Speaker
Description
Oriented crystals and nanostructures can act as nanoscale particle accelerators and radiation sources. When charged particles undergo channeling*, atomic electric fields steer them with angstrom-scale precision, producing effects analogous to magnetic fields of accelerator optics but exceeding 100 T.
In oriented crystals one can also generate intense X-ray and gamma-ray radiation—similar to undulator, wiggler, or synchrotron radiation—as well as secondary particles such as positrons. Additionally, crystals and nanostructures show promise for solid-state plasma wakefield acceleration, offering gradients beyond 1 TeV/m**.
These properties open prospects for innovative applications, including instruments for crystal-based beam manipulation and beam focusing; X-ray and gamma sources for nuclear physics; positron sources for future lepton colliders; and ultrahigh-gradient plasma wakefield acceleration.
This contribution offers a comprehensive overview of these applications and describe Geant4 G4ChannelingFastSimModel*** enabling start-to-end simulation design for their development.
Footnotes
*J. Lindhard. Mat. Fys. Medd. Dan. Vid. Selsk. 34(14), 64 (1965).
** M.F. Gilljohann et al. JINST 18 P11008 (2023).
*** A. Sytov et al. JKPS 83 132 (2023).
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