The laboratory 's main research facility is the CEBAF accelerator , which consists of a polarized electron source and injector and a pair of superconducting RF linear accelerators 7\/8-mile ( 1400 m ) in length , connected to each other by two arc sections which contain steering magnets .
The laboratory 's main research facility is the CEBAF accelerator , which consists of a polarized electron source and injector and a pair of 7\/8 mile ( 1400 m ) long superconducting RF linear accelerators .