Process to obtain the energyAbility to do work or diffuse heat. The unit of energy is th... spectrum of a radiationEnergy dispersion through matter or space. In atomic physics.... The pulses of a detector supplying output pulses proportional to energyAbility to do work or diffuse heat. The unit of energy is th... are sorted and counted according to their amplitude. The energyAbility to do work or diffuse heat. The unit of energy is th... spectrum can be derived from the pulse amplitude distribution obtained in this way.