slactrac.PWFA.SimBeam¶

class slactrac.PWFA.SimBeam(plasma, beam, E0, n_p_cgs, nparts, beta_mismatch, s_pts)[source]¶

Simulates beam particles in a plasma, given certain initial conditions.

Parameters:

Parameters:	plasma : E0 : float Mean beam energy. n_p_cgs : float Plasma density in CGS units. nparts : int Number of particles to use in simulation beta_mismatch : float Factor to mismatch distribution in beta by. s_pts : int Number of points to simulate in s.

plasma :

E0 : float

Mean beam energy.

n_p_cgs : float

Plasma density in CGS units.

nparts : int

Number of particles to use in simulation

beta_mismatch : float

Factor to mismatch distribution in beta by.

s_pts : int

Number of points to simulate in s.

Attributes

`beam`	Initial beam object.
`divsq`	The beam divergence $\langle x'^2 \rangle$ .
`emit_measured`	The beam emittance $\langle x x' \rangle$ .
`k_xi`	Ion focusing wavenumber $k_\xi$ .
`phi`	Particle phases $\phi$ .
`plasma`	Initial plasma object.
`s`	Coordinates of beam ( $s$ ).
`spotsq`	The beam variance $\langle x^2 \rangle$ .
`x`	Coordinates of beam ( $x$ ).
`xp`	Coordinates of beam ( $x'$ ).
`xxp`	The beam correlation $\langle x x' \rangle$ .

Methods

ion_force(y, t, E)