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Joanna Malgorzata Wanczyk

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Related publications (128)

Page 3 of 7

Constraints on anomalous Higgs boson couplings from its production and decay using the WW channel in proton-proton collisions at √s=13 TeV

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

A study of the anomalous couplings of the Higgs boson to vector bosons, including CP-violation effects, has been conducted using its production and decay in the WW channel. This analysis is performed on proton-proton collision data collected with the CMS d ...

SPRINGER2024

Search for high-mass exclusive diphoton production with tagged protons in proton-proton collisions at √s=13 TeV

Emilio Perez, Thomas L. Sterling, Jiahui Fan, Mateusz Adam Dabrowski, Ian Smith, Matthias Finger, Jian Zhao, Jan Steggemann, Konstantin Androsov, Qian Wang, Michele De Palma, Anna Mascellani, Yi Zhang, Jian Wang, Joanna Malgorzata Wanczyk, Pedro Camilo de Oliveira e Silva, Rakesh Chawla, Myun Sik Kim, Thomas Mountford, Varun Sharma, Mirko Kovac, Shivom Sharma, Chang-Hyun Park, Jae-Woo Choi, Rahul Kumar Gupta, Hua Zhang, Mike Seidel, Joo Yeon Kim, Matteo Galli, Matthias Wolf, James Gonzalo King, Shubhajit Das, Xiaoqiang Wang, Zhenyu Wang, Xin Chen, Gabriele Grosso, Rishi Sharma, Chia-Chun Chen, Jia Liu, Jung Eung Park, Ekaterina Kuznetsova, Siyuan Wang, Mithlesh Kumar, Chenyang Wang, Xiaoxin Gao, Aman Sharma, Junyin Zhang, Subham Choudhury, Seonwoo Lee, Mingyang Liu, Davide Di Croce, Patrick Berger, Jordy Daniel Müller, Marie Jane Francine Jones, Wei-Hsiang Lin, Wanyun Xie, Hyungjun Lee, Vu Trung Tin Nguyen, Junfeng Xiao, Wanting Jin, Zeming Chen, Maria Isabel Cordero Campana, Young Min Kim, Ling Zhou, Weilin Li, Haoze He, Andrea Santoro, Thomas Ka Chung Lam, Özdemir Can Kara, Bokyoung Kim, Notash Shafiei, Shaohui Yang, Haiyuan Wang, Youngro Lee, Dong Hyun Kim, Florian Hartmann, Muhammad Awais Naeem, Lu Wang, Shailesh Mishra, Tianqi Liu, Zhuan Shi, Leyu Zhang, Yihong Chen, Changliang Li, Sudipto Sarkar, Fang Wang, Yikai Yang, Boya Wang, Guoyuan Liu, Venu Gopal Agarwal, Zihan Wu, Hong-Bin Yang, Yunzhen Yao, Chenxu Liu, Xiaowu Sun, Zihan Hu

A search is presented for high-mass exclusive diphoton production via photon-photon fusion in proton-proton collisions at root s = 13 TeV in events where both protons survive the interaction. The analysis utilizes data corresponding to an integrated lumino ...

AMER PHYSICAL SOC2024

KS0 and Λ((Λ)over-bar) two-particle femtoscopic correlations in PbPb collisions at √sNN=5.02 TeV

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

Two-particle correlations are presented for K-S(0), Lambda, and (Lambda) over bar strange hadrons as a function of relative momentum in lead-lead collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV. The dataset corresponds to an integrated lu ...

ELSEVIER2024

Search for a new resonance decaying into two spin-0 bosons in a final state with two photons and two bottom quarks in proton-proton collisions at √s=13 TeV

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

A search for a new boson X is presented using CERN LHC proton-proton collision data collected by the CMS experiment at root s = 13 TeV in 2016-2018, and corresponding to an integrated luminosity of 138 fb(-1). The resonance X decays into either a pair of H ...

Springer Nature2024

Search for supersymmetry in final states with disappearing tracks in proton-proton collisions at √s=13 TeV

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

A search is presented for charged, long-lived supersymmetric particles in final states with one or more disappearing tracks. The search is based on data from proton-proton collisions at a center-of-mass energy of 13 TeV collected with the CMS detector at t ...

American Physical Society2024

Measurement of the Higgs Boson Mass and Width Using the Four-lepton Final State in Proton-proton Collisions at √s=13 Tev

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

A measurement of the Higgs boson mass and width via its decay to two Z bosons is presented. Proton-proton collision data collected by the CMS experiment, corresponding to an integrated luminosity of 138 fb(-1) at a center-of-mass energy of 13 TeV, is used. ...

AMER PHYSICAL SOC2025

Search for stealth supersymmetry in final states with two photons, jets, and low missing transverse momentum in proton-proton collisions at √s=13 TeV

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

The results of a search for stealth supersymmetry in final states with two photons and jets, targeting a phase space region with low missing transverse momentum (p(miss) (T)), are reported. The study is based on a sample of proton-proton collisions at root ...

American Physical Society2024

Observation of the Ξb- → ψ(2S)Ξ- decay and studies of the Ξb (5945)0 baryon in proton-proton collisions at √s=13 TeV

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

The first observation of the decay Xi(-)(b) -> psi(2S)Xi(-) and measurement of the branching ratio of Xi(-)(b) -> psi(2S)Xi(-) to Xi(-)(b) -> J/psi Xi(-) are presented. The J/psi and psi(2S) mesons are reconstructed using their dimuon decay modes. The resu ...

AMER PHYSICAL SOC2024

Search for dark QCD with emerging jets in proton-proton collisions at √s=13 TeV

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

A search for "emerging jets" produced in proton-proton collisions at a center-of-mass energy of 13 TeV is performed using data collected by the CMS experiment corresponding to an integrated luminosity of 138 fb(-1). This search examines a hypothetical dark ...

SPRINGER2024

Muon identification using multivariate techniques in the CMS experiment in proton-proton collisions at √s=13 TeV

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

The identification of prompt and isolated muons, as well as muons from heavy -flavour hadron decays, is an important task. We developed two multivariate techniques to provide highly efficient identification for muons with transverse momentum greater than 1 ...

Iop Publishing Ltd2024

Search for Higgs boson pair production in the b(b)over-barW+W- decay mode in proton-proton collisions at √s=13 TeV

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

A search for Higgs boson pair (HH) production with one Higgs boson decaying to two bottom quarks and the other to two W bosons are presented. The search is done using proton-proton collisions data at a centre-of-mass energy of 13TeV, corresponding to an in ...

SPRINGER2024

Search for a resonance decaying to a W boson and a photon in proton-proton collisions at √s=13 TeV using leptonic W boson decays

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

A search for a new charged particle X with mass between 0.3 and 2.0TeV decaying to a W boson and a photon is presented, using proton-proton collision data at a center-of-mass energy of 13TeV, collected by the CMS experiment and corresponding to an integrat ...

SPRINGER2024

A search for decays of the Higgs boson to invisible particles in events with a top-antitop quark pair or a vector boson in proton-proton collisions at √s=13TeV

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

Asearch for decays to invisible particles of Higgs bosons produced in association with a top-antitop quark pair or a vector boson, which both decay to a fully hadronic final state, has been performed using proton-proton collision data collected at √s = 13 ...

Springer2023

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

Jan Steggemann, Konstantin Androsov, 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 ...

Springer2025

Observation of Quantum Entanglement in Top Quark Pair Production in Proton-proton Collisions at √s=13 Tev

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

Entanglement is an intrinsic property of quantum mechanics and is predicted to be exhibited in the particles produced at the Large Hadron Collider. A measurement of the extent of entanglement in top quark-antiquark (t (t) over bar) events produced in proto ...

IOP Publishing Ltd2024

Performance of the CMS high-level trigger during LHC Run 2

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

The CERN LHC provided proton and heavy ion collisions during its Run 2 operation period from 2015 to 2018. Proton-proton collisions reached a peak instantaneous luminosity of 2.1 x 10(34) cm(-2)s(-1), twice the initial design value, at root s = 13 TeV. The ...

IOP Publishing Ltd2024

Search for CP violation in D0 → KS0KS0 decays in proton-proton collisions at √s=13TeV

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

A search is reported for charge-parity CP violation in D-0 -> (KSKS0)-K-0 decays, using data collected in proton-proton collisions at root s =13 TeV recorded by the CMS experiment in 2018. The analysis uses a dedicated data set that corresponds to an integ ...

SPRINGER2024

Search for long-lived heavy neutral leptons in proton-proton collision events with a lepton-jet pair associated with a secondary vertex at s = 13 TeV

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

A search for long-lived heavy neutral leptons (HNLs) using proton-proton collision data corresponding to an integrated luminosity of 138 fb−1 collected at s = 13 TeV with the CMS detector at the CERN LHC is presented. Events are selected with a charged lep ...

2025

Measurement of the cross section of top quark-antiquark pair production in association with a W boson in proton-proton collisions at √s=13 TeV

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

The production of a top quark-antiquark pair in association with a W boson (t (t) over barW) is measured in proton-proton collisions at a center-of-mass energy of 13TeV. The analyzed data was recorded by the CMS experiment at the CERN LHC and corresponds ...

Springer Nature2023

Search for heavy long-lived charged particles with large ionization energy loss in proton-proton collisions at s = 13 TeV

Jan Steggemann, Konstantin Androsov, Anna Mascellani, Joanna Malgorzata Wanczyk, Paul Théodore Gabriel Pablo De Bryas Dexmiers d'Archiac

A search for heavy, long-lived, charged particles with large ionization energy loss within the silicon tracker of the CMS experiment is presented. A data set of proton-proton collisions at a center of mass energy at s = 13 TeV, collected in 2017 and 2018 a ...

Springer2025