IMRAM, Tohoku University
"

Publication and international invited talk

Publication and international invited talk

Publication

[2022]

  • N. Watanabe, K. Kume, M. Takahashi
    A joint experimental and theoretical study of the valence electron momentum distributions of trans-stilbene
    Journal of Electron Spectroscopy and Related Phenomena 259 (2022) 147240 (2022.08)
  • Yuuki Onitsuka, Yuichi Tachibana and Masahiko Takahashi
    Asymptotic behavior of the electron-atom Compton profile due to the intramolecular H-atom motion in H2
    Physical Chemistry Chemical Physics, 2022, Advance Article (2022.07)
  • Yuichi Tachibana, Yuuki Onitsuka, Hirohiko Kono, and Masahiko Takahashi
    Direct and precise mapping of intramolecular H-atom motion in H2 by an electron-atom Compton scattering experiment
    Physical Review A 105, 052813-1-4 (2022.05)
  • N. Watanabe, M. Takahashi
    Theoretical study of generalized oscillator strengths for the low-lying electronic excitations of CH3Cl and CF3Cl
    Journal of Physics B: Atomic, Molecular and Optical Physics 55, 015201 (10pages) (2022.02)

[2021]

  • Noboru Watanabe, Masahiko Takahashi
    Symmetry breaking in electron-impact dissociative ionization of linear symmetric molecules
    Physical Review A 104, 032812-1-5 (2021.09)
  • Noboru Watanabe, Masahiko Takahashi
    Vibrational effects on generalized oscillator strengths of ammonia
    Journal of Physics B: Atomic, Molecular and Optical Physics 54, 135202-1-8 (2021.07)
  • Yuichi Tachibana, Yuuki Onitsuka, Masakazu Yamazaki and Masahiko Takahashi
    “Development of an Electron-Atom Compton Scattering Apparatus Using a Picosecond Pulsed Electron Gun”
    Atoms 2021, 9, 19. (12 pages) (2021.03)

[2020]

  • Noboru Watanabe, Keita Takahashi, Kimihiro Sato, Masahiko Takahashi
    Temperature dependent electron momentum spectroscopy on the molecular orbitals of dimethyl ether
    The Journal of Physical Chemistry A 124, 10258−10265 (2020.12)
  • Noboru Watanabe, Masahiko Takahashi
    Forward–backward asymmetry in electron impact ionization of CO
    The Journal of Chemical Physics 152, 164301-1-7 (2020.04)
  • Noboru Watanabe, Masahiko Takahashi
    Generalized oscillator strengths of low-lying electronic excitations in acetylene
    Journal of Physics B: Atomic, Molecular and Optical Physics 53, 075202-1-8 (2020.03)

[2019]

  • N. Watanabe, M. Takahashi
    Revisiting electron correlation effects on valence shake-up satellites of neon
    Physical Review A 100, 032710-1-8 (2019.9)
  • Y. Tachibana, M. Yamazaki, M. Takahashi
    Direct observation of intramolecular atomic motion in H2 and D2 by using electron-atom Compton scattering
    Physical Review A 100, 032506-1-5 (2019.9)
  • S. Schippers, E. Sokell, F. Aumayr, H. Sadeghpour, K. Ueda, I. Bray, K. Bartschat, A. Murray, J. Tennyson, A. Dorn, M. Yamazaki, M. Takahashi, N. Mason, O. Novotný, A. Wolf, L. Sanche, M. Centurion, Y. Yamazaki, G. Laricchia, C. Surko, J. Sullivan, G. Gribakin, D. Savin, Y. Ralchenko, R. Hoekstra, and G. O’Sullivan
    Roadmap on photonic, electronic and atomic collision physics: II. Electron and antimatter interactions
    Journal of Physics B: Atomic, Molecular and Optical Physics, 52, 171002-1-49 (2019.8)
  • N. Watanabe, T. Hirayama, M. Takahashi
    Vibrational effects on electron-impact valence excitations of SF6
    Physical Review A 99, 062708-1-8 (2019.6)
  • I. Nakajima, M. Yamazaki, and M. Takahashi
    A comparative study of interference effects in (e, 2e) electron momentum profiles of CO2 ethylene and 1,3-butadiene
    Journal of Physics B: Atomic, Molecular and Optical Physics, 52, 114001-1-8 (2019.5)
  • N. Watanabe, K. Sato, M. Takahashi
    Electron momentum spectroscopy study on the valence electronic structure of methyl formate
    The Journal of Chemical Physics 150, 194306-1-9 (2019.5)
  • M. Yamazaki, Y. Tachibana, M. Takahashi
    Influence of translational motion of rare gas atoms on using electron-atom Compton scattering
    Journal of Physics B: Atomic, Molecular and Optical Physics 52, 065205-1-6 (2019.3)
  • N. Watanabe, S. Yamada, M. Takahashi
    (e, e+ion) study on electron-induced dissociative ionization of O2
    Physical Review A 99, 022704-1-11 (2019.2)

[2018]

  • N. Watanabe, T. Hirayama, S. Yamada, M. Takahashi
    Development of an electron-ion coincidence apparatus for molecular-frame electron energy loss spectroscopy studies
    Review of Scientific Instruments 89, 043105-1-10 (2018.4)
  • N. Watanabe, S. Yamada, M. Takahashi
    Stereodynamics of electron-induced dissociative ionization of N2 studied by (e, e+ion) spectroscopy
    Physical Chemistry Chemical Physics,20,1063-1071(2018.1)

[2017]

  • M. Yamazaki, S. Nakayama, C.Y. Zhu, M. Takahashi
    Theoretical analysis of the time-resolved binary (e, 2e) binding energy spectra on three-body photodissociation of acetone at 195 nm
    Journal of Physics: Conference Series,875,012004-1-012004-6(2017.11)
  • M. Yamazaki, M. Hosono, Y. Tang, M. Takahashi
    Development of multi-channel apparatus for electron-atom Compton scattering to study the momentum distribution of atoms in a molecule
    Review of Scientific Instruments,88,063103-1-063103-7(2017.6)
  • N. Watanabe, S. Yamada, M. Takahashi
    Molecular-frame electron-scattering experiment on the dipole-forbidden 2σg → 1πg transition of N2
    Physical Review A,95,060702(R)-1-060702(R)-5(2017.6)
  • F. Morini, N. Watanabe, M. Kojima, M. S. Deleuze, M. Takahashi
    Influence of molecular vibrations on the valence electron momentum distributions of adamantane
    The Journal of Chemical Physics,146,094307-1-094307-10(2017.3)
  • Y. Tang, X. Shan, S. Niu, Z. Liu, E. Wang, N. Watanabe, M. Yamazaki, M. Takahashi, X. Chen
    Electron momentum spectroscopy investigation of molecular conformations of ethanol considering vibrational effects
    The Journal of Physical Chemistry A,121,277-287(2017.1)

[2016]

  • N. Watanabe, K. Katafuchi, M. Yamazaki, M. Takahashi
    Interference effects on (e, 2e) electron momentum profiles: a comparative study for CCl4 and CF4
    The European Physical Journal D,70,268-274(2016.12)
  • M. Yamazaki, Y. Tang, M. Takahashi
    Ionization propensity and electron momentum distribution of the toluene S1 excited state studied by time-resolved binary (e, 2e) spectroscopy
    Physical Review A,94,052509-1 -052509-5 (2016.11)
  • Y. Tang, X. Shan, J. Yang, S. Niu, Z. Zhang, N. Watanabe, M. Yamazaki, M. Takahashi, X. Chen
    Vibrational Effects on Electron Momentum Distributions of Outer-Valence Orbitals of Oxetane
    The Journal of Physical Chemistry A,120,6855-6863(2016.8)
  • N. Watanabe, M. Yamazaki, M. Takahashi
    Relationship between interference pattern and molecular orbital shape in (e, 2e) electron momentum profiles of SF6
    Journal of Electron Spectroscopy and Related Phenomena,209,78-86(2016.4)

[2015]

  • F. Morini, N. Watanabe, M. Kojima, M. S. Deleuze, M. Takahashi
    Electron momentum spectroscopy of dimethyl ether taking account of nuclear dynamics in the electronic ground state
    The Journal of Chemical Physics,143,134309-1-134309-11(2015.10)
  • M. Yamazaki, H. Nakazawa, C. Y. Zhu, M. Takahashi
    An attempt at a product vibrational analysis of a photo-induced chemical reaction by means of time-resolved (e, 2e) electron momentum spectroscopy
    Journal of Physics: Conference Series,635,012010 -1-012010 -7(2015.9)
  • Z. Yang, P. Duffy, Q. Zhu, M. Takahashi, F. Wang
    Theoretical study of valence orbital response to guanine tautomerization in coordinate and momentum spaces
    Journal of Physics B: Atomic, Molecular and Optical Physics,48,205101-1-205101-11 (2015.9)
  • H. Teramoto, M. Toda, M. Takahashi, H. Kono, T. Komatsuzaki
    Mechanism and Experimental Observability of Global Switching Between Reactive and Nonreactive Coordinates at High Total Energies
    Physical Review Letters,115,093003-1-093003-5(2015.8)
  • F. Morini, M. S. Deleuze, N. Watanabe, M. Takahashi
    Theoretical study of molecular vibrations in electron momentum spectroscopy experiments on furan: An analytical versus a molecular dynamical approach
    The Journal of Chemical Physics,142,094308-1-094308-13(2015.3)
  • M. Yamazaki, K. Oishi, H. Nakazawa, C. Zhu, M. Takahashi
    Molecular Orbital Imaging of the Acetone S2 Excited State Using Time-Resolved (e, 2e) Electron Momentum Spectroscopy
    Physical Review Letters,114,103005-1-103005-5(2015.3)

[2014]

  • N. Watanabe, M. Yamazaki, M. Takahashi
    Vibrational effects on valence electron momentum distributions of CH2F2
    Journal of Chemical Physics,141,244314-1-244314-8(2014.12)
  • M. Yamazaki, H. Satoh, N. Watanabe, D. B. Jones, M. Takahashi
    Oscillation of the electron-density distribution in momentum space: An (e, 2e) study of H2 at large momentum transfer
    Physical Review A,90,052711-1-052711-5(2014.11)
  • N. Watanabe, M. Takahashi
    Vibronic effects on the low-lying electronic excitations in N2O induced by electron impact
    Journal of Physics B,47,155203-1-155203-7 (2014.7)

[2013]

  • M. Yamazaki, Y. Kasai, K. Oishi, H. Nakazawa, M. Takahashi
    Development of an (e,2e) electron momentum spectroscopy apparatus using an ultrashort pulsed electron gun
    Review of Scientific Instruments,84,063105-1-10(2013.6)
  • M. Yamazaki, J. Adachi, T. Teramoto, A. Yagishita
    Interatomic resonant Auger effects in core-level photoemission from NO and CS2 molecules
    Journal of Physics B: Atomic, Molecular and Optical Physics,46,115101-1-10(2013.6)
  • N. Watanabe, T. Hirayama, D. Suzuki, M. Takahashi
    Vibronic effects on the low-lying electronic excitations in CO2 induced by electron impact
    Journal of Chemical Physics,138,184311-1-10(2013.5)
  • K. A. Kouzakov, S. A. Zaytsev, Yu. V. Popov, M. Takahashi
    Reply to “Comment on ‘Singly ionizing 100-MeV/amu C6+ + He collisions with small momentum transfer’ ”
    Physical Review A,87,046702 -1-2 (2013.4)
  • D. B. Jones, M. Yamazaki, N. Watanabe, M. Takahashi
    Molecular-frame (e,2e) experiment for N2 at large momentum transfer
    Physical Review A,87,022714-1-5 (2013.2)

[2012]

  • D. B. Jones, M. Yamazaki, N. Watanabe, M. Takahashi
    Electron-impact ionization of N2 at large momentum transfer above the double-ionization threshold
    Physical Review A,86(062707),1-7(2012.12)
  • K. A. Kouzakov, S. A. Zaytsev, Yu. V. Popov, M. Takahashi
    Singly ionizing 100-MeV/amu C6+ + He collisions with small momentum transfer
    Physical Review A,86(032710),1-8(2012.9)
  • M. Stener, P. Decleva, J. Adachi, N. Miyauchi, M. Yamazaki, A. Yagishita
    Recoil frame photoelectron angular distributions in core O 1s ionization of H2CO
    Journal of Physics B: Atomic, Molecular and Optical Physics,45(194004),1-9(2012.9)
  • J. Adachi, M. Kazama, T. Teramoto, N. Miyauchi, T. Mizuno, M. Yamazaki, T. Fujikawa, A. Yagishita
    C 1s photoelectron angular distributions from fixed-in-space CO molecules in the high-energy continuum ≧50 eV
    Journal of Physics B: Atomic, Molecular and Optical Physics,45(194007),1-8(2012.9)
  • N. Watanabe, M. Yamazaki, M. Takahashi
    Vibrational effects on valence electron momentum distributions of ethylene
    Journal of Chemical Physics,137(114301),1-8(2012.9)
  • N. Watanabe, X. J. Chen, M. Takahashi
    Interference effects on (e, 2e) electron momentum profiles of CF4
    Physical Review Letters,108(173201),1-5(2012.4)

[2011]

  • N. Watanabe, D. Suzuki, M. Takahashi
    Vibronic effects on the 1t1→ 3s Rydberg excitation in CF4 induced by electron impact
    The Journal of Chemical Physics,134(234309),1-7(2011.6)
  • M. Yamazaki, H. Satoh, M. Ueda, D. B. Jones, Y. Asano, N. Watanabe, A. Czasch, O. Jagutzki, M. Takahashi
    A highly sensitive electron momentum spectrometer incorporating a multiparticle imaging detector
    Measurement Science & Technology,22(075602),1-13(2011.6)
  • M. Stener, P. Decleva, M. Yamazaki, J. Adachi, A. Yagishita
    O1s photoionization dynamics in oriented NO2
    The Journal of Chemical Physics,134(184305),1-11(2011.5)
  • K. A. Kouzakov, Yu. V. Popov, M. Takahashi
    Theory of laser-assisted electron momentum spectroscopy: Beyond the Volkov Born approximation
    Journal of Physics: Conference Series,288(012009),1-5(2011.4)
  • N. Watanabe, M. Takahashi
    Carbon 1s electron momentum spectroscopy of CF4
    Journal of Physics B: Atomic, Molecular and Optical Physics,44(105201),1-6(2011.4)
  • N. Watanabe, D. Suzuki, M. Takahashi
    Experimental and theoretical study on generalized oscillator strengths of the valence-shell electronic excitations in CF4
    The Journal of Chemical Physics,134(064307),1-12(2011.2)
  • D. B. Jones, M. Yamazaki, N. Watanabe, M. Takahashi
    Electron-impact ionization of the water molecule at large momentum transfer above the double-ionization threshold
    Physical Review A,83,012704-1-8(2011.1)

[2010]

  • M. Yamazaki, J. Adachi, Y. Kimura, M. Stener, P. Decleva, A. Yagishita
    N 1s photoelectron angular distributions from fixed-in-space NO2 molecules: Stereodynamics and symmetry considerations
    The Journal of Chemical Physics,133,164301-1-9(2010.10)
  • K. A. Kouzakov, Yu. V. Popov, M. Takahashi
    Laser-assisted electron momentum spectroscopy
    Physical Review A,82,023410-1-14(2010.8)
  • M. Kazama, J. Adachi, H. Shinotsuka, M. Yamazaki, Y. Ohori, A. Yagishita, T. Fujikawa
    Theoretical study of X-ray photoelectron diffraction for fixed-in-space CO molecules
    Chemical Physics,373,261-266(2010.8)

[2009]

  • A. Sugishima, K. Nagaya, H. Iwayama, M. Yao, J. Adachi, Y. Kimura, M. Yamazaki, A. Yagishita
    Dissociation dynamics of C6H6 and C6H5F molecules following carbon 1s and fluorine 1s photoionization studied by three-dimensional momentum imaging method
    The Journal of Chemical Physics,131,114309-1-6(2009)
  • M. Yamazaki, J. Adachi, T. Teramoto, A. Yagishita, M. Stener, P. Decleva
    3D mapping of photoemission from a single oriented H2O molecule
    Journal of Physics B: Atomic, Molecular and Optical Physics,42,051001-1-5 (2009)
  • M. Takahashi
    Looking at molecular orbitals in three-dimensional form: from dream to reality
    Bulletin of the Chemical Society of Japan,82,751-777(2009)

[2008]

  • X.-J. Liu, H. Fukuzawa, T. Teranishi, A. De Fanis, M. Takahashi, H. Yoshida, A. Cassimi, A. Czasch, L. Schmidt, R. Dorner, K. Wang, B. Zimmermann, V. McKoy, I. Koyano, N. Saito, K. Ueda
    Breakdown of the two-step model in K-shell photoemission and subsequent decay probed by the molecular-frame photoelectron angular distributions of CO2
    Physical Review Letters,101,083001-1-083001-4(2008)
  • M. Yamazaki, J. Adachi, Y. Kimura, A. Yagishita, M. Stener, P. Decleva, N. Kosugi, H. Iwayama, K. Nagaya, M. Yao
    Decay channel dependence of the photoelectron angular distributions in core-level ionization of Ne dimers
    Physical Review Letters,101,043004-1-043004-4(2008)
  • X.-J. Liu, H. Fukuzawa, T. Teranishi, A. De Fanis, M. Takahashi, H. Yoshida, A. Cassimi, A. Czasch, L. Schmidt, R. Dorner, I. Koyano, N. Saito, K. Ueda
    Internal inelastic scattering satellite probed by molecular-frame photoelectron angular distributions from CO2
    Physical Review Letters,101,023001-1-023001-4(2008)
  • N. Watanabe, K. A. Kouzakov, Yu. V. Popov, M. Takahashi
    Electron-impact double ionization of He at large momentum transfer studied by second-order Born-approximation calculations
    Physical Review A,77(032725),1-5(2008)
  • M. Watanabe, T. Hatano, K.Saito, W. Hu, T. Ejima, T. Tsuru, M. Takahashi, H. Kimura, T. Hirono, Z. Wang, M. Cui, M. Yamamoto, M. Yanagihara
    Multilayer polarization elements and their applications to polarimetric studies in vacuum ultraviolet and soft X-ray regions
    Nuclear Science and Techniques,19,193 -203(2008)

[2007]

  • M. Takahashi, Y. Miyake, N. Watanabe, Y. Udagawa, Y. Sakai, T. Mukoyama
    Observation of giant resonance phenomena in the two-step mechanism of electron-Xe collision
    Physical Review Letters,98(013201),1-4(2007)
  • N. Watanabe, M. Takahashi, Y. Udagawa, K.A. Kouzakov, Yu.V. Popov
    Two-step mechanisms in ionization-excitation of He studied by binary (e,2e) experiments and second Born approximation calculations
    Physical Review A,75(052701),1-8(2007)
  • J. Adachi, K. Hosaka, T. Teramoto, M. Yamazaki, N. Watanabe, M. Takahashi, A. Yagishita
    Photoelectron-photoion-photoion momentum spectroscopy as a direct probe of core-hole localization in C 1s photoionization of C2H2
    Journal of Physics B: Atomic, Molecular and Optical Physics,40,F285-F291(2007)

 

 

International invited talk

[2022]

  • Masahiko Takahashi
    Electron-Atom Compton Scattering: A New and Unique Tool for Imaging Intramolecular Atomic Motion
    18th International Conference of Computational Methods in Sciences and Engineering (ICCMSE 2022) (2022.10.28)
  • Yuuki Onitsuka, Masahiko Takahashi
    Establishment of electron-Compton scattering as a molecular spectroscopy to directly observe intramolecular atomic motion
    INTERNATIONAL CONFERENCE ON MANY PARTICLE SPECTROSCOPY OF ATOMS, MOLECULES, CLUSTERS AND SURFACES, Online (2021.06.15-17)

[2021]

  • Yuichi Tachibana, Yuuki Onitsuka, Hirohiko Kono, and Masahiko Takahashi
    Direct observation of atomic motion in molecules using atomic momentum spectroscopy
    (virtual) International Conference on Photonic, Electronic and Atomic Collisions in 2021, Online (2021.7.20–24)
  • M. Yamazaki and M. Takahashi
    Recent progress in time-resolved binary (e, 2e) spectroscopy: Towards real-time imaging of electron orbitals in transient molecular systems
    Yamada Conference LXXII: The 8th Asia-Pacific conference on Few-Body problems in Physics (APFB2020), on-line, (2021.3.1-5)

[2020]

  • Masahiko Takahashi
    Momentum Space Chemistry: From the Idea to the Reality
    The 6th Quantum Science symposium, Crete, Greece (on-line conference), (2020.9.17-23)

[2019]

  • Masahiko Takahashi
    Recent progress in momentum space chemistry by electron-electron and electron-atom Compton scattering experiments
    International Conference on Atomic, Molecular, Optical & Nano Physics with Applications, New Delhi, India, (2019.12.18-20)
  • Yuichi Tachibana, Masakazu Yamazaki, Masahiko Takahashi
    Direct observation of intramolecular atomic motion by using electron-atom Compton scattering
    14th Asia pacific physics conference, Sarawak, Malaysia (2019.11.17-22)
  • Masahiko Takahashi
    Momentum space chemistry – from the idea to reality –
    14th Asia-Pacific Physics Conference, Sarawak, Malaysia, (2019.11.17-22)
  • Isao Nakajima, Masakazu Yamazaki, Masahiko Takahashi
    Asymptotic behavior of plane- and distorted-wave theories to their high energy limits
    20th International Symposium on Correlation, Polarization and Ionization in Atomic and Molecular Collisions, Metz, France, (2019.8.1-3)
  • Le Yu, Masahiko Takahashi
    Ab initio nonadiabatic molecular dynamics study on the photodissociation of acetone at 195nm
    International Symposium on Ultrafast Molecular Dynamics, Sendai, Japan (2019.7.5-6)
  • Masakazu Yamazaki, Masahiko Takahashi
    Towards filming a movie of atomic motions during a chemical reaction
    International Symposium on Ultrafast Molecular Dynamics, Sendai, Japan (2019.7.5-6)
  • Masahiko Takahashi
    Momentum space chemistry – from the idea to reality –
    Faculty Lecture, Department of Applied Physics, Institute of quantum optics and quantum information, Xi’an Jiaotong University, Xi’an, China, (2019.6.13)
  • Masahiko Takahashi
    Momentum space chemistry – from the idea to reality –
    Faculty Lecture, Department of Chemistry and Chemical Engineering, Shannxi Normal Univrsity, Xi’an, China, (2019.6.12)
  • Masahiko Takahashi
    Momentum space chemistry – from the idea to reality –
    Faculty Lecture, Department of Chemistry and Material Science, Northwest University, Xi’an, China, (2019.6.11)

[2018]

  • Noboru Watanabe, Masahiko Takahashi
    Stereodynamics in electron-impact ionization of diatomic molecules studied by electron-ion coincidence spectroscopy
    International Workshop on Atomic and Molecular Collisions, Udaipur, India (2018.12.10-12)
  • Noboru Watanabe, Masahiko Takahashi
    Stereodynamics in electron-impact ionization of diatomic molecules studied by (e, e+ion) spectroscopy
    13th Asian International Seminar on Atomic and Molecular Physics, Mumbai, India (2018.12.3-8)
  • Masakazu Yamazaki, Masahiko Takahashi
    Imaging of atomic motions in a molecule using high-energy electron quasi-elastic backscattering
    13th Asian International Seminar on Atomic and Molecular Physics, Mumbai, India (2018.12.3-8)
  • Le Yu, Masahiko Takahashi
    Unveiling electron momentum spectroscopy of acetone upon 195nm laser excitation by nonadiabatic ab initio molecular dynamics simulation
    13th Asian International Seminar on Atomic and Molecular Physics, Mumbai, India (2018.12.3-8)
  • Masahiko Takahashi
    Towards visualizing the driving principle of a photo-chemical reaction by means of time-resolved electron and atomic momentum spectroscopies
    The 71st Annual Gaseous Electronics Conference (American Physical Society), Portland, USA (2018.11.5-9)
  • Noboru Watanabe, Masahiko Takahashi
    Stereodynamics in electron-impact ionization of molecules studied by molecular-frame electron energy loss spectroscopy
    The international Conference on Many Particle Spectroscopy of Atoms, Molecules, Clusters and Surfaces, Budapest, Hungary (2018.8.21-24)
  • Masakazu Yamazaki, Masahiko Takahashi
    Towards momentum-space imaging of nuclear dynamics by time-resolved electron scattering spectroscopy
    Mini-Symposium on “Electronic and Structural Dynamics”, Sendai (2018.7.31)
  • Yuichi Tachibana, Masakazu Yamazaki, Masahiko Takahashi
    Development of electron impact spectroscopy for directly observing the nuclear motions in molecular systems
    The 7th China-Japan-Korea Joint Seminar on Atomic and Molecular Processes in Plasma (AMPP2018), Hefei, China (2018.7.24-26)
  • Masahiko Takahashi
    Recent progress in (e,2e) electron momentum spectroscopy of atoms and molecules
    The 7th China-Japan-Korea Joint Seminar on Atomic and Molecular Processes in Plasma (AMPP2018), Hefei, China (2018.7.24-26)
  • Le Yu, Masahiko Takahashi
    Unveiling acetone S2 state EMS spectra by nonadiabatic ab initio molecular dynamics simulation
    The First International Joint Symposium of CEFMS-NCTU, RCAS-AS (Taiwan) and 5-Star Alliance (Japan), Hsinchu, Taiwan (2018.5.18-20)
  • Masahiko Takahashi
    Momentum space chemistry: From the idea to reality
    The First International Joint Symposium of CEFMS-NCTU, RCAS-AS (Taiwan) and 5-Star Alliance (Japan), Hsinchu, Taiwan (2018.5.18-20)

[2017]

  • Masahiko Takahashi
    Towards visualizing the driving principle of a chemical reaction by time-resolved high-energy electron impact spectroscopies
    Fifth International Meeting on Frontiers of Physics,Malaysia,Kuala Lumpur,(2017.12.3-2017.12.7)
  • Isao Nakajima, Masakazu Yamazaki, Masahiko Takahashi
    On the range of validity of the plane wave impulse approximation picture for electron momentum spectroscopy
    Fifth International Meeting on Frontiers of Physics,Malaysia,Kuala Lumpur,(2017.12.3-2017.12.7)
  • Masahiko Takahashi
    Towards visualizing the driving principle of a chemical reaction by time-resolved high-energy electron impact spectroscopies
    The Ninth RIES-CIS Symposium,Taiwan,Hsinchu,(2017.10.27-2017.10.28)
  • Masakazu Yamazaki, Masahiko Takahashi
    Towards momentum-space imaging of electronic and nuclear dynamics
    Physical Chemistry Colloquium 2017@Sendai,Japan,Tohoku University, Sendai,(2017.9.19-2017.9.20)
  • Masahiko Takahashi
    Present status and future prospect of a new real-time spectroscopic complex using high-energy electron scattering
    International Symposium on (e,2e), Double Photo-ionization, and Related Topics 2017,Australia,Cairns,(2017.8.2-2017.8.4)
  • Masakazu Yamazaki, Masahiko Takahashi
    Molecular orbital and atomic motion imaging using time-resolved electron scattering
    XXX International Conference on Photonic, Electronic and Atomic Collisions,Australia,Cairns,(2017.7.26-2017.8.1)
  • Masahiko Takahashi
    Development of a real-time spectroscopic complex using high-energy electron scattering for studying photochemical reaction dynamics
    EMN summer meeting 2017,Cuba,Havana,(2017.5.4-2017.5.7)
  • Noboru Watanabe, Masahiko Takahashi
    Angle-resolved EELS studies on vibronic coupling effects and electron-impact induced ionization dynamics
    3rd Computational Chemistry Symposium (The main symposium of 13th international conference of computational methods in science and engineering),Greece,Thessalonki,(2017.4.21-2017.4.25)

[2016]

  • Masahiko Takahashi
    Towards time-resolved imaging of electron and nuclear motions in momentum space
    Stereodynamics (Stereodynamics 2016),Taiwan,Taipei,(2016.11.6-2016.11.11)
  • Masakazu Yamazaki, Masahiko Takahashi
    Recent progress towards time-resolved imaging of molecular orbitals in momentum space
    12th Asian International Seminar on Atomic and Molecular Physics (AISAMP12),China,Changchun,(2016.9.6-2016.9.10)
  • Masahiko Takahashi
    Progress towards time-resolved imaging of molecular orbitals and nuclear motions in momentum space
    International Conference on Many Particle Spectroscopy of Atoms, Molecules, Clusters and Surfaces (MPS 2016),Russia,Moscow,(2016.8.23-2016.8.26)
  • Masahiko Takahashi
    Towards time-resolved imaging of electron and nuclear motions in momentum space
    The 6th China-Japan-Korea Joint Seminar on Atomic and Molecular Processes in Plasma (AMPP2016),China,Chengdu,(2016.7.26-2016.7.29)
  • Masakazu Yamazaki
    Development of time-resolved electron momentum spectroscopy: Towards making the molecular orbital movies of a chemical reaction
    23rd IUPAC Conference on Physical Organic Chemistry (ICPOC23),Australia,Sydney,(2016.7.3-2016.7.8)
  • Masahiko Takahashi
    Towards time-resolved imaging of electron and nuclear motions in momentum space
    6th International Workshop on the Physics at EBITs and Advanced Research Light Sources (PEARL 2016),China,Shanghai,(2016.6.10-2016.6.13)

[2015]

  • Masahiko Takahashi
    Progress in (e, 2e) electron momentum spectroscopy: From the static to the time-resolved regime
    68th Annual Gaseous Electronics Conference/9th International Conference on Reactive Plasmas/33rd Symposium on Plasma Processing,USA,Honolulu,(2015.10.12-2015.10.16)
  • Masakazu Yamazaki
    Towards making the molecular orbital movies of a chemical reaction
    19th East Asian Workshop on Chemical Dynamics,Australia,Gold Coast,(2015.10.4-2015.10.7)
  • Masakazu Yamazaki, Masahiko Takahashi
    Towards making the molecular orbital movies by time-resolved (e,2e) electron momentum spectroscopy
    International Symposium on (e,2e), Double Photo-ionization, and Related Topics 2015,Spain,San Sebastian,(2015.7.30-2015.8.1)
  • Masahiko Takahashi
    Progress in (e, 2e) electron momentum spectroscopy: From the static to the time-resolved regime
    XXIX International Conference on Photonic, Electronic, and Atomic Collisions (XXIX ICPEAC),Spain,Toledo,(2015.7.22-2015.7.28)

[2014]

  • N. Watanabe, M. Takahashi
    Vibrational effects on electronic transitions in molecules studied by high-energy electron scattering experiments
    18th Malaysian International Chemical Congress,Malaysia,Kuala Lumpur,(2014.11.3-2014.11.5)
  • Masahiko Takahashi
    Development of time-resolved electron momentum spectroscopy: towards real-time imaging of frontier electron during chemical reaction
    The 5th China-Japan-Korea Joint Seminar on Atomic and Molecular Processes in Plasma (AMPP2014),China,Lanzhou,(2014.7.28-2014.8.1)
  • M. Yamazaki, M. Takahashi
    Experimental and theoretical progress in time-resolved electron momentum spectroscopy
    International Conference on Many Particle Spectroscopy of Atoms, Molecules, Clusters and Surfaces,France,Metz,(2014.7.16-2014.7.18)
  • Masahiko Takahashi
    Development of time-resolved electron momentum spectroscopy: towards real-time imaging of frontier electron during chemical reaction (Plenary talk)
    The Atomic and Molecular Physics division of the Korean Physics Society, Atomic, Molecular, and Optical Physics (AMO) workshop,Korea,Muju,(2014.6.19-2014.6.21)
  • M. Takahashi
    Development of time-resolved electron momentum spectroscopy: towards real-time imaging of frontier electron during chemical reaction
    The 17th SANKEN International Symposium 2014, Jointed with The 2nd International Symposium of Nano-Macro Materials, Devices and System Research Alliance,Japan,Osaka,(2014.1.21-2014.1.22)

[2013]

  • N. Watanabe, M. Takahashi
    Vibrational effects on electronic transitions in molecules studied by (e,2e) electron momentum spectroscopy and EELS
    International Symposium on (e,2e), Double Photo-ionization and Related Topics & 17th International Symposium on Polarization and Correlation in Electronic and Atomic Collisions,China,Hefei,(2013.8.1-2013.8.3)
  • M. Yamazaki, M. Takahashi
    Development of time-resolved electron momentum spectroscopy: Preliminary results for the photodissociation dynamics of several molecules
    International Symposium on (e,2e), Double Photo-ionization and Related Topics & 17th International Symposium on Polarization and Correlation in Electronic and Atomic Collisions,China,Hefei,(2013.8.1-2013.8.3)
  • M. Yamazaki, Y. Kasai, K. Oishi, H. Nakazawa, M. Takahashi
    Development of time-resolved electron momentum spectroscopy: a tool for visualizing the motion of electrons during a chemical reaction
    XXVIII International Conference on Photonic, Electronic and Atomic Collisions,China,Lanzhou,(2013.7.24-2013.7.30)

[2012]

  • M. Takahashi
    Development of time-resolved (e,2e) electron momentum spectroscopy: the present status of experimental and theoretical progress
    10th Asian International Seminar on Atomic and Molecular Physics,Taiwan,Taipei,(2012.10.23-2012.10.30)
  • N. Watanabe, T. Hirayama, D. Suzuki, M. Takahashi
    Angle-resolved EELS study of vibronic effects on valence-shell electronic excitations in molecules
    10th Asian International Seminar on Atomic and Molecular Physics,Taiwan,Taipei,(2012.10.23-2012.10.30)
  • M. Yamazaki, M. Takahashi
    Progress towards development of time-resolved (e,2e) electron momentum spectroscopy
    International Conference on Many Particle Spectroscopy of Atoms, Molecules, Clusters and Surfaces,Germany,Berlin,(2012.8.27-2012.9.1)
  • M. Takahashi
    Towards next-generation electron momentum spectroscopy experiments (Plenary talk)
    2nd International Symposium on Electron Momentum Spectroscopy,Belgium,Brussels,(2012.8.23-2012.8.24)

[2011]

  • N. Watanabe
    Angle-resolved electron energy loss spectroscopy study on the valence-shell electronic excitations of molecules
    14th Asian Chemical Congress 2011,Thailand,Bangkok,(2011.9.5-2011.9.8)
  • M. Takahashi
    Towards understanding of molecular effect in (e,2e) cross sections at large momentum transfer
    International Symposium on (e,2e), Double Photoionization and Related Topics,Ireland,Dublin,(2011.8.4-2011.8.6)
  • N. Watanabe, M. Takahashi
    Binary (e,2e) study of multi-center interference effects on electron momentum densities of CF4 and CCl4
    International Symposium on (e,2e), Double Photoionization and Related Topics,Ireland,Dublin,(2011.8.4-2011.8.6)
  • M. Takahashi
    Electron momentum spectroscopy: a useful means for investigating the electronic structure of matter, dynamics in binary (e, 2e) reactions
    27th Symposium on Chemical Kinetics and Dynamics,Japan,Tokyo,(2011.6.8-2011.6.10)

[2010]

  • M. Yamazaki, M. Takahashi
    Future prospects of EMS in Sendai
    International Workshop on Frontiers of Electron Momentum Spectroscopy 2010,Japan,Sendai,(2010.9.9)
  • N. Watanabe, M. Takahashi
    EMS study on the satellite transitions of the neon and argon valence shells
    International Workshop on Frontiers of Electron Momentum Spectroscopy 2010,Japan,Sendai,(2010.9.9)
  • D. B. Jones, M. Takahashi
    An (e,2e+M) triple coincidence study on N2
    International Workshop on Frontiers of Electron Momentum Spectroscopy 2010,Japan,Sendai,(2010.9.9)
  • K. A. Kouzakov, Yu. V. Popov, M. Takahashi
    Laser-assisted electron momentum spectroscopy
    International Conference on Many Particle Spectroscopy of Atoms, Molecules, Clusters and Surfaces,Japan,Sendai,(2010.9.4-2010.9.7)

[2009]

  • M. Yamazaki
    3D mapping of core-level photoemission from a single oriented H2O molecule
    11-th International Conference on Electronic Spectroscopy and Structure (ICESS-11),Japan,Nara,(2009.10.6-2009.10.10)
  • N. Watanabe, M. Takahashi
    Experimental and Theoretical (e,2e) Studies on He and H2
    XXVI International Conference on Photonic, Electronic, and Atomic Collisions,USA,Kalamazoo,(2009.7.22-2009.7.28)
  • M. Takahashi
    Roles of Two-Step Mechanisms in Electron Collision Dynamics
    Japan-Korea Symposium on Molecular Science 2009 “Chemical Dynamics in Materials and Biological Molecular Sciences”,Japan,Awajishima Island,(2009.7.12-2009.7.14)
  • N. Watanabe, Y. Asano, M. Takahashi
    Simultaneous ionization-excitation dynamics studied by (e,2e) electron momentum spectroscopy
    Symposium on Dynamics of Molecules and Clusters,Japan,Sendai,(2009.6.3)
  • M. Takahashi
    Double electron excitation dynamics studied by (e,2e) electron momentum spectroscopy
    Third International Meeting on Frontiers of Physics (IMFP2009),Malaysia,Kuala Lumpur,(2009.1.12-2009.1.16)

[2007]

  • Yu.V. Popov, K.A. Kozakov, P.S. Vinitsky, N. Watanabe, M. Takahashi, C. Dal Cappello
    Second-order electron momentum spectroscopy
    International Symposium on (e,2e), Double Photoionization and Related Topics,Germany,Königstein/Taunus,(2007.8.1-2007.8.4)
  • Masahiko Takahashi
    Giant resonance in the two step mechanism observed in (e,2e) electron-Xe collision
    International Symposium on (e,2e), Double Photoionization and Related Topics,Germany,Königstein/Taunus,(2007.8.1-2007.8.4)