Joanna Malgorzata Wanczyk

Cette personne n’est plus à l’EPFL

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Publications associées (129)

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

Search for New Resonances Decaying to Pairs of Merged Diphotons in Proton-Proton Collisions at (Formula presented)

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

A search is presented for an extended Higgs sector with two new particles, (Formula presented) and (Formula presented), in the process (Formula presented). Novel neural networks classify events with diphotons that are merged and determine the diphoton mass ...

2025

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