slactrac.PWFA.EllipseBeam.set_moments

EllipseBeam.set_moments(sx, sxp, sxxp)[source]

Sets the beam moments directly.

Parameters:

sx : float

Beam moment where \text{sx}^2 = \langle x^2 \rangle.

sxp : float

Beam moment where \text{sxp}^2 = \langle x'^2 \rangle.

sxxp : float

Beam moment where \text{sxxp} = \langle x x' \rangle.