2737-2752

    • DOI

      10.1093/mnras/stx2333

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Will kinematic Sunyaev-Zel'dovich measurements enhance the science return from galaxy redshift surveys?2017

    • Author(s)
      Sugiyama Naonori S.、Okumura Teppei、Spergel David N.
    • Journal Title

      JCAP

      Volume: 2017 Issue: 01 Pages: 057-057

    • DOI

      10.1088/1475-7516/2017/01/057

    • Related Report
      2016 Annual Research Report

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Published: 2016-05-17   Modified: 2024-03-26  

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