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Extended performance gas Cherenkov detector for gamma-ray detection in high-energy density experiments.
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.
Affiliation
  • Herrmann HW; Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA.
  • Kim YH; Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA.
  • Young CS; Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA.
  • Fatherley VE; Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA.
  • Lopez FE; Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA.
  • Oertel JA; Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA.
  • Malone RM; National Security Technologies, LLC, Los Alamos, New Mexico 87544, USA.
  • Rubery MS; Atomic Weapons Establishment, Aldermaston, Berkshire RG7 4PR, United Kingdom.
  • Horsfield CJ; Atomic Weapons Establishment, Aldermaston, Berkshire RG7 4PR, United Kingdom.
  • Stoeffl W; Lawrence Livermore National Laboratory, Livermore, California 94550, USA.
  • Zylstra AB; Plasma Science and Fusion Center, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
  • Shmayda WT; Laboratory for Laser Energetics, Rochester, New York 14623, USA.
  • Batha SH; Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA.
Rev Sci Instrum ; 85(11): 11E124, 2014 Nov.
Article in En | MEDLINE | ID: mdl-25430303
ABSTRACT
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.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Type of study: Diagnostic_studies Language: En Journal: Rev Sci Instrum Year: 2014 Document type: Article Affiliation country: Estados Unidos
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Full text: 1 Collection: 01-internacional Database: MEDLINE Type of study: Diagnostic_studies Language: En Journal: Rev Sci Instrum Year: 2014 Document type: Article Affiliation country: Estados Unidos