A Feasibility Study of an e+e- Ring Collider for Higgs Factory
Abstract
A ring-based Higgs factory with a center-of-mass energy of 240 GeV residing in the existing LEP tunnel is studied at a level of concrete lattice. We found that low-emittance lattice is essential to mitigate the effect of beamstrahlung on the beam lifetime. To achieve a luminosity of 1.0×1034 cm-2 s-1, we simplified final focusing system and improved its momentum aperture by a factor of 5 to 2.5%.
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