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Options For An 11 Gev Rf Beam Separator For The Jefferson Lab Cebaf Upgrade, Jean R. Delayen, M. Spata, H. Wang
Options For An 11 Gev Rf Beam Separator For The Jefferson Lab Cebaf Upgrade, Jean R. Delayen, M. Spata, H. Wang
Physics Faculty Publications
The CEBAF accelerator at Jefferson Lab has had, since first demonstration in 1996, the ability to deliver a 5-pass electron beam to experimental halls (A, B, and C) simultaneously. This capability is provided by a set of three, room temperature 499 MHz rf separators in the 5th pass beamline. The separator cavity is a two-rod, two-cell TEM mode type resonator, which has high shunt impedance. The 12 GeV baseline design does not preserve the capability of separating the 5th pass, 11 GeV beam for the 3 existing halls. Several options for restoring this capability, including extension of the present room …