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Positron plasma diagnostics and temperature control for antihydrogen production

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arxiv physics/0307151 v1 pith:4K5MTSKB submitted 2003-07-30 physics.plasm-ph hep-exnucl-ex

Positron plasma diagnostics and temperature control for antihydrogen production

classification physics.plasm-ph hep-exnucl-ex
keywords plasmaantihydrogenpositronproductiontemperaturecontroldensityanalysis
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Production of antihydrogen atoms by mixing antiprotons with a cold, confined, positron plasma depends critically on parameters such as the plasma density and temperature. We discuss non-destructive measurements, based on a novel, real-time analysis of excited, low-order plasma modes, that provide comprehensive characterization of the positron plasma in the ATHENA antihydrogen apparatus. The plasma length, radius, density, and total particle number are obtained. Measurement and control of plasma temperature variations, and the application to antihydrogen production experiments are discussed.

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