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Simulation and analysis of tests of Belle II vertex detector sensors
Bilka, Tadeáš ; Kvasnička, Peter (advisor) ; Drásal, Zbyněk (referee)
This master thesis describes development and analysis of simulation, reconstruction and alignment for tests of Belle II vertex detector sensors as well as alignment procedure for the vertex detector itself. The first goal is to develop and test software tools which would allow analysis of sensor tests within common Belle II software framework. The second goal is to prepare the alignment chain for the vertex detector, being essential component of the detector calibration. First part of the thesis describes the Belle II experiment and its vertex detector, as well as the experimental beam test of the sensors and the common software framework. The theory behind the used alignment procedure utilizing Millepede II for alignment and General Broken Lines for track fitting is explained. Second part of the thesis then summarizes software tools developed or used and the results reached with these tools with emphasis on the alignment.
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Validation of silicon detector simulations for the Belle II experiment
Fajt, Lukáš ; Kvasnička, Peter (advisor) ; Drásal, Zbyněk (referee)
Title: Validation of silicon detector simulations in the Belle II experiment Author: Lukáš Fajt Department: Institute of Particle and Nuclear Physics Supervisor: RNDr. Peter Kvasnička, Institute of Particle and Nuclear Physics Abstract: This bachelor thesis deals with testing of simulations for planned combined Belle II PXD and SVD testbeam at DESY, Germany. This testbeam is going to study the function of a setup of six detectors, two DEPFET pixel detectors and four strip detectors, which corresponds to the actual arrangement of the internal detector of the newly built experiment Belle II in KEK, Japan. For the purpose of testing a new module in the basf2 Belle II software framework was developed. This module should also be used in the future for analysis of experimental data from the testbeam and to compare the results with simulations. In addition to the theoretical knowledge about the Belle II experiment, silicon detectors and basf2, experience with experi- mental work in the clean room at IPNP was obtained. The theoretical part of this work reviews the physical motivation of the experiment as well as the arrangement and operation of the Belle II detector. In the second part we discuss silli- con detectors with an emphasis on DEPFET detectors. We then describe the Belle II software framework, basf2,...
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Návrh křemíkového detektoru pro experiment Belle II
Kovaľ, Jozef ; Kodyš, Peter (advisor) ; Kvasnička, Peter (referee)
This bachelor thesis deals with the verifying of energy losses and checking the implementation of material into software on the inner tracking detector in the Belle II experiment in Japan. The Basf2 framework, which is developed especially for this experiment, was used for this confirmation. First part of the thesis theoretically describes the Belle II experiment, it's inner pixel silicon detector DEPFET and also describes software and analytics framework - Basf2, which is developed for Belle II. Second part presents the knowledge about the energy losses of the particle passing through matter. The last part compares theoretical values with the values acquired from the basf2 simulation.
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