摘要: We consider the problem of the scattering of a photon by hydrogen in the ground state when the photon has its principal frequencies near that of Lyman- radiation. We obtain the scattering operator and cross-section for this proces... 展开 We consider the problem of the scattering of a photon by hydrogen in the ground state when the photon has its principal frequencies near that of Lyman- radiation. We obtain the scattering operator and cross-section for this process.Our procedure is to adapt Dirac's theory of resonance scattering to the problem and, by quantizing the electromagnetic field in an angular momentum basis, to solve the problem exactly within the framework of the Dirac theory. 收起