Collisional cross-sections measurement of ultracold caesium Rydberg statesZhi-Gang Feng, Lin-Jie Zhang, Hao Zhang, Jian-Ming Zhao, Chang-Yong Li and Suo-Tang JiaEPL, 92 1 (2010) 13002DOI: https://doi.org/10.1209/0295-5075/92/13002