D. Dannheim
A5033313405- Particle physics theoretical and experimental studies
- High-Energy Particle Collisions Research
- Particle Detector Development and Performance
- Quantum Chromodynamics and Particle Interactions
- Radiation Detection and Scintillator Technologies
- CCD and CMOS Imaging Sensors
- Dark Matter and Cosmic Phenomena
- Computational Physics and Python Applications
- Neutrino Physics Research
- Cosmology and Gravitation Theories
- Distributed and Parallel Computing Systems
- Particle Accelerators and Free-Electron Lasers
- Medical Imaging Techniques and Applications
- Superconducting Materials and Applications
- Advancements in Semiconductor Devices and Circuit Design
- advanced mathematical theories
- 3D IC and TSV technologies
- Astrophysics and Cosmic Phenomena
- Radiation Effects in Electronics
- Black Holes and Theoretical Physics
- Advanced Data Storage Technologies
- Electron and X-Ray Spectroscopy Techniques
- Advancements in Photolithography Techniques
- Magnetic Field Sensors Techniques
- High-pressure geophysics and materials
European Organization for Nuclear Research
2016-2025
Istanbul University
2024
University of Geneva
2024
Conpart (Norway)
2024
Laboratoire de Physique Nucléaire et de Hautes Énergies
2024
Ferioli & Gianotti (Italy)
2024
European Science Foundation
2024
Max Planck Society
2010-2019
National Institute for Subatomic Physics
2017
Detector Technology (United States)
2014
The Compact Linear Collider (CLIC) is an option for a future $${\mathrm{e}^{+}}{\mathrm{e}^{-}} $$ collider operating at centre-of-mass energies up to $$3\,\text {TeV} , providing sensitivity wide range of new physics phenomena and precision measurements the energy frontier. This paper first comprehensive presentation Higgs reach CLIC three stages: $$\sqrt{s} = 350\,\text {GeV} 1.4 . initial stage operation allows study boson production in Higgsstrahlung ( \rightarrow {\mathrm{Z}}...
CMOS pixel sensors with a small collection electrode combine the advantages of sensor capacitance fully monolithic design. The results in large ratio signal-to-noise and low analogue power consumption, while design reduces material budget, cost production effort. However, electric field corners such an increased charge time, that makes efficient operation after irradiation timing resolution order nanoseconds challenging for sizes larger than approximately forty micrometers. This paper...
Allpix$^2$ (read: Allpix Squared) is a generic, open-source software framework for the simulation of silicon pixel detectors. Its goal to ease implementation detailed simulations both single detectors and more complex setups such as beam telescopes from incident radiation digitised detector response. Predefined types can be automatically constructed simple model files describing parameters. The chain arranged with help intuitive configuration an extensible system modules, which implement...
The ALICE ITS3 (Inner Tracking System 3) upgrade project and the CERN EP R&D on monolithic pixel sensors are investigating feasibility of Tower Partners Semiconductor Co. 65 nm process for use in next generation vertex detectors. aims to employ wafer-scale Monolithic Active Pixel Sensors thinned down 20–40 µm bent form truly cylindrical half barrels. Among first critical steps towards realisation this detector is validate sensor technology through extensive characterisation both laboratory...
A resonance search has been made in the K0Sp and K0Sp̄ invariant-mass spectrum measured with ZEUS detector at HERA using an integrated luminosity of 121 pb−1. The was performed central rapidity region inclusive deep inelastic scattering ep centre-of-mass energy 300–318 GeV for exchanged photon virtuality, Q2, above 1 GeV2. Recent results from fixed-target experiments give evidence a narrow baryon decaying to K+n K0Sp, interpreted as pentaquark. presented here support existence such state,...
This paper summarizes the physics potential of CLIC high-energy e+e- linear collider. It provides input to Snowmass 2013 process for energy-frontier working groups on The Higgs Boson (HE1), Precision Study Electroweak Interactions (HE2), Fully Understanding Top Quark (HE3), as well Path Beyond Standard Model -- New Particles, Forces, and Dimensions (HE4). is accompanied by a describing accelerator study, submitted Frontier Capabilities group process.
A bstract The Compact Linear Collider (CLIC) is a proposed future high-luminosity linear electron-positron collider operating at three energy stages, with nominal centre-of-mass energies $$ \sqrt{s} <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> </mml:math> = 380 GeV, 1 . 5 TeV, and 3 TeV. Its aim to explore the frontier, providing sensitivity physics beyond Standard Model (BSM) precision measurements of processes an emphasis on Higgs...
Corryvreckan is a versatile, highly configurable software with modular structure designed to reconstruct and analyse test beam laboratory data. It caters the needs of community by providing flexible offline event building facility combine detectors different read-out schemes, or without trigger information, includes possibility correlate data from multiple devices based on timestamps. Hit timing available high precision an increasing number detectors, can be used in clustering tracking...
The high energy physics community recently gained access to the TPSCo 65 nm ISC (Image Sensor CMOS), which enables a higher in-pixel logic density in monolithic active pixel sensors (MAPS) compared processes with larger feature sizes. To explore this novel technology, Hybrid-to-Monolithic (H2M) test chip has been designed and manufactured. design followed digital-on-top workflow ports hybrid pixel-detector architecture, digital pulse processing each pixel, into chip. matrix consists of...
The goal of the TANGERINE project is to develop next generation monolithic silicon pixel detectors using a 65 nm CMOS imaging process, which offers higher logic density and overall lower power consumption compared previously used processes. A combination Technology Computer-Aided Design (TCAD) Monte Carlo (MC) simulations understand physical processes within sensing element thus performance detector. response sensors can then be tested in laboratory test beam facilities simulation results....
Abstract The CALICE collaboration is developing highly granular electromagnetic and hadronic calorimeters for detectors at future energy frontier electron-positron colliders. After successful tests of a physics prototype, technological prototype the Analog Hadron Calorimeter has been built, based on design construction techniques scalable to collider detector. consists steel absorber structure active layers small scintillator tiles that are individually read out by directly coupled SiPMs....
Caribou is a versatile data acquisition system used in multiple collaborative frameworks (CERN EP R&D, DRD3, AIDAinnova, Tangerine) for laboratory and test-beam qualification of novel silicon pixel detector prototypes. The built around common hardware, firmware software stack shared accross different projects, thereby drastically reducing the development effort cost. It consists custom Control Readout (CaR) board commercial Xilinx Zynq System-on-Chip (SoC) platform. SoC platform runs full...
The ATLAS detector has been designed for operation at CERN's Large Hadron Collider. includes a complex system of liquid argon calorimeters. This paper describes the architecture and implementation custom front end electronics developed readout
Together with the recent CLIC detector model CLICdet a new software suite was introduced for simulation and reconstruction of events in this detector. This note gives brief introduction to describes experimental conditions at 380 GeV 3 TeV, including beam-induced backgrounds. The tools are introduced, physics performance obtained is described terms single particles, particles jets, jet energy resolution flavour tagging. very forward electromagnetic calorimeters also discussed.
The long term goal of the CERN Experimental Physics Department R&D on monolithic sensors is development sub-100nm CMOS for high energy physics. first technology selected TPSCo 65nm imaging technology. A submission MLR1 included several small test chips with sensor and circuit prototypes transistor structures. One main questions to be addressed was how optimize in presence significant in-pixel circuitry. In this paper optimization described as well experimental results from run confirming its...
Abstract The spatial relationship between anatomy and function in glaucoma was studied 15 selected cases of focal damage. Based on planimetric data the optic disc anatomical site damage defined as sector with thinnest neuroretinal rim. Perimetric were evaluated regard to 21 regions ‘Perimetric Nerve Fibre Bundle Map’ (Weber & Ulrich 1990a). those at least 50% depressed points. affected rim number corresponding Fiber Bundles showed a linear correlation over limited range superior inferior...
The ATLAS detector has been designed for operation at CERN's Large Hadron Collider. includes a complex system of liquid argon calorimeters. electronics amplifying, shaping, sampling, pipelining, and digitizing the calorimeter signals is implemented on Front End Boards (FEBs). This paper describes design, implementation production FEBs presents measurement results from testing performed several stages during process.
The ATLAS detector has been designed for operation at the Large Hadron Collider CERN. includes electromagnetic and hadronic liquid argon calorimeters, with almost 200,000 channels of data that must be sampled LHC bunch crossing frequency 40 MHz. calorimeter electronics calibration readout are performed by custom developed specifically these purposes. This paper describes system performance electronics, including noise, energy time resolution, long term stability, taken mainly from...