-- RamonaValenzuelaPerez - 2014-06-19

Proton Detector: Charged Fusion Products Diagnostic

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Proton Detector (PD) Design for NSTX-U

The Proton Detector is a charged fusion products diagnostic developed to study MHD instabilities. Using similar techniques that were implemented to directly measure these fast ions in conventional tokamaks, the PD is the first diagnostic to directly measure 3MeV protons from deuterium-deuterium (DD) fusion reactions in a spherical tokamak. Advantages to this system design, created to study fast ions, include the size (rough estimate: smaller than a 2L soda bottle), cost, and energy resolution.

The first PD 4-channel system was installed in the Mega Amp Spherical Tokamak at the Culham Centre for Fusion Energy. This next design, a 6-channel system, will be optimized to study fast ions in the National Spherical Torus Experiment Upgrade (NTSX-U) at the Princeton Plasma Physics Laboratory (PPPL).

More information coming in the Fall of 2014.


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Topic revision: r1 - 2014-06-19 - lc_2eramona
 
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