Main parameters of SppC-based “linac-ring eA” and “ring-ring µA” colliders

Abstract

Concerning future lepton-nucleus colliders, International Linear Collider (ILC) and Plasma Wake Field Accelerator-Linear Collider (PWFA-LC) electrons in the order of 0.5 TeV and 5 TeV, respectively, colliding with Super proton–proton Collider (SppC)’s lead ions, are considered as “linac-ring eA” options. In addition, the 1.5 TeV option of the Muon Collider (MC) vs. 208Pb82+ ions of the SppC is also taken into account as a “ring-ring µA” collider. Luminosity values of the SppC-based eA and µA colliders are estimated. 3075 TeV lead parameters for the 100 km-circumference option of the SppC are taken into account to optimize luminosities of electron–nucleus and muon–nucleus collisions, keeping beam–beam effects and disruption in mind. It is shown that luminosities around 1030 cm−2 s−1 and 1032 cm−2 s−1 for eA and µA colliders, respectively, can be achieved by moderate upgrades of lepton and nucleus beam parameters.