An ultra-short and TeV quasi-monoenergetic ion beam generation by laser wakefield accelerator in the snowplow regimeF. L. Zheng, S. Z. Wu, C. T. Zhou, H. Y. Wang, X. Q. Yan and X. T. HeEPL, 95 5 (2011) 55005DOI: https://doi.org/10.1209/0295-5075/95/55005