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Studies of emittance growth in the ATF
Author(s) -
Frank Zimmermann
Publication year - 1997
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/486014
Subject(s) - thermal emittance , beam emittance , quadrupole , synchrotron radiation , beam (structure) , physics , linear particle accelerator , synchrotron , wake , optics , storage ring , nuclear physics , injector , ion , atomic physics , mechanics , quantum mechanics , thermodynamics
Several different mechanisms of emittance growth in the Accelerator Test Facility (ATF) at KEK are investigated: the author calculates rise times of the fast beam-ion instability for the damping ring (DR), and discusses the emittance growth caused by coherent synchrotron radiation in the beam-transport line (BT), the effect of quadrupole wake fields in the injector linac, and, finally, a single-bunch head-tail ion effect that can occur in both the DR and the BT. A first attempt to measure the quadrupole wake on the real machine is also reported

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