Evolutional processes of solid bodies from dust particles to planets.
Recent Publications:
Okamoto, T., Nakamura, A. M. Scaling of impact-generated cavity-size for highly porous targets and its application to cometary surfaces, Icarus, in press.
Nakamura, A. M., Yamane, F., Okamoto, T., Takasawa, S. (2015) Size dependence of the disruption threshod: Laboratory examination of millimeter-centimeter porous targets, Planet. Space Sci., 107, 45-52.
Katsura, T., Nakamura, A. M., Takabe, A., Okamoto, T., Sangen, K., Hasegawa, S., Liu, X., and Mashimo, T. (2014), Laboratory experiments on the impact disruption of iron meteorites at temperature of near-Earth space, Icarus 241, 1-12.
Nakamura, A. M., Setoh, M., Wada, K., Yamashita, Y., and Sangen, K. (2013), Impact and intrusion experiments on the deceleration of low-velocity impactors by small-body regolith, Icarus, 223, 222-233.
Takasawa, S., Nakamura, A. M., Kadono, T., Arakawa, M., Dohi, K., Ohno, S., Seto, Y., Maeda, M., Shigemori, K., Hironaka, Y., Sakaiya, T., Fujioka, S., Sano, T., Otani, K., Watari, T., Sangen, K., Setoh, M., Machii, N., and Takeuchi, T. (2011), Silicate dust size distribution from hypervelocity collisions: Implications for dust production in debris discs, Ap. J. 733L39.
Nakamura, A. M., Michikami, T., Hirata, N., Fujiwara, A., Nakamura, R., Ishiguro, M., Miyamoto, H., Demura, H., Hiraoka, K., Honda, T., Honda, C., Saito, J., Hashimoto, T., Kubota, T. (2008), Impact process of boulders on the surface of asteroid 25143 Itokawa -Fragments from collisional disruption, Earth Planets Space 60, 7-12.
Fujiwara, A. and 21 co-authors (2006), The rubble-pile asteroid Itokawa as observed by Hayabusa, Science 312, 1330-1334.