Theory of emission by relativistic particles in amorphous and crystalline media
Journal Article
·
· Sov. Phys. - JETP (Engl. Transl.); (United States)
OSTI ID:5871281
The influence of multiple scattering and of polarization of the medium on the intensity of coherent emission of low-frequency radiation by relativistic particles in a crystal is investigated. It is shown that the method of functional integration can be used to describe the emission of radiation by high-energy particles in matter. The method is used to reproduce the results of Migdal and Ter-Mikaelyan on the effect of multiple scattering and of polarization of the medium on the emission of bremsstrahlung by fast charged particles in an amorphous medium at low frequencies, and a formula is obtained for the effect of multiple scattering by chains of atoms and of polarization of the medium on the intensity of coherent emission by ultrarelativistic particles in a crystal. It is shown that, when particles propagate in a crystal, multiple scattering may have a significant effect on the way they emit at much lower particle energies, and in a much greater range of emission frequencies, than in an amorphous medium. This opens up new possibilities for studying the Landau-Pomeranchuk effect on many existing accelerators.
- Research Organization:
- Physicotechnical Institute, Academy of Sciences of the Ukrainian SSR, Kharkov
- OSTI ID:
- 5871281
- Journal Information:
- Sov. Phys. - JETP (Engl. Transl.); (United States), Journal Name: Sov. Phys. - JETP (Engl. Transl.); (United States) Vol. 62:3; ISSN SPHJA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
654001* -- Radiation & Shielding Physics-- Radiation Physics
Shielding Calculations & Experiments
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BREMSSTRAHLUNG
CHARGED-PARTICLE TRANSPORT
COHERENT PRODUCTION
CRYSTALS
ELECTROMAGNETIC RADIATION
ENERGY RANGE
MULTIPLE SCATTERING
PARTICLE PRODUCTION
POLARIZATION
RADIATION TRANSPORT
RADIATIONS
RELATIVISTIC RANGE
SCATTERING
Shielding Calculations & Experiments
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BREMSSTRAHLUNG
CHARGED-PARTICLE TRANSPORT
COHERENT PRODUCTION
CRYSTALS
ELECTROMAGNETIC RADIATION
ENERGY RANGE
MULTIPLE SCATTERING
PARTICLE PRODUCTION
POLARIZATION
RADIATION TRANSPORT
RADIATIONS
RELATIVISTIC RANGE
SCATTERING