Die vorliegenden Publikationen von Dr. Markus Schulze zeigen ein stark fragmentiertes und inkohärentes Profil, das keine klare aktuelle Forschungslinie erkennen lässt. Während die Projektdaten (GRK 2575, DFG-Sachbeihilfe) auf Expertise in theoretischer Physik und Quantenfeldtheorie hindeuten, umfasst die Publikationsliste völlig disparate Themen: von Krebsgenomik und Immunologie über Physiotherapie und VR-Anwendungen bis zu antarktischer Eisforschung. Dies deutet entweder auf Dateninkonsistenzen hin oder auf eine Person, die in sehr unterschiedlichen Kontexten publiziert. Eine verlässliche Einschätzung des aktuellen Forschungsschwerpunkts und des industriellen Anwendungsnutzens ist auf Basis dieses Materials nicht möglich.
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Dr. Markus Schulze
HU-FIS-Profil ↗GRK 2575/2: Überdenken der Quantenfeldtheorie
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GRK 2575/2: Überdenken der Quantenfeldtheorie
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Förderer: DFG Sachbeihilfe Zeitraum: 11/2017 - 10/2019 Projektleitung: Dr. Markus Schulze
Förderer: DFG Graduiertenkolleg Zeitraum: 04/2020 - 09/2024 Projektleitung: Prof. Dr. Jan Plefka
Förderer: DFG Graduiertenkolleg Zeitraum: 10/2024 - 03/2029 Projektleitung: Prof. Dr. Jan Plefka
Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D, Particles, fields, gravitation, and cosmology · DOI
We study the production of a single resonance at the LHC and its decay into a pair of $Z$ bosons. We demonstrate how full reconstruction of the final states allows us to determine the spin and parity of the resonance and restricts its coupling to vector gauge bosons. Full angular analysis is illustrated with the simulation of the production and decay chain, including all spin correlations and the most general couplings of spin-zero, -one, and -two resonances to standard model matter and gauge fields. We note implications for analysis of a resonance decaying to other final states.
Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D, Particles, fields, gravitation, and cosmology · DOI
The experimental determination of the properties of the newly discovered boson at the Large Hadron Collider is currently the most crucial task in high-energy physics. We show how information about the spin, parity, and, more generally, the tensor structure of the boson couplings can be obtained by studying angular and mass distributions of events in which the resonance decays to pairs of gauge bosons, $ZZ$, $WW$, and $\ensuremath{\gamma}\ensuremath{\gamma}$. A complete Monte Carlo simulation of the process $pp\ensuremath{\rightarrow}X\ensuremath{\rightarrow}VV\ensuremath{\rightarrow}4f$ is performed and verified by comparing it to an analytic calculation of the decay amplitudes $X\ensuremath{\rightarrow}VV\ensuremath{\rightarrow}4f$. Our studies account for all spin correlations and include general couplings of a spin $J=0$, 1, 2 resonance to Standard Model particles. We also discuss how to use angular and mass distributions of the resonance decay products for optimal background rejection. It is shown that by the end of the 8 TeV run of the LHC, it might be possible to separate extreme hypotheses of the spin and parity of the new boson with a confidence level of 99% or better for a wide range of models. We briefly discuss the feasibility of testing scenarios where the resonance is not a parity eigenstate.
Physical Review Letters · DOI
We present precise predictions for Higgs boson production in association with a jet. We work in the Higgs effective field theory framework and compute next-to-next-to-leading order QCD corrections to the gluon-gluon and quark-gluon channels, which is sufficient for reliable LHC phenomenology. We present fully differential results as well as total cross sections for the LHC. Our next-to-next-to-leading order predictions reduce the unphysical scale dependence by more than a factor of 2 and enhance the total rate by about twenty percent compared to next-to-leading order QCD predictions. Our results demonstrate for the first time satisfactory convergence of the perturbative series.