Abstract:
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The accelerating RF field in TESLA cavities presents asymmetries around the
cavity axis, due to the input couplers, which give transverse RF deflections
(RF kicks) to the beam. These deflections can induce non-negligible vertical
emittance dilution of the TESLA beam. A beam experiment on the TESLA Test
Facility (TTF) has been dedicated to the measurement of their magnitude. We
report on the results from this experiment and compare them to the theoretical
expectations as well as to TESLA tolerances.
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