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Current intense positron beams at the North Carolina State University PULSTAR reactor and Argonne National Laboratories
B.L. Brown
451 - 461
10.3254/978-1-60750-647-8-451
Proceedings of the International School of Physics "Enrico Fermi"
Volume 174: Physics with Many Positrons
Abstract

Two different positron beam projects in the United States are outlined here. The North Carolina State University (NCSU) slow-positron beam is built on a 1 MW PULSTAR reactor and can sustain a stable beam of 6×108 slow positrons per second over a 3 cm diameter. The Argonne National Laboratory Slow-Positron source (APosS), based on a 12–20 MeV electron linac accelerator, can create a beam of 3×107 slow positrons per second over a few mm diameter. Both the NCSU beam and the APosS rates can plausibly be increased by more than an order of magnitude with planned improvements.

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