Using Beam Echo to Recover Transverse Emittance | Zendy

Gennady Stupakov | Zendy

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Using Beam Echo to Recover Transverse Emittance

Author(s) -

Gennady Stupakov

Publication year - 2002

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.177

H-Index - 75

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.1522630

Subject(s) - thermal emittance , betatron , oscillation (cell signaling) , beam (structure) , transverse plane , physics , offset (computer science) , beam emittance , echo (communications protocol) , optics , engineering , computer science , computer network , structural engineering , biology , genetics , programming language

If a beam is injected into the ring with an offset a, it undergoes betatron oscillation. After the oscillation decoheres, the beam transverse emittance increases by Δe. To avoid this emittance increase one typically uses a feedback (damper) that takes out the oscillation before it damps down. We show that using echo one can recover a fraction of Δe long after the beam oscillation decoheres.

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