Explanipedia

Search for low-mass hidden-valley dark showers with non-prompt muon pairs in proton-proton collisions at $\sqrt{s}$ = 13 TeV Open

A. Tumasyan, Janik Walter Andrejkovic, M. Jeitler, Ang Li, Robert Schöfbeck , et al. · 2025

A search for signatures of a dark analog to quantum chromodynamics is performed. The analysis targets long-lived dark mesons that decay into standard-model particles, with a high branching fraction of the dark mesons decaying into muons. T…

Embedding the Timepix4 in Micro-Pattern Gaseous Detectors Open

L. Scharenberg, J. Alozy, W. Billereau, F. Brunbauer, M. Campbell , et al. · 2025

Integration of the FastIC front-end electronics into the Picosec MicroMegas detector Open

L. Scharenberg, J. Alozy, Y. Angelis, S. Aune, R. Ballabriga , et al. · 2025

Thanks to the BE-CEM-EPR electronics services, in particular Pascal Vulliez, for the design and manufacturing of the SLVS-to-CMOS multi-channel readout adapter. Further, the authors would like to acknowledge the support by the RD51 collabo…

Transforming a rare event search into a not-so-rare event search in real-time with deep learning-based object detection Open

J. Schueler, H. M. Araújo, S. N. Balashov, J. Borg, C. Brew , et al. · 2025

Deep learning-based object detection algorithms enable the simultaneous classification and localization of any number of objects in image data. Many of these algorithms are capable of operating in real-time on high resolution images, attri…

The ultra-low material budget GEM-based TPC for tracking with VMM3a readout Open

F. García, K.J. Flöthner, A. Amato, S. Biswas, F. Brunbauer , et al. · 2025

The Gaseous Electron Multiplier-based Time Projection Chamber (GEM-TPC) in TWIN configuration for particle tracking has been consolidated after extensive investigations in different facilities to study its tracking performance. The most at…

Towards MPGDs with embedded pixel ASICs Open

L. Scharenberg, J. Alozy, W. Billereau, F. Brunbauer, M. Campbell , et al. · 2025

Combining gaseous detectors with a high-granularity pixelated charge readout enables experimental applications which otherwise could not be achieved. This includes high-resolution tracking of low-energetic particles, requiring ultra-low ma…

PICOSEC Micromegas Precise-timing Detectors: Development towards Large-Area and Integration Open

Yue Meng, R. Aleksan, Y. Angelis, J Bortfeld, F. Brunbauer , et al. · 2025

PICOSEC Micromegas (MM) is a precise timing gaseous detector based on a Cherenkov radiator coupled with a semi-transparent photocathode and an MM amplifying structure. The detector conceprt was successfully demonstrated through a single-ch…

Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV Open

Aram Hayrapetyan, M. Dragicevic, Cristina Giordano, Priya Sajid Hussain, M. Jeitler , et al. · 2025

Inclusive and differential cross section measurements of top quark pair ($\mathrm{t\bar{t}}$) production in association with a photon ($γ$) are performed as a function of lepton, photon, top quark, and $\mathrm{t\bar{t}}$ kinematic observa…

Towards MPGDs with embedded pixel ASICs Open

L. Scharenberg, J. Alozy, W. Billereau, F. Brunbauer, M. Campbell , et al. · 2024

Combining gaseous detectors with a high-granularity pixelated charge readout enables experimental applications which otherwise could not be achieved. This includes high-resolution tracking of low-energetic particles, requiring ultra-low ma…

Photocathode characterisation for robust PICOSEC Micromegas precise-timing detectors Open

M. Lisowska, R. Aleksan, Y. Angelis, S. Aune, J. Bortfeldt , et al. · 2024

PICOSEC-Micromegas Detector, an innovative solution for Lepton Time Tagging Open

A. Kallitsopoulou, R. Aleksan, Y. Angelis, S. Aune, J. Bortfeldt , et al. · 2024

A novel diamond-like carbon based photocathode for PICOSEC Micromegas detectors Open

Xu Wang, R. Aleksan, Y. Angelis, J. Bortfeldt, F. Brunbauer , et al. · 2024

The PICOSEC Micromegas (MM) detector is a precise timing gaseous detector based on a MM detector operating in a two-stage amplification mode and a Cherenkov radiator. Prototypes equipped with cesium iodide (CsI) photocathodes have shown pr…

Spatial resolution improvements with finer-pitch GEMs Open

K.J. Flöthner, L. Scharenberg, A. Brask, F. Brunbauer, F. García , et al. · 2024

Gas Electron Multipliers (GEMs) are used in many particle physics experiments, employing their `standard' configuration with amplification holes of 140 μ m pitch in a hexagonal pattern. However, the collection of the charge cloud from the …

Transforming a rare event search into a not-so-rare event search in real-time with deep learning-based object detection Open

J Schueler, H. M. Araújo, S. Balashov, Jeremy Borg, C. Brew , et al. · 2024

Deep learning-based object detection algorithms enable the simultaneous classification and localization of any number of objects in image data. Many of these algorithms are capable of operating in real-time on high resolution images, attri…

Single channel PICOSEC Micromegas detector with improved time resolution Open

A. Utrobicic, R. Aleksan, Y. Angelis, J. Bortfeldt, F. Brunbauer , et al. · 2024

This paper presents design guidelines and experimental verification of a single-channel PICOSEC Micromegas (MM) detector with an improved time resolution. The design encompasses the detector board, vessel, auxiliary mechanical parts, and e…

Remote operation of the DIII-D National Fusion Facility Open

D. P. Schissel, Eunjung Cho, S. Flanagan, F. García, C. Liu , et al. · 2024

Full remote scientific operation of the DIII-D National Fusion Facility is now possible through significant advances in the computer science hardware and software infrastructure made over the last decade. Capabilities around information vi…

Characterisation of resistive MPGDs with 2D readout Open

L. Scharenberg, F. Brunbauer, H. O. Danielsson, Zhujun Fang, K.J. Flöthner , et al. · 2024

Micro-Pattern Gaseous Detectors (MPGDs) with resistive anode planes provide intrinsic discharge robustness while maintaining good spatial and time resolutions. Typically read out with 1D strips or pad structures, here the characterisation …

Characterisation of resistive MPGDs with 2D readout Open

L. Scharenberg, F. Brunbauer, H. Danielson, Zhujun Fang, K. J. Flöthner , et al. · 2024

Micro-Pattern Gaseous Detectors (MPGDs) with resistive anode planes provide intrinsic discharge robustness while maintaining good spatial and time resolutions. Typically read out with 1D strips or pad structures, here the characterisation …

Towards robust PICOSEC Micromegas precise timing detectors Open

M. Lisowska, Y. Angelis, S. Aune, J. Bortfeldt, F. Brunbauer , et al. · 2023

The PICOSEC Micromegas (MM) detector is a precise timing gaseous detector consisting of a Cherenkov radiator combined with a photocathode and a MM amplifying structure. A 100-channel PICOSEC MM prototype with 10 × 10 cm 2 active area equip…

A large area 100-channel PICOSEC Micromegas detector with time resolution at the 20 ps level Open

A. Utrobicic, Y. Angelis, J. Bortfeldt, F. Brunbauer, Evridki Chatzianagnostou , et al. · 2023

The PICOSEC Micromegas precise timing detector is based on a Cherenkov radiator coupled to a photocathode operating in a semi-transparent mode and a Micromegas amplification structure. The first proof of concept single-channel prototype wa…

The novel XYU-GEM to resolve ambiguities Open

K.J. Flöthner, F. Brunbauer, S. Ferry, F. García, D. Janssens , et al. · 2023

Removing ambiguities within a single stage becomes crucial when one can not use multiple detectors behind each other to resolve them which naturally is the case for neutral radiation. An example would be RICH detectors. Commonly, pixilated…

Performance of the new RD51 VMM3a/SRS beam telescope — studying MPGDs simultaneously in energy, space and time at high rates Open

L. Scharenberg, J. Bortfeldt, F. Brunbauer, K. Desch, K.J. Flöthner , et al. · 2023

The RD51 collaboration maintains a common infrastructure at CERN for its R & D activities, including two beam telescopes for test beam campaigns. Recently, one of the beam telescopes has been equipped and commissioned with new multi-channe…

The MIGDAL experiment: Measuring a rare atomic process to aid the search for dark matter Open

H. M. Araújo, S. Balashov, J. Borg, F. Brunbauer, C. Cazzaniga , et al. · 2023

We present the Migdal In Galactic Dark mAtter expLoration (MIGDAL) experiment aiming at the unambiguous observation and study of the so-called Migdal effect induced by fast-neutron scattering. It is hoped that this elusive atomic process c…

Table S3 from AACR Project GENIE: Powering Precision Medicine through an International Consortium Open