C$^3$: A "Cool" Route to the Higgs Boson and Beyond
Mei Bai, Tim Barklow, Rainer Bartoldus, Martin Breidenbach, Philippe, Grenier, Zhirong Huang, Michael Kagan, John Lewellen, Zenghai Li, Thomas W., Markiewicz, Emilio A. Nanni, Mamdouh Nasr, Cho-Kuen Ng, Marco Oriunno,, Michael E. Peskin, Thomas G. Rizzo, James Rosenzweig

TL;DR
This paper proposes a compact, efficient cold copper accelerator technology enabling rapid, precise Higgs boson studies and potential multi-TeV energy physics, with a clear R&D roadmap.
Contribution
It introduces a novel cold copper distributed coupling accelerator design that significantly advances accelerator efficiency and compactness for Higgs and high-energy physics.
Findings
Design achieves high efficiency and gradient in a compact 8 km footprint.
Enables precision Higgs physics and multi-TeV energy collider capabilities.
Outlines a near-term R&D program to develop this technology.
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 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.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Particle Accelerators and Free-Electron Lasers · Particle Detector Development and Performance
