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The Compact Muon Solenoid (CMS) detector is one of the two general-purpose detectors at the CERN LHC. LHC will provide exceptional high instantaneous and integrated luminosity after second long shutdown. The forward region |η| ≥ 1:5 of CMS detector will face extremely high particle rates in tens of kHz/cm2 and hence it will affect the momentum resolution, efficiency and longevity of the muon detectors...
For the High-Luminosity LHC (HL-LHC) phase the CMS GEM Collaboration is planning to install new large-size (990×220–455mm2) triple-GEM detectors, equipped with a new readout system, in the forward region of the muon system (1.5< |η| <2.2) of the CMS detector. Combining triggering and tracking functionalities the new triple-foil Gas Electron Multiplier (GEM) chambers will improve both the performance...
Gas Electron Multiplier (GEM) technology is being considered for the forward muon upgrade of the CMS experiment in Phase 2 of the CERN LHC. Its first implementation is planned for the GE1/1 system in the 1.5 <| η |< 2.2 region of the muon endcap mainly to control muon level-1 trigger rates after the second long LHC shutdown. A GE1/1 triple-GEM detector is read out by 3,072 radial strips with...
Gamma-ray signatures are generally used for detecting nuclear materials. It is difficult to distinguish gammas from backgrounds and innocent radiological materials, which can result in high false alarm rate. Dual neutron-gamma detectors for detecting illegally trafficked nuclear materials have a potential to reduce the false alarm rate. Elpasolite scintillator Cs2LiYCl6 (CLYC) doped with Ce3+ presented...
The detection of illicit nuclear sources and SNM requires a ubiquitous network of sensors. While 3He proportional counters are excellent neutron detectors, there is an insufficient global supply of 3He to create the required number of detectors. Alternatives to 3He must be efficient, insensitive to gamma radiation, easily manufactured, rugged, and inexpensive to enable the procurement of a large numbers...
Adequate monitoring and tracking of radiation at department of energy legacy sites requires deployment of highly sensitive detectors. Utilizing the high sensitivity of inorganic scintillation materials usually requires a photomultiplier tube, which increases the cost, size, and power consumption of the detector. A gamma-ray detector consisting of a CMOS-based solid-state photomultiplier (SSPM), which...
A dosimeter-on-a-chip (DoseChip) comprised of a tissue-equivalent scintillator coupled to a solid-state photomultiplier (SSPM) built using CMOS technology represents an ideal technology for a space-worthy, real-time solar-particle monitor for astronauts. It provides a tissue-equivalent response to the relevant energies and types of radiation for low-Earth orbit and interplanetary space flight to the...
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