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ESPPU INPUT: C$^3$ within the "Linear Collider Vision"

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arxiv 2503.20829 v2 pith:VI7BXHP2 submitted 2025-03-26 physics.acc-ph

classification physics.acc-ph
keywords colliderlinearvisionfutureinputreachunderaccelerator
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

The Linear Collider Vision calls for a Linear Collider Facility with a physics reach from a Higgs Factory to the TeV-scale with $e^+e^{-}$ collisions. One of the technologies under consideration for the accelerator is a cold-copper distributed-coupling linac capable of achieving high gradient. This technology is being pursued by the C$^3$ collaboration to understand its applicability to future colliders and broader scientific applications. In this input we share the baseline parameters for a C$^3$ Higgs-factory and the energy reach of up to 3 TeV in the 33 km tunnel foreseen under the Linear Collider Vision. Recent results, near-term plans and future R\&D needs are highlighted.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Low Level RF and Timing System Design for the Cool Copper Collider

    physics.acc-ph 2026-06 unverdicted novelty 5.0 of 10

    Design and prototype testing of an RFSoC-based LLRF system with direct sampling for stabilizing RF fields in the C3 collider cavities.

  2. Low Level RF and Timing System Design for the Cool Copper Collider

    physics.acc-ph 2026-06 conditional novelty 4.0 of 10

    A single-chip RFSoC-based LLRF directly sampled and synthesized C-band RF, drove a C3 prototype structure at 16.45 MW, and demonstrated pulse-train and phase-reversal modulation schemes.

  3. High-power Test and System Integration of Direct RF Sampling Based LLRF Control and Monitoring System for S-Band Accelerating Structures

    physics.acc-ph 2026-04 conditional novelty 4.0 of 10

    Open-loop integration of S-band NG-LLRF with a custom SSA yields amplitude fluctuations of 0.067–0.190% and phase of 0.048–0.085° over 120 pulses, near accelerator requirements.

  4. Next generation direct RF sampling LLRF control and monitoring system for linear accelerators

    physics.acc-ph 2025-09 conditional novelty 4.0 of 10

    A direct-sampling RFSoC LLRF system shows low phase jitter in high-power tests on S- and C-band accelerator structures, though closed-loop feedback remains under development.

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