Jamming transition of a granular pile below the angle of repose S. Deboeuf, E. M. Bertin, E. Lajeunesse and O. Dauchot Eur. Phys. J. B, 36 1 (2003) 105-113 Published online: 19 November 2003 DOI: 10.1140/epjb/e2003-00322-1