Neutron Contamination Detection of Medical Linear Accelerators by Thick Gas Electron Multiplier Detector in Self-Quenching Streamer Mode. - Najarzade, Mohamad Hadi; Rezaie, Mohamad Reza; Negarestani, Ali; Akhound, Ahmad (Iranian Journal of Medical Physics / Majallah-I Fīzīk-I Pizishkī-i Īrān, 2024)