Table 2 Start conditions.

From: A beamline to control longitudinal phase space whilst transporting laser wakefield accelerated electrons to an undulator

Parameter

Value

Unit

Central energy

1.0

GeV

Lorentz factor \(\gamma _{0}\)

1958

 

Energy spread (rms)

1

%

Transverse size (rms)

5

\(\upmu \text {m}\)

Divergence (rms)

1

 mrad

Normalised emittance

9.79

\(\upmu \text {m}\)

Geometric emittance

\(5 \times 10^{-3}\)

\(\upmu \text {m}\)

Charge

50

pC

Bunch length (rms)

1 (0.3)

fs (\(\upmu \text {m}\))

Twiss \(\alpha _{x,y}\)

0, 0

 

Twiss \(\beta _{x,y}\)

5, 5

mm

  1. Properties of the input bunch distributions used in this study. The Twiss parameters \(\alpha _{x,y}\) and \(\beta _{x,y}\) provide the start conditions for matching in MAD8.
Back to article page