slactrac.PWFA.EllipseBeam.set_Courant_Snyder¶

EllipseBeam.set_Courant_Snyder(beta, alpha, emit=None, emit_n=None)[source]¶

Sets the beam moments indirectly using Courant-Snyder parameters.

Parameters:

Parameters:	beta : float Courant-Snyder parameter $\beta$ . alpha : float Courant-Snyder parameter $\alpha$ . emit : float Beam emittance $\epsilon$ . emit_n : float Normalized beam emittance $\gamma \epsilon$ .

beta : float

Courant-Snyder parameter $\beta$ .

alpha : float

Courant-Snyder parameter $\alpha$ .

emit : float

Beam emittance $\epsilon$ .

emit_n : float

Normalized beam emittance $\gamma \epsilon$ .