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Basic studies on molecular photochmical reactions due to ultrafast photoelectron diffraction

Research Project

Project/Area Number 16H02132
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Quantum beam science
Research InstitutionHigh Energy Accelerator Research Organization

Principal Investigator

Yagishita Akira  大学共同利用機関法人高エネルギー加速器研究機構, その他部局等, 名誉教授 (80157966)

Co-Investigator(Kenkyū-buntansha) 峰本 紳一郎  東京大学, 大学院理学系研究科(理学部), 助教 (90323493)
二木 かおり  千葉大学, 大学院融合科学研究科, 助教 (10548100)
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥41,210,000 (Direct Cost: ¥31,700,000、Indirect Cost: ¥9,510,000)
Fiscal Year 2018: ¥9,490,000 (Direct Cost: ¥7,300,000、Indirect Cost: ¥2,190,000)
Fiscal Year 2017: ¥11,570,000 (Direct Cost: ¥8,900,000、Indirect Cost: ¥2,670,000)
Fiscal Year 2016: ¥20,150,000 (Direct Cost: ¥15,500,000、Indirect Cost: ¥4,650,000)
Keywords光電子回折法 / 配列分子 / X線自由電子レーザー / 分子光化学反応 / 分子構造 / 超高速光電子回折法 / 光異性化反応 / 分子ムービー / 光電子回折
Outline of Final Research Achievements

We succeeded in measuring Ar 3p photoelectron sideband spectra due to two-color XUV + NIR laser fields. In our calculations of the first-order time-dependent perturbation model, the sideband spectra are well reproduced by considering the timing jitters between the XUV and the NIR pulses. The present approach can be used as a method to evaluate the timing jitters inevitable in FEL experiments.
We performed time-resolved photoelectron spectroscopy of valence orbitals of aligned CO2 molecules using the femtosecond SX-FEL and the synchronized NIR, and then obtained the photoelectron angular distributions of the CO2 molecules aligned in the laboratory frame. We also calculated such angular distributions by considering the degree of alignment. From this, the simulation of the experimental results suggests that, when the degree of alignment can be increased up to 0.8, the molecular geometries during ultrafast photochemical reactions can be extracted from the experimental.

Academic Significance and Societal Importance of the Research Achievements

化学反応、すなわち原子の組み合わせを決める化学空間というものは、スーパーコンピューターをもってしても、系統的な探索を寄せ付けない途方もない膨大な空間である。よって、身の回りで起こっている興味深い分子光化学反応においても、そのダイナミクスが化学物理の基本原理によって解明されていない。
特に、超高速で進行する分子光化学反応の実験では、超短パルスのプローブ光が必要とされるために、その開発研究は近年に始まったばかりである。したがって、分子光化学反応を可視化する超高速光電子回折法の実現に着実に近づいた本研究成果の学術的および社会的な意義は大きい。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Annual Research Report
  • 2016 Annual Research Report
  • Research Products

    (33 results)

All 2019 2018 2017 2016 Other

All Journal Article (8 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 8 results,  Open Access: 2 results,  Acknowledgement Compliant: 2 results) Presentation (24 results) (of which Int'l Joint Research: 6 results,  Invited: 4 results) Remarks (1 results)

  • [Journal Article] Two- and three-photon double ionization of helium by soft x-ray free-electron laser pulses2019

    • Author(s)
      Shimada Hiroyuki、Komatsu Kazma、Komatsubara Wataru、Mizuno Tomoya、Miyake Soichiro、Minemoto Shinichirou、Sakai Hirofumi、Majima Takuya、Owada Shigeki、Togashi Tadashi、Yabashi Makina、Yagishita Akira
    • Journal Title

      Journal of Physics B: Atomic, Molecular and Optical Physics

      Volume: 52 Issue: 6 Pages: 065602-065602

    • DOI

      10.1088/1361-6455/ab0580

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Time-resolved photoelectron angular distributions from nonadiabatically aligned CO2 molecules with SX-FEL at SACLA2018

    • Author(s)
      Minemoto Shinichirou、Shimada Hiroyuki、Komatsu Kazma、Komatsubara Wataru、Majima Takuya、Miyake Soichiro、Mizuno Tomoya、Owada Shigeki、Sakai Hirofumi、Togashi Tadashi、Yabashi Makina、Decleva Piero、Stener Mauro、Tsuru Shota、Yagishita Akira
    • Journal Title

      Journal of Physics Communications

      Volume: 2 Issue: 11 Pages: 115015-115015

    • DOI

      10.1088/2399-6528/aaedd3

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Photoelectron spectroscopy of Rydberg excited states in singly charged molecular ions CS2 + by NIR laser pulses2018

    • Author(s)
      Shimada Hiroyuki、Minemoto Shinichirou、Komatsu Kazma、Komatsubara Wataru、Yoshida Shintaro、Majima Takuya、Mizuno Tomoya、Sakai Hirofumi、Owada Shigeki、Togashi Tadashi、Yabashi Makina、Yagishita Akira
    • Journal Title

      Journal of Physics B: Atomic, Molecular and Optical Physics

      Volume: 51 Issue: 22 Pages: 225601-225601

    • DOI

      10.1088/1361-6455/aae578

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Ar 3p photoelectron sideband spectra in two-color XUV + NIR laser fields2018

    • Author(s)
      Shinichirou Minemoto
    • Journal Title

      J. Phys. B: At. Mol. Opt. Phys.

      Volume: 51

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Theoretical study of ultrafast x-ray photoelectron diffraction from molecules undergoing photodissociation2018

    • Author(s)
      Shota Tsuru
    • Journal Title

      J. Chem. Phys.

      Volume: 148

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] 強レーザー場中の分子構造を観測2017

    • Author(s)
      柳下 明
    • Journal Title

      パリティ

      Volume: 32 Pages: 32-34

    • NAID

      40021259710

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Theory of time-resolved x-ray photoelectrondiffraction from transient conformal molecules2017

    • Author(s)
      Shota Tsuru
    • Journal Title

      Physical Review A

      Volume: 95 Issue: 4 Pages: 043404-043404

    • DOI

      10.1103/physreva.95.043404

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Structure determination of molecules in an alignment laser field by femtosecond photoelectron diffrction using an X-ray free-electron laser2016

    • Author(s)
      Shinichiro Minemoto
    • Journal Title

      Scientific Reports

      Volume: 6 Issue: 1 Pages: 38654-38654

    • DOI

      10.1038/srep38654

    • Related Report
      2016 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Presentation] Theoretical study of ultrafast x-ray photoelectron diffraction from molecules undergoing photodissociation2018

    • Author(s)
      S. Tsuru
    • Organizer
      The Fourteenth International Conference on Electronic Spectroscopy and Structure (ICESS-14)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Two-color above threshold ionization of atoms by using femtosecond XUV free electron laser and NIR laser pulses2018

    • Author(s)
      Shinichirou Minemoto
    • Organizer
      XXI International Conference on Ultrafast Phenomena
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Direct and indirect double photoionization of He with intense femtosecond EUV-FEL pulses2018

    • Author(s)
      Kazma Komatsu
    • Organizer
      34th Symposium on Chemical Kinetics and Dynamics
    • Related Report
      2018 Annual Research Report
  • [Presentation] Photoelectron angular distributions from aligned molecular ions in Rydberg excited states2018

    • Author(s)
      Hiroyuki Shimada
    • Organizer
      34th Symposium on Chemical Kinetics and Dynamics
    • Related Report
      2018 Annual Research Report
  • [Presentation] Time-resolved photoelectron imaging of nonadiabatically aligned CO2 molecules2018

    • Author(s)
      Shinichirou Minemoto
    • Organizer
      34th Symposium on Chemical Kinetics and Dynamics
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] 非断熱的に配列したCO2分子の時間分解光電子分光2018

    • Author(s)
      峰本紳一郎
    • Organizer
      日本物理学会2018年秋季大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] VUV-FELによって生成された分子イオンのリュードベリ状態の光電子分光2018

    • Author(s)
      島田紘行
    • Organizer
      日本物理学会2018年秋季大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] EUV-FELを用いたHeイオンの多光子共鳴イオン化過程の観測2018

    • Author(s)
      小松和真
    • Organizer
      日本物理学会2018年秋季大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Time-resolved photoelectron spectroscopy of atoms and molecules using EUV-FEL and ultrashort laser pulses2018

    • Author(s)
      Shinichirou Minemoto
    • Organizer
      International workshop on theory for attosecond quantum dynamics 2018
    • Related Report
      2018 Annual Research Report
  • [Presentation] EUV-FELを用いた超高速光電子回折法の開発2018

    • Author(s)
      峰本紳一郎
    • Organizer
      第31回日本放射光学会年会・放射光科学合同シンポジウム、つくば国際会議場、1月9-11日
    • Related Report
      2017 Annual Research Report
  • [Presentation] EUV-FELと超短パルス近赤外光によるAr原子の2色超閾イオン化過程2018

    • Author(s)
      島田紘行
    • Organizer
      第31回日本放射光学会年会・放射光科学合同シンポジウム、つくば国際会議場、1月9-11日
    • Related Report
      2017 Annual Research Report
  • [Presentation] SACLAの軟X線FELにおける同期レーザーとのジッターの評価2018

    • Author(s)
      小松和真
    • Organizer
      日本物理学会第73回年次大会、東京理科大学野田キャンパス、3月22-25日
    • Related Report
      2017 Annual Research Report
  • [Presentation] SXFELと同期レーザーによって得られた原子分子の光電子2色シグナル2018

    • Author(s)
      島田紘行
    • Organizer
      日本物理学会第73回年次大会、東京理科大学野田キャンパス、3月22-25日
    • Related Report
      2017 Annual Research Report
  • [Presentation] Photoelectron diffraction from laser-aligned molecules using an x-ray free-electron laser2017

    • Author(s)
      S. Minemoto
    • Organizer
      International Symposium on (e,2e), Double Photo-ionization and Related Topics
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Theory of ultrafast X-ray photoelectron diffraction from molecules undergoing an ultrafast photochemical reation2017

    • Author(s)
      S. Tsuru
    • Organizer
      International Symposium on (e,2e), Double Photo-ionization and Related Topics
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Electron spectra in short-pulse two-color (EUV+NIR) photoionization of atoms and molecules2017

    • Author(s)
      S. Monemoto
    • Organizer
      33rd Symposium on Chemical Kinetics and Dynamics, Nagoya, Japan, June 7-9
    • Related Report
      2017 Annual Research Report
  • [Presentation] Evaluation of timing jitter at BL1 using two-color ATI signals2017

    • Author(s)
      H. Shimada
    • Organizer
      SACLA Users' Meeting 2017, Hyogo, Japan, Dec. 11-12,
    • Related Report
      2017 Annual Research Report
  • [Presentation] 二色超短パルスレーザーによるAr原子の角度分解光電子分光:実験2017

    • Author(s)
      小松原航
    • Organizer
      原子衝突学会第42回年会、上智大学四谷キャンパス、9月8-9日
    • Related Report
      2017 Annual Research Report
  • [Presentation] 二色超短パルスレーザーによるAr原子の角度分解光電子分光:理論2017

    • Author(s)
      小松和真
    • Organizer
      原子衝突学会第42回年会、上智大学四谷キャンパス、9月8-9日
    • Related Report
      2017 Annual Research Report
  • [Presentation] 超高速光電子回折法による光化学反応の分子イメージング2017

    • Author(s)
      島田紘行
    • Organizer
      日本放射光学会第9回若手研究会、東京大学本郷キャンパス、9月11-12日
    • Related Report
      2017 Annual Research Report
  • [Presentation] EUV-FELと超短パルス近赤外光による2色超閾イオン化過程の観測2017

    • Author(s)
      島田紘行
    • Organizer
      日本物理学会2017年秋季大会、岩手大学上田キャンパス、9月21-24日
    • Related Report
      2017 Annual Research Report
  • [Presentation] EUV-FELを用いた超高速光電子回折法の開発I2017

    • Author(s)
      峰本紳一郎
    • Organizer
      日本物理学会2017年秋季大会、岩手大学上田キャンパス、9月21-24日
    • Related Report
      2017 Annual Research Report
  • [Presentation] Theory of ultrafast X-ray photoelectron diffraction based on nuclear wave packet description2016

    • Author(s)
      S. Tsuru
    • Organizer
      12th Asian International Seminar on Atomic and Molecular Physics ( AISAMP12)
    • Place of Presentation
      Changchun, China
    • Year and Date
      2016-09-06
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Femtosecond structure determination of aligned molecules in an intense laser field studied by X-ray photoelectron diffraction with an XFEL2016

    • Author(s)
      S. Minemoto
    • Organizer
      39th International Conference of Vacuum Ultraviolet and X-ray Physics (VUVX2016)(ポスター発表)
    • Place of Presentation
      Zurich, Switzerland
    • Year and Date
      2016-07-03
    • Related Report
      2016 Annual Research Report
    • Int'l Joint Research
  • [Remarks] 柳下・基礎光化学物理研究室

    • URL

      http://molecule.kek.jp

    • Related Report
      2016 Annual Research Report

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Published: 2016-04-21   Modified: 2020-03-30  

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