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Graduate Student Seminar - 11/09/2012

"Orbit Control of Beams with Space Charge in a Ring"

by Kamal Rezaei

Friday, November 9, 2012 -- 12:00 p.m.
Large Conference Room, 1207 Energy Research Facility

Advisors:  Res. Prof. Rami Kishek and Prof. Patrick O'Shea

Circular accelerators and storage rings are among the most efficient ways of accelerating beams. It is desirable to keep the beam in the ring for a longer period of time. To achieve this goal, the beam should be guided as close as possible along the axis of the ring-shaped pipe. This requires specific orbit measurement and optimization methods to be utilized for correcting the orbit. The forces between particles in a beam, called space charge forces, can affect the orbit control severely. Small research rings such as UMER are supposed to be configured for diverse beams with space charge varying over a large range. Such rings have constraints on the orbit measurement points and rely on relatively fewer numbers of orbit correctors as well. Therefore, knowing beam excursions out of measurement points is crucial to have a smooth orbit around the ring. In this talk, I will discuss a method for indirectly measuring beam orbit out of position measurement points.

For additional information about the IREAP Graduate Student Seminars, contact David Meichle.

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