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Title: Employing Twin Crabbing Cavities to Address Variable Transverse Coupling of Beams in the MEIC

The design strategy of the Medium Energy Electron-Ion Collider (MEIC) at Jefferson Lab contemplates both matching of the emittance aspect ratios and a 50 mrad crossing angle along with crab crossing scheme for both electron and ion beams over the energy range (√s=20-70 GeV) to achieve high luminosities at the interaction points (IPs). However, the desired locations for placing the crabbing cavities may include regions where the transverse degrees of freedom of the beams are coupled with variable coupling strength that depends on the collider rings’ magnetic elements (solenoids and skew quadrupoles). In this work we explore the feasibility of employing twin rf dipoles that produce a variable direction crabbing kick to account for a range of transverse coupling of both beams.
 [1] ;  [2] ;  [3] ;  [3]
  1. ODU
  2. ODU, JLAB
  3. JLAB
Publication Date:
OSTI Identifier:
Report Number(s):
JLAB-ACP-14-1753; DOE/OR/23177-3239
DOE Contract Number:
Resource Type:
Resource Relation:
Conference: IPAC' 14, June 15-20, 2014, Dresden, Germany
Research Org:
Thomas Jefferson National Accelerator Facility, Newport News, VA (United States)
Sponsoring Org:
USDOE Office of Science (SC)
Country of Publication:
United States