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arXiv · 1203.0070

Prototyping of the ILC Baseline Positron Target

Jeff Gronberg·Craig Brooksby·Tom Piggott·Ryan Abbott·Jay Javedani·Ed Cook
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Abstract

The ILC positron system uses novel helical undulators to create a powerful photon beam from the main electron beam. This beam is passed through a titanium target to convert it into electron-positron pairs. The target is constructed as a 1 m diameter wheel spinning at 2000 RPM to smear the 1 ms ILC pulse train over 10 cm. A pulsed flux concentrating magnet is used to increase the positron capture efficiency. It is cooled to liquid nitrogen temperatures to maximize the flatness of the magnetic field over the 1 ms ILC pulse train. We report on prototyping effort on this system.

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Jeff Gronberg, Craig Brooksby, Tom Piggott, Ryan Abbott, Jay Javedani, Ed Cook. 2012-03-01. Prototyping of the ILC Baseline Positron Target. https://arxiv.org/abs/1203.0070

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