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Title: Cryogenic Test of a 750 MHz Superconducting RF Dipole Crabbing Cavity

A superconducting rf dipole cavity has been designed to address the challenges of a high repetition rate (750 MHz), high current for both electron/ion species (0.5/3 A per bunch), and large crossing angle (50 mrad) at the interaction points (IPs) crabbing system for the Medium Energy Electron-Ion Collider (MEIC) proposed by Jefferson Lab. The cavity prototype built at Niowave, Inc. has been tested at the Jefferson Lab facilities. In this work we present a detailed analysis of the prototype cavity performance at 4 K and 2 K, corroborating the absence of hard multipacting barriers that could limit the desired transverse fields, along with the surface resistance (Rs) temperature dependency.
 [1] ;  [2] ;  [3]
  1. ODU
  2. ODU, JLAB
  3. JLAB
Publication Date:
OSTI Identifier:
Report Number(s):
JLAB-ACP-14-1754; DOE/OR/23177-3240
DOE Contract Number:
AC05-06OR23177; AC02-05CH11231
Resource Type:
Resource Relation:
Conference: IPAC' 14, June 15-20, 2014, Dresden, Germany
Research Org:
Thomas Jefferson National Accelerator Facility, Newport News, VA (United States)
Sponsoring Org:
USDOE Office of Science (SC)
Country of Publication:
United States