C-H. Du - Durham University
M. E. Ghazi - Durham University
Y. Su - Durham University
I. Pape - Durham University
P. D. Hatton - Durham University
S. D. Brown - European Synchrotron Radiation Facility
W. G. Stirling - European Synchrotron Radiation Facility
M. J. Cooper - European Synchrotron Radiation Facility
S-W. Cheong - School of Arts and Sciences, Physics & Astronomy