Atomistic modelling of the channeling process with radiation reaction force included
arXiv:2209.14192 · doi:10.1016/j.nimb.2022.12.008
Abstract
Methodology is developed that incorporates the radiation reaction force into the relativistic molecular dynamics framework implemented in the MBN Explorer software package. The force leads to a gradual decrease in the projectile's energy E due to the radiation emission. This effect is especially strong for ultra-relativistic projectiles passing through oriented crystals where they experience the action of strong electrostatic fields as has been shown in recent experiments. A case study has been carried out for the initial approbation of the methodology developed. Simulations of the processes of planar channeling and photon emission have been performed for 150 GeV positrons in a 200 microns thick single oriented Si(110) crystal. Several regimes for the decrease in E have been established and characterized. Further steps in developing the code to include the necessary quantum corrections are identified and possible algorithmic modifications are proposed.
arXiv comment19 pages, 6 figures
References in corpus (13)
- Experimental Evidence of Quantum Radiation Reaction in Aligned Crystals
- Simulation of Ultra-Relativistic Electrons and Positrons Channeling in Crystals with MBN Explorer
- Studying chemical reactions in biological systems with MBN Explorer: implementation of molecular mechanics with dynamical topology
- The influence of the dechanneling process on the photon emission by an ultra-relativistc positron channeling in a periodically bent crystal
- Experimental evidence of planar channeling in a periodically bent crystal
- Quantum radiation reaction in aligned crystals beyond the local constant field approximation
- Planar Channeling of 855 MeV Electrons in Silicon: Monte-Carlo Simulations
- All-atom relativistic molecular dynamics simulations of channeling and radiation processes in oriented crystals
- Steering efficiency of a ultrarelativistic proton beam in a thin bent crystal
- Radiation Reaction near the Classical Limit in Aligned Crystals
- Experimental evidence of independence of nuclear de-channeling length on the particle charge sign
- Reduction of multiple scattering of high-energy positively charged particles during channeling in single crystals
- Complete treatment of single-photon emission in planar channeling