نتایج جستجو برای: liquid scintillation detector
تعداد نتایج: 275743 فیلتر نتایج به سال:
Maisiagala RADON type radioactive waste storage facility was commissioned in 1963 in a marshy, ecologically sensitive locality, where soluble radionuclides easily can penetrate and migrate with groundwater. To assure the requirements of radiation safety, the analysis of radionuclide leakage from the radioactive waste storage facility is performed continuously. H (tritium, T1/2=12.33 years) is o...
Abstract The JRC applied six measurement techniques to standardise the activity of an 241 Am solution in frame 2003 key comparison CCRI(II)-K2.Am-241. methods used were alpha-particle counting at a defined small solid angle, high-efficiency particle and photon with windowless 4π CsI(Tl) sandwich spectrometer, alpha pressurised proportional counter, alpha-gamma coincidence sum counter NaI(Tl) we...
Despite being mostly secluded, dark sector particles may feebly interact with photons via a small mass-dimension 4 millicharge, 5 magnetic and electric dipole moment, or 6 anapole moment charge radius. If sufficiently light, the LHC produce an intense collimated beam of these in far forward direction. We study prospects searching for such electromagnetic form factors their electron scattering s...
Pacific Northwest National Laboratory has recently opened a shallow underground laboratory intended for measurement of low-concentration levels of radioactive isotopes in samples collected from the environment. The development of a low-background liquid scintillation counter is currently underway to further augment the measurement capabilities within this underground laboratory. Liquid scintill...
Tritium activity concentration in Danube river water in Serbia has been determinate using a liquid scintillation counter Quantulus 1220. During December 2010, water samples were taken along the entire course of Danube through Serbia, from HungarianSerbian to Romanian-Serbian border. This investigation is very important because of the nearness of nuclear reactor Paks in Hungary. Sample preparati...
ProtoDUNE-DP is a 6 × 6m 3 liquid argon time-projection-chamber (LArTPC) operated at the Neutrino Platform CERN in 2019-2020 as prototype of DUNE Far Detector. dual-site experiment for long-baseline neutrino oscillation studies, astrophysics and nucleon decay searches. The light signal these detectors crucial to provide precise timing capabilities. In ProtoDUNE-DP, scintillation produced by cos...
Organic scintillators are widely used for fast neutron detection and spectroscopy. Several effects complicate the interpretation of results from detectors based upon these materials. First, fast neutrons will often leave a detector before depositing all of their energy within it. Second, fast neutrons will typically scatter several times within a detector, and there is a non-proportional relati...
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