Air attenuation of high power XFEL beams. - Heimann, Philip; Rosenstrom, Andrew; Lin, Ming-Fu; Obaid, Razib; Driver, Taran; Cryan, James; Xiao, Shanjie; MacDonald, Sena; Rokni, Sayed; Prinz, Alyssa; Langeveld, Willy; Zhang, Lin (Journal of Synchrotron Radiation, 2026)