HL-LHC Optics

Halo cleaning simulation for impedance estimates for HL-LHC scenario.

HL-LHC v1.2 optics with new Dispersion Suppressor collimators (TCLDs) of 60 cm legth.

Primaries, secondaries
and absorbers

NSIG_TCP3 15.
NSIG_TCSG3 18.
NSIG_TCLA3 20.
NSIG_TCP7 5.7
NSIG_TCSG7 7.7
NSIG_TCLA7 10.
NSIG_TCL 12.
NSIG_TCDQ 9.
NSIG_TCSTCDQ8.5
     
Tertiaries
NSIG_TCTH1 10.9
NSIG_TCTH2 30.
NSIG_TCTH5 10.9
NSIG_TCTH8 15.
NSIG_TCTV1 10.9
NSIG_TCTV2 30.
NSIG_TCTV5 10.9
NSIG_TCTV8 15.
NSIG_TCLD 10.
Collgaps files for impedance calculations can be found on the impedance page

ColUSM website, CERN. Last update: October 2016