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Håkan Wennlöf (Deutsches Elektronen-Synchrotron (DE))22/05/2023, 13:00
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Simon Spannagel (Deutsches Elektronen-Synchrotron (DE))22/05/2023, 13:10
This contribution will summarize the new features released in 2022/2023 in the v2.x release series of Allpix Squared.
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Jihad Saidi (Universite de Geneve (CH))22/05/2023, 13:35Applications & Studies
The 100µPET project, led by the University of Geneva, the University of Luzern, and the École Polytechnique Fédérale de Lausanne, aims at the development of a small-animal positron emission tomography (PET) scanner with ultra-high-resolution molecular imaging capabilities.
This is achieved with compact and modular stacks of multiple thin monolithic pixel detectors bonded to flexible...
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Rafaella Eleni Kotitsa (CERN)22/05/2023, 14:00Applications & Studies
The design of a new high-granularity pre-shower detector for the FASER experiment at LHC is in progress, with the purpose of measuring and discriminating electromagnetic showers generated by photons with O(TeV) energies and separation down to 200 µm. The new pre-shower will comprise six planes of monolithic silicon pixel detectors with hexagonal pixels of 65 µm side.
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The detector simulation... -
Mr Florian Beißer (Erlangen Centre for Astroparticle Physics)22/05/2023, 14:25Applications & Studies
Radiation therapy is commonly used for cancer treatment. However, not only tumor tissue is affected by ionizing radiation, but also healthy tissue is damaged [1]. The ratio of tumor control with respect to healthy tissue damage needs to be optimised by choosing suitable particle types, energies, and dose rates. Healthy tissue is less affected if dose is applied with very high dose rates, i.e....
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Pietro Grutta22/05/2023, 14:50Applications & Studies
LUXE (Laser Und Xfel Experiment) is a new experiment proposed at DESY to investigate the strong-field regime of QED, with the main aims (a) to measure the interactions of real photons with $e^-$/$e^+$ at field strengths where the coupling to charges becomes non-perturbative; (b) to make precision measurements of the $e^-\gamma$ and $\gamma\gamma$ interactions in a transition from perturbative...
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Daniil Rastorguev (Deutsches Elektronen-Synchrotron (DE))22/05/2023, 15:45New Featues
The Transient Current Technique (TCT) is a powerful yet flexible laboratory characterization technique for silicon sensors. By precisely injecting charges with laser pulses and analyzing waveforms, produced as deposited charge drifts in the sensor bulk, one may experimentally study different charge collection features of the sensor under test.
With the development of novel types of silicon...
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Radek Privara (Palacky University (CZ))22/05/2023, 16:10Applications & Studies
The Allpix-Squared simulation toolkit has long been used by the ATLAS Collaboration to perform simulations of silicon pixel and strip detectors, developed for future deployment in the upgraded central detector called the ATLAS Inner Tracker (ITk). Lately, the focus has shifted towards a particular class of strip detectors featuring radial geometry of strips, so-called ITk Strip End-Cap...
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Maximilian Caspar (DESY)22/05/2023, 16:35Applications & Studies
The ATLAS Inner Detector (ID) will be replaced with a new all-silicon tracker (ITk) for LHCs high luminosity phase. ITk will consist of a pixel and a strip subdetector, both of which subdivide into barrel and endcap sections. The endcap strip modules use a radial strip geometry that resembles a polar coordinate system. Groups of these modules are then placed on a common support structure...
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Shanny Lin22/05/2023, 17:00Applications & Studies
Authors: S. Lin$^1$ , Z.Wang$^1$, W. Li$^1$, S. M. Clayton$^1$, J. K. Baldwin$^1$, S. A. Currie$^1$, M. A. Hoffbauer$^1$, T. M. Ito$^1$, M. Makela$^1$, C. L. Morris$^1$, C. O`Shaughnessy$^1$, M. Singh$^1$, Z. Tang$^1$, W. Uhrich$^1$, P. L. Walstrom$^1$, B. Wolfe$^1$, H. Zhu$^2$, N. B. Callahan$^3$, M. Blatnik$^4$, B. Filippone$^4$, E. M. Fries$^4$, K. P. Hickerson$^4$, S. Slutsky$^4$, V....
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Keerthi Nakkalil (APC,CNRS/IN2P3 and Université`de Paris)23/05/2023, 10:00Applications & Studies
In preparation for the High Luminosity LHC phase, the ATLAS collaboration is developing a new all-silicon tracking detector called the Inner Tracker (ITk). At the core of the new tracker will be 5 barrel layers equipped with hybrid pixel detectors with a fine pitch of either 50x50 or 25x100 μm. The new detector will need to withstand radiation damage levels up to 10 times greater than the...
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Adriana Simancas (Deutsches Elektronen-Synchrotron (DE))23/05/2023, 10:25
Optimisation of the sensitive region of CMOS sensors with nonlinear electric fields requires precise simulations, which can be achieved by a combination of finite-element electrostatic field simulations and Monte Carlo methods. Exact predictions of the behaviour of monolithic active pixel sensors produced using commercial CMOS imaging processes are difficult to make, as the detailed electric...
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Manuel Alejandro Del Rio Viera (Deutsches Elektronen-Synchrotron (DE))23/05/2023, 10:50Applications & Studies
The principle of signal formation in every ionization detector can be understood using the Shockley-Ramo Theorem. This simple but useful theorem states that the induced current in an electrode is proportional to the movements of the charges along the direction of a field called the Weighting Field. As such, this special field, or its potential called Weighting Potential are required to...
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Sara Ruiz Daza (Deutsches Elektronen-Synchrotron (DE))23/05/2023, 11:15Applications & Studies
Beam telescopes are used to investigate future particle detector prototypes, and to do this efficiently they must provide excellent position and time resolution at the device under test location. One of the goals of the Tangerine Project is to develop a beam telescope based on sensors created in a 65 nm CMOS imaging process. In order to study the tracking performance and optimize the best...
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Håkan Wennlöf (Deutsches Elektronen-Synchrotron (DE))23/05/2023, 11:40Applications & Studies
Hexagonal pixels can be beneficial compared to rectangular geometries. By using a hexagonal pixel grid, the amount of shared charge in pixel corners is reduced, allowing for efficient operation over a larger threshold range for small signals. The pixel corners also have a larger opening angle compared to rectangular pixels, significantly impacting the electric field in this regions. A...
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Pinelopi Christodoulou (Czech Technical University in Prague (CZ))23/05/2023, 13:00Developments
The talk will present the latest implementation of the Timepix3 front-end simulator. The front-end electronics channel is modelled using an integrator stage and parallel low-pass filtered feedback loops with individually configurable time constants. The system noise is implemented using independent bandwidth limited noise channels for pre-amplifier, feedback and threshold noise. The Timepix3...
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Andreas Mastronikolis (University of Manchester (GB))23/05/2023, 13:25Applications & Studies
In this work, we present a framework, wrapped around Allpix$^2$, that can be used to optimize the performance of the HL-LHC CMS Inner Tracker. The framework uses minimum-bias events, generated at a pileup of 200, and simulates their transversal through silicon pixel sensors with Allpix$^2$. The behavior of the Inner Tracker front-end (RD53B-CMS, i.e. CROC), for processing pixel hits, has been...
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Christopher Krause (Technische Universitaet Dortmund (DE))23/05/2023, 13:50Applications & Studies
The Inner Tracker of the ATLAS experiment requires the optimal performance
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of its pixel sensors. To test their efficiency, a reliable track reconstruction and
analysis for testbeam data is necessary to ensure the precise detection of par-
ticles. The quality of data from testbeam campaigns are influenced by many
factors, including high beam densities, which can impair the track... -
Andreas Gsponer (Austrian Academy of Sciences (AT))23/05/2023, 14:15Applications & Studies
Silicon Carbide (SiC) is a wide-bandgap semiconductor that has recently become a topic of intensified interest in the HEP instrumentation community due to the availability of high-quality wafers from the power electronics industry. SiC features multiple advantageous material properties over silicon. It is insensitive to visible light, hypothesized to be more radiation hard, and has much lower...
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Mr Faiz Ishaqzai (TU Dortmund, DEU Izmir, Kabul University)23/05/2023, 14:40Applications & Studies
Allpix-Squard is Geant4 based modular framework that was initially designed for the simulation of silicon detectors in high-energy physics but now its sensor material capability and applicability have been extended. My work is intended to check the validity of the implementation of Diamond material in Allpix-squared. Diamond sensors have specific applications in high-energy physic because of...
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Simon Spannagel (Deutsches Elektronen-Synchrotron (DE)), Stephan Lachnit (Deutsches Elektronen-Synchrotron (DE))23/05/2023, 15:30New Featues
Allpix Squared has been using LaTeX to create its documentation. While this results in an excellent looking PDF, the documentation on the website had issues with displaying certain math and code blocks nicely. Thus it was decided to change the documentation format, using Markdown for the source and [Docsy][1] for the website.
This talk will present the now deployed website, some of the...
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Paul Schütze (Deutsches Elektronen-Synchrotron (DE))23/05/2023, 15:50
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Paul Schütze (Deutsches Elektronen-Synchrotron (DE)), Simon Spannagel (Deutsches Elektronen-Synchrotron (DE))23/05/2023, 16:15
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