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A camera for imaging hard x-rays from suprathermal electrons during lower hybrid current drive on PBX-M

Technical Report ·
DOI:https://doi.org/10.2172/6072301· OSTI ID:6072301
; ; ; ; ; ; ; ; ;  [1]; ;  [2];  [3];
  1. Princeton Univ., NJ (United States). Plasma Physics Lab.
  2. Massachusetts Inst. of Tech., Cambridge, MA (United States). Plasma Fusion Center
  3. Hungarian Academy of Sciences, Budapest (Hungary). Central Research Inst. for Physics
+ Show Author Affiliations
During lower hybrid current drive (LHCD), suprathermal electrons are generated that emit hard X-ray bremsstrahlung. A pinhole camera has been installed on the PBX-M tokamak that records 128 [times] 128 pixel images of the bremsstrahlung with a 3 ms time resolution. This camera has identified hollow radiation profiles on PBX-M, indicating off-axis current drive. The detector is a 9in. dia. intensifier. A detailed account of the construction of the Hard X-ray Camera, its operation, and its performance is given.
Research Organization:
Princeton Univ., NJ (United States). Plasma Physics Lab.
Sponsoring Organization:
DOE; USDOE, Washington, DC (United States)
DOE Contract Number:
AC02-76CH03073
OSTI ID:
6072301
Report Number(s):
PPPL-2909; ON: DE93014599
Country of Publication:
United States
Language:
English

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Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700320* -- Plasma Diagnostic Techniques & Instrumentation-- (1992-)
700350 -- Plasma Production
Heating
Current Drive
& Interactions-- (1992-)
BREMSSTRAHLUNG
CAMERAS
CLOSED PLASMA DEVICES
COMPACT IGNITION TOKAMAK
DETECTION
ELECTROMAGNETIC RADIATION
ELECTRONS
ELEMENTARY PARTICLES
FERMIONS
LEPTONS
LOWER HYBRID CURRENT DRIVE
NON-INDUCTIVE CURRENT DRIVE
PLASMA DIAGNOSTICS
RADIATION DETECTION
RADIATIONS
RESOLUTION
THERMONUCLEAR DEVICES
THERMONUCLEAR REACTORS
TIME RESOLUTION
TIMING PROPERTIES
TOKAMAK DEVICES
TOKAMAK TYPE REACTORS
X-RAY DETECTION