Work

3.5-cell large grain niobium superconducting cavity for a dc superconducting rf photoinjector

Year: 2010

Type: article

Abstract: We have developed a new compact high average current dc superconducting rf (DC-SRF) photoinjector. A 3.5-cell superconducting cavity with a mid-beta structure is the key component of the DC-SRF photoinjector. Herein, we present the new design, fabrication, and vertical test results of the 3.5-cell large grain niobium superconducting cavity. After preliminary surface preparation and room temperature rf measurements, the cavity was sent to Jefferson Lab for a vertical cold test. The gradient of the cavity reaches $23.5\text{ }\text{ }\mathrm{MV}/\mathrm{m}$, and the ${Q}_{0}$ value is higher than $1.2\ifmmode\times\else\texttimes\fi{}{10}^{10}$. The high-quality 3.5-cell cavity will guarantee the good performance of the DC-SRF photoinjector.

Source: Physical Review Special Topics - Accelerators and Beams

DOI: 10.1103/physrevstab.13.042001

Authors: Shengwen Quan, Feng Zhu, Jiankui Hao, Xiangyang Lu, Baocheng Zhang, Wencan Xu, Kui Zhao

Institutions: Peking University, State Key Laboratory of Nuclear Physics and Technology

Language: English

Topic: Particle accelerators and beam dynamics

Subfield: Aerospace Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: diamond

Funders: Harbin Institute of Technology, Major State Basic Research Development Program of China, Thomas Jefferson National Accelerator Facility

OpenAlex ID: W2011096507

FWCI: 1.877

Cites: 3

Cited by: 17

Related to: 10