Figure 5
From: Shock assisted ionization injection in laser-plasma accelerators
Angularly resolved electron spectra for different conditions.
(a) Electron density ne = 3.7 × 1018 cm−3. (b) ne = 5.3 × 1018 cm−3. (c) ne = 9.2 × 1018 cm−3. (d) ne = 9.2 × 1018 cm−3, without shock. (e) ne = 5.3 × 1018 cm−3, mixture 2% nitrogen, 98% helium.
