Author :
Wang, Xiongfei ; Zgadzaj, R. ; Fazel, N. ; Li, Zuyi ; Henderson, W. ; Chang, Yu-Yu ; Korzekwa, R. ; Yi, S.A. ; Khudik, V. ; Zhang, Xiaobing ; Tsai, H.-E. ; Pai, C.-H. ; Quevedo, H. ; Dyer, G. ; Gaul, E. ; Martinez, Manuel ; Bernstein, Andrey ; Borger, T.
Author_Institution :
Dept. of Phys., Univ. of Texas at Austin, Austin, TX, USA
Abstract :
We report self-injected quasi-monoenergetic (5% spread FWHM) acceleration of electrons to 2.0 ± 0.1 GeV by 0.6 PW-laser-driven wakefield acceleration in pure He plasma of density 5×1017 cm-3. Electron bunches diverge ~0.5mrad, and contain ~60 pC.
Keywords :
helium; particle beam bunching; plasma accelerators; plasma density; plasma diagnostics; plasma light propagation; wakefield accelerators; FWHM; He; electron bunches; electron volt energy 2 GeV; laser-driven wakefield acceleration; power 0.6 PW; pure He plasma; quasimonoenergetic electron generation; self-injected quasimonoenergetic acceleration; Acceleration; Helium; Optical pulses; Plasmas; Semiconductor lasers; X-ray lasers;