SLS Storage Ring Optics

D4B

Comment

Relaxed optics with large horizontal beta at injection, dispersionfree straight sections and harmonic sextupoles off. Was only used for early commissioning in Dec.2000 to obtain the first stored beam and during the first months of 2001.

Data

Circumference [m]	288.000
Working Point Qx / Qy	15.28 / 9.64
Natural chromaticities	-26.8 / -14.4
Corrected chromaticities	+1 / +1
Momentum compaction factor	1.38E-3
Horizontal emittance at 2.4 GeV [nm rad]	16.6
rms relative energy spread at 2.4 GeV	8.58E-4
Energy loss per turn (no IDs) [keV]	512
Short straight: Beta_x / Beta_y / Disp [m]	4.0 / 3.3 / 0
Medium straight: Beta_x / Beta_y / Disp [m]	6.2 / 3.9 / 0
Long straight: Beta_x / Beta_y / Disp [m]	13.2 / 3.9 / 0
Maximum values: Beta_x / Beta_y / Disp [m]	17 / 24 / 0.42

Additional Material

Lattice file for OPA

Snap file for upload to control system