Numerical simulation of particle dynamics in a storage ring by using BETACOOL program

Мешков, И. Н.; Pivin, R. V.; Sidorin, A. O.; Smirnov, Alexander V.; Trubnikov, G. V.

doi:10.1134/s1547477106070132

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Section: Introductionmentioning

confidence: 99%

“…The energy losses by a charged particle in magnetized plasma at the electron cooling can be calculated with the use of the numerical simulation PIC (particle-in-cell) [7], the Monte Carlo method (classical trajectories), or the software package BetaCool [14]. The latter is based on formulas obtained by Budker [4,10], Parkhomchuk, or Derbenev-Skrinskii [14] in the framework of binary collision theory. However, as was shown by Alfvén and Spitzer [15,16], the contribution of collective scattering processes at small angles to total energy losses is of the same order as that of binary collisions in plasma with a medium concentration, and by an order of magnitude larger in rarefied plasma.…”

Section: Introductionmentioning

confidence: 99%

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Dielectric Model of Energy Losses by a Massive Charged Particle Moving Through Cold Magnetized Plasma

Khelemelya¹,

Kholodov²,

Miroshnichenko³

2013

Ukr. J. Phys.

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Energy losses by a charged particle moving in infinite magnetized plasma have been calculated in the framework of the dielectric model and with the use of the correspondence principle. This principle enabled us not to use a phenomenological cutoff parameter for matching with the theory of binary collisions. Analytical expressions for energy losses were derived for the motions of a particle directed along and perpendicularly to the magnetic field. They were confirmed by numerical calculations for a charged particle moving in a magnetic field of an arbitrary strength and at an arbitrary angle to the field direction. The results obtained are compared with those obtained in quantum field theory. K e y w o r d s: dielectric model, cutoff parameter, energy losses, principle of correspondence, binary collisions, magnetized plasma.

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