A ug 1 99 9 New mechanism of X - ray radiation from a relativistic charged particle in a dielectric random medium Zh
نویسنده
چکیده
We have considered X-ray radiation of a relativistic charged particle moving in a system consisting of microspheres distributed randomly in a dielectric material. A new mechanism based on the diffusional scattering of pseudophotons is suggested. The result leads to a stronger dependence of radiation intensity on the particle energy, γ = E/mc, than that predicted by the traditional transition radiation theory, and explains a recent experiment on such a system of randomly distributed superconducting granules. PACS number : 41.60.-m, 61.80.Cb, 85.25.-j E-mail: [email protected] Corresponding author, E-mail: [email protected]
منابع مشابه
New mechanism of x-ray radiation from a relativistic charged particle in a dielectric random medium.
Based on the diffusional scattering of pseudophotons, we propose a new mechanism of x-ray radiation from a relativistic charged particle moving in a system consisting of microspheres distributed randomly in a dielectric material. The mechanism leads to a stronger dependence of radiation intensity on the particle energy, gamma = E/mc(2), than that predicted by the transition radiation, and expla...
متن کاملاستفاده از شتابگر الکترونی MeV 10 برای تولید تابش چرنکوف درناحیه پرتوایکس نرم
Cherenkov radiation is generated when relativistic charged particles move in a medium with refractive index larger than unity. Although, the refractive index is generally smaller than unity in X-ray region, in the vicinity of atomic absorption edges, the refractive index may exceed unity and Cherenkov radiation can be generated in soft X-ray region with a narrow band width. In this paper, the s...
متن کاملInvestigation of Charged Particles Radiation Moving in a Homogeneous Dispersive Medium (TECHNICAL NOTE)
In this work, we use Drude-Lorents model description to study the radiation of a charged particles moving in a homogeneous dispersive medium. A suitable quantized electromagnetic field for such medium is utilized to obtain proper equations for energy loss of the particle per unit length. The energy loss is separately calculated for transverse and longitudinal components of the filed operators. ...
متن کاملتابش چرنکوف نسبیتی در حضور محیط دیالکتریک مغناطیده
In this paper, relativistic Cherenkov radiation was studied in a 3-D magneto-dielectric medium. Electric permittivity and magnetic permeability of the medium as functions of frequency, are assumed to satisfy Kramers- Kronig equations. A new interaction Hamiltonian, which is different from Hamiltonian term in non-relativistic state, was introduced by the quantized vector potential field and part...
متن کاملRadiation of Relativistic Charged Particles in a System with One Dimensional Randomness
Radiation of relativistic charged particles in a system of randomly spaced plates is considered in the paper. It is shown that for large number of plates (N ≫ 1), in the wavelength range λ ≪ l ≪ L ( where l is the photon mean free path and L is the system characteristic size) and for angles | cos θ| ≫ (λ/2πl), pseudophoton diffusion represents the major mechanism of radiation. Total intensity o...
متن کامل