Nath R, Schulz R J
Med Phys. 1977 Mar-Apr;4(2):132-3. doi: 10.1118/1.594390.
The relative sensitivity of various materials for the measurement of half-value-layer thickness has been calculated for bremsstrahlung x ray spectra in the energy range 5-40 MeV. It is concluded that low-atomic-number materials such as water are more sensitive to changes in spectral quality of megavoltage x rays than high-atomic-number materials such as lead.
已针对能量范围在5 - 40 MeV的轫致辐射X射线光谱，计算了用于测量半值层厚度的各种材料的相对灵敏度。得出的结论是，诸如水之类的低原子序数材料，相较于诸如铅之类的高原子序数材料，对兆伏级X射线光谱质量的变化更为敏感。
