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physics.atom-ph2026
Probing atoms by periodically modulated electron bunches
A. B. Voitkiv, E. Schneidmiller, T. Pfeifer
When passing through an undulator in a Free Electron Laser, dense bunches of relativistic electrons split into micro-bunches, attaining a periodic space-time structure. We show tha…
physics.atom-ph2026
Positronium breakup versus hydrogen ionization in collisions with fast charged projectiles: a comparative study
B. Najjari, S. F. Zhang, X. Ma +1
We perform a comparative study of the breakup of positronium and ionization of atomic hydrogen by projectile-nuclei in the weak perturbation collision regime, $Z_p e_0^2/\hbar \ll…