Jan Steggemann

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Publications associées (207)

Search for light long-lived particles decaying to displaced jets in proton-proton collisions at √s=13.6TeV

Konstantin Androsov, Jan Steggemann, Anna Mascellani, Joanna Malgorzata Wanczyk

A search for light long-lived particles (LLPs) decaying to displaced jets is presented, using a data sample of proton-proton collisions at a center-of-mass energy of 13.6 TeV, corresponding to an integrated luminosity of 34.7 fb(-1), collected with the CMS ...

IOP Publishing Ltd2025

Search for Resonant Pair Production of Higgs Bosons in the B(b)over-barb(b)over-bar Final State Using Large-area Jets in Proton-proton Collisions at √s=13 Tev

Konstantin Androsov, Jan Steggemann, Joanna Malgorzata Wanczyk

A search is presented for the resonant production of a pair of standard model-like Higgs bosons using data from proton-proton collisions at a centre-of-mass energy of 13 TeV, collected by the CMS experiment at the CERN LHC in 2016-2018, corresponding to an ...

SPRINGER2025

Search for Fractionally Charged Particles in Proton-Proton Collisions at (Formula presented)

Konstantin Androsov, Jan Steggemann, Anna Mascellani, Joanna Malgorzata Wanczyk

A search is presented for fractionally charged particles with charges below (Formula presented), using their small energy loss in the tracking detector as a key variable to observe a signal. The analyzed dataset corresponds to an integrated luminosity of ( ...

2025

Differential Cross Section Measurements for the Production of Top Quark Pairs and of Additional Jets Using Dilepton Events From Pp Collisions at √s=13 Tev

Konstantin Androsov, Jan Steggemann, Anna Mascellani, Joanna Malgorzata Wanczyk

Differential cross sections for top quark pair (t (t) over bar) production are measured in proton-proton collisions at a center-of-mass energy of 13 TeV using a sample of events containing two oppositely charged leptons. The data were recorded with the CMS ...

SPRINGER2025

Measurement of the inclusive cross sections for W and Z boson production in proton-proton collisions at s = 5.02 and 13 TeV

Konstantin Androsov, Jan Steggemann, Anna Mascellani, Joanna Malgorzata Wanczyk

Measurements of fiducial and total inclusive cross sections for W and Z boson production are presented in proton-proton collisions at s = 5.02 and 13 TeV. Electron and muon decay modes (ℓ = e or μ) are studied in the data collected with the CMS detector in ...

2025

Model-agnostic Search for Dijet Resonances with Anomalous Jet Substructure in Proton-proton Collisions at S=13 Tev

Konstantin Androsov, Jan Steggemann, Anna Mascellani, Joanna Malgorzata Wanczyk

This paper presents a model-agnostic search for narrow resonances in the dijet final state in the mass range 1.8-6 TeV. The signal is assumed to produce jets with substructure atypical of jets initiated by light quarks or gluons, with minimal additional as ...

IOP Publishing Ltd2025

Search for Charged-lepton Flavor Violation in the Production and Decay of Top Quarks Using Trilepton Final States in Proton-proton Collisions at √s=13 Tev

Konstantin Androsov, Jan Steggemann, Anna Mascellani, Joanna Malgorzata Wanczyk

A search is performed for charged-lepton flavor violating processes in top quark (t) production and decay. The data were collected by the CMS experiment from proton-proton collisions at a center-of-mass energy of 13 TeV and correspond to an integrated lumi ...

AMER PHYSICAL SOC2025

Search for dark matter produced in association with a pair of bottom quarks in proton-proton collisions at s = 13 TeV

Konstantin Androsov, Jan Steggemann, Anna Mascellani, Joanna Malgorzata Wanczyk

A search for dark matter (DM) particles produced in association with bottom quarks is presented. The analysis uses proton-proton collision data at a center-of-mass energy of s = 13 TeV, corresponding to an integrated luminosity of 138 fb−1. The search is p ...

2025

Measurement of multidifferential cross sections for dijet production in proton–proton collisions at s=13TeV

Konstantin Androsov, Jan Steggemann, Anna Mascellani, Joanna Malgorzata Wanczyk

A measurement of the dijet production cross section is reported based on proton–proton collision data collected in 2016 at s=13TeV by the CMS experiment at the CERN LHC, corresponding to an integrated luminosity of up to 36.3fb-1. Jets are reconstructed wi ...

2025

Reweighting simulated events using machine-learning techniques in the CMS experiment

Konstantin Androsov, Jan Steggemann, Anna Mascellani, Joanna Malgorzata Wanczyk

Data analyses in particle physics rely on an accurate simulation of particle collisions and a detailed simulation of detector effects to extract physics knowledge from the recorded data. Event generators together with a geant-based simulation of the detect ...

2025

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