Achievements

Papers (peer-reviewed)

  • Nakamura, M., Yasui, M., Arakawa, M., “High-velocity oblique impact experiments on ice and snow spheres: Implications for the collisional evolution of icy planetesimals at different thermal evolution stages”, Icarus 413, #116010, 2024.
  • Toyoda, Y., Arakawa, M., Yasui, M., “Low-velocity impact experiments of porous ice balls simulating Saturn’s ring particles: Porosity dependence of restitution coefficients and the mechanism of inelastic collision”, Icarus 411, #115964, 2024.
  • Sasai, H., Arakawa, M., Yasui, M., Shirai, K., “Preservation of pristine materials under impact craters formed on comet nuclei”, Icarus 411, #115929, 2024.
  • Kurosaki, K., Hori, Y., Ogihara, M., Kunitomo, M., Evolution of a water-rich atmosphere formed by a giant impact on an Earth-sized planet, The Astrophysical Journal 957, 67, 2023.
  • Ogawa, K., Sakatani, N., Kadono, T., Arakawa, M., Honda, R., Wada, K., Shirai, K., Shimaki, Y., Ishibashi, K., Yokota, Y., Saiki, T., Imamura, H., Tsuda, Y., Nakazawa, S., Takagi, Y., Hayakawa, M., Yano, H., Okamoto, C., Iijima, Y., Morota, T., Kameda, S., Tatsumi, E., Cho, Y., Yoshioka, K., Sawada, H., Matsuoka, M., Yamada, M., Kouyama, T., Suzuki, H., Honda, C., Sugita, S., “Particle size distributions inside and around the artificial crater produced by the Hayabusa2 impact experiment on Ryugu”, Earth Planet Sci. 74, #153, 2022.
  • Kadono, T., Arakawa, M., Tsujido, S., Yasui, M., Hasegawa, S., Kurosawa, K., Shirai, K., Okamoto, C., Ogawa, K., Iijima, Y., Shimaki, Y., Wada, K.,”Effect of projectile shape and interior structure on crater size in strength regime”, Earth, Planets and Space 74, #132, 2022.
  • Okawa, H., Arakawa, M., Yasui, M., Hasegawa, S., Toda, M., Shirai, K., Yamamoto, Y.,”Effect of boulder size on ejecta velocity scaling law for cratering and its implication for formation of tiny asteroids”, Icarus 387, #115212, 2022.
  • Kikuchi, S., Watanabe, S., Wada, K., Saiki, T., Yabuta, H., Sugita, S., Abe, M., Arakawa, M., Cho, Y., Hayakawa, M., Hirata, N., Hirata, N., Honda, C., Honda, R., Ishibashi, K., Ishihara, Y., Iwata, T., Kadono, T., Kameda, S., Kitazato, K., Kouyama, T., Matsumoto, K., Matsuoka, M., Michikami, T., Mimasu, Y., Miura, A., Morota, T., Nakamura, T., Nakazawa, S., Namiki, N., Noguchi, R., Ono, G., Sakatani, N., Sawada, H., Senshu, H., Shimaki, Y., Shirai, K., Tachibana, S., Takei, Y., Tanaka, S., Tatsumi, E., Terui, F., Yamada, M., Yamamoto, Y., Yokota, Y., Yoshikawa, K., Yoshikawa, M., Tsuda, Y., “Site selection for the Hayabusa2 artificial cratering and subsurface material sampling on Ryugu”, Planet Space Sci. 219, #105519, 2022.
  • Ito, M., Tomioka, N., Uesugi, M., Yamaguchi, A., Shirai, N., Ohigashi, T., Liu, M -C., Greenwood, R.C., Kimura, M., Imae, N., Uesugi, K., Nakato, A., Yogata, K., Yuzawa, H., Kodama, Y., Tsuchiyama, A., Yasutake, M., Findlay, R., Franchi, I.A., Malley, J.A., McCain, K.A., Matsuda, N., McKeegan, K.D., Hirahara, K., Takeuchi, A., Sekimoto, S., Sakurai, I., Okada, I., Karouji, Y., Arakawa, M., Fujii, A., Fujimoto, M., Hayakawa, M., Hirata, N., Hirata, N., Honda, R., Honda, C., Hosoda, S., Iijima, Y., Ikeda, H., Ishiguro, M., Ishihara, Y., Iwata, T., Kawahara, K., Kikuchi, S., Kitazato, K., Matsumoto, K., Matsuoka, M., Michikami, T., Mimasu, Y., Miura, A., Mori, O., Morota, T., Nakazawa, S., Namiki, N., Noda, H., Noguchi, R., Ogawa, N., Ogawa, K., Okada, T., Okamoto, C.,  Ono, G., Ozaki, M., Saiki, T., Sakatani, N., Sawada, H., Senshu, H., Shimaki, Y., Shirai, K., Sugita, S., Takei, Y., Takeuchi, H., Tanaka, S., Tatsumi, E., Terui, F., Tsukizaki, R., Wada, K., Yamada, M., Yamada, T., Yamamoto, Y., Yano, H., Yokota, Y., Yoshihara, K., Yoshikawa, M., Yoshikawa, K., Fukai, R., Furuya, S., Hatakeda, K., Hayashi, T., Hitomi, Y., Kumagai, K., Miyazaki, A., Nishimura, M., Soejima, H., Iwamae, A., Yamamoto, D., Yoshitake, M., Yada, T., Abe, M., Usui, T., Watanabe, S., Tsuda, Y., “A pristine record of outer Solar System materials from asteroid Ryugu’s returned sample”, Nature Astronon. 6, 1163–1171, 2022.
  • Yasui, M., Arakawa, M., Okawa, H., Hasegawa, S., “Cratering experiments on granular targets with a variety of particle sizes: Implications for craters on rubble-pile asteroids”, J. Geophys. Res. –Planets 127, e2021JE007172, 2022.
  • Kadono, T., Ogawa, K., Shirai, K., Arakawa, M., Kurosawa, K., Okamoto, T., ; Matsui, T., Hasegawa, S., Suzuki, A.I., Kobayashi, H., “Experimental Investigation of Visible-Light and X-ray Emissions during Rock and Mineral Fracture: Role of Electrons Traveling between Fracture Surfaces”, Minerals 12, 778, 2022.
  • Arakawa, M., “PLANETARY SCIENCE A weak and active surface of Bennu”, Nature Geoscience 5, 430-431, 2022.
  • Tachibana, S., Sawada, H., Okazaki, R., Takano, Y., Sakamoto, K., Miura, Y.N., Okamoto, C., Yano, H., Yamanouchi, S., Michel, P., Zhang, Y., Schwartz, S., Thuillet, F., Yurimoto, H., Nakamura, T., Noguchi, T., Yabuta, H., Naraoka, H., Tsuchiyama, A., Imae, N., Kurosawa, K., Nakamura, A.M, Ogawa, K., Sugita, S., Morota, T., Honda, R., Kameda, S., Tatsumi, E., Cho, Y., Yoshioka, K., Yokota, Y., Hayakawa, M., Matsuoka, M., Sakatani, N., Yamada, M., Kouyama, T., Suzuki, H., Honda, C., Yoshimitsu, T., Kubota, T., Demura, H., Yada, T., Nishimura, M., Yogata, K., Nakato, A., Yoshitake, M., Suzuki, A.I., Furuya, S., Hatakeda, K., Miyazaki, A., Kumagai, K., Okada, T., Abe, M., Usui, T., Ireland, T.R., Fujimoto, M., Yamada, T., Arakawa, M., Connolly, H.C., Fujii, A., Hasegawa, S., Hirata, N., Hirose, C., Hosoda, S., Iijima, Y., Ikeda, H., Ishiguro, M., Ishihara, Y., Iwata, T., Kikuchi, S., Kitazato, K., Lauretta, D.S., Libourel, G., Marty, B., Matsumoto, K., Michikami, T., Mimasu, Y., Miura, A., Mori, O., Nakamura-Messenger, K., Namiki, N., Nguyen, A.N., Nittler, L.R., Noda, H., Noguchi, R., Ogawa, N., Ono, G., Ozaki, M., Senshu, H., Shimada, T., Shimaki, Y., Shirai, K., Soldini, S., Takahashi, T., Takei, Y., Takeuchi, H., Tsukizaki, R., Wada, K., Yamamoto, Y., Yoshikawa, K., Yumoto, K., Zolensky, M.E., Nakazawa, S., Terui, F., Tanaka, S., Saiki, T., Yoshikawa, M., Watanabe, S., Tsuda, Y., “Pebbles and sand on asteroid (162173) Ryugu: In situ observation and particles returned to Earth”, Science 375, 1011-1016, 2022.
  • Pilorget, C., Okada, T., Hamm, V., Brunetto, R., Yada, T., Loizeau, D., Riu, L., Usui, T., Moussi-Soffys, A., Hatakeda, K., Nakato, A., Yogata, K., Abe, M., Aleon-Toppani, A., Carter, J., Chaigneau, M., Crane, B., Gondet, B., Kumagai, K., Langevin, Y., Lantz, C., Le Pivert-Jolivet, T., Lequertier, G., Lourit, L., Miyazaki, A., Nishimura, M., Poulet, F., Arakawa, M., Hirata, N., Kitazato, K., Nakazawa, S., Namiki, N., Saiki, T., Sugita, S., Tachibana, S., Tanaka, S., Yoshikawa, M., Tsuda, Y., Watanabe, S., Bibring, J. -P., “First compositional analysis of Ryugu samples by the MicrOmega hyperspectral microscope”, Nature Astronon. 6, 221-225, 2022.
  • Yada, T., Abe, M., Okada, T., Nagato, A., Yogata, K., Miyazaki, A., Hatakeda, K., Kumagai, K., Nishimura, M., Hitomi, Y., Soejima, H., Yoshitake, M., Iwamae, A., Furuya, S., Uesugi, M., Karouji, Y., Usui, T., Hayashi, T., Yamamoto, D., Fukai, R., Sugita, S., Cho, Y., Yumoto, K., Yabe, Y., Bibring, J. -P., Pilorget, C., Hamm, V., Brunetto, R., Riu, L., Lourit, L., Loizeau, D., Lequertier, G., Moussi-Soffys, A., Tachibana, S., Sawada, H., Okazaki, R., Takano, Y., Sakamoto, K., Miura, Y. N., Yano, H., Ireland, T. R., Yamada, T., Fujimoto, M., Kitazato, K., Namiki, N., Arakawa, M., Hirata, N., Yurimoto, H., Nakamura, T., Noguchi, T., Yabuta, H., Naraoka, H., Ito, M., Nakamura, E., Uesugi, K., Kobayashi, K., Michikami, T., Kikuchi, H., Hirata, N., Ishihara, Y., Matsumoto, K., Noda, H., Noguchi, R., Shimaki, Y., Shirai, K., Ogawa, K., Wada, K., Senshu, H., Yamamoto, Y., Morota, T., Honda, R., Honda, C., Yokota, Y., Matsuoka, M., Sakatani, N., Tatsumi, E., Miura, A., Yamada, M., Fujii, A., Hirose, C., Hosoda, S., Ikeda, H., Iwata, T., Kikuchi, S., Mimasu, Y., Mori, O., Ogawa, N., Ono, G., Shimada, T., Soldini, S., Takahashi, T., Takei, Y., Takeuchi, H., Tsukizaki, R., Yoshikawa, K., Terui, F., Nakazawa, S., Tanaka, S., Saiki, T., Yoshikawa, M., Watanabe, S., Tsuda, Y., “Preliminary analysis of the Hayabusa2 samples returned from C-type asteroid Ryugu”, Nature Astron. 6, 214–220, 2022.
  • Arakawa, M., Okazaki, M., Nakamura, M., Jutzi, M., Yasui, M., and Hasegawa, S., “Dispersion and shattering strength of rocky and frozen planetesimals studied by laboratory experiments and numerical simulations”, Icarus 373, 114777, 2022.
  • Shimaki, Y., Arakawa, M., “Tensile strength and elastic properties of fine-grained ice aggregates: Implications for crater formation on small icy bodies”, Icarus 369, #114646, 2021.
  • Sugimoto, C., Tatsumi, E., Cho, Y., Morota, T., Honda, R., Kameda, S., Yokota, Y., Yumoto, K., Aoki, M., DellaGiustina, D. N., Michikami, T., Hiroi, T., Domingue, D. L., Michel, P., Schroeder, S. E., Nakamura, T., Yamada, M., Sakatani, N., Kouyama, T., Honda, C., Hayakawa, M., Matsuoka, M., Suzuki, H., Yoshioka, K., Ogawa, K., Sawada, H., Arakawa, M., Saiki, T., Imamura, H., Takagi, Y., Yano, H., Shirai, K., Okamoto, C., Tsuda, Y., Nakazawa, S., Iijima, Y., Sugita, S., “High-resolution observations of bright boulders on asteroid Ryugu: 2. Spectral properties”, Icarus 369, #114591, 2021.
  • Sugimoto, C., Tatsumi, E., Cho, Y., Morota, T., Honda, R., Kameda, S., Yokota, Y., Yumoto, K., Aoki, M., DellaGiustina, D. N., Michikami, T., Hiroi, T., Domingue, D. L., Michel, P., Schroeder, S. E., Nakamura, T., Yamada, M., Sakatani, N., Kouyama, T., Honda, C., Hayakawa, M., Matsuoka, M., Suzuki, H., Yoshioka, K., Ogawa, K., Sawada, H., Arakawa, M., Saiki, T., Imamura, H., Takagi, Y., Yano, H., Shirai, K., Okamoto, C., Tsuda, Y., Nakazawa, S., Iijima, Y., Sugita, S., “High-resolution observations of bright boulders on asteroid Ryugu: 1. Size frequency distribution and morphology”, Icarus 369, #114529, 2021.
  • Honda, R., Arakawa, M., Shimaki, Y., Shirai, K., Yokota, Y., Kadono, T., Wada, K., Ogawa, K. Ishibashi, K. Sakatani, N., Nakazawa, S., Yasui, M., Morota, T., Kameda, S., Tatsumi, E., Yamada, M., Kouyama, T., Cho, Y., Matsuoka, M., Suzuki, H., Honda, C., Hayakawa, M., Yoshioka, K., Hirata, N., Hirata, N., Sawada, H., Sugita, S., Saiki, T., Imamura, H., Takagi, Y., Yano, H., Okamoto, C., Tsuda, Y., Iijima, Y., “Resurfacing processes on asteroid (162173) Ryugu caused by an artificial impact of Hayabusa2’s Small Carry-on Impactor”, Icarus 366, 114530, 2021.
  • Sakatani, N., Tanaka, S., Okada, T., Fukuhara, T., Riu, L., Sugita, S., Honda, R., Morota, T., Kameda, S., Yokota, Y., Tatsumi, E., Yumoto, K., Hirata, N., Miura, A., Kouyama, T., Senshu, H., Shimaki, Y., Arai, T., Takita, J., Demura, H., Sekiguchi, T., Müller, T. G., Hagermann, A., Biele, J., Grott, M., Hamm, M., Delbo, M., Neumann, W., Taguchi, M., Ogawa, Y., Matsunaga, T., Wada, T., Hasegawa, S., Helbert, J., Hirata, N., Noguchi, R., Yamada, M., Suzuki, H., Honda, C., Ogawa, K., Hayakawa, M., Yoshioka, K., Matsuoka, M., Cho, Y., Sawada, H., Kitazato, K., Iwata, T., Abe, M., Ohtake, M., Matsuura, S., Matsumoto, K., Noda, H., Ishihara, Y., Yamamoto, K., Higuchi, A., Namiki, N., Ono, G., Saiki, T., Imamura, H., Takagi, Y., Yano, H., Shirai, K., Okamoto, C., Nakazawa, S., Iijima, Y., Arakawa, M., Wada, K., Kadono, T., Ishibashi, K., Terui, F., Kikuchi, S., Yamaguchi, T., Ogawa, N., Mimasu, Y., Yoshikawa, K., Takahashi, T., Takei, Y., Fujii, A., Takeuchi, H., Yamamoto, Y., Hirose, C., Hosoda, S., Mori, O., Shimada, T., Soldini, S., Tsukizaki, R., Ozaki, M., Tachibana, S., Ikeda, H., Ishiguro, M., Yabuta, H., Yoshikawa, M., Watanabe, S., Tsuda, Y., “Anomalously porous boulders on (162173) Ryugu as primordial materials from its parent body”, Nature Astron. 5(8), 766-774, 2021.
  • Yasui, M., Tazawa, T., Hashimoto, R., Arakawa, M., Ogawa, K., Impacts may provide heat for aqueous alteration and organic solid formation on asteroid parent bodies, Commun. Earth Environ. 2, 95, 2021.
  • Kitazato, K., Milliken, R. E., Iwata, T., Abe, M., Ohtake, M., Matsuura, S., Takagi, Y., Nakamura, T., Hiroi, T., Matsuoka, M., Riu, L., Nakauchi, Y., Tsumura, K., Arai, T., Senshu, H., Hirata, N., Barucci, M. A., Brunetto, R., Pilorget, C., Poulet, F., Bibring, J.-P., Domingue, D. L., Vilas, F., Takir, D., Palomba, E., Galiano, A., Perna, D., Osawa, T., Komatsu, M., Nakato, A., Arai, T., Takato, N., Matsunaga, T., Arakawa, M., Saiki, T., Wada, K., Kadono, T., Imamura, H., Yano, H., Shirai, K., Hayakawa, M., Okamoto, C., Sawada, H., Ogawa, K., Iijima, Y., Sugita, S., Honda, R., Morota, T.. Kameda, S., Tatsumi, E., Cho, Y., Yoshioka, K., Yokota, Y., Sakatani, N., Yamada, M., Kouyama, T., Suzuki, H., Honda, C., Namiki, N., Mizuno, T., Matsumoto, K., Noda, H., Ishihara, Y., Yamada, R., Yamamoto, K., Yoshida, F., Abe, S., Higuchi, A., Yamamoto, Y., Okada, T., Shimaki, Y., Noguchi, R., Miura, A., Hirata, N., Tachibana, S., Yabuta, H., Ishiguro, M., Ikeda, H., Takeuchi, H., Shimada, T., Mori, O., Hosoda, S., Tsukizaki, R., Soldini, S., Ozaki, M., Terui, F., Ogawa, N., Mimasu, Y., Ono, G., Yoshikawa, K., Hirose, C., Fujii, A., Takahashi, T., Kikuchi, S., Takei, Y., Yamaguchi, T., Nakazawa, S., Tanaka, S., Yoshikawa, M., Watanabe, S., Tsuda, Y., “Thermally altered subsurface material of asteroid (162173) Ryugu”, Nature Astron. 5(3), 246-250, 2021.
  • Wada, K., Ishibashi, K., Kimura, H., Arakawa, M., Sawada, H., Ogawa, K., Shirai, K., Honda, R., Iijima, Y., Kadono, T., Sakatani, N., Mimasu, Y., Toda, T., Shimaki, Y., Nakazawa, S., Hayakawa, H., Saiki, T., Takagi, Y., Imamura, H., Okamoto, C., Hayakawa, M., Hirata, N., Yano, H., “Size of particles ejected from an artificial impact crater on asteroid 162173 Ryugu”, Astron. Astrophys. 647, A43, 2021.
  • Tatsumi, E., Sugimoto, C., Riu, L., Sugita, S., Nakamura, T., Hiroi, T., Morota, T., Popescu, M., Michikami, T., Kitazato, K., Matsuoka, M., Kameda, S., Honda, R., Yamada, M., Sakatani, N., Kouyama, T., Yokota, Y., Honda, C., Suzuki, H., Cho, Y., Ogawa, K., Hayakawa, M., Sawada, H., Yoshioka, K., Pilorget, C., Ishida, M., Domingue, D., Hirata, N., Sasaki, S., de León, J., Barucci, M. A., Michel, P., Suemitsu, M., Saiki, T., Tanaka, S., Terui, F., Nakazawa, S., Kikuchi, S., Yamaguchi, T., Ogawa, N., Ono, G., Mimasu, Y., Yoshikawa, K., Takahashi, T., Takei, Y., Fujii, A., Yamamoto, Y., Okada, T., Hirose, C., Hosoda, S., Mori, O., Shimada, T., Soldini, S., Tsukizaki, R., Mizuno, T., Iwata, T., Yano, H., Ozaki, M., Abe, M., Ohtake, M., Namiki, N., Tachibana, S., Arakawa, M., Ikeda, H., Ishiguro, M., Wada, K., Yabuta, H., Takeuchi, H., Shimaki, Y., Shirai, K., Hirata, N., Iijima, Y., Tsuda, Y., Watanabe, S., Yoshikawa, M., “Collisional history of Ryugu’s parent body from bright surface boulders”, Nature Astron. 5(1), 39-45, 2021.
  • Saiki, T., Mimasu, Y., Takei, Y., Yamada, M., Sawada, H., Ogawa, K., Ogawa, N., Takeuchi, H., Miura, A., Shimaki, Y., Wada, K., Honda, R., Yokota, Y., Shirai, K., Sano, N., Ohtsuka, H., Ono, G., Yoshikawa, K., Kikuchi, S., Hirose, C., Yamamoto, Y., Iwata, T., Arakawa, M., Sugita, S., Tanaka, S., Terui, F., Yoshikawa, M., Nakazawa, S., Watanabe, S., Tsuda, Y., “Motion reconstruction of the small carry-on impactor aboard Hayabusa2”, Astrodynamics 4(4), 289-308, 2020.
  • Saiki, T., Takei, Y., Mimasu, Y., Sawada, H., Ogawa, N., Ono, G., Yoshikawa, K., Terui, F., Arakawa, M., Sugita, S., Watanabe, S., Yoshikawa, M., Nakazawa, S., Tsuda, Y., “Hayabusa2’s kinetic impact experiment: Operational planning and results”, Acta Astron. 175, 362-374, 2020.
  • Kadono, T., Arakawa, M., Honda, R., Ishibashi, K., Ogawa, K., Sakatani, N., Sawada, H., Shimaki, Y., Shirai, K., Sugita, S., Wada, K., “Impact experiment on asteroid (162173) Ryugu: Structure beneath the impact point revealed by in situ observations of the ejecta curtain”, Astrophys. J. Lett. 899(1), L22, 2020.
  • Morota, T., Sugita, S., Cho, Y., Kanamaru, M., Tatsumi, E., Sakatani, N., Honda, R., Hirata, N., Kikuchi, H., Yamada, M., Yokota, Y., Kameda, S., Matsuoka, M., Sawada, H., Honda, C., Kouyama, T., Ogawa, K., Suzuki, H., Yoshioka, K., Hayakawa, M., Hirata, N., Hirabayashi, M., Miyamoto, H., Michikami, T., Hiroi, T., Hemmi, R., Barnouin, O. S., Ernst, C. M., Kitazato, K., Nakamura, T., Riu, L., Senshu, H., Kobayashi, H., Sasaki, S., Komatsu, G., Tanabe, N., Fujii, Y., Irie, T., Suemitsu, M., Takaki, N., Sugimoto, C., Yumoto, K., Ishida, M., Kato, H., Moroi, K., Domingue, D., Michel, P., Pilorget, C., Iwata, T., Abe, M., Ohtake, M., Nakauchi, Y., Tsumura, K., Yabuta, H., Ishihara, Y., Noguchi, R., Matsumoto, K., Miura, A., Namiki, N., Tachibana, S., Arakawa, M., Ikeda, H., Wada, K., Mizuno, T., Hirose, C., Hosoda, S., Mori, O., Shimada, T., Soldini, S., Tsukizaki, R., Yano, H., Ozaki, M., Takeuchi, H., Yamamoto, Y., Okada, T., Shimaki, Y., Shirai, K., Iijima, Y., Noda, H., Kikuchi, S., Yamaguchi, T., Ogawa, N., Ono, G., Mimasu, Y., Yoshikawa, K., Takahashi, T., Takei, Y., Fujii, A., Nakazawa, S., Terui, F., Tanaka, S., Yoshikawa, M., Saiki, T., Watanabe, S., Tsuda, Y., “Sample collection from asteroid (162173) Ryugu by Hayabusa2: Implications for surface evolution”, Science 368(6491), 654-659, 2020.
  • Arakawa, M., Saiki, T., Wada, K., Ogawa, K., Kadono, T., Shirai, K., Sawada, H., Ishibashi, K., Honda, R., Sakatani, N., Iijima, Y., Okamoto, C., Yano, H., Takagi, Y., Hayakawa, M., Michel, P., Jutzi, M., Shimaki, Y., Kimura, S., Mimasu, Y., Toda, T., Imamura, H., Nakazawa, S., Hayakawa, H., Sugita, S., Morota, T., Kameda, S., Tatsumi, E., Cho, Y., Yoshioka, K., Yokota, Y., Matsuoka, M., Yamada, M., Kouyama, T., Honda, C., Tsuda, Y., Watanabe, S., Yoshikawa, M., Tanaka, S., Terui, F., Kikuchi, S., Yamaguchi, T., Ogawa, N., Ono, G., Yoshikawa, K., Takahashi, T., Takei, Y., Fujii, A., Takeuchi, H., Yamamoto, Y., Okada, T., Hirose, C., Hosoda, S., Mori, O., Shimada, T., Soldini, S., Tsukizaki, R., Iwata, T., Ozaki, M., Abe, M., Namiki, N., Kitazato, K., Tachibana, S., Ikeda, H., Hirata, N., Hirata, N., Noguchi, R., Miura, A., “An artificial impact on the asteroid (162173) Ryugu formed a crater in the gravity-dominated regime”, Science 368, 67–71, 2020.
  • Okada, T., Fukuhara, T., Tanaka, S., Taguchi, M., Arai, T., Senshu, H., Sakatani, N., Shimaki, Y., Demura, H., Ogawa, Y., Suko, K., Sekiguchi, T., Kouyama, T., Takita, J., Matsunaga, T., Imamura, T., Wada, T., Hasegawa, S., Helbert, J., Mueller, T. G., Hagermann, A., Biele, J., Grott, M., Hamm, M., Delbo, M., Hirata, N., Hirata, N., Yamamoto, Y., Sugita, S., Namiki, N., Kitazato, K., Arakawa, M., Tachibana, S., Ikeda, H., Ishiguro, M., Wada, K., Honda, C., Honda, R., Ishihara, Y., Matsumoto, K., Matsuoka, M., Michikami, T., Miura, A., Morota, T., Noda, H., Noguchi, R., Ogawa, K., Shirai, K., Tatsumi, E., Yabuta, H., Yokota, Y., Yamada, M., Abe, M., Hayakawa, M., Iwata, T., Ozaki, M., Yano, H., Hosoda, S., Mori, O., Sawada, H., Shimada, T., Takeuchi, H., Tsukizaki, R., Fujii, A., Hirose, C., Kikuchi, S., Mimasu, Y., Ogawa, N., Ono, G., Takahashi, T., Takei, Y., Yamaguchi, T., Yoshikawa, K., Terui, F., Saiki, T., Nakazawa, S., Yoshikawa, M., Watanabe, S., Tsuda, Y., “Highly porous nature of a primitive asteroid revealed by thermal imaging”, Nature 579(7800), 518-522, 2020.
  • Matsue, K., Yasui, M., Arakawa, M., Hasegawa, S., “Measurements of seismic waves induced by high-velocity impacts: Implications for seismic shaking surrounding impact craters on asteroids”, Icarus 338, 113520, 2020.
  • Yasui, M., Arakawa, M., Yoshida, Y., Matsue K., Takano, S., “Effects of oblique impacts on the impact strength of porous gypsum and glass spheres: Implications for the collisional disruption of planetesimals and thermal evolution”, Icarus 335, 113414, 2020.
  • Sakatani, N., Ogawa, K., Arakawa, M., Iijima, Y., Honda, R., Tanaka, S., “Thermal conductivity model for powdered materials under vacuum based on experimental studies”, AIP Advances 7, 015310, 2017.
  • Arakawa, M., Wada, K., Saiki, T., Kadono, T., Takagi, Y., Shirai, K., Okamoto, C., Yano, H., Hayakawa, M., Nakazawa, S., Hirata, N., Kobayashi, M., Michel, P., Jutzi, M., Imamura, H., Ogawa, K., Sakatani, N., Iijima, Y., Honda, R., Ishibashi, K., Hayakawa, H., Sawada, H., “Scientific objectives of Small Carry-on Impactor (SCI) and Deployable Camera 3 Digital (DCAM3-D): Observation of an ejecta curtain and a crater formed on the surface of Ryugu by an artificial high-velocity impact”, Space Sci. Rev. 208, 187-212, 2017.
  • Ishibashi, K., Shirai, K., Ogawa, K., Wada, K., Honda, R., Sakatani, N., Arakawa, M., Ikeda, Y., “Performance of Hayabusa2 DCAM3-D camera for short-range imaging of SCI and ejecta curtain generated from the artificial impact crater formed on asteroid 162137 Ryugu (1999 JU3)”, Space Sci. Rev. 208, 213-238, 2017.
  • Ogawa, K., Shirai, K., Sawada, H., Arakawa, M., Honda, R., Wada, K., Ishibashi, K., Iijima, Y., Sakatani, N., Nakazawa, S., Hayakawa, H., “System configuration and operation plan of Hayabusa2 DCAM3-D for scientific observation in SCI impact experiment”, Space Sci. Rev. 208, 125-142, 2017.
  • Yasui, M., Schulson, E. M., Renshaw, C. E., “Experimental studies on mechanical properties and ductile-to-brittle transition of ice-silica mixtures: Young’s modulus, compressive strength and fracture toughness”, J. Geophys. Res. -Solid Earth 122 (8), 6014-6030, 2017.
  • Sakatani, N., Ogawa, K., Iijima, Y., Arakawa, M., Tanaka, S., “Compressional stress effect on thermal conductivity of powdered materials: Measurements and their application to lunar regolith”, Icarus 267, 1-11, 2016.
  • Tsujido, S., Arakawa, M., Suzuki, A. I., Yasui, M., “Ejecta velocity distribution of impact craters formed on quartz sand: Effect of projectile density on crater scaling law”, Icarus 262, 79-92, 2015.
  • Yasui, M., Matsumoto, E., Arakawa, M., “Experimental study on impact-induced seismic wave propagation through granular materials”, Icarus 260, 320-331, 2015.
  • Kadono, T., Suzuki, A. I., Wada, K., Mitani, N. K., Yamamoto, S., Arakawa, M., Sugita, S., Haruyama, J., Nakamura, A. M., “Crater-ray formation by impact-induced ejecta particles”, Icarus 250, 215-221, 2015.
  • Leliwa-Kopystynski, J., Arakawa, M., “Impacts experiments onto heterogeneous targets simulating impact breccia: Implications for impact strength of asteroids and formation of the asteroid families”, Icarus 235, 147-155, 2014.
  • Yasui, M., Hayama, R., Arakawa, M., “Impact strength of small icy bodies that experienced multiple collisions”, Icarus 233, 293-305, 2014. 
  • Tachibana, S., Abe, M., Arakawa, M., Fujimoto, M., Iijima, Y., Ishiguro, M., Kitazato, K., Kobayashi, N., Namiki, N., Okada, T., Okazaki, R., Sawada, H., Sugita, S., Takano, Y., Tanaka, S., Watanabe, S., Yoshikawa, M., Kuninaka, H., the Hayabusa2 Project Team, “Hayabusa2: Scientific importance of samples returned from C-type near-Earth asteroid (162173) 1999JU3”, Geochem. J. 48, 571-587, 2014.
  • Suzuki, A., Nakamura, A. M., Kadono, T.., Wada, K., Yamamoto, S., Arakawa, M., “A formation mechanism for concentric ridges in ejecta surrounding impact craters in a layer of fine glass beads”, Icarus 225, 298-307, 2013.
  • Yasui, M., Arakawa, M., Hasegawa, S., Fujita, Y., Kadono, T., “In situ X-ray observation of projectile penetration processes and crater cavity growth in porous gypsum target analogous to low-density asteroids”, Icarus 221, 646-657, 2012.
  • Shimaki, Y., Arakawa, M., “Low-velocity collisions between centimeter-sized snowballs: Porosity dependence of coefficient of restitution for ice aggregates analogues in the solar system”, Icarus 221, 310-319, 2012.
  • Suzuki, A., Hakura, S., Hamura, T., Hattori, M., Hayama, R., Ikeda, T., Kusuno, H., Kuwahara, H., Muto, Y., Nagaki, K., Niimi, R., Ogata, Y., Okamoto, T., Sasamori, T., Sekigawa, C., Yoshihara, T., Hasegawa, S., Kurosawa, K., Kadono, T., Nakamura, A. M., Sugita, S., Arakawa, M., “Laboratory experiments on crater scaling-law for sedimentary rocks in the strength regime”, J. Geophys. Res. –Planets 117, E08012, doi:10.1029/2012JE 004064, 2012.
  • Cho, Y., Morota, T., Haruyama, J., Yasui, M., Hirata, N., Sugita, S., “Young mare volcanism in the Orientale region contemporary with the Procellarum KREEP Terrane (PKT) volcanism peak period ~2 billion years ago”, Geophys. Res. Lett. 39, L11203, doi:10.1029/2012GL051838, 2012.
  • Uchiyama, Y., Arakawa, M., Okamoto, C., Yasui, M., “Restitution coefficients and sticking velocities of a chondrule analogue colliding on a porous silica layer at impact velocities between 0.1 and 80 m s^-1”, Icarus 219, 336-344, 2012.
  • Dohi, K., Arakawa, M., Okamoto, C., Hasegawa, S., Yasui, M., The effect of a thin weak layer covering a basalt block on the impact cratering process, Icarus 218, 751-759, 2012.
  • Shimaki, Y., Arakawa, M., “Experimental study on collisional disruption of highly porous icy bodies”, Icarus 218, 737-750, 2012.
  • Yasui, M., Arakawa, M., “Flow law of ice-silica mixtures and the effects of silica content and porosity”, in Physics and Chemistry of Ice (Hokkaido University Press, Japan), 387-395, 2011. 
  • Arakawa, M., Yasui, M., “Measurements of post shock temperature deposited in ice impact crater”, in Physics and Chemistry of Ice (Hokkaido University Press, Japan), 339-344, 2011.
  • Shimaki, Y., Arakawa, M., Yasui, M., “Impact experiments on sintered snowballs”, in Physics and Chemistry of Ice (Hokkaido University Press, Japan), 379-386, 2011. 
  • Arakawa, M., Yasui, M., “Impact crater on sintered snow surface simulating porous icy bodies”, Icarus 216, 1-9, 2011. 
  • Yasui, M., Arakawa, M., “Impact experiments of porous gypsum-glass bead mixtures simulating parent bodies of ordinary chondrites: Implications for re-accumulation processes related to rubble-pile formation”, Icarus 214, 754-765, 2011. 

Presentations (International only)

  • Sasai, H.*, Arakawa, M., Yasui, M., Hasegawa, S., High-velocity oblique impact may form a hot spring on a crater floor of icy bodies, 55th Lunar and Planetary Science Conference 2024, The Woodlands, TX, March 11-15, 2024. (oral)
  • Kurosaki, K.*, Arakawa, M., Reaccretion process after the catastrophic disruption event on a differentiated asteroid, 55th Lunar and Planetary Science Conference 2024, The Woodlands, TX, March 11-15, 2024. (poster)
  • Sugita, S*., Sugimoto, C., Aoki, M., Takaki, N., Yumoto, K., Morota, T., Cho, Y., Tatsumi, E., Kameda, S., Honda, R., Sakatani, N., Yokota, Y., Kouyama, T., Yamada, M., Matsuoka, M., Suzuki, H., Honda, C., Ogawa, K., Yoshioka, K., Sawada, H., Saiki, T., Imamura, H., Yano, H., Takagi, Y., Shirai, K., Tsuda, Y., Nakazawa, S., Arakawa, M., Intrinsic spectral variation among C-type bright boulders on Ryugu revealed from observations of the artificial crater, 55th Lunar and Planetary Science Conference 2024, The Woodlands, TX, March 11-15, 2024. (oral)
  • Kakinoki, R.*, Arakawa, M., Yasui, M., Hasegawa, S., Yamamoto, Y., Impact Experiments on Cohesive Layer Covered with Regolith Layer: Effects of Granular Layer Thickness and Bedrock Strength on Crater Morphology, American Geophysical Union (AGU) Fall Meeting 2023, hybrid (San Francisco/virtual), December 11–15, 2023. (poster)
  • Toyoshima, H.*, Arakawa, M., Yasui, M., Sasai, H., Hasegawa, S., Impact Cratering Experiments on Wet Sand: Crater Formation Mechanism of Secondary Craters on Mars, American Geophysical Union (AGU) Fall Meeting 2023, hybrid (San Francisco/virtual), December 11–15, 2023. (poster)
  • Yasui, M.*, Nakamura, M., Ishii, S., Arakawa, M., Impact experiments on ice spherical targets simulating icy planetesimals at various thermal evolution stages, American Geophysical Union (AGU) Fall Meeting 2023, hybrid (San Francisco/virtual), December 11–15, 2023. (poster)
  • Sasai, H.*, Arakawa, M., Yasui, M., Shirai, K., Effects of Impact Heating on Porous Icy Bodies Like Comets, 15th International Conference on the Physics and Chemistry of Ice, Hokkaido University, September 3–8, 2023. (oral)
  • Ishii, S.*, Yasui, M., Arakawa, M., Toyoda, Y., Experimental study on collisional disruption of differentiated icy planetesimals, 15th International Conference on the Physics and Chemistry of Ice, Hokkaido University, September 3–8, 2023. (poster)
  • Yasui, M.*, Nakamura, M., Arakawa, M., Impact strength of porous icy bodies in high-velocity oblique collision: Implication for catastrophic disruption of Kuiper belt objects in outer solar system, 15th International Conference on the Physics and Chemistry of Ice, Hokkaido University, September 3–8, 2023. (poster)
  • Arakawa, M.*, Exploration-Based Reconstruction of Planetesimals, Protostars and Planets VII, Kyoto International Conference Center, April 10–15, 2023. (oral)
  • Kurosaki, K*, A Crisis on the Standard Scenario of Planet Formation: Catastrophic Atmospheric Erosion of super-Earths in Giant Impact Events, Protostars and Planets VII, Kyoto International Conference Center, April 10–15, 2023. (poster)
  • Yamamoto, Y.*, Arakawa, M., Yasui, M., Hasegawa, S., Yokota, Y., Impact experiments for crater size scaling laws on rubble-pike asteroids, 54th Lunar and Planetary Science Conference 2023, hybrid (The Woodlands, TX/virtual), March 13-17, 2023. (oral)
  • Kurosaki, K.*, Arakawa, M., Collisional stripping of the rock mantle on the differentiated asteroid, 54th Lunar and Planetary Science Conference 2023, hybrid (The Woodlands, TX/virtual), March 13-17, 2023. (poster)
  • Toyoda, Y.*, Arakawa, M., Yasui, M., Low-velocity impact experiments of porous ice ball simulating Saturn’s ring particle: Porosity dependence of restitution coefficients and the mechanism of inelastic collision, 54th Lunar and Planetary Science Conference 2023, hybrid (The Woodlands, TX/virtual), March 13-17, 2023. (poster)
  • Yokota, Y.*, Arakawa, M., Yasui, M., Yamamoto, Y., Okawa, H., Hasegawa, S., Experimental studies on crater scaling law applicable to undulating surfaces and crater collapse, 54th Lunar and Planetary Science Conference 2023, hybrid (The Woodlands, TX/virtual), March 13-17, 2023. (poster)
  • Sasai, H.*, Arakawa, M., Yasui, M., Post shock heat induced by high-velocity oblique impacts on porous icy bodies, 54th Lunar and Planetary Science Conference 2023, hybrid (The Woodlands, TX/virtual), March 13-17, 2023. (poster)
  • Toyoshima, H.*, Arakawa, M., Yasui, M., Sasai, H., Hasegawa, S., High-velocity oblique impact experiments on wet sand targets simulating habitable planets, 54th Lunar and Planetary Science Conference 2023, hybrid (The Woodlands, TX/virtual), March 13-17, 2023. (poster)
  • Yokota, Y.*, Honda, R., Arakawa, M., Sugita, S. Shirai, K., Ogawa, K., Ishibashi, K., Sakatani, N., Kadono, T., Wada, K., Shimaki, Y., Tatsumi, E., Domingue, D., Schröder, S. E., Matsuoka, M., Riu, L., Longobardo, A., Saiki, T., Imamura, H., Nakazawa, S., Hayakawa, M., Yano, H., Takagi, Y., Hirata, N., Senshu, H., Sawada, T., Morota, T., Kameda, S., Yamada, M., Kouyama, T., Cho, Y., Yoshioka, K., Suzuki, H., Honda, C., Photometric parameters of the ejecta deposits around an artificial crater on asteroid Ryugu, 54th Lunar and Planetary Science Conference 2023, hybrid (The Woodlands, TX/virtual), March 13-17, 2023. (oral)
  • Sasai, H.*, Yasui, M., Arakawa, M., Shirai, K., Post Shock Heat Induced by High Velocity Impact on Porous Icy Bodies, 53rd Lunar and Planetary Science Conference 2022, Online, March 7-11, 2022. (poster)
  • Arakawa, M.*, Nagano, T., Ishida, S., Yasui, M., Shirai, K., Hasegawa, S., Impact Strength of Porous- and Ductile-Rocky Planetesimals in Gravity Dominated Regime, 53rd Lunar and Planetary Science Conference 2022, Online, March 7-11, 2022. (poster)
  • Yasui, M.*, Tazawa, T., Hashimoto, R., Arakawa, M., Ogawa, K., High-Velocity Impact Experiments of Simulated Porous Asteroids and Measurements of Post Impact Temperature around Impact Crater, 53rd Lunar and Planetary Science Conference 2022, Online, March 7-11, 2022. (poster)
  • Yasui, M.*, Arakawa, M., Okawa, H., Hasegawa, S., Impact cratering experiments on granular targets simulating surface layer on asteroid 162173 Ryugu: Crater scaling law and impact induced seismic shaking, 52nd Lunar and Planetary Science Conference 2021, Online, March 15-19, 2021. (poster)
  • Okawa, H.*, Arakawa, M., Yasui, M., Hasegawa, S., Yokota, Y., Yamamoto, Y., Three-dimensional tracking of various sized glass beads ejected from impact crater, 52nd Lunar and Planetary Science Conference 2021, Online, March 15-19, 2021. (poster)
  • Yamamoto, Y.*, Arakawa, M., Yasui, M., Hasegawa, S., Yokota, Y., Okawa, H., Sugimura, R., Crater size scaling law and impact-induced seismic shaking on rubble-pile asteroids, 52nd Lunar and Planetary Science Conference 2021, Online, March 15-19, 2021. (poster)
  • Sasai, H.*, Yasui, M., Arakawa, M., Shirai, K., High velocity impact experiments on porous ice aggregates simulating cometary nuclei surface: Measurements of post shock temperature around impact crater, 52nd Lunar and Planetary Science Conference 2021, Online, March 15-19, 2021. (poster)
  • Yokota, Y.*, Arakawa, M., Yasui, M., Yamamoto, Y., Okawa, H., Hasegawa, S., Experimental study on impact craters formed on mountain-like surface topography of asteroids, 52nd Lunar and Planetary Science Conference 2021, Online, March 15-19, 2021. (poster)
  • Toyoda, Y.*, Arakawa, M., Yasui, M., Experimental study on restitution coefficients of porous ice ball simulating Saturn’s ring particles, 52nd Lunar and Planetary Science Conference 2021, Online, March 15-19, 2021. (poster)
  • Arakawa, M.*, Honda, R., Yokota, Y., Shimaki, Y., Shirai, K., Kadono, T., Wada, K., Ogawa, K., Ishibashi, K., Sakatani, N., Yasui, M., Morota, T., Kameda, S., Tatsumi, E., Yamada, M., Kouyama, T., Cho, Y., Matsuoka, M., Suzuki, H., Honda, C., Hayakawa, M., Yoshioka, K., Sawada, H., Sugita, S., Hirata, N., Hirata, N., Resurfacing processes on asteroid (162173) Ryugu caused by an artificial impact of Hayabusa2’s Small Carry-on Impactor, 52nd Meeting of the AAS Division for Planetary Sciences, Online, October 26-30, 2020. (oral)
  • Arakawa, M.*, Saiki, T., Kadono, T., Takagi, Y., Wada, K., Iijima, Y., Imamura, H., Okamoto, C., Shimaki, Y., Shirai, K., Nakazawa, S., Hayakawa, M., Hirata, N., Yano, H., Sawada, H., Ogawa, K., Honda, R., Ishibashi, K., Sakatani, N., Toda, T., Hayakawa, H., Sugita, S., Morota, T., Kameda, S., Tatsumi, E., Honda, C., Yokota, Y., Kouyama, T., Yamada, M., Suzuki, H., Yoshioka, K., Cho, Y., Matsuoka, M., Michel, P., Artificial impact crater formed by Hayabusa2 small carry-on impactor on the surface of asteroid Ryugu, AGU Fall Meeting 2019, Moscone Center, San Francisco, CA, U.S.A., December 9-13, 2019. (invited oral)
  • Arakawa, M.*, Saiki, T., Kadono, T., Takagi, Y., Wada, K., Iijima, Y., Imamura, H., Okamoto, C., Shimaki, Y., Shirai, K., Nakazawa, S., Hayakawa, M., Hirata, N., Yano, H., Sawada, H., Ogawa, K., Honda, R., Ishibashi, K., Sakatani, N., Toda, T., Hayakawa, H., Sugita, S., Morota, T., Kameda, S., Tatsumi, E., Honda, C., Yokota, Y., Kouyama, T., Yamada, M., Suzuki, H., Yoshioka, K., Cho, Y., Matsuoka, M., Michel, P., First result of Hayabusa2 impact experiment on Ryugu, EPSC-DPS Joint Meeting 2019, Centre International de Conférences de Genève (CICG), Geneva, Switzerland, September 15-20, 2019. (oral)
  • Arakawa, M.*, Yasui, M., Okazaki, M., Nakamura, M., Hasegawa, S., In-situ observation of catastrophic disruption of asteroid analogues using flash X-ray photography, EPSC-DPS Joint Meeting 2019, Centre International de Conférences de Genève (CICG), Geneva, Switzerland, September 15-20, 2019. (oral)
  • Yasui, M.*, Yamamoto, Y., Arakawa, M., Hasegawa, S., Sugimura, R., Yokota, Y., Impact experiments on granular targets with size frequency distribution similar to asteroid 162173 Ryugu, EPSC-DPS Joint Meeting 2019, Centre International de Conférences de Genève (CICG), Geneva, Switzerland, September 15-20, 2019. (oral)
  • Arakawa, M.*, Experimental study on scaling laws for high-velocity impact phenomena on water ice targets, 9th Workshop on Catastrophic Disruption in the Solar System (CD9), Kobe Japan, May 14-17, 2018. (invited oral)
  • Yasui, M.*, Arakawa, M., Yoshida, Y., Matsue, K., Takano, S., Ogawa, K., Impact experiments on porous gypsum and glass simulating rocky planetesimals and proto planets: Collisional properties in oblique impacts, 9th Workshop on Catastrophic Disruption in the Solar System (CD9), Kobe Japan, May 14-17, 2018. (oral)
  • Yasui, M.*, Yoshida, Y., Matsue, K., Takano, S., Arakawa, M., Ogawa, K., Okamoto, C., Effect of oblique impact on impact strength of planetesimals, DPS 48/EPSC 11 Meeting, Pasadena, CA, USA, October 16-21, 2016. (poster)
  • Yasui, M.*, Yoshida, Y., Matsue, K., Takano, S., Arakawa, M., Ogawa, K., Oblique impact experiments on porous gypsum and silica glass spheres simulating planetesimals, MISASA VI “Frontiers in Earth and Planetary Materials Research: Origin, Evolution and Dynamics”, Tottori, Japan, March 8-11, 2016. (poster)
  • Yasui, M.*, Matsue, K., Takano, S., Arakawa, M., Experimental study on impact disruption of porous asteroids: Effects of oblique impact and multiple collisions on impact strength, IAU XXIX General Assembly, Honolulu, HW, USA, August 3-14, 2015. (oral)
  • Matsue, K.*, Arakawa, M., Yasui, M., Matsumoto, E., Tsujido, S., Takano, S., Hasegawa, S., Experimental study on propagation process of impact-induced seismic wave in quartz sand simulating asteroid regolith layer, IAU XXIX General Assembly, Honolulu, HW, USA, August 3-14, 2015. (poster) 
  • Matsue, K.*, Arakawa, M., Yasui, M., Matsumoto, E., Tsujido, S., Takano, S., Hasegawa, S., Experimental study on propagation process of impact-induced seismic wave in quartz sand simulating asteroid regolith layer, MISASA V “Comprehensive Exploration of the Solar System: Sample Return and Analysis”, Tottori, Japan, March 6-8, 2015. (poster)
  • Matsue, K.*, Arakawa, M., Yasui, M., Matsumoto, E., Tsujido, S., Takano, S., Hasegawa, S., Experimental study on propagation process of impact-induced seismic wave in quartz sand simulating asteroid regolith layer, East Asian Young Astronomers Meeting 2015, Taipei, Taiwan, February 9-12, 2015. (poster)
  • Arakawa, M., Saiki, T., Wada, K.*, Kadono, T., Takagi, Y., Shirai, K., Okamoto, C., Yano, H., Hayakawa, M., Nakazawa, S., Hirata, N., Kobayashi, M., Michel, P., Jutzi, M., Imamura, H., Ogawa, K., Iijima, Y., Honda, R., Ishibashi, K., Sakatani, N., Hayakawa, H., Sawada, H., Small Carry-On Impactor (SCI) and Deployable Camera 3 (DCAM3) in HAYABUSA-2 Mission, AIDA international workshop 2014, Laurel, Maryland, U.S.A., October 15-17, 2014. (oral)
  • Yasui, M.*, Matsumoto, E., Arakawa, M., Matsue, K., Kobayashi, N., Experimental study on the impact-induced seismic wave propagating through granular materials: Implications for a future asteroid mission, ACM2014, Helsinki, Finland, June 30 – July 4, 2014. (oral)
  • Tsujido, S.*, Arakawa, M., Suzuki, A. I., Yasui, M., Experimental study on the ejecta-velocity distributions caused by low-velocity impacts on quartz sand, ACM2014, Helsinki, Finland, June 30 – July 4, 2014. (oral)
  • Arakawa, M.*, Wada, K., Takagi, Y., Kadono, T., Saiki, T., Sawada, H., Ogawa, K., Small Carry-on Impactor (SCI): Its scientific purpose, operation, and observation plan in Hayabysa-2 mission, Asia Oceania Geosciences Society 10th Annual Meeting, Brisbane, Australia, June 24-28, 2013. (invited oral)
  • Hayama, R., Yasui, M.*, Arakawa, M., Experimental study on the impact strength of icy bodies damaged by multiple collisions, 8th Workshop on Catastrophic Disruption in the Solar System, Hawaii, U.S.A., June 24-27, 2013. (oral)
  • Arakawa, M.*, Saiki, T., Wada, K., Kadono, T., Takagi, Y., Shirai, K., Okamoto, C., Yano, H., Hayakawa, M., Nakazawa, S., Hirata, N., Kobayashi, M., Michel, P., Jutzi, M., Imamura, H., Ogawa, K., Iijima, Y., Honda, R., Ishibashi, K., Hayakawa, H., Sawada, H., Small Carry-on Impactor (SCI): Its scientific purpose, operation, and observation plan in HAYABUSA-2 mission, 44th Lunar and Planetary Science Conference, The Woodlands, Texas, U.S.A., March 18-22, 2013. (poster)
  • Yasui, M.*, Arakawa, M., Hasegawa, S., Fujita, Y., Kadono, T., In situ flash X-ray observation of crater formation in porous gypsum analogous to low-density asteroids, 44th Lunar and Planetary Science Conference, The Woodlands, Texas, U.S.A., March 18-22, 2013. (oral)
  • Fujita, Y., Arakawa, M.*, Yasui, M., Hasegawa, S., Shimaki, Y., Experimental study on impact disruption of rocky rubble-pile bodies: Effect of disruption of constituent boulders on reaccumulation process, 44th Lunar and Planetary Science Conference, The Woodlands, Texas, U.S.A., March 18-22, 2013. (poster)
  • Yasui, M.*, Arakawa, M., Hasegawa, S., Fujita, Y., Kadono, T., In-situ flash X-ray observation of projectile penetration and crater formation in porous asteroid analogue, Asteroids, Comets, Meteors (2012), Niigata, Japan, May 16-20, 2012. (oral)
  • Shimaki, Y.*, Arakawa, M., Experimental study on collisional sticking of isometric sintered porous ice spheres, Asteroids, Comets, Meteors (2012), Niigata, Japan, May 16-20, 2012. (oral)
  • Fujita Y., Arakawa M.*, Hasegawa S., Shimaki Y., Experimental study on impact disruption on rocky rubble-pile bodies, Asteroids, Comets, Meteors (2012), Niigata, Japan, May 16-20, 2012. (oral)
  • Hayama, R.*, Arakawa, M., Yasui, M., The effects of multiple impacts on the impact strength of ice targets, Asteroids, Comets, Meteors (2012), Niigata, Japan, May 16-20, 2012. (poster)
  • Koumoto, Y.*, Yasui, M., Shimaki, Y., Arakawa, M., Low-velocity impact experiments of ice and porous gypsum simulating, Asteroids, Comets, Meteors (2012), Niigata, Japan, May 16-20, 2012. (poster)
  • Arakawa, M.*, Kadono, T., Dohi, K., Takasawa, S., Nakamura, A. M., Hironaka, Y., Watari, T., Sakaiya, T., Sano, T., Sigemori, K., Laboratory experiments of crater formation on basalt and dunite impacted at the velocity higher than 11 km/s, MISASA-IV, Kurayoshi, Japan, February 24-26, 2012. (poster) 
  • Shimaki, Y.*, Arakawa, M., Experimental study on collisional sticking of isometric porous ice dust spheres, MISASA-IV, Kurayoshi, Japan, February 24-26, 2012. (poster) 
  • Yasui, M.*, Arakawa, M., Impact experiments of porous gypsum-glass bead mixtures simulating parent bodies of ordinary chondrites: Implications for re-accumulation processes related to rubble-pile formation, AGU Fall Meeting 2011, San Francisco, California, U.S.A., December 5-9, 2011. (poster) 
  • Arakawa, M.*, Kadono, T., Dohi, K., Takasawa, S., Nakamura, A. M., Hironaka, Y., Watari, T., Sakaiya, T., Sano, T., Sigemori, K., Laboratory experiments of crater formation on basalt and dunite impacted at the velocity higher than 11 km/s, Asia Oceania Geosciences Society 8th Annual Meeting, Taipei, Taiwan, August 8-12, 2011. (oral) 
  • Yasui, M.*, Arakawa, M., Experimental Study on the Collisional Properties of Gypsum-Glass Beads Mixtures, Asia Oceania Geosciences Society 8th Annual Meeting, Taipei, Taiwan, August 8-12, 2011. (oral) 
  • Shimaki, Y.*, Arakawa, M., Experimental study on the collisional process of icy planetesimals. Asia Oceania Geosciences Society 8th Annual Meeting, Taipei, Taiwan, August 8-12, 2011. (poster) 

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