Andrej Wolski

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Vertical emittance is a critical issue for future linear collider damping rings. Both NLC and TESLA specify vertical emittance of the order of a few picometers, below values currently achieved in any storage ring. Simulations show that algorithms based on correcting the closed orbit and the vertical dispersion can be effective in reducing the vertical(More)
For the International Linear Collider to reach its design luminosity, the damping rings must achieve a vertical emittance that is a factor of two below that achieved in any operating storage ring so far. Magnet alignment, orbit control and coupling correction are therefore critical issues for the ILC damping rings. We present the results of studies of the(More)
We estimate the relative contributions of residual vertical dispersion and direct betatron coupling to the vertical emittance in the NLC Main Damping Rings. We propose a simple scheme based on independent skew quadrupole fields superposed on the sextupoles, for minimizing the vertical emittance in the presence of alignment errors. The alignment tolerances(More)
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