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The performance and granularity of the new calorimeters were set to match the central calorimeter, which was of importance for the triggering system. The electron identification was improved by the use of a completely new central tracking detector assembly, partly consisting of a pioneering silicone-pad detector.
The experiment is designed to conduct precision tests of the Standard Model by studying rare decays of charged kaons.The principal goal, for which the design has been optimized, is the measurement of the rate of the ultra-rare decay K + → π + + ν + ν with a precision of 10%, by detecting about 100 decay candidates with low background.
a Calorimeter in CERN. In experimental particle physics, a calorimeter is a type of detector that measures the energy of particles. Particles enter the calorimeter and initiate a particle shower in which their energy is deposited in the calorimeter, collected, and measured. The energy may be measured in its entirety, requiring total containment ...
The calorimeter systems for high energy physics experiments usually consist of three main subsystems: electromagnetic calorimeter (ECAL) to detect electromagnetic showers produced by electrons (or positrons) and photons, hadronic calorimeter (HCAL) to measure hadron-induced showers, and muon tracker (or so-called tail catcher) to identify ...
DELPHI detector at CERN. The electromagnetic calorimetry system consisted of two very forward calorimeters and two small angle calorimeter. The high-density projection chamber (HPC) was a barrel electromagnetic calorimeter mounted on the inside of the solenoid outside the OD. [14]
CASTOR (standing for "Centauro And Strange Object Research") [1] is an electromagnetic (EM) and hadronic (HAD) calorimeter of the CMS experiment at CERN.It is based on plates made out of tungsten and quartz layers, positioned around the beam pipe in the very forward region of the CMS (at 14.385 m from the interaction point), covering the pseudorapidity range 5.1–6.55.
There are two basic calorimeter systems: an inner electromagnetic calorimeter and an outer hadronic calorimeter. [32] Both are sampling calorimeters ; that is, they absorb energy in high-density metal and periodically sample the shape of the resulting particle shower , inferring the energy of the original particle from this measurement.
The WA70 calorimeter viewed from downstream of the beam line. Photo by R.W. Poultney 1986. The WA70 experiment was a collaboration between the Universities of Geneva, Glasgow, Liverpool, Milan and Neuchatel using the facilities of the OMEGA spectrometer at CERN.