What question did this study set out to answer?

The research focuses on the design and performance measurement of a low emittance electron gun for the LISA project.

March 5, 2026Open Access

COMMISSIONING AND PERFORMANCE of A LOW EMITTANCE, LONG PULSE ELECTRON GUN FOR THE SC LINAC LISA

CMCastellano M CNCavallo N.CFCevenini F.

Key Points

The research focuses on the design and performance measurement of a low emittance electron gun for the LISA project.
Designed a superconducting linear accelerator (LISA)
Constructed a 25 MeV electron gun capable of 200 mA dc at 100 kV
Measured the normalized emittance during operation
Achieved a normalized emittance of less than 10^-5 m rad
Successfully produced a continuous electron beam of 200 mA dc
Demonstrated effective performance of the electron gun in operational conditions

Abstract

A 25 MeV superconducting linear accelerator (LISA) is in construction in the Frascati INFN Laboratories. Here we describe the design and measured performances of the electron gun, that can deliver 200 mA dc at 100 kV with normalized emittance of less than 10-5 m rad.

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