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Title: Preliminary Measurement of the Transfer Matrix of a TESLA-type Cavity at FAST

Superconducting linacs are capable of producing intense, ultra-stable, high-quality electron beams that have widespread application in Science and Industry. Many current and planned projects employ 1.3-GHz 9-cell superconducting cavities of the TESLA design*. In the present paper we discuss the transverse-focusing properties of such a cavity and non-ideal transverse-map effects introduced by field asymmetries in the vicinity of the input and high-order-mode radiofrequency (RF) couplers**. We especially consider the case of a cavity located downstream of an RF-gun in a setup similar to the photoinjector of the Fermilab Accelerator Science and Technology (FAST) facility. Preliminary experimental measurements of the CC2 cavity transverse matrix were carried out at the FAST facility. The results are discussed and compared with analytical and numerical simulations.
Authors:
 [1] ;  [2] ;  [2] ;  [2] ;  [1] ;  [2] ;  [2] ;  [2]
  1. NICADD, DeKalb
  2. Fermilab
Publication Date:
OSTI Identifier:
1289938
Report Number(s):
FERMILAB-CONF-16-214-APC
1469978
DOE Contract Number:
AC02-07CH11359
Resource Type:
Conference
Resource Relation:
Conference: 7th International Particle Accelerator Conference, Busan, Korea, 05/08-05/13/2016
Research Org:
Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
Sponsoring Org:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS