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| WEAZ04 |
Beam-Induced Damage to the Tevatron Components and What Has Been Done About It
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205 |
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- N. V. Mokhov, P. Czarapata, A. I. Drozhdin, D. Still
Fermilab, Batavia, Illinois
- V. Samulyak
BNL, Upton, Long Island, New York
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The Tevatron collimators and magnets were damaged and two thirds of the superconducting ring were quenched on December 5, 2003, induced by a failure in the CDF Roman Pot detector positioning at the end of a 2-TeV proton-antiproton colliding beam store. Analysis of a failure in the abort kicker AC distribution, and detailed modeling of a misbehaved beam dynamics, induced energy deposition and ablation process in the collimator material, have provided a good understanding of the event. The improvements to the detectors, Tevatron quench protection and beam loss monitor systems to avoid such an accident in the future are described.
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