IInternational Journal of Radiation Oncology*Biology*Physics3/1/2026The Quasi-Adiabatic Graphite Calorimeter for Absolute Dosimetry in Ultra-High Dose Rate (FLASH) X-Ray RadiotherapyJi Huang·Anna Subiel·Zhipeng Wang·Haowen Zhang·Dai Wu·Kun Wang·Baolin Tian·Hui Zhang·Guolong Zhang·Hao Wu·Yaping Qi·Xueqing Yan·Yiwei Yang·Sunjun JinRead at International Journal of Radiation Oncology*Biology*PhysicsTagsRadiation Therapy and DosimetryPulmonary and Respiratory Medicine