A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Electron—Atom Bremsstrahlung
Abstract In this chapter we discuss electron bremsstrahlung, the radiation of a photon in the scattering of an electron from an atom or ion. We shall focus our attention on incident electrons with kinetic energiesT i in the 100-eV to 10-MeV range (and especially for 1 keV to 1 MeV) and radiated photons in the vacuum ultraviolet, X-ray, and soft γ-ray regimes. Electron bremsstrahlung is only one particular consequence of the general coupling of the electromagnetic field and matter fields. The process is closely related, as we shall see, both to elastic electron scattering and to direct radiative recombination, in which the incident electron does not scatter but is captured by the atom. It is also closely related to pair production. Other charged particles also radiate in scattering, as follows from Maxwell’s equations, and we shall discuss the most closely related case of positron bremsstrahlung. More generally, the electromagnetic coupling to matter fields is responsible for radiative versions of all nonradiative processes, including “inverse bremsstrahlung” processes in which electromagnetic radiation is absorbed rather than emitted.
Electron—Atom Bremsstrahlung
Abstract In this chapter we discuss electron bremsstrahlung, the radiation of a photon in the scattering of an electron from an atom or ion. We shall focus our attention on incident electrons with kinetic energiesT i in the 100-eV to 10-MeV range (and especially for 1 keV to 1 MeV) and radiated photons in the vacuum ultraviolet, X-ray, and soft γ-ray regimes. Electron bremsstrahlung is only one particular consequence of the general coupling of the electromagnetic field and matter fields. The process is closely related, as we shall see, both to elastic electron scattering and to direct radiative recombination, in which the incident electron does not scatter but is captured by the atom. It is also closely related to pair production. Other charged particles also radiate in scattering, as follows from Maxwell’s equations, and we shall discuss the most closely related case of positron bremsstrahlung. More generally, the electromagnetic coupling to matter fields is responsible for radiative versions of all nonradiative processes, including “inverse bremsstrahlung” processes in which electromagnetic radiation is absorbed rather than emitted.
Electron—Atom Bremsstrahlung
Pratt, R. H. (author) / Feng, I. J. (author)
1985-01-01
48 pages
Article/Chapter (Book)
Electronic Resource
English
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