[SLAC] [SLAC Pubs and Reports]
SLAC-PUB-7889
Status of the SLC Linac
Abstract
An important contribution to the increased luminosity of the SLAC
Linear Collider (SLC) in 1997/98 is due to improved performance of the
linac. New tuning and stabilization strategies have reduced the
emittance growth to nearly negligible values (<10% in x and
<30% in y). A stronger lattice has less sensitivity to
wakefields. A new orbit correction scheme and a different emittance
tuning procedure reduce the emittance growth further. The stability is
improved by counteracting diurnal changes and additionally checking
klystron phases. The jitter of the beam is monitored by analyzing the
FFT spectrum for sources and keeping it under control. Careful
attention is paid to the longitudinal setup from the rings to provide
an optimal bunch length at the interaction point for maximum
disruption enhancement.
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