Quench detection on a superconducting radio-frequency cavity

TL;DR

This paper develops a mathematical method to precisely locate quenches in superconducting RF cavities using data from a second sound detector, improving detection accuracy in accelerator technology.

Contribution

A rigorous formula is derived for localizing quench positions in superconducting cavities based on dynamical data, advancing quench detection techniques.

Findings

Derived a mathematical formula for quench localization

Validated the formula with experimental data

Enhanced detection precision in superconducting cavities

Abstract

We study quench detection in superconducting accelerator cavities cooled with He-II. A rigorous mathematical formula is derived to localize the quench position from dynamical data over a finite time interval at a second sound detector.