The MAX II accelerator

MAX II as a new 1.5 GeV third generation electron storage ring for synchrotron radiation. During 1994-96 it has been under commissioning.

MAX II is equipped with several undulators.

Electron energy	1.5 GeV
Horizontal emittance	8.8 E-9 m rad
Circumference	90 m
Momentum compaction	0.004
Natural horizontal chromaticity	-27
Natural vertical chromaticity	-10
Natural energy spread	0.7 E-3
Dispersion in straight sections	0.13 m
Periodicity	10
Straight section length	3.2 m
RF	500 MHz
Bunch length (RMS)	20 ps
Beam lifetime	> 10 h
Current	200 mA
Qx	9.22
Qy	3.18

Injection is made from MAX I at 500 MeV, but a new injector is currently beeing assembled (see MAX III).