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Detection of charged particles with charge injection devices
Kurtis A Fletcher1, Benjamin Apker, Samantha Hammond
1Department of Physics and Astronomy, SUNY Geneseo, 1 College Circle, Geneseo, NY 14454, USA.
The Review of Scientific Instruments
|July 7, 2007
Summary
Charge injection devices (CIDs) efficiently detect high-energy charged particles from fusion reactions. Aluminum foils optimize detection by managing particle energy for CID cameras.
Area of Science:
- Nuclear Physics
- Plasma Physics
- Particle Detection
Background:
- Inertial-confinement fusion (ICF) reactions produce high-energy charged particles.
- Detecting these particles is crucial for understanding fusion processes.
- Charge Injection Devices (CIDs) offer a potential detection method.
Purpose of the Study:
- To describe a method for using CIDs to detect charged particles from ICF.
- To evaluate the efficiency of CIDs for fusion product detection.
- To address the challenge of CID's limited depletion depth.
Main Methods:
- Utilizing Charge Injection Devices (CIDs) for particle detection.
- Employing aluminum foils to reduce charged particle energy before detection.
- Conducting simultaneous measurements with CIDs and surface barrier detectors.
- Testing with alpha particles from a radium-226 source.
Main Results:
- CIDs demonstrated efficiency in detecting charged fusion products.
- Aluminum foils effectively managed particle energy for CID detection.
- Simultaneous measurements confirmed CID performance against a standard detector.
- Successful tests with high-energy alpha particles were reported.
Conclusions:
- CIDs are effective detectors for charged particles in fusion research.
- The described method, including energy management with foils, enhances CID utility.
- CID technology shows promise for diagnosing ICF experiments.
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