AUTHOR=Tao Luyan , Feng Song , Yang Yiwei , Zheng Bo TITLE=Dosimetry characteristics of ultra-high dose rate X-ray: a short review JOURNAL=Frontiers in Physics VOLUME=Volume 13 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/physics/articles/10.3389/fphy.2025.1576227 DOI=10.3389/fphy.2025.1576227 ISSN=2296-424X