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Dive into the research topics where Christopher S. Hopper is active.

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Featured researches published by Christopher S. Hopper.


17th International Conference on RF Superconductivity (SRF2015), Whistler, BC, Canada, Sept. 13-18, 2015 | 2015

Development and Testing of a 325 MHz beta0 = 0.82 Single-Spoke Cavity

Christopher S. Hopper; Jean Delayen; HyeKyoung Park

A single-spoke cavity operating at 325 MHz with optimum beta of 0.82 has been developed and tested. Initial results showed high levels of field emission which limited the achievable gradient. Several rounds of helium processing significantly improved the cavity performance. Here we discuss the development process and report on the improved results.


Physical Review Special Topics-accelerators and Beams | 2013

Superconducting spoke cavities for high-velocity applications

Christopher S. Hopper; Jean Delayen


Archive | 2011

DESIGN OF SUPERCONDUCTING SPOKE CAVITIES FOR HIGH- VELOCITY APPLICATIONS

Jean Delayen; S. U. De Silva; Christopher S. Hopper


Archive | 2012

Multipole Expansion of the Fields in Superconducting High-Velocity Spoke Cavities

R.G.Olave; Jean Delayen; Christopher S. Hopper


Archive | 2012

Multipacting Analysis of High-Velocity Superconducting Spoke Resonators

Christopher S. Hopper; Jean Delayen


Archive | 2014

CRYOGENIC TESTING OF HIGH-VELOCITY SPOKE CAVITIES ∗

Christopher S. Hopper; Jean Delayen; HyeKyoung Park


17th International Conference on RF Superconductivity (SRF2015), Whistler, BC, Canada, Sept. 13-18, 2015 | 2015

High-Velocity Spoke Cavities

Christopher S. Hopper; HyeKyoung Park


Bulletin of the American Physical Society | 2014

Superconducting Spoke Cavities for High-Velocity Applications

Christopher S. Hopper; Jean Delayen


SRF 2013 (RF Superconductivity), Paris (France), 23-27 Sep 2013 | 2013

Characterization and Fabrication of Spoke Cavities for High-Velocity Applications

Christopher S. Hopper; HyeKyoung Park; Jean Delayen


North American Particle Accelerator Conference (PAC13), 29 Sep - 4 Oct 2013. Pasadena, CA | 2013

Geometry Effects on Multipole Components and Beam Optics in High-Velocity Multi-Spoke Cavities

Christopher S. Hopper; Kirsten Deitrick; Jean Delayen

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Jean Delayen

Thomas Jefferson National Accelerator Facility

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S. U. De Silva

Thomas Jefferson National Accelerator Facility

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Rocio Olave

Old Dominion University

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