P. Schleper
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View article: Fast Perfekt: Regression-based refinement of fast simulation
Fast Perfekt: Regression-based refinement of fast simulation Open
The availability of precise and accurate simulation is a limiting factor for interpreting and forecasting data in many fields of science and engineering. Often, one or more distinct simulation software applications are developed, each with…
View article: Refining fast simulation using machine learning
Refining fast simulation using machine learning Open
At the CMS experiment, a growing reliance on the fast Monte Carlo application (FastSim) will accompany the high luminosity and detector granularity expected in Phase 2. The FastSim chain is roughly 10 times faster than the application base…
View article: Refining fast simulation using machine learning
Refining fast simulation using machine learning Open
At the CMS experiment, a growing reliance on the fast Monte Carlo application (FastSim) will accompany the high luminosity and detector granularity expected in Phase 2. The FastSim chain is roughly 10 times faster than the application base…
View article: Morphological Classification of Radio Galaxies with wGAN-supported Augmentation
Morphological Classification of Radio Galaxies with wGAN-supported Augmentation Open
Machine learning techniques that perform morphological classification of astronomical sources often suffer from a scarcity of labelled training data. Here, we focus on the case of supervised deep learning models for the morphological class…
View article: Radio Galaxy Classification with wGAN-Supported Augmentation
Radio Galaxy Classification with wGAN-Supported Augmentation Open
Novel techniques are indispensable to process the flood of data from the new generation of radio telescopes. In particular, the classification of astronomical sources in images is challenging. Morphological classification of radio galaxies…
View article: Top Quark Spin and Polarization Properties in Searches for New Phenomena with the CMS Detector at the LHC
Top Quark Spin and Polarization Properties in Searches for New Phenomena with the CMS Detector at the LHC Open
In this work, a search for heavy pseudoscalar and scalar (A/H) Higgs bosons decaying to top-anti-top quark pairs ($t
View article: Top quark mass measurement and color effects at the LHC
Top quark mass measurement and color effects at the LHC Open
The top quark, the heaviest fundamental particle discovered to date, is one of the most peculiar particles that were discovered so far. It plays a crucial role in consistency checks of the Standard Model and in searches for new physics, e.…
View article: Measurements of $\\mathrm{W^±}$ and top-quark pair to Z-boson cross-section ratios at $\\mathrm{\\sqrt{s}}$ = 13, 8, 7 TeV with the ATLAS detector
Measurements of $\\mathrm{W^±}$ and top-quark pair to Z-boson cross-section ratios at $\\mathrm{\\sqrt{s}}$ = 13, 8, 7 TeV with the ATLAS detector Open
Measurements of the $Z \\rightarrow \\ell^+\\ell^-$ production cross sections, where ` = e; , in protonprotoncollisions at ps = 13 TeV are presented using two sets of data recorded by the ATLAS experiment at the Large Hadron Collider. The …
View article: Studies of the MSSM Parameter Space at the LHC
Studies of the MSSM Parameter Space at the LHC Open
Extensions of the Standard Model of particle physics often predict new particles with masses at the electroweak scale or up to a few TeV/c$^2$. Searches for the decay of such particles at the Large Hadron C FCollider most often are perform…
View article: Test beam performance measurements for the Phase I upgrade of the CMS pixel detector
Test beam performance measurements for the Phase I upgrade of the CMS pixel detector Open
A new pixel detector for the CMS experiment was built in order to cope with the instantaneous luminosities anticipated for the Phase I Upgrade of the LHC . The new CMS pixel detector provides four-hit tracking with a reduced material budge…
View article: Search for lepton-flavour violating decays of the Higgs boson at the LHC
Search for lepton-flavour violating decays of the Higgs boson at the LHC Open
In this thesis, a search for lepton-flavour violating (LFV) decays of the Higgs boson to an electron and a tau lepton is presented. LFV decays of the Higgs boson are forbidden in the Standard Model of particle physics (SM). However, extens…
View article: A search for new heavy particles in events with highly ionising, short tracks at the CMS experiment
A search for new heavy particles in events with highly ionising, short tracks at the CMS experiment Open
The main focus of the CMS experiment at the Large Hadron Collider (LHC) is to search for physics beyond the Standard Model and to measure Standard Model parameters. For both purposes it is essential to determine important performance param…
View article: Enabling Technologies for Silicon Microstrip Tracking Detectors at the HL-LHC
Enabling Technologies for Silicon Microstrip Tracking Detectors at the HL-LHC Open
While the tracking detectors of the ATLAS and CMS experiments have shown excellent performance in Run 1 of LHC data taking, and are expected to continue to do so during LHC operation at design luminosity, both experiments will have to exch…