R. Polifka
A5105518883- Particle physics theoretical and experimental studies
- High-Energy Particle Collisions Research
- Particle Detector Development and Performance
- Quantum Chromodynamics and Particle Interactions
- Dark Matter and Cosmic Phenomena
- Computational Physics and Python Applications
- Cosmology and Gravitation Theories
- Neutrino Physics Research
- Distributed and Parallel Computing Systems
- Particle Accelerators and Free-Electron Lasers
- Medical Imaging Techniques and Applications
- Superconducting Materials and Applications
- Radiation Detection and Scintillator Technologies
- Astrophysics and Cosmic Phenomena
- Black Holes and Theoretical Physics
- Muon and positron interactions and applications
- Structural Analysis of Composite Materials
- Digital Radiography and Breast Imaging
- SARS-CoV-2 detection and testing
- Atomic and Subatomic Physics Research
- Engineering and Materials Science Studies
- Statistical Distribution Estimation and Applications
- Big Data Technologies and Applications
- Particle accelerators and beam dynamics
Czech Technical University in Prague
2022-2024
Charles University
2011-2024
University of California, Santa Cruz
2023-2024
Institute for High Energy Physics
2023-2024
Institute of Science and Technology
2023-2024
University of Geneva
2023-2024
A. Alikhanyan National Laboratory
2024
The University of Adelaide
2019-2023
European Organization for Nuclear Research
2017-2023
Université Savoie Mont Blanc
2023
The first measurement of lepton-jet momentum imbalance and azimuthal correlation in lepton-proton scattering at high transfer is presented. These data, taken with the H1 detector HERA, are corrected for effects using an unbinned machine learning algorithm (multifold), which considers eight observables simultaneously this application. unfolded cross sections compared calculations performed within context collinear or transverse-momentum-dependent factorization quantum chromodynamics as well...
Abstract The H1 Collaboration reports the first measurement of 1-jettiness event shape observable $$\tau _1^b$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msubsup> <mml:mi>τ</mml:mi> <mml:mn>1</mml:mn> <mml:mi>b</mml:mi> </mml:msubsup> </mml:math> in neutral-current deep-inelastic electron-proton scattering (DIS). is equivalent to a thrust defined Breit frame. data sample was collected at HERA ep collider years 2003–2007 with center-of-mass energy...
Abstract The Breit frame provides a natural to analyze lepton–proton scattering events. In this reference frame, the parton model hard interactions between quark and an exchanged boson defines coordinate system such that struck is back-scattered along virtual photon momentum direction. Quantum Chromodynamics (QCD), higher order perturbative or non-perturbative effects can change picture drastically. As Bjorken- x decreases below one half, rather peculiar event signature predicted with...
The H1 Collaboration reports the first measurement of 1-jettiness event shape observable $\tau_1^b$ in neutral-current deep-inelastic electron-proton scattering (DIS). is equivalent to a thrust defined Breit frame. data sample was collected at HERA $ep$ collider years 2003-2007 with center-of-mass energy $\sqrt{s}=319\,\text{GeV}$, corresponding an integrated luminosity $351.1\,\text{pb}^{-1}$. Triple differential cross sections are provided as function $\tau_1^b$, virtuality $Q^2$, and...
The H1 Collaboration at HERA reports the first measurement of groomed event shape observables in deep inelastic electron-proton scattering (DIS) $\sqrt{s}=319$ GeV, using data recorded between years 2003 and 2007 with an integrated luminosity $351$ pb$^{-1}$. Event shapes provide incisive probes perturbative non-perturbative QCD. Grooming techniques have been used for jet measurements hadronic collisions; this paper presents application grooming to DIS data. analysis is carried out Breit...
Abstract The H1 Collaboration at HERA reports the first measurement of groomed event shape observables in deep inelastic electron-proton scattering (DIS) $$\sqrt{s} =319~$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> <mml:mo>=</mml:mo> <mml:mn>319</mml:mn> <mml:mspace/> </mml:mrow> </mml:math> GeV, using data recorded between years 2003 and 2007 with an integrated luminosity 351 $$\textrm{pb}^{-1}$$ <mml:msup>...
The latest results on the diffractive program at H1 and ZEUS experiments are presented.The new precision measurements of inclusive diffraction as well jet production in both deep-inelastic scattering photoproduction discussed.The first longitudinal structure function F D L forward jets described.
The latest results from the H1 experiment on diffractive dijet production in deep-inelastic scattering are presented. first jet measurements with a t agged leading proton described and discussed terms of parton densities Regge factorisation.