Manipulating the Laser-Driven Proton Bunch with Plasma Wakefield

Figure 5

Energy spectrum of the bunch. (a) Initial bunch energy spectrum. Propagation distance s = 0 cm, (b) propagation distance s = 7.2 cm, (c) propagation distance s = 14.4 cm, and (d) propagation distance s = 21.6 cm.

(a)

(b)

(c)

(d)