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A 75-keV, 145-mA PROTON INJECTOR

J.D. Sherman, Terry L. Figueroa

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Abstract

A dc and pulsed-mode 75-keV proton injector has been developed and is used in characterization of a continuous-wave (cw) 6.7-MeV, 100-mA radio-frequency quadrupole (RFQ).The injector is used frequently at the full RFQ design power (100-mA, 6.7-MeV) where the RFQ admittance (1rms, normalized) is 0.23 (pmm-mrad).The injector includes a 2.45-GHz microwave proton source and a beam space-charge-neutralized, two magnetic-solenoid, low-energy beam-transport system (LEBT).The design RFQ beam transmission of 95% has been demonstrated at 100-mA RFQ output current.

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What this paper is about

A dc and pulsed-mode 75-keV proton injector has been developed and is used in characterization of a continuous-wave (cw) 6.7-MeV, 100-mA radio-frequency quadrupole (RFQ).The injector is used frequently at the full RFQ design power (100-mA, 6.7-MeV) where the RFQ admittance (1rms, normalized) is 0.23 (pmm-mrad).The injector includes a 2.45-GHz microwave proton source and a beam space-charge-neutralized, two magnetic-solenoid, low-energy beam-transport system (LEBT).The design RFQ beam transmission of 95% has been demonstrated at 100-mA RFQ output current.

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Available abstract

A dc and pulsed-mode 75-keV proton injector has been developed and is used in characterization of a continuous-wave (cw) 6.7-MeV, 100-mA radio-frequency quadrupole (RFQ).The injector is used frequently at the full RFQ design power (100-mA, 6.7-MeV) where the RFQ admittance (1rms, normalized) is 0.23 (pmm-mrad).The injector includes a 2.45-GHz microwave proton source and a beam space-charge-neutralized, two magnetic-solenoid, low-energy beam-transport system (LEBT).The design RFQ beam transmission of 95% has been demonstrated at 100-mA RFQ output current.

Key concepts: Injector, Radio-frequency quadrupole, Beam (structure), Physics, Nuclear physics, Solenoid, Proton, Microwave

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