Mass-dependent isotopic fractionation of a solid tin under a strong gravitational field Takahito Osawa, Masao Ono, Fumitaka Esaka, Satoru Okayasu, Yusuke Iguchi, Ting Hao, Masaaki Magara and Tsutomu Mashimo EPL, 85 6 (2009) 64001 Published online: 02 April 2009 DOI: 10.1209/0295-5075/85/64001