Publications

2017

  • "Design and commissioning of the RIKEN cryogenic electrostatic ring (RICE)"
    Y. Nakano, Y. Enomoto, T. Masunaga, S. Menk, P. Bertier, and T. Azuma
    Rev. Sci. Instrum. 88, 033110 (2017)

2016

2015

  • "Inverse internal conversion in C4􏰀 below the electron detachment threshold"
    N. Kono, T. Furukawa, H. Tanuma, J. Matsumoto, H. Shiromaru, T. Azuma, K. Najafian, M. S. Pettersson, B. Dynefors and K. Hansen
    Phys. Chem. Chem. Phys. 17, 24732 (2015)
  • "Metastable Ar17+ (2s) production by Stark-assisted resonant coherent excitation"
    Y. Nakano, A. A. Sokolik, A. V. Stysin, Y. Nakai, K. Komaki, E. Takada, T. Murakami and T. Azuma
    J. Phys. B: At. Mol. Opt. Phys. 48 144026 (2015)
  • -- Selected as an featured article in LabTalk


  • "Cooling dynamics of photo-excited negative carbon cluster ions stored in an ion storage ring"
    T. Furukawa, G. Ito, M. Goto, T. Majima, H. Tanuma, J. Matsumoto, H. Shiromaru, K. Hansen and T. Azuma
    Nucl. Instrum. Methods Phys. Res., Sect. B 354, 192 (2015)
  • "A streak camera study of superfluorescence at multiple wavelengths from helium atoms excited using free electron laser pulses"
    J. R. Harries, H. Iwayama, M. Nagasono, T. Togashi, M. Yabashi, S. Kuma, K. Nakajima, Y. Miyamoto, C. Ohae, N. Sasao and E. Shigemasa
    J. Phys. B: At. Mol. Opt. Phys. 48 105002 (2015) Erratum
  • "Simultaneous Measurements of Super-Radiance at Multiple Wavelengths from Helium Excited States: I. Experiment"
    K. Nakajima, J. R. Harries, H. Iwayama, S. Kuma, Y. Miyamoto, M. Nagasono, C. Ohae, T. Togashi, M. Yabashi, E. Shigemasa and N. Sasao
    J. Phys. Soc. Jpn. 84, 054301 (2015)

2014

  • "Cooling dynamics of photo-excited C6- and C6H-"
    G. Ito, T. Furukawa, H. Tanuma, J. Matsumoto, H. Shiromaru, T. Majima, M. Goto, T. Azuma, and K. Hansen
    Phys. Rev. Lett. 112, 183001 (2014).
  • "Radiative cooling of C7-"
    K. Najafian, M.S. Pettersson, B. Dynefors, H. Shiromaru, J. Matsumoto, H. Tanuma, T. Furukawa, T. Azuma, K. Hansen
    J. Chem. Phys. 140, 104311 (2014).

2013

  • “Effects of fine structure depolarization studied by resonant coherent excitation of H-like Ar17+”
    Y. Nakano, A. Hatakeyama, Y. Nakai, K. Komaki, E. Takada, T. Murakami,
    T. Azuma,
    Phys. Scr. T156, 014061 (2013).
  • "Stark effect in resonant coherent excitation of 2s electron of Li-like Fe23+ ions channeling in a Si crystal"
    Y. Nakai, Y. Nakano, T. Ikeda, Y. Kanai, T. Kambara, N. Fukunishi, C. Kondo, T. Azuma, K. Komaki, Y. Yamazaki
    Nucl. Instr. Meth. B 315 (2013) 94.
  • "Direct observation of internal energy distributions of C5-"
    M. Goto, A.E.K. Sundén, H. Shiromaru, J. Matsumoto, H. Tanuma, T. Azuma, and K. Hansen
    J. Chem. Phys. 139, 054306 (2013).
  • "Resonant coherent excitation of the lithiumlike uranium ion: A scheme for heavy-ion spectroscopy"
    Y. Nakano, Y. Takano, T. Ikeda, Y. Kanai, S. Suda, T. Azuma, H. Bräuning, A. Bräuning-Demian, D. Dauvergne, Th. Stöhlker, and Y. Yamazaki
    Phys. Rev. A (Rapid Comm.) 87, 060501R (2013).

2012

  • "Generation of Highly Phase-Matched Isolated Attosecond Pulses Using Multi-mJ, Carrier-Envelope Phase Stabilized, Few-Cycle Laser Pulses"
    T. Kanai, Y. Fu, Y. Kamba, S. Bohman, H. Yoshida, T. Kanai, S. Yamaguchi, E. J. Takahashi, Y. Nabekawa, A. Suda, and K. Midorikawa
    Multiphoton Processes and Attosecond Physics, Springer Proceedings in Physics 125, 105 (2012).
  • "Development of High Power Infrared Optical Parametric Amplification Laser System Seeded by Self-difference Frequency Generation Pulses"
    T. Kanai, S. Weber, A. Zair, C. Hutchison, T. Siegel, M. Oppermann, S. Hutchinson, T. Witting, L. Brugnera, R. A. Ganeev, T. Azuma, K. Midorikawa, and J. P. Marangos
    Multiphoton Processes and Attosecond Physics, Springer Proceedings in Physics 125, 45 (2012).
  • "Anionic Polymerization Mechanism of Acrylonitrile Trimer Anions: Key Branching Point between Cyclization and Chain Propagation"
    Keijiro Ohshimo, Yoshiya Inokuchi, Takayuki Ebata, Koichi Ohno
    J. Phys. Chem. A, 116(30), 7937-7942 (2012).
  • "Ionization of naphthalene via the Rydberg states using a femtosecond 775 nm pulse"
    M. Goto, K. Hansen
    Chem. Phys. Lett. 522, 23-27 (2012).
  • "Selective production of the doubly excited 2p2 (1D) state in He-like Ar16+ ions by resonant coherent excitation"
    Y. Nakano, S. Suda, A. Hatakeyama, Y. Nakai, K. Komaki, E. Takada, T. Murakami, T. Azuma
    Phys. Rev. A 85, 020701(R) (2012).

2011

  • "Harmonic Generation in Mixed Gases and Its Application to Attosecond Physics"
    T. Kanai, E. J. Takahashi, Y. Nabekawa, K. Midorikawa
    Jpn. J. Optics, 40(3), 136-141 (2011). (in Japanese)
  • "Observation of intrashell radiative decay of Li-like uranium (2p3/2-2s1/2) using silicon drift detectors"
    Y. Nakano, Y. Takano, T. Shindo, T. Ikeda, Y. Kanai, S. Suda, T. Azuma, H. Bräuning, A. Bräuning-Demian, Th. Stöhlker, D. Dauvergne, Y. Yamazaki
    Phys. Scr. T144, 014010 (2011).
  • "Electron emission from fast heavy ions associated with resonant coherent excitation"
    S. Suda, Y. Nakano, K. Metoki, T. Azuma, Y. Takano, A. Hatakeyama, Y. Nakai, K. Komaki, E. Takada, T. Murakami
    Phys. Scr. T144, 014044 (2011).
  • "Microhydration of the methylene blue cation in an electrospray ion source"
    T. Sato, T. Majima, Kenro Hashimoto, Kouhei Hashimoto, Y. Zama, J. Matsumoto, H. Shiromaru, K. Okuno, H. Tanuma, T. Azuma
    Eur. Phys. J. D 63, 189-194 (2011).

2009

  • "Absolute Cooling Rates of Freely Decaying Fullerenes"
    A. E. K. Sundén, M. Goto, J. Matsumoto, H. Shiromaru, H. Tanuma, T. Azuma, J.U. Andersen, S. E. Canton, K. Hansen
    Phys. Rev. Lett. 103, 143001 (2009).
  • "Polarization Control in Three-dimensional Resonant Coherent Excitation"
    Y. Nakano, C. Kondo, A. Hatakeyama, Y. Nakai, T. Azuma, K. Komaki, Y. Yamazaki, E. Takada and T. Murakami
    Phys. Rev. Lett. 102, 085502 (2009).
  • "Resonant Coherent Excitation of Li-like Ar15+ Ions in a Thin Si Crystal"
    Y. Nakano, T. Inoue, T. Azuma, A. Hatakeyama, Y. Nakai, K. Komaki, Y. Yamazaki, E. Takada, T. Murakami
    J. Phys. Conf. 163, 012094 (2009).