A Non-Interfering Beam Radius Diagnostic Suitable For Induction Linacs

High current electron induction linacs operate in a parameter regime that allows the use of a diamagnetic loop (DML) to measure the beam magnetic moment. Under certain easily met conditions the beam radius can be derived from the moment measurement. The DML has the advantage over the present methods...

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Bibliographic Details
Main Author: Nexsen, W E
Other Authors: United States. Department of Energy.
Format: Report
Language:English
Published: Lawrence Livermore National Laboratory 2005
Subjects:
Lawrence Livermore National Laboratory
Magnetic Moments
43 Particle Accelerators
42 Engineering
Beam Transport
Linear Accelerators
Electrons
Accelerators
Time Resolution
Induction
Eta
DML
Online Access:https://doi.org/10.2172/15020366
https://digital.library.unt.edu/ark:/67531/metadc1408276/
Description
Summary:High current electron induction linacs operate in a parameter regime that allows the use of a diamagnetic loop (DML) to measure the beam magnetic moment. Under certain easily met conditions the beam radius can be derived from the moment measurement. The DML has the advantage over the present methods of measuring beam radius in that it is an electrical measurement with good time resolution that does not interfere with the beam transport. I describe experiments on the LLNL accelerators, ETA-II and FXR that give confidence in the use of a DML as a beam diagnostic.

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