ESS Docs Document 340-v1

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Measurement and Control of Charged Par3cle Beams in the Rela3vis3c Heavy Ion Collider

Document #:
ESS-doc-340-v1
Document type:
Presentation Slides
Submitted by:
Georg Hulla
Updated by:
Georg Hulla
Document Created:
28 Oct 2014, 17:33
Contents Revised:
28 Oct 2014, 17:33
DB Info Revised:
28 Oct 2014, 17:33
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Abstract:
The RHIC physics programs rely on par5cle beams of exquisite quality. For high luminosity this means maximizing the beam intensi5es and ensuring that the bunches of par5cles comprising the beams are as small and dense as possible. For experiments with polarized protons, the beamís polariza5on must also be preserved. Within the past few years the quality of RHIC beams has been improved significantly. Precision measurements of the beamís proper5es have allowed for applica5on of mul5ple beam-based feedback loops during accelera5on to full energies and in prepara5on for the colliding beam experiments. In this presenta5on we mo5vate the need for feedback-based beam control, the major changes implemented for improved resolu5on, describe briefly each feedback and present experimental results including those from an ul5mately challenging requirement involving accelera5on and decelera5on of par5cle beams with a full suite of orbit, tune, coupling and chroma5city feedback. Lastly we describe the benefits to the experimental programs resul5ng from these developments.
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Keywords:
RHIC
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