Title :
Transport properties of the CEBAF cavity
Author :
Li, Zenghai ; Bisognano, J.J. ; Yunn, B.C.
Author_Institution :
Dept. of Phys., Coll. of William & Mary, Williamsburg, VA, USA
Abstract :
The transport properties of the CEBAF 5-cell cavity are studied. The 3-D cavity fields are calculated by use of the 3-D program MAFIA and are incorporated in a modified PARMELA. Numerical simulation results show that the cavity has finite dipole, quadrupole and skew quadrupole field components, which are due to the asymmetric field in the fundamental and the higher-order-mode couplers. The azimuthal focusing of the cavity disappears for high energy particles as ½γ. The dependence on the initial energy and cavity phase is given. The cavity-steering effects were measured on the CEBAF 45 MeV injector and are in good agreement with the numerical simulation
Keywords :
beam handling techniques; electron accelerators; linear accelerators; physics computing; 3-D cavity fields; 3-D program MAFIA; 45 MeV; CEBAF 45 MeV injector; CEBAF 5-cell cavity; asymmetric field; azimuthal focusing; cavity-steering effects; finite dipole field components; finite quadrupole field components; finite skew quadrupole field components; higher-order-mode couplers; modified PARMELA; numerical simulation; transport properties; Arm; Couplers; Cutoff frequency; Educational institutions; Linear particle accelerator; Numerical simulation; Optical coupling; Physics; Proposals; Radio frequency;
Conference_Titel :
Particle Accelerator Conference, 1993., Proceedings of the 1993
Conference_Location :
Washington, DC
Print_ISBN :
0-7803-1203-1
DOI :
10.1109/PAC.1993.308973
