نتایج جستجو برای: particle detector
تعداد نتایج: 229410 فیلتر نتایج به سال:
We describe here a new concept of a Cherenkov detector for particle identification by means of measuring the Time-of-Propagation (TOP) of Cherenkov photons.
The ALICE1 chip is a mixed-mode integrated circuit to read out silicon pixel detectors used for particle tracking in the ALICE Silicon Pixel Detector or particle identification in the LHCb Ring Imaging Cherenkov detector. The chip will be fabricated in a commercial 0.25Pm technology and transistors are designed with a radiation-tolerant geometry. It consists of 256 u 32 pixel cells, each of 50P...
For large particles, the tail of the pulse is relatively long, and if a smaller particle passes through the sensor volume while the tail still elevates the detector voltage, the smaller particle may produce a pulse that exceeds the counting threshold for large particles . . . Because small particles in ambient air are much more numerous than large particles, it is the small particle concentrati...
Monte Carlo computer programs such as the GEANT4 toolkit include precise models of particle interactions and can be an invaluable tool for studying the feasibility of new imaging techniques such as proton computed tomography (pCT). Presented in this paper is a comparison of laboratory data with GEANT4 predictions for the imaging characteristics of a simple metal object using a particle beam and...
At a future e+elinear collider, precision measurements of jets will be required in order to understand physics at and beyond the electroweak scale. Calorimetry will be used with other detectors in an optimal way to reconstruct particle 4-vectors with unprecedented precision. This Particle Flow Algorithm (PFA) approach is seen as the best way to achieve particle mass resolutions from dijet measu...
Wilson has designed and built particle identification systems in experiments such as the SLD experiment Cerenkov Ring Imaging Device (CRID); BaBar Detector of Internally Reflected Cherenkov light (DIRC). He has been the coordinator of the Particle ID subgroup of the American Linear Collider Physics Group, contributed to the Snowmass Resource Book, and has given numerous presentations on hadron ...
We describe the construction and performance of a scintillating fiber detector used in the near detector for the K2K (KEK to Kamioka, KEK E362) long baseline neutrino oscillation experiment. The detector uses 3.7 m long and 0.692 mm diameter scintillating fiber coupled to image-intensifier tubes (IIT), and a CCD camera readout system. Fiber sheet production and detector construction began in 19...
A new silicon microstrip detector was designed by the CDF collaboration for the proposed high-luminosity operation of the Tevatron pp̄ collider (Run IIb). The detector is radiation-tolerant and will still be functional after exposure to particle fluences of 10 1-MeV equivalent neutrons=cm and radiation doses of 20MRad. The detector will maintain or exceed the performance of the current CDF silic...
In the past 20 years of its existence, the CLEO detector has been associated with many discoveries and precision measurements of heavy flavour physics. The latest generation of the detector, the CLEO III, has been upgraded. One of the new features of the CLEO III detector is it’s particle identification system, the Ring Imaging CHerenkov (RICH) detector. The basic principle of the differential ...
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