Influence of helical pitch and gantry rotation time on image quality and file size in ultrahigh-resolution photon-counting detector CT oleh Philipp Feldle, Jan-Peter Grunz, Henner Huflage, Andreas Steven Kunz, Süleyman Ergün, Saif Afat, Philipp Gruschwitz, Lukas Görtz, Lenhard Pennig, Thorsten Alexander Bley, Nora Conrads