Table 2.

Average physical dose from the measurement of gold foil and TLD during neutron irradiation

	Physical dose (Gy)
Thermal neutron (~0.5 eV)	2.4 × 10−1
Epithermal neutron (0.5–10 keV)	2.55 × 10−2
Fast neutron (10 keV~)	1.80 × 10−1
Gamma ray	4.70 × 10−1
Total	9.10 × 10−1
Gadolinium-157 (1 ppm)	1.4 × 10−1