Improved calibration of the OMEGA gas Cherenkov detector

Zylstra, A. B.; Herrmann, H. W.; Kim, Y. H.; McEvoy, A.; Meaney, K.; Glebov, V. Yu.; Forrest, C.; Rubery, M.

doi:10.1063/1.5128765

Title: Improved calibration of the OMEGA gas Cherenkov detector

Journal Article · Tue Dec 10 00:00:00 EST 2019 · Review of Scientific Instruments

DOI:https://doi.org/10.1063/1.5128765· OSTI ID:1844067

^[1];

^[2]; Kim, Y. H. ^[2]; McEvoy, A. ^[2];

^[2]; Glebov, V. Yu. ^[3];

^[3]; Rubery, M. ^[4]

Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Univ. of Rochester, NY (United States)
Atomic Weapons Establishment (AWE), Reading (United Kingdom)

Inertial fusion implosions are diagnosed using γ rays to characterize the implosion physics or measure basic nuclear properties, including cross sections. For the latter, previously reported measurements at laser facilities using gas Cherenkov detectors are limited by a large systematic uncertainty in the detector response. We present a novel in situ calibration technique using neutron inelastic scattering, which we apply to the new GCD-3 detector. In this work, the calibration accuracy is improved by ~3× over the previous method.

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Research Organization:: Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Fusion Energy Sciences (FES)

Grant/Contract Number:: AC52-07NA27344; AC52-06NA25396; SCW1658; AC52-06NA52396

OSTI ID:: 1844067

Alternate ID(s):: OSTI ID: 1577915

Report Number(s):: LLNL-JRNL-789979; 986247; TRN: US2302325

Journal Information:: Review of Scientific Instruments, Vol. 90, Issue 12; ISSN 0034-6748

Publisher:: American Institute of Physics (AIP)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 6 works

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References (19)

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