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Description
A 10 TeV center-of-mass muon collider is a high-energy lepton collider that has the potential to achieve physics reach comparable to much larger hadron colliders. The final luminosity depends on the performance of the entire complex, from muon beam production to the collider ring, including the rapid cooling and acceleration stages. Achieving the target luminosity imposes stringent constraints on the ionization cooling and the collider optics, such as extremely small betatron functions at the interaction points, which induce strong chromatic effects that ultimately limit the machine momentum acceptance. To meet the momentum acceptance requirements without significant luminosity loss, one possible strategy is to end the muon cooling stage earlier, since a reduction of the longitudinal emittance can be traded against larger transverse emittances with a shorter cooling system. The design and performance of the ionization cooling channel thus have a strong impact on the achievable luminosity. A study of a common optimization of the ionization cooling and the collider ring design to maximize the luminosity is presented in this work.
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