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A multi-Physics Experiment for Low-Yield Nuclear Explosion Monitoring

Technical Report ·
DOI:https://doi.org/10.2172/2345984· OSTI ID:2345984
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  1. Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
  2. Atomic Weapons Establishment (AWE), Berkshire (United Kingdom)
  3. Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
  4. Nevada National Security Site (NNSS), Santa Barbara, CA (United States)
  5. Sandia National Laboratories (SNL-CA), Livermore, CA (United States); Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
  6. Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
  7. Univ. of Nevada, Reno, NV (United States)
  8. Desert Research Institute (DRI), Las Vegas, NV (United States); Desert Research Institute (DRI), Reno, NV (United States)
  9. Silixa, London (United Kingdom)
  10. Univ. of Texas, Austin, TX (United States)
  11. National Oceanic and Atmospheric Administration (NOAA), Boulder, CO (United States)
+ Show Author Affiliations
A series of multi-physics experiments, referred to as Physics Experiment 1 (PE1) is underway at the United States’ Nevada National Security Site (NNSS). The PE1 series includes detonations of three underground chemical explosions in P-tunnel, with fully coupled (PE1 A), partially decoupled (PE1 DL), and fully decoupled (PE1 B) emplacements. Canisters with gas tracers are imbedded in the explosives, and the tracers are released when the canister is destroyed by the detonation. A dedicated electromagnetic (EM) experiment (EMX) generates well-characterized EM signals at an underground location near the chemical explosive experiments. A series of atmospheric experiments (METEX, REACT, and METREX) release smoke and radioactive tracers around Aqueduct Mesa to test gas transport in complex topography. Each of the chemical explosive experiments includes a network of sensors to record seismic, acoustic, and electromagnetic waves, measurement of atmospheric conditions, and air sample collection for measurement of tracer concentration. EMX records EM signals underground and on the surface of Aqueduct Mesa. METEX, REACT, and METREX include measurement of atmospheric condition, as well as tracking smoke releases. REACT and METREX add low-level radioactive gas tracers to the atmospheric releases.
Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation
DOE Contract Number:
AC52-07NA27344
OSTI ID:
2345984
Report Number(s):
LLNL--TR-864107; 1097439
Country of Publication:
United States
Language:
English

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