Microbunched electron cooling with amplification cascades

Microbunched electron cooling is a promising cooling technique that can find applications in future hadron and electron-ion colliders to counteract intrabeam scattering that limits the maximum achievable luminosity of the collider. To minimize the cooling time, one would use amplification cascades c...

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Bibliographic Details
Published in:Physical review. Accelerators and beams 2019-03, Vol.22 (3), p.034401, Article 034401
Main Authors: Stupakov, G., Baxevanis, P.
Format: Article
Language:English
Subjects:
Amplification
Cascades
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Cooling
Cooling rate
Electrons
Hadrons
Luminosity
Mathematical models
One dimensional models
PARTICLE ACCELERATORS
Particle beams
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Summary:Microbunched electron cooling is a promising cooling technique that can find applications in future hadron and electron-ion colliders to counteract intrabeam scattering that limits the maximum achievable luminosity of the collider. To minimize the cooling time, one would use amplification cascades consisting of a drift section followed by a magnetic chicane. In this paper, we first derive and optimize the gain factor in an amplification section for a simplified one-dimensional model of the beam. We then deduce the cooling rate of a system with one and two amplification cascades. We also analyze the noise effects that counteract the cooling process through the energy diffusion in the hadron beam. Our analytical formulas are confirmed by numerical simulations for a set of model parameters.
ISSN:2469-9888
2469-9888
DOI:10.1103/PhysRevAccelBeams.22.034401