Researcher Database

HAMA Tetsuya
Institute of Low Temperature Science Frontier Ice and Snow Science
Assistant Professor

Researcher Profile and Settings

Affiliation

  • Institute of Low Temperature Science Frontier Ice and Snow Science

Job Title

    Assistant Professor

E-mail

  • hama@lowtem.hokudai.ac.jp

URL

Research Areas

  • Earth and planetary science / Geochemistry/Astrochemistry
  • Earth and planetary science / Space and upper atmospheric physics

Research Activities

Published Papers

Conference Activities & Talks

  • Nuclear-spin dynamics of interstellar water:ice and gas  [Invited]
    T. Hama
    Workshop to discuss the future of gas phase research  2018/09
  • The ortho-to-para ratio of water moleculesdesorbed from ice made from para-water monomers  [Invited]
    HAMA Tetsuya
    Hydride Chemistry: From Earth to Space workshop  2018/03
  • Nuclear spin isomers of water photodesorbed from ice at 10K towards understanding the origin of interstellar water  [Not invited]
    HAMA Tetsuya
    The 21st East Asian Workshop on Chemical Dynamics  2017/12
  • Tunneling Observed without Characteristic Kinetic Isotope Effects in Hydrogenation/deuteration of Solid Benzene  [Not invited]
    T. Hama, H. Ueta, A. Kouchi, N. Watanabe
    31st Symposium on Chemical Kinetics and Dynamics  2015/06  Hokkaido univ.,
  • Controlling Hydrogenation of Solid Benzene by Quantum Tunneling via Surface Structure  [Not invited]
    T. Hama, H. Ueta, A. Kouchi, N. Watanabe, H. Tachikawa
    Second Workshop on Experimental Laboratory Astrophysics  2015/02  Poipu, Kauai, Hawaii
  • Cyclohexane formation following Hydrogenation of amorphous solid benzene at 20 K  [Not invited]
    T. Hama, H. Ueta, A. Kouchi, N. Watanabe
    Faraday Discussion 168 Astrochemistry of Dust, Ice and Gas  2014/04  Leiden, The Netherlands
  • The Ortho-Para Ratio of H2O Desorbed from Ice: Implications for Cometary Coma  [Invited]
    T. Hama, A. Kouchi, N. Watanabe
    Goldschmidt2013  2013/08  Florence, Italy
  • Ortho-to-para ratio of water molecules thermally desorbed from ice  [Not invited]
    T. Hama
    Workshop on Ice and Water Films  2013/05  South Korea
  • Experimental measurements of nuclear-spin temperature of thermally desorbed water molecules from ice  [Not invited]
    T. Hama, N. Watanabe, A. Kouchi
    First Workshop on Experimental Laboratory Astrophysics  2013/02  Kauai, Hawaii
  • Laboratory measurements of spin temperature of water molecules from ice in thermal desorption  [Not invited]
    T. Hama, N. Watanabe, K. Kouchi
    Workshop on Interstellar Matter 2012  2012/10  Sapporo, Japan
  • Spin temperature of water molecules desorbed from ice produced by photolysis of a CH4O2 solid mixture and its implication in a cometary coma  [Not invited]
    T. Hama et al.
    Gordon Research Conference on Radiation Chemistry  2012/08  New Hampshire, USA
  • Nuclear-Spin Temperature of Water Molecules Thermally Desorbed from Ice: A Laboratory Study  [Not invited]
    T. Hama et al.
    Asteroid, Comets, Meteors (2012)  2012/05  Niigata, Japan
  • Spin temperature measurement of thermally desorbed water molecules from water ice prepared at 8K  [Not invited]
    T.Hama et al.
    18th Symposium on Atomic, Cluster, and Surface Physics (SASP2012)  2012/01  Alpe d'Huez, France
  • Diffusion mechanism of hydrogen and deuterium atoms and the spin temperature of molecules on the surface of water ice at 8-15 K  [Not invited]
    T.Hama et al.
    2011/05  Toledo, Spain
  • Spectroscopic approach to physicochemical processes on ices at low temperatures  [Invited]
    T.Hama et al.
    PacifiChem 2010  2010/12  Honolulu, U.S.A.
  • Photodesorptions of OH radicals and oxygen atoms following vacuum ultraviolet photodissociation of water ice  [Not invited]
    T. Hama et al.
    12th International Conference on the Physics and Chemistry of Ice12th International Conference on the Physics and Chemistry of Ice  2010/11  Sapporo, Japan
  • Formation of oxygen molecules following vacuum ultraviolet photodissociation of amorphous solid water  [Not invited]
    T. Hama et al.
    2010/09  Sapporo, Japan
  • A desorption mechanism of water following vacuum-ultraviolet irradiation of amorphous solid water  [Not invited]
    T. Hama et al.
    24th International Conference on Atomic Collisions in Solids  2010/09  Krakow, Poland
  • Desorption mechanisms of photoproducts following 157 nm irradiation of water ice  [Not invited]
    T. Hama et al.
    27th European Conference on Surface Science  2010/07  Groningen, the Netherlands
  • Translational and internal states of hydrogen molecules produces from the vacuum ultraviolet photodissociation of amorphous solid methanol  [Not invited]
    T. Hama et al.
    Workshop on Interstellar Matter 2008  2008/09  Sapporo,Japan
  • Energy partitioning in H2 formation by photolysis of amorphous water ice  [Not invited]
    T. Hama et al.
    The Molecular Universe: an International Meeting on the Physics and Chemistry of the Interstellar Medium  2008/05  Arcachon, France
  • Release of hot hydrogen molecules from vacuum ultraviolet photodissocation of water ice  [Not invited]
    H.-P. Loock, A. Yabushita, T. Hama, D. Iida, A. Yabushita, M. Kawasaki, N. Watanabe, M.N.R. Ashfold
    The 23rd Symposium On Chemical Physics  2007/11  University of Waterloo, UK
  • Diffusion mechanism of hydrogen and deuterium atoms and the spin temperature of molecules on the surface of water ice at 8-15 K  [Not invited]
    T.Hama et al.
    IAU Symposium280: The Molecular Universe  2011/05  Toledo, Spain
  • Formation of oxygen molecules following vacuum ultraviolet photodissociation of amorphous solid water  [Not invited]
    T. Hama et al.
    Workshop on Interstellar Matter 2010  2010/09  Sapporo, Japan

Awards & Honors

  • 2016   Young Scientist Award of the Atomic Collision Society of Japan
  • 2009   Best poster award in 25th Symposium on Chemical Kinetics and Dynamics
       Formation mechanisms of O (1D) from the 157 nm photoirradiation of amorphous water ice  
    Winner: HAMA Tetsuya


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