Fig. 7

The spectra of backscattered gamma-rays for LDPE doped with 20 wt% of W particles at reflection angle of 135° and incident photon energy of 0.5 MeV.

The spectra of backscattered gamma-rays for LDPE doped with 20 wt% of W particles at reflection angle of 135° and incident photon energy of 0.5 MeV.