Translocation of a granular chain in a horizontally vibrated saw-tooth channel Fariba Mortazavi, Mehdi Habibi and Ehsan Nedaaee Oskoee Eur. Phys. J. E, 39 10 (2016) 93 Published online: 21 October 2016 DOI: 10.1140/epje/i2016-16093-6