Speaker
Description
The Electron Ion Collider design strategy for reaching unprecedented luminosities and detection capabilities involves collision of flat bunches at a relatively large crossing angle. Effective head-on collisions are restored using crab cavities, which introduce a correlation of the particles' transverse coordinates with their longitudinal positions in the bunch, or crab dispersion. The collision geometry is further complicated by a tilt of the Electron Storage Ring plane with respect to that of the Hadron Storage Ring. In addition, the interaction point is placed inside the field of a detector solenoid. Reaching the design luminosity requires precise control of the 6D bunch distribution at the IP accounting for all of the aforementioned design features. This paper describes correction of the detector solenoid effect on the beam optics of the Hadron Storage Ring using a combination of local and global skew quadrupoles.
Funding Agency
Authored in part by UT-Battelle, LLC, Brookhaven Science Associate, LLC, and Jefferson Science Associates, LLC under Contracts DE-AC05-00OR22725, DE-SC0012704, and DE-AC05-06OR23177 with the US DoE.
Region represented | North America |
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Paper preparation format | LaTeX |