Plasma and Fusion Research
Online ISSN : 1880-6821
ISSN-L : 1880-6821
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Development of Compton X-Ray Spectrometer for Fast Ignition Experiment
Sadaoki KOJIMAYasunobu ARIKAWATakahito IKENOUCHITakahiro NAGAIYuki ABEShouhei SAKATAHiroaki INOUETakuya NAMIMOTOShinsuke FUJIOKAMitsuo NAKAIHiroyuki SHIRAGAGEKKO-XII&LFEX TeamTetsuo OZAKIMakoto R. ASAKAWARyukou KATOHiroshi AZECHI
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2014 Volume 9 Pages 4405109

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Abstract

In the context of Fast Ignition, the fast electron temperature is a key parameter to determine the laser-to-fast electron energy conversion efficiency. Bremsstrahlung X-ray (γ-ray) emission represents an attractive alternative to measure this fundamental parameter. In this study, a single-shot high-energy γ-ray spectrometer with sensitivity ranging from 0.5 MeV to 7 MeV was developed, allowing to estimate the γ-ray spectrum in the fast ignition.

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© 2014 by The Japan Society of Plasma Science and Nuclear Fusion Research
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