Lattice Design and Dynamic Aperture Studies for the FCC-ee Top-Up Booster Synchrotron

Haerer, B.; Tydecks, Tobias

doi:10.48550/arxiv.2111.14462

Cited by 1 publication

(3 citation statements)

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“…This also simplifies installation. The baseline optics is based on FODO cells with a length of about 52 m. We use different phase advances 60°for the Z and W mode operation, and 90°for the H and ttbar mode operation, as reported in [1]. The long straight sections are used to change the overall tune of the lattice.…”

Section: Optics Optionsmentioning

confidence: 99%

“…[8] and a linear energy ramp. considered: adding a damping wiggler to increase the synchrotron radiation integral 𝐼 2 , which consequently reduces the damping time at 20 GeV [1]; adding 2 seconds at the extraction energy.…”

Section: Booster Cycle Time and Emittancesmentioning

confidence: 99%

“…The lifetime is even shorter in the case of four experiments. One of the issues is that the collision energy (and thus the final energy in the booster) depends on the physics case [1]. The optimum optics for a particular case may be different from another.…”

Section: Introductionmentioning

confidence: 99%

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Status of the High Energy Booster of the lepton option of the future circular collider

Dalena¹,

CHANCE²,

Raubenheimer³

et al. 2022

Proceedings of 41st International Conference on High Energy Physics — PoS(ICHEP2022)

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In the context of the FCC IS European study, which investigates the feasibility of a 100 km circular 𝑒 + 𝑒 − collider for the future high-energy physics research, we present the design status of the High Energy Booster (HEB) ring. In order to perform precision measurements of the Z, W and H bosons, as well as of the top quark, unprecedented luminosities are required. To reach this goal and to fill the collider, it is mandatory to continuously top-up inject some beam with emittances comparable to those in the collider, so as to maintain an intensity difference between colliding electron and positron bunches below a few %. The main challenges of the HEB design are achieving the collider equilibrium emittances with a fast cycle, and determining the minimum booster injection energy allowing for stable operation. We present the status of the optics design of the HEB, taking into account the above challenges, and the impact of magnetic field imperfections on the dynamic aperture at injection.

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Section: Optics Optionsmentioning

confidence: 99%

Section: Booster Cycle Time and Emittancesmentioning

confidence: 99%