Beam on target: CEBAF accelerator achieves 12 GeV commissioning milestone

Late on April 1, the crown jewel of the Department of Energy’s Thomas Jefferson National Accelerator Facility (“Jefferson Lab”) sparkled its way into a new era. Following an upgrade of the Continuous Electron Beam Accelerator Facility, the CEBAF accelerator delivered the highest-energy electron beams it has ever produced into a target in an experimental hall, recording the first data of the 12 GeV era. The machine sent electrons around the racetrack three times (known as “3-pass” beam), resulting in 6.11 GeV electrons at 2 nanoAmps average current for more than an hour.

from Phys.org: Physics News http://ift.tt/1iOk4eS

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