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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 25 for “"Silicon Strip"”.
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Silicon strip detector qualification for the CMS experiment
… the inner tracking system of CMS is build up of silicon detectors with a pixel tracker in the center surrounded by a strip tracker. The silicon strip tracker consists of so-called modules representing the smallest detection unit of the tracking device. These modules are mounted on higher-level …
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Study of Radiation Damage in Silicon Strip Detector for ATLAS ITk
… ovlivňují detekční vlastnosti křemíkových stripových detektorů. Hlavním cílem této bakalářské práce je studovat, jaký vliv má radiační poškození na detekční vlastnosti křemíkových stripových detektorů za pomoci měření jejich elektrických charakteristik. Testované křemíkové stripové senzory …
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Integration of the end cap TEC+ of the CMS silicon strip tracker
… tracking system is exclusively instrumented with silicon detector modules. This tracker comprises 15148 silicon strip modules enclosing the interaction point in 10–12 layers. The 1. Physikalisches Institut B of RWTH Aachen was deeply involved in the completion of the end caps of the tracking …
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Development, Optimisation and Characterisation of a Radiation Hard Mixed-Signal Readout Chip for LHCb
… hard, 128 channel pipelined readout chip for silicon strip detectors. The front-end consists of a charge-sensitive preamplifier followed by a CR-RC pulse shaper. The analogue pipeline memory is implemented as a switched capacitor array with a maximum latency of 4us. The 128 analogue channels …
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Magneto-optical oxide thin films and integrated nonreciprocal photonic devices
… highly desired by the fast development of silicon photonics, monolithically integrating such devices on a semiconductor platform has been challenging for decades both due to material incompatibility and device designs. In this thesis, we focus on developing material and device candidates …
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Construction of the CMS tracker end-caps and an impact study on defects
… particles, CMS was equipped with the largest silicon tracker so far with a sensitive area of 198m2. Partitioned into more than 15,000 silicon strip modules, the construction and test of the tracker was a huge challenge for the involved institutes. The III. Physikalisches Institut B of the RWTH …
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Development of a CO2 Cooling Test Facility from the Vertex Locator Thermal Control System
… evaporative CO2 cooling system developed for silicon strip detectors in the Large Hadron Collider beauty (LHCb) experiment at the European Organisation for Nuclear Physics (CERN). This type of cooling has become increasingly common in high-energy physics experiments, making their design and …
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Study of ¹⁸NE using the array for Nuclear Astrophysics and Structure with exotic nuclei
… solid angle coverage through an array of 40 silicon-strip detectors backed with CsI(Tl) scintillators, covering an area of roughly 1300 cm2. ANASEN includes an active gas target/detector using a position-sensitive annular gas proportional counter that allows direct measurement of (α,p) …
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Characterisation of silicon photonics devices
Silicon based integrated circuits has been dominating the electronics technology industry in the last few decades. As the telecommunications and the computing industry slowly converges together, the need for a material to build photonics integrated circuits (PIC) that can be cost-effective and be …
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Development and Characterisation of a Radiation Hard Readout Chip for the LHCb-Experiment
… ASIC is a 128 channel pipelined readout chip for silicon strip detectors. The front-end consists of a charge-sensitive preamplifier and a CR-RC pulse shaper. It features an equivalent noise charge of ENC = 497 e + 48.3 e/pF Cin. The analogue memory is a switched capacitor array, which provides a …
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Exclusive Photodisintegration of 3He
… energy loss. Charged particles were detected in silicon strip detectors with angular acceptance constrained by a collimator system. Neutrons were detected in arrays of liquid organic scintillator cells. Data for neutron-proton (np) coincidences were acquired in configurations which selectively …
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Device integration for silicon microphotonic platforms
Silicon ULSI compatible, high index contrast waveguides and devices provide high density integration for optical networking and on-chip optical interconnects. Four such waveguide systems were fabricated and analyzed: crystalline silicon-on-insulator (SOI) strip, polycrystalline silicon (polySi) …
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Construction and calibration of the laser alignment system for the CMS tracker
… system of the CMS experiment consisting of silicon detectors will have a diameter of 2.4 meter and a length of 5.4 meter representing the largest silicon tracker ever. About 15000 silicon strip modules create an active silicon area of 200 square meter to detect charged particles from proton …
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Systementwicklungen und Messungen zur Auslese und Kalibration von CMS pipeline chips für die angewandte Forschung und Serientests an CMS-Streifendetektoren
… and for research of the properties of CMS microstrip detectors. The experience and the results point to special problems for the operation of the CMS tracker. For most of them solutions will be found which can be emulated in the DAQ or simulated with offline data. If possible perspectives are …
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Analysis of petal longterm test data for the CMS-experiment
… is the tracking system, that is composed of a silicon pixel detector forming the innermost part, surrounded by silicon strip sensors. Currently, it is the largest silicon detector in the world with an active area of 198m^2. The strip tracker itself consists of four subdetectors. One of these …
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Spin Dependence in Polarized Proton-Proton Elastic Scattering at RHIC
… (<em> pp</em>) elastic scattering process. Silicon strip detectors, installed inside the Roman Pots, measure tracks of protons scattered diffractively at very small angles. In a dedicated run with special beam optics during the 2009 RHIC run, the collaboration collected about 20 million …
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Sub-nanosecond Cherenkov photon detection for LHCb particle identification in high-occupancy conditions and semiconductor tracking for muon scattering tomography
… tomography is presented. The tracker uses silicon strip sensors from the ATLAS Semiconductor Tracker (SCT) with an 80μm pitch. A novel electronic readout system for the sensors is designed, based on a scalable, inexpensive, flexible, FPGA-based solution. A high-precision mechanical …
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High-Speed and Power Efficient Integrated Electro-Optic Modulators
… integration at a low cost. The standard silicon-on-insulator (SOI) platform and the more recently developed lithium niobate-oninsulator (LNOI) platform are the foundations of photonic integrated circuits (PIC), which have emerged as a promising technology to meet the needs of the optical …
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Development of Low Gain Avalanche Detectors for Astroparticle Physics Experiments in Space
… sensor is O(1 mm2) for HEP experiments whereas, silicon strip sensors in space applications have 50-60 cm long channels with 100 μm pitch, resulting in a channel area of about 1 cm2. The goal of this thesis is to evaluate the use of LGADs for timing in space. In view of this, the channel size of …
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Resolution studies of a GEM-based TPC
… into the detector is small compared to silicon sensors. This minimises multiple scattering and improves the energy measurement in the calorimeters. The TPC also provides a good measurement of the specific energy loss dE/dx for particle identification. To achieve the intended spatial …
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