Unbound or Distant Planetary Mass Population Detected by Gravitational Microlensing
T. Sumi, K. Kamiya, A. Udalski, D.P. Bennett, I.A. Bond, F. Abe, C.S. Botzler, A. Fukui, K. Furusawa, J.B. Hearnshaw, Y. Itow, P.M. Kilmartin, A. Korpela, W. Lin, C.H. Ling, K. Masuda, Y. Matsubara, N. Miyake, M. Motomura, Y. Muraki, M. Nagaya, S. Nakamura, K. Ohnishi, T. Okumura, Y.C. Perrott, N. Rattenbury, To. Saito, T. Sako, D.J. Sullivan, W.L. Sweatman, P.J. Tristram, P.C.M. Yock, M.K. Szymanski, M. Kubiak, G. Pietrzynski, R. Poleski, I. Soszynski, L. Wyrzykowski, K. Ulaczyk
http://arxiv.org/abs/1105.3544
