Beams Document 3098-v1

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Progress with the Digital Tune Monitor at the Tevatron

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Vsevolod Kamerdzhiev
Updated by:
Vsevolod Kamerdzhiev
Document Created:
21 May 2008, 15:20
Contents Revised:
21 May 2008, 15:20
DB Info Revised:
21 May 2008, 15:28
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Monitoring the betatron tunes of individual proton and antiproton bunches is crucial to understanding and mitigating the beam-beam effects in the Tevatron collider. To obtain a snapshot of the evolving bunch-by-bunch tune distribution a simultaneous treatment of all the bunches is needed. The digital tune monitor (DTM) was designed to fulfill these requirements. It uses a standard BPM as a pickup. The vertical proton monitor is installed and allows us to gain valuable operational experience. A major upgrade is underway to implement an automatic bunch-by-bunch gain and offset adjustment to maintain the highest possible sensitivity under real operational conditions. We present the concept of the DTM along with its technical realization as well as the latest experimental results. Major challenges from the design and operation point of view are discussed.
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The Fermilab conference report number is FERMILAB-CONF-08-139-AD-APC
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