Wolfgang Funk

ORCID: 0000-0003-0422-6739
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About
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Research Areas
  • Particle physics theoretical and experimental studies
  • High-Energy Particle Collisions Research
  • Quantum Chromodynamics and Particle Interactions
  • Particle Detector Development and Performance
  • Dark Matter and Cosmic Phenomena
  • Computational Physics and Python Applications
  • Neutrino Physics Research
  • Cosmology and Gravitation Theories
  • Medical Imaging Techniques and Applications
  • Astrophysics and Cosmic Phenomena
  • Black Holes and Theoretical Physics
  • Atomic and Subatomic Physics Research
  • Distributed and Parallel Computing Systems
  • Contemporary Literature and Criticism
  • Virus-based gene therapy research
  • Radiation Detection and Scintillator Technologies
  • Particle Accelerators and Free-Electron Lasers
  • Gamma-ray bursts and supernovae
  • RNA Interference and Gene Delivery
  • Mesenchymal stem cell research
  • International Science and Diplomacy
  • Stochastic processes and financial applications
  • Shakespeare, Adaptation, and Literary Criticism
  • Archaeological Research and Protection
  • Narrative Theory and Analysis

European Organization for Nuclear Research
2013-2025

A. Alikhanyan National Laboratory
2022-2024

Institute of High Energy Physics
2022-2024

Johannes Gutenberg University Mainz
2017-2024

University of Antwerp
2024

Colorado State University
2023

Chulalongkorn University
2014

Leibniz University Hannover
2013

Université Claude Bernard Lyon 1
2011

Wayne State University
1999-2003

Abstract SND@LHC is a compact and stand-alone experiment designed to perform measurements with neutrinos produced at the LHC in pseudo-rapidity region of 7.2 < η 8.4. The located 480 m downstream ATLAS interaction point, TI18 tunnel. detector composed hybrid system based on an 830 kg target made tungsten plates, interleaved emulsion electronic trackers, also acting as electromagnetic calorimeter, followed by hadronic calorimeter muon identification system. able distinguish interactions...

10.1088/1748-0221/19/05/p05067 article EN cc-by Journal of Instrumentation 2024-05-01

10.1016/s0168-9002(02)01970-8 article EN Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment 2003-02-12

A bstract We present results of the Relic Axion Dark-Matter Exploratory Setup (RADES), a detector which is part CERN Solar Telescope (CAST), searching for axion dark matter in 34.67 μ eV mass range. radio frequency cavity consisting 5 sub-cavities coupled by inductive irises took physics data inside CAST dipole magnet first time using this filter-like haloscope geometry. An exclusion limit with 95% credibility level on axion-photon coupling constant g aγ ≳ 4 × 10 − 13 GeV 1 over range 34 ....

10.1007/jhep10(2021)075 article EN cc-by Journal of High Energy Physics 2021-10-01

The CAST-CAPP axion haloscope, operating at CERN inside the CAST dipole magnet, has searched for axions in 19.74 $\mu$eV to 22.47 mass range. detection concept follows Sikivie haloscope principle, where Dark Matter convert into photons within a resonator immersed magnetic field. is an array of four individual rectangular cavities inserted strong phase-matched maximize sensitivity. Here we report on data acquired 4124 h from 2019 2021. Each cavity equipped with fast frequency tuning mechanism...

10.1038/s41467-022-33913-6 article EN cc-by Nature Communications 2022-10-19

We report the direct observation of muon neutrino interactions with SND@LHC detector at Large Hadron Collider. A dataset proton-proton collisions sqrt[s]=13.6 TeV collected by in 2022 is used, corresponding to an integrated luminosity 36.8 fb^{-1}. The search based on information from active electronic components detector, which covers pseudorapidity region 7.2<η<8.4, inaccessible other experiments collider. Muon candidates are identified through their charged-current interaction topology, a...

10.1103/physrevlett.131.031802 article EN cc-by Physical Review Letters 2023-07-19

Abstract The Scattering and Neutrino Detector at the LHC (SND@LHC) started taking data beginning of Run 3 LHC. experiment is designed to perform measurements with neutrinos produced in proton-proton collisions an energy range between 100 GeV 1 TeV. It covers a previously unexplored pseudo-rapidity $$7.2&lt;\eta &lt;8.4$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mn>7.2</mml:mn> <mml:mo>&lt;</mml:mo> <mml:mi>η</mml:mi> <mml:mn>8.4</mml:mn> </mml:mrow>...

10.1140/epjc/s10052-023-12380-3 article EN cc-by The European Physical Journal C 2024-01-27

Hypothetical axions provide a compelling explanation for dark matter and could be emitted from the hot solar interior. The CERN Axion Solar Telescope has been searching via their back conversion to x-ray photons in 9-T 10-m long magnet directed toward Sun. We report on an extended run with International Observatory pathfinder detector, doubling previous exposure time. detector was operated xenon-based gas mixture part of new run, providing technical insights future configurations. No counts...

10.1103/physrevlett.133.221005 article EN cc-by Physical Review Letters 2024-11-27

We report on a first measurement with sensitive opto-mechanical force sensor designed for the direct detection of coupling real chameleons to matter. These dark energy candidates could be produced in Sun and stream unimpeded Earth. The KWISP detector installed CAST axion search experiment at CERN looks tiny displacements thin membrane caused by mechanical effect solar chameleons. are detected Michelson interferometer homodyne readout scheme. benefits from focusing action ABRIXAS X-ray...

10.1016/j.dark.2019.100367 article EN cc-by Physics of the Dark Universe 2019-09-02

Analytical and numerical calculations of threshold behavior electro-optical characteristics in twisted chiral nematic layers are presented, when weak anchoring the tilt twist angle director is assumed. An analytical expression for effective Fréedericksz voltage derived. In cells with bistabilities, we investigate influence parameters device on width hysteresis. Using 4×4-matrix formalism Berreman [J. Opt. Soc. Am. 62, 502 (1972)], demonstrate transmission-versus-voltage characteristic.

10.1063/1.349146 article EN Journal of Applied Physics 1991-10-15
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