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Title: Next Generation Gamma-Ray Cherenkov Detectors for the National Ignition Facility

Abstract

The newest generation of Gas Cherenkov Detector (GCD-3) employed in Inertial Confinement Fusion experiments at the Omega Laser Facility has provided improved performance over previous generations. Comparison of reaction histories measured using two different deuterium-tritium fusion products, namely gamma rays using GCD and neutrons using Neutron Temporal Diagnostic (NTD), have provided added credibility to both techniques. GCD-3 is now being brought to the National Ignition Facility (NIF) to supplement the existing Gamma Reaction History (GRH-6m) located 6 m from target chamber center (TCC). Initially it will be located in a reentrant well located 3.9 m from TCC. Data from GCD-3 will inform the design of a heavily-shielded “Super” GCD to be located as close as 20 cm from TCC. In conclusion, it will also provide a test-bed for faster optical detectors, potentially lowering the temporal resolution from the current ~100 ps state-of-the-art photomultiplier tubes (PMT) to ~10 ps Pulse Dilation PMT technology currently under development.

Authors:
ORCiD logo [1]; ORCiD logo [1];  [1]; ORCiD logo [1];  [1];  [1];  [1]; ORCiD logo [1];  [1];  [2];  [2];  [2];  [2];  [3];  [3];  [3];  [3];  [4];  [4];  [5] more »;  [6];  [7];  [8];  [8];  [1] « less
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  3. Atomic Weapons Establishment, Aldermaston, Berkshire (United Kingdom)
  4. General Atomics, San Diego, CA (United States)
  5. National Security Technologies, LLC. (NSTec), Los Alamos, NM (United States)
  6. Kentech Instruments LTD, Wallingford (United Kingdom)
  7. Photeck LTD, Hastings, St Leonards on Sea (United Kingdom)
  8. Univ. of Rochester, NY (United States). Lab. for Laser Energetics
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1414126
Alternate Identifier(s):
OSTI ID: 1424683
Report Number(s):
LA-UR-16-23956; LLNL-JRNL-737688
Journal ID: ISSN 0034-6748; TRN: US1800652
Grant/Contract Number:  
AC52-06NA25396; AC52-07NA27344
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Review of Scientific Instruments
Additional Journal Information:
Journal Volume: 87; Journal Issue: 11; Conference: High Temperature Plasma Diagnostics, Madison, WI (United States), 5-6 Jun 2016; Journal ID: ISSN 0034-6748
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; Plasma; Inertial Confinement Fusion; Gamma-ray; Gamma rays; Neutrons; Fusion reactions; Cherenkov detectors; Photomultipliers

Citation Formats

Herrmann, Hans W., Kim, Yong Ho, McEvoy, Aaron Matthew, Zylstra, Alex B., Young, Carlton S., Lopez, Frank Edward, Griego, Jeffrey Randall, Fatherley, Valerie E., Oertel, John A., Stoeffl, W., Khater, H., Hernandez, J.E., Carpenter, A., Rubery, M. S., Horsfield, C. J., Gales, S., Leatherland, A., Hilsabeck, T., Kilkenny, J. D., Malone, R. M., Hares, J. D., Milnes, J., Shmayda, W. T., Stoeckl, C., and Batha, Steven H. Next Generation Gamma-Ray Cherenkov Detectors for the National Ignition Facility. United States: N. p., 2016. Web. doi:10.1063/1.4962059.
Herrmann, Hans W., Kim, Yong Ho, McEvoy, Aaron Matthew, Zylstra, Alex B., Young, Carlton S., Lopez, Frank Edward, Griego, Jeffrey Randall, Fatherley, Valerie E., Oertel, John A., Stoeffl, W., Khater, H., Hernandez, J.E., Carpenter, A., Rubery, M. S., Horsfield, C. J., Gales, S., Leatherland, A., Hilsabeck, T., Kilkenny, J. D., Malone, R. M., Hares, J. D., Milnes, J., Shmayda, W. T., Stoeckl, C., & Batha, Steven H. Next Generation Gamma-Ray Cherenkov Detectors for the National Ignition Facility. United States. doi:10.1063/1.4962059.
Herrmann, Hans W., Kim, Yong Ho, McEvoy, Aaron Matthew, Zylstra, Alex B., Young, Carlton S., Lopez, Frank Edward, Griego, Jeffrey Randall, Fatherley, Valerie E., Oertel, John A., Stoeffl, W., Khater, H., Hernandez, J.E., Carpenter, A., Rubery, M. S., Horsfield, C. J., Gales, S., Leatherland, A., Hilsabeck, T., Kilkenny, J. D., Malone, R. M., Hares, J. D., Milnes, J., Shmayda, W. T., Stoeckl, C., and Batha, Steven H. Wed . "Next Generation Gamma-Ray Cherenkov Detectors for the National Ignition Facility". United States. doi:10.1063/1.4962059. https://www.osti.gov/servlets/purl/1414126.
@article{osti_1414126,
title = {Next Generation Gamma-Ray Cherenkov Detectors for the National Ignition Facility},
author = {Herrmann, Hans W. and Kim, Yong Ho and McEvoy, Aaron Matthew and Zylstra, Alex B. and Young, Carlton S. and Lopez, Frank Edward and Griego, Jeffrey Randall and Fatherley, Valerie E. and Oertel, John A. and Stoeffl, W. and Khater, H. and Hernandez, J.E. and Carpenter, A. and Rubery, M. S. and Horsfield, C. J. and Gales, S. and Leatherland, A. and Hilsabeck, T. and Kilkenny, J. D. and Malone, R. M. and Hares, J. D. and Milnes, J. and Shmayda, W. T. and Stoeckl, C. and Batha, Steven H.},
abstractNote = {The newest generation of Gas Cherenkov Detector (GCD-3) employed in Inertial Confinement Fusion experiments at the Omega Laser Facility has provided improved performance over previous generations. Comparison of reaction histories measured using two different deuterium-tritium fusion products, namely gamma rays using GCD and neutrons using Neutron Temporal Diagnostic (NTD), have provided added credibility to both techniques. GCD-3 is now being brought to the National Ignition Facility (NIF) to supplement the existing Gamma Reaction History (GRH-6m) located 6 m from target chamber center (TCC). Initially it will be located in a reentrant well located 3.9 m from TCC. Data from GCD-3 will inform the design of a heavily-shielded “Super” GCD to be located as close as 20 cm from TCC. In conclusion, it will also provide a test-bed for faster optical detectors, potentially lowering the temporal resolution from the current ~100 ps state-of-the-art photomultiplier tubes (PMT) to ~10 ps Pulse Dilation PMT technology currently under development.},
doi = {10.1063/1.4962059},
journal = {Review of Scientific Instruments},
issn = {0034-6748},
number = 11,
volume = 87,
place = {United States},
year = {2016},
month = {10}
}

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Works referenced in this record:

Monte Carlo validation experiments for the gas Cherenkov detectors at the National Ignition Facility and Omega
journal, July 2013

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Extended performance gas Cherenkov detector for gamma-ray detection in high-energy density experiments
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Gamma Ray Measurements at OMEGA with the Newest Gas Cherenkov Detector “GCD-3”
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A demonstration of ultra-high time resolution with a pulse-dilation photo-multiplier
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D-T gamma-to-neutron branching ratio determined from inertial confinement fusion plasmas
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Neutron temporal diagnostic for high-yield deuterium–tritium cryogenic implosions on OMEGA
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