Author affiliations
1 Department of Physics, University of Oxford, Parks Road, Oxford, OX1 3PU United Kingdom
2 Institut für Plasmatechnik und Mathematik, Universität der Bundeswehr, München, Neubiberg, Germany
3 Department of Physics, University of York, Heslington, York, YO10 5DD United Kingdom
4 Central Laser Facility, Rutherford Appleton Laboratory, Chilton, Didcot, OX11 0QX United Kingdom
5 Department of Physics, University of Strathclyde, Glasgow, G4 0NG United Kingdom
6 AWE Aldermaston, Reading, West Berkshire, RG7 4PR United Kingdom
7 Laboratoire pour l'Utilisation de Lasers Intenses, Ecole Polytechnique, Palaiseau Cedex, 91128 France
8 Department of Physics, National Central University, No. 300, Zhongda Road, Zhongli District, Taoyuan City, 32001 Taiwan
9 Department of Astronomy and Astrophysics, University of Chicago, 5640 S. Ellis Ave, Chicago, IL, 60637 U.S.A.
10 Department of Physics, ETH Zurich, Otto-Stern-Weg 1, Zurich, 8039 Switzerland
11 School of Mathematics and Physics, Queens University Belfast, University Road, Belfast, Northern Ireland, BT7 1NN United Kingdom
12 Institute of Laser Engineering, Osaka University, 2-6 Yamadaoka, Suita, Osaka Prefecture, 565-0871 Japan
13 Physics Division, Lawrence Berkeley National Laboratory and University of California, 1 Cyclotron Road, Berkeley, CA, 94720 U.S.A.
14 Department of Physics, University of Nevada, Reno, Nevada, 89557 U.S.A.
