A5000591908- Particle physics theoretical and experimental studies
- High-Energy Particle Collisions Research
- Quantum Chromodynamics and Particle Interactions
- Dark Matter and Cosmic Phenomena
- Cosmology and Gravitation Theories
- Particle Detector Development and Performance
- Particle Accelerators and Free-Electron Lasers
- Superconducting Materials and Applications
- Computational Physics and Python Applications
- Neutrino Physics Research
- Black Holes and Theoretical Physics
- Atomic and Subatomic Physics Research
- Astrophysics and Cosmic Phenomena
- Distributed and Parallel Computing Systems
- Particle accelerators and beam dynamics
- Quantum Mechanics and Applications
- Nuclear Physics and Applications
- Pulsars and Gravitational Waves Research
- Medical Imaging Techniques and Applications
- Advanced X-ray Imaging Techniques
- Laser-Matter Interactions and Applications
- Parallel Computing and Optimization Techniques
- Advanced Thermodynamics and Statistical Mechanics
- Cold Atom Physics and Bose-Einstein Condensates
- Galaxies: Formation, Evolution, Phenomena
University of Münster
2015-2024
UNSW Sydney
2022-2024
University of Jyväskylä
2020-2023
University of Helsinki
2020-2023
Institute of Nuclear Physics, Polish Academy of Sciences
2022-2023
Johannes Gutenberg University Mainz
2023
Technical University of Munich
2023
Helsinki Institute of Physics
2020-2023
AGH University of Krakow
2023
University of Kansas
2023
We describe the Resummino package, a C++ and Fortran program dedicated to precision calculations in framework of gaugino slepton pair production at hadron colliders. This code allows calculate transverse-momentum invariant-mass distributions as well total cross sections by combining next-to-leading order predictions obtained means perturbative QCD with resummation large logarithmic contributions arising small region close threshold. The results computed this way benefit from reduced...
We compute the dominant QED correction to neutrino-electron interaction rate in vicinity of neutrino decoupling early universe, and estimate its impact on effective number species $N_{\rm eff}$ cosmic microwave background anisotropy observations. find that is at sub-percent level, consistent with a recent by Jackson Laine. Relative work we include electron mass our computations, but restrict analysis enhanced $t$-channel contributions. The fractional change eff}^{\rm SM}$ due order $10^{-5}$...
Abstract We propose a simple extension to the Standard Model, wherein neutrinos naturally attain small Majorana masses through one-loop radiative mechanism featuring particles within loops characterized by milli-charges. Unlike conventional scotogenic model, our approach avoids imposing discrete symmetry or expanding gauge sector. The minuscule electric charges ensure stability of lightest particle loop as viable dark matter candidate. systematically investigate for both, freeze-in and...
We analyze the production of charginos, neutralinos, and sleptons at hadron colliders Tevatron LHC in direct channels $p\overline{p}/pp\ensuremath{\rightarrow}{\stackrel{\ifmmode \tilde{}\else \~{}\fi{}}{\ensuremath{\chi}}}_{i}{\stackrel{\ifmmode \~{}\fi{}}{\ensuremath{\chi}}}_{j}+X$ $\stackrel{\ifmmode \~{}\fi{}}{\ensuremath{\ell}}{\stackrel{\stackrel{\ifmmode \~{}\fi{}}{\ensuremath{\ell}}}{\ifmmode\bar\else\textasciimacron\fi{}}}^{\ensuremath{'}}+X$. The cross sections for these reactions...
Motivated by hints for a light Standard Model-like Higgs boson and shift in experimental attention towards electroweak supersymmetry particle production at the CERN LHC, we update this paper our precision predictions next-to-leading order of perturbative QCD matched to resummation logarithmic accuracy direct gaugino pair proton-proton collisions with center-of-mass energy 8 TeV. Tables total cross sections are presented together corresponding scale parton density uncertainties benchmark...
The future opportunities for high-density QCD studies with ion and proton beams at the LHC are presented. Four major scientific goals identified: characterisation of macroscopic long wavelength Quark-Gluon Plasma (QGP) properties unprecedented precision, investigation microscopic parton dynamics underlying QGP properties, development a unified picture particle production from small (pp) to large (nucleus--nucleus) systems, exploration densities in nuclei broad ($x$, $Q^2$) kinematic range...
We present a review of the conceptual basis, current knowledge, and recent progress regarding global analysis nuclear parton distribution functions (PDFs). After introducing theoretical foundations methodological approaches for extraction PDFs from experimental data, we discuss how different measurements in fixed-target collider experiments provide increasingly precise constraints on various aspects PDFs, including shadowing, antishadowing, EMC effect, Fermi motion, flavor separation,...
Baryon and lepton numbers being accidental global symmetries of the Standard Model (SM), it is natural to promote them local symmetries. However, preserve anomaly-freedom, only combinations B–L are viable. In this spirit, we investigate possible dark matter realizations in context $$U(1)_\mathrm{B{-}L}$$ model: (i) Dirac fermion with unbroken B–L; (ii) broken (iii) scalar matter; (iv) two-component matter. We compute relic abundance, direct indirect detection observables confront recent...
Motivated by the shift in experimental attention towards electroweak super-symmetric particle production at CERN LHC, we update this paper our precision predictions next-to-leading order of perturbative QCD matched to resummation logarithmic accuracy for direct slepton pair proton-proton collisions. Simplified models, now commonly adopted collaborations selectrons and smuons as well mixing staus, are used benchmarks total cross sections achieved future center-of-mass energies. They presented...
Electron Ion Collider (EIC) is a particle accelerator facility planned for construction at Brookhaven National Laboratory on Long Island, New York by the United States Department of Energy. EIC will provide capabilities colliding beams polarized electrons with proton and light ions. be one largest most sophisticated new facilities worldwide, only large-scale in next few decades. The versatility, resolving power intensity present many opportunities to address some crucial fundamental open...
The goal of this white paper is to give a comprehensive overview the rich field forward physics.We discuss occurrences BFKL re-summation effects in special final states, such as Mueller-Navelet jets, jet-gap-jets, and heavy quarkonium production.It further addresses TMD factorization at low x manifestation semi-hard saturation scale (generalized) PDFs.More theoretical aspects low-x physics, probes quark-gluon plasma, well possibility use photonhadron collisions LHC constrain hadronic...
Abstract Due to the greater experimental precision expected from currently ongoing LHC Run 3, equally accurate theoretical predictions are essential. We update documentation of Resummino package, a program dedicated cross section calculations for production pair sleptons, electroweakinos, and leptons in presence extra gauge bosons, an associated electroweakino-squark or electroweakino-gluino pair. detail different additions that have been released since initial version decade ago, then use...
This report summarizes a study of the physics potential CLIC e+e- linear collider operating at centre-of-mass energies from 1 TeV to 5 with luminosity order 10^35 cm^-2 s^-1. First, complex is surveyed, emphasis on aspects related its capabilities, particularly and energy, also possible polarization, \gamma\gamma e-e- collisions. The next Test facility, CTF3, R&D programme are reviewed. We then discuss experimentation CLIC, including backgrounds experimental conditions, present conceptual...
The author reviews the present theoretical understanding of photons and hard photoproduction processes, discussing production jets, light heavy hadrons, quarkonia, prompt in photon-photon photon-hadron collisions. Virtual polarized prompt-photon hadron collisions are also discussed. most important leading-order next-to-leading-order quantum chromodynamics results compiled analytic form. A large variety numerical predictions is compared to data from TRISTAN, LEP, HERA extended future electron...
The inert Higgs model is a minimal extension of the Standard Model that features viable dark matter candidate, so-called (${H}^{0}$). In this paper, we compute and analyze dominant electroweak corrections to direct detection cross section within model. These arise from one-loop diagrams mediated by gauge bosons that, contrary tree-level result, do not depend on unknown scalar coupling $\ensuremath{\lambda}$. We study in detail these contributions show they can modify significant way...
We compute the full O(alpha_s) supersymmetric QCD corrections for neutralino-stop co-annihilation into electroweak gauge and Higgs bosons in Minimal Supersymmetric Standard Model (MSSM). show that these annihilation channels are phenomenologically relevant within so-called phenomenological MSSM, particular light of observation a Higgs-like particle with mass about 126 GeV at LHC. present detail our calculation, including renormalization scheme, infrared treatment, kinematical subtleties to...
This document provides a writeup of all contributions to the workshop on "High precision measurements $α_s$: From LHC FCC-ee" held at CERN, Oct. 12--13, 2015. The explored in depth latest developments determination QCD coupling $α_s$ from 15 methods where high are (or will be) available. Those include low-energy observables: (i) lattice QCD, (ii) pion decay factor, (iii) quarkonia and (iv) $τ$ decays, (v) soft parton-to-hadron fragmentation functions, as well high-energy (vi) global fits...