STUDY ON THE SINGLE BUNCH TRANSVERSE EMITTANCE GROWTH
Jie Gao, D. Wang
Abstract
Jie Gao, D. Wang
Abstract
In order to explore how small the transverse emittance we can get on BAPS, this paper studies the single bunch transverse emittance growth due to short range wakefield according to J. Gao’ theory. The mechanism of wakefield induced single bunch emittance is explained first and then the transverse emittance at the design beam current is estimated. Also, the tolerances for the beam current, the transverse loss factor and the vacuum chamber misalignment (or the closed orbit distortion) are presented.
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In order to explore how small the transverse emittance we can get on BAPS, this paper studies the single bunch transverse emittance growth due to short range wakefield according to J. Gao’ theory. The mechanism of wakefield induced single bunch emittance is explained first and then the transverse emittance at the design beam current is estimated. Also, the tolerances for the beam current, the transverse loss factor and the vacuum chamber misalignment (or the closed orbit distortion) are presented.
Key concepts: Thermal emittance, Transverse plane, Physics, Beam (structure), Distortion (music), Optics, Current (fluid), Engineering