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Current Status of Highest Energy Cosmic Rays
Krejčíková, Martina ; Nosek, Dalibor (advisor) ; Pěč, Viktor (referee)
The Earth is constantly bombarded by extra-high energy particles, which can not reach any man-made accelerator. Cosmic Rays have been studied over a hundred years, nevertheless we are not able to answer the questions about sources, arriving directions and composition. In the following work there are de- scribed the important projects that occupy the problems, the methods of data analysis and comparison of available experimental results. 1
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Time calibration and resolution of the hadronic Tile Calorimeter
Krejčíková, Martina ; Davídek, Tomáš (advisor) ; Spousta, Martin (referee)
The thesis deals with Tilecal hadron calorimeter, which is part of the ATLAS detector at the LHC at CERN. Main area of interest is a time calibration of the detector, which is necessary to accurately determine the energy especially of jets produced as a result of precipitation collisions of protons. Based on obtained experimental data from 2011 thoroughly explored the relationships between the time of arrival of the particles into the cells of the detector and their energies, or the distance from the given objects. By describing the time calibration, one can correct originally obtained time constants. Description and resolution of time jumps in timing of channels are part of the thesis, corrections of identified examples are included. Powered by TCPDF (www.tcpdf.org)
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Time calibration and resolution of the hadronic Tile Calorimeter
Krejčíková, Martina ; Davídek, Tomáš (advisor) ; Spousta, Martin (referee)
The thesis deals with Tilecal hadron calorimeter, which is part of the ATLAS detector at the LHC at CERN. Main area of interest is a time calibration of the detector, which is necessary to accurately determine the energy especially of jets produced as a result of precipitation collisions of protons. Based on obtained experimental data from 2011 thoroughly explored the relationships between the time of arrival of the particles into the cells of the detector and their energies, or the distance from the given objects. By describing the time calibration, one can correct originally obtained time constants. Description and resolution of time jumps in timing of channels are part of the thesis, corrections of identified examples are included. Powered by TCPDF (www.tcpdf.org)
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Current Status of Highest Energy Cosmic Rays
Krejčíková, Martina ; Nosek, Dalibor (advisor) ; Pěč, Viktor (referee)
The Earth is constantly bombarded by extra-high energy particles, which can not reach any man-made accelerator. Cosmic Rays have been studied over a hundred years, nevertheless we are not able to answer the questions about sources, arriving directions and composition. In the following work there are de- scribed the important projects that occupy the problems, the methods of data analysis and comparison of available experimental results. 1
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