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| THPLT042 |
Automated Orbit Control for the HERA ep Collider
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2571 |
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- S.W. Herb, P.K. Bartkiewicz, F. Brinker, J.M. Maass
DESY, Hamburg
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Successful operation of the HERA electron-proton collider requires maintaining stable orbits during the typically 12 hour luminosity runs, as well as during the fill and acceleration procedures. The primary sources of orbit errors for the electron ring are the interaction region magnets, whose support structures are integrated with the experimental detectors and susceptible to thermal and magnetic effects. The orbit correction algorithms are designed to correct these effects locally, while operating with somewhat reduced sensitivity on error sources in the rest of the ring. We describe the correction system and our operating experience.
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