Research theme for competitive and other funds (15):
2020 - 2025 Molecular-scale elucidation of the reaction elementary processes on the model dust surfaces by single-molecule surface spectroscopy
2021 - 2024 高感度・非破壊・表面吸着分子分析装置の開発で開拓するラジカル反応研究
2018 - 2021 Elucidation of ion-surface reactions on a interstellar dust surface: exploring their unknown roles in molecular evolution
2013 - 2018 分子雲における氷・有機物生成
2012 - 2017 星間塵表面での分子進化と新しい同位体分別機構
2013 - 2016 Quantitative investigation for ion-induced nucleation under non-equilibrium conditions of association/dissociation reactions: experimental approaches for elementary formation processes
2010 - 2013 Quantitative elucidation for ion induced nucleation in the atmosphere: Approach through the experiments for elementary processes
2012 - 2012 Elucidation of the mechanism of deuterium enrichment for ammonia molecule on the interstellar grain surface and use the enrichment fraction for temperature estimation of molecular clouds
2010 - 2012 Observation of surface structure of amorphous ice and role of amorphous ice in surface atomic reactions at low temperatures
2009 - 2011 Deuterium fractionation of water molecule via grain surface reactions at very low temperatures
2007 - 2008 Study for the energy partition process in H2 formation by the H-H recombination on interstellar grain surface
2007 - 2008 Role of cosmic-grain surface reactions in the deuterium fractionationof interstellar molecules
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Papers (58):
Atsuki Ishibashi, Hiroshi Hidaka, W. M. C. Sameera, Yasuhiro Oba, Naoki Watanabe. Determination of the Branching Ratio of CH3OH + OH Reaction on Water Ice Surface at 10 K. The Astrophysical Journal. 2024
Y. Nakai, W. M. C. Sameera, K. Furuya, H. Hidaka, A. Ishibashi, N. Watanabe. Methanol Formation through Reaction of Low-energy CH3 + Ions with an Amorphous Solid Water Surface at Low Temperature. The Astrophysical Journal. 2023
W. M. C. Sameera, Avon P. Jayaweera, Atsuki Ishibashi, Hiroshi Hidaka, Yasuhiro Oba, Naoki Watanabe. A systematic mechanistic survey on the reactions between OH radical and CH3OH on ice. Faraday Discussions. 2023. 245. 508-518
A. Miyazaki, M. Tsuge, H. Hidaka, Y. Nakai, N. Watanabe. Direct Determination of the Activation Energy for Diffusion of OH Radicals on Water Ice. The Astrophysical Journal Letters. 2022. 940. 1. L2-L2
W. M. C. Sameera, Bethmini Senevirathne, Thanh Nguyen, Yasuhiro Oba, Atsuki Ishibashi, Masashi Tsuge, Hiroshi Hidaka, Naoki Watanabe. Modelling the Radical Chemistry on Ice Surfaces: An Integrated Quantum Chemical and Experimental Approach. Frontiers in Astronomy and Space Sciences. 2022. 9
Ayane Miyazaki, Naoki Watanabe, W. M. C. Sameera, Tetsuya Hama, Hiroshi Hidaka, Akira Kouchi. Activation energy of OH-radical diffusion on water ice surface. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY. 2019. 258
Yukiko Yarnall, Hiroshi Hidaka, Yasuhiro Oba, Tetsuya Hama, Akira Kouchi, Naoki Watanabe. Reaction experiments on H exposure of solid methanol at low temperatures. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY. 2018. 255
Nakai Yoichi, Hidaka Hiroshi, Watanabe Naoki, Kojima Takao M. 27aCH-12 Current status for production of hydrated cluster ion using injected 4. Meeting abstracts of the Physical Society of Japan. 2014. 69. 1. 175-175
Hidaka Hiroshi, Nakai Yoichi, Kojima Takao M., Watanabe Naoki. 27aCH-13 Formation of water cluster ions by NO^+ injection into a drift tube filled with H_2O/buffer gases : effect of the metastable NO^+. Meeting abstracts of the Physical Society of Japan. 2014. 69. 1. 175-175