ILC Positron Production Target Simulation
V. Gharibyan
TL;DR
This paper presents an optimized simulation of a photon-positron conversion target for polarized positron sources, achieving high polarization levels through specific tungsten target configurations.
Contribution
It introduces a modified GEANT-3 simulation incorporating spin transfer, optimizing target parameters for enhanced positron polarization.
Findings
Achieved around 0.75 polarization with tungsten targets
Optimized target thickness for undulator and laser cases
Demonstrated effective spin transfer simulation
Abstract
A photon-positron conversion target of the undulator or laser based polarized positron source is optimized using a modified GEANT-3 program adapted to count the spin transfer. High intensity positron beam with around 0.75 polarisation could be achieved choosing tungsten conversion target of 0.3 and 0.7 radiation lengths for the undulator and laser case respectively.
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Taxonomy
TopicsMuon and positron interactions and applications · Particle accelerators and beam dynamics