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2017 CMS-Caltech-CERN Summer Students |
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Instrumentation |
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< | Student 1 |
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> | Silviu-Marian Udrescu, CERN, "Detailed simulation of planar semiconductor sensors for precision timing" with Adi, Si and Cristian |
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< | AI Methods |
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> | Planar semiconductor sensors are used for precision timing detectors in high energy physics. In calorimetric applications the sensors are exposed to a shower of ionizing radiation induced by a high energetic primary particle. The goal of the project is to perform simulation studies of the shower interactic with the sensor to get a precise understanding of the energy deposited in the sensor material. Different sensor materials such as Silicon, Silicon-Germanium and Cadmium-Tellurid will be studied as well as different sensor geometries exposed to different parts of the particle shower. The simulations are performed with the GEANT simulation package either in an embedded application derived from CMS software or in a standalone application.
AI Methods |
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Vitória Barim Pacela, CERN, LCD particle ID and regression with Amir, Maurizio and JR |
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Projects |
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< | Detailed simulation of planar semicondutor sensors for precision timing
Planar semiconductor sensors are used for precision timing detectors in high energy physics. In calorimetric applications the sensors are exposed to a shower of ionizing radiation induced by a high energetic primary particle. The goal of the project is to perform simulation studies of the shower interactic with the sensor to get a precise understanding of the energy deposited in the sensor material. Different sensor materials such as Silicon, Silicon-Germanium and Cadmium-Tellurid will be studied as well as different sensor geometries exposed to different parts of the particle shower. The simulations are preformed with the GEANT simulation package either in an enbedded application derived from CMS sofware or in a standalone application. |
| | Simulation studies of the CMS ECAL photon timing using crystal calorimeter and timing layer information.
The Phase II upgrade of the CMS detector will enhance the timing performance of the crystal calorimter to about 20 ps and possibly add a precision timing layer in from of the calorimeter. The calorimeter is primarily destined to measure the time of arrival for high energy electromagentic clusters and the timing layer will target charged particles. However high energy electrons will feature a precise time measurement in the timing layer and the calorimeter. Further, the electron impacting on the calorimeter will result in a certain amount of front leakage. The goal of the project is to study the timing performance for electrons using both detectors, the impact on front leakage on timing measurements in the timing layer and to study the viability to use front leakage for calibration of the timing layer as well as timing measurements of photons. |
