C${}^3$: A "Cool" Route to the Higgs Boson and Beyond

Abstract

We present a proposal for a cold copper distributed coupling accelerator that can provide a rapid route to precision Higgs physics with a compact 8 km footprint. This proposal is based on recent advances that increase the efficiency and operating gradient of a normal conducting accelerator. This technology also provides an $e^{+}{e}^{-}$ collider path to physics at multi-TeV energies. In this article, we describe our vision for this technology and the near-term R&D program needed to pursue it.

34 pages, 8 figures, Contribution to Snowmass 2021. The editors can be contacted at the following addresses: [email protected], [email protected], [email protected], [email protected]

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