Liam - A Linear Induction Accelerator Model

H BRAND,G CAPORASO,D LAGER,F COFFIELD,F CHAMBERS

CONFERENCE RECORD OF THE 1991 IEEE PARTICLE ACCELERATOR CONFERENCE, VOLS 1-5 ACCELERATOR SCIENCE AND TECHNOLOGY（1991）

lawrence livermore national laboratory

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摘要

A flexible linear induction accelerator model (LIAM) was developed to predict both beam centroid position and the beam envelope. LIAM requires on-axis magnetic profiles and is designed to easily handle overlapping fields from multiple elements. Currently, LIAM includes solenoids, dipole steering magnets, and accelerating gaps. Other magnetic elements can be easily incorporated into LIAM due to its object-oriented design. LIAM is written in the C programming language and computes fast enough on current workstations to be used in the control room as a tuning and diagnostic aid. Combined with a non-linear least squares package, LIAM has been used to estimate beam energy at various locations within the ETA-II accelerator.<>

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collective accelerators,particle beam diagnostics,physics computing,C programming language,ETA-II accelerator,LIAM,accelerating gaps,beam centroid position,beam energy,beam envelope,diagnostic aid,dipole steering magnets,linear induction accelerator model,on-axis magnetic profiles,overlapping fields,solenoids,tuning aid