Method for maximizing the brightness of the bunches in a particle injector by converting a highly space-charged beam to a relativistic and emittance-dominated beam
A method for maximizing the brightness of the bunches in a particle injector by converting a highly space-charged beam to a relativistic and emittance-dominated beam. The method includes 1) determining the bunch charge and the initial kinetic energy of the highly space-charge dominated input beam; 2) applying the bunch charge and initial kinetic energy properties of the highly space-charge dominated input beam to determine the number of accelerator cavities required to accelerate the bunches to relativistic speed; 3) providing the required number of accelerator cavities; and 4) setting the gradient of the radio frequency (RF) cavities; and 5) operating the phase of the accelerator cavities between -90 and zero degrees of the sinusoid of phase to simultaneously accelerate and bunch the charged particles to maximize brightness, and until the beam is relativistic and emittance-dominated.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-06OR23177
- Assignee:
- JEFFERSON SCIENCE ASSOCIATES, LLC (Newport News, VA)
- Patent Number(s):
- 9,408,289
- Application Number:
- 14/638,319
- OSTI ID:
- 1279743
- Resource Relation:
- Patent File Date: 2015 Mar 04
- Country of Publication:
- United States
- Language:
- English
Similar Records
Compensation For Bunch Emittance In A Magnetization And Space Charge Dominated Beam
Demonstration of cathode emittance dominated high bunch charge beams in a DC gun-based photoinjector