Demonstration of Geometric Effects and Resonant Scattering in the X-Ray Spectra of High-Energy-Density Plasmas. - Pérez-Callejo G; Marley EV; Liedahl DA; Jarrott LC; Kemp GE; Heeter RF; Emig JA; Foord ME; Schneider MB; Rose SJ; Wark JS (Physical review letters, 2021)