Extended performance gas Cherenkov detector for gamma-ray detection in high-energy density experimentsa
A new Gas Cherenkov Detector (GCD) with low-energy threshold and high sensitivity, currently known as Super GCD (or GCD-3 at OMEGA), is being developed for use at the OMEGA Laser Facility and the National Ignition Facility (NIF). Super GCD is designed to be pressurized to ≤400 psi (absolute) and use...
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| Veröffentlicht in: | Review of scientific instruments 2014-11, Vol.85 (11) |
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| creator | Herrmann, H W Kim, Y H Young, C S Fatherley, V E Lopez, F E Oertel, J A Malone, R M Rubery, M S Horsfield, C J Stoeffl, W Zylstra, A B Shmayda, W T Batha, S H |
| description | A new Gas Cherenkov Detector (GCD) with low-energy threshold and high sensitivity, currently known as Super GCD (or GCD-3 at OMEGA), is being developed for use at the OMEGA Laser Facility and the National Ignition Facility (NIF). Super GCD is designed to be pressurized to ≤400 psi (absolute) and uses all metal seals to allow the use of fluorinated gases inside the target chamber. This will allow the gamma energy threshold to be run as low at 1.8 MeV with 400 psi (absolute) of C2F6, opening up a new portion of the gamma ray spectrum. Super GCD operating at 20 cm from TCC will be ∼400 × more efficient at detecting DT fusion gammas at 16.7 MeV than the Gamma Reaction History diagnostic at NIF (GRH-6m) when operated at their minimum thresholds. |
| doi_str_mv | 10.1063/1.4892553 |
| format | Article |
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| language | eng |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Cerenkov counters Diagnostic systems Fluorination Flux density Gamma rays gamma rays, high-energy density physics gas Cerenkov detector INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY NIF Scientific apparatus & instruments |
| title | Extended performance gas Cherenkov detector for gamma-ray detection in high-energy density experimentsa |
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