Publications

Joanna Helena Kuczynska, S. C. Hopkins, Carmine Senatore and T. Boutboul

IEEE transactions on applied superconductivity 35 5, 6000306, 1-6 (2025)

Debajyoti Sengupta, Stephen Mulligan, David Shih, Johnny Raine and Tobias Golling

Monthly notices of the Royal Astronomical Society 536 2, stae2570, 1104-1111 (2025)

We present SkyCURTAINs, a data driven and model agnostic method to search for stellar streams in the Milky Way galaxy using data from the Gaia telescope. SkyCURTAINs is a weakly supervised machine learning algorithm that builds a background enriched template in the signal region by leveraging the…

Maurice Bourquin, Manbing Li, Mercedes Paniccia, Divic Jean Rapin and Jiahui Wei

Physical review letters 134 5, 051002 (2025)

We present results over an 11-year Solar cycle of cosmic antiprotons based on 1.1×10^{6} events in the rigidity range from 1.00 to 41.9 GV. The p[over ¯] fluxes exhibit distinct properties. The magnitude of the p[over ¯] flux temporal variation is significantly smaller than those of p, e^{-},…

Maurice Bourquin, Manbing Li, Mercedes Paniccia, Divic Jean Rapin and Jiahui Wei

Physical review letters 134 5, 051001 (2025)

We report the properties of precision time structures of cosmic nuclei He, Li, Be, B, C, N, and O fluxes over an 11-year solar cycle from May 2011 to November 2022 in the rigidity range from 1.92 to 60.3 GV. The nuclei fluxes show similar but not identical time variations with amplitudes decreasing …

Maurice Bourquin, Manbing Li, Mercedes Paniccia, Divic Jean Rapin and Jiahui Wei

Physical review letters 134 20, 201001 (2025)

We present the first measurement of cosmic-ray fluxes of Li6 and Li7 isotopes in the rigidity range from 1.9 to 25 GV. The measurements are based on 0.97 million Li6 and 1.04 million Li7 nuclei collected by the Alpha Magnetic Spectrometer on the International Space Station from May 2011 to October…

Fabio Acerbi, Aramis Raiola, Cyril Martin Alispach, Hossein Arabi, Habib Zaidi, Alberto Gola and Domenico Della Volpe

Instruments 9 2, 14 (2025)

In the continuous pursuit of minimally invasive interventions while ensuring a radical excision of lesions, Radio-Guided Surgery (RGS) has been for years the standard for image-guided surgery procedures, such as the Sentinel Lymph Node biopsy (SLN), Radio-guided Seed Localization (RSL), etc. In…

Astronomy & astrophysics 698, A283 (2025)

Context. Geminga is the third gamma-ray pulsar firmly detected by imaging atmospheric Cherenkov telescopes (IACTs) after the Crab and the Vela pulsars. Most of its emission is expected at tens of giga-electronvolts, and, out of the planned telescopes of the upcoming Cherenkov Telescope Array…

Cyril Martin Alispach, A. Araudo, Matteo Balbo, V. Beshley, J. Blažek, J. Borkowski, S. Boula, T. Bulik, Franck Cadoux, S. Casanova, A. Christov, J. Chudoba, L. Chytka, P. Čechvala, P. Dědic, Domenico Della Volpe, Yannick Favre, M. Garczarczyk, L. Gibaud, T. Gieras, E. Glowacki, P. Hamal, Matthieu Heller, M. Hrabovský, P. Janeček, M. Jelínek, V. Jílek, J. Juryšek, V. Karas, Bastien Lacave, Etienne Lyard, E. Mach, D. Mandát, W. Marek, S. Michal, J. Michałowski, M. Miroń, R. Moderski, Teresa Montaruli, A. Muraczewski, S. R. Muthyala, A. L. Müller, Andrii Nagai, K. Nalewajski, D. Neise, J. Niemiec, M. Nikołajuk, V. Novotný, M. Ostrowski, M. Palatka, M. Pech, M. Prouza, P. Schovanek, Vitalii Sliusar, Ł. Stawarz, R. Sternberger, Magdalena Maria Stodulska, J. Świerblewski, P. Świerk, J. Štrobl, T. Tavernier, P. Trávníček, Isaac Troyano Pujadas, J. Vícha, Roland Walter and K. Ziętara

Astronomy & astrophysics 699, A255 (2025)

The Single-Mirror Small-Size Telescope (SST-1M) stereoscopic system is composed of two Imaging Atmospheric Cherenkov Telescopes (IACTs) designed to deliver optimal performance for gamma-ray astronomy in the multi-TeV energy range. It features a 4-m diameter tessellated mirror dish and an innovative …

Merlin Reynaard Kole, Nicolas De Angelis, Nicolas Produit, Franck Cadoux, Yannick Favre, Jochen Greiner, Johannes Hulsman, Sebastian Kusyk, Hancheng Li, Dominik Rybka, Jérôme Stauffer, Adrien Stil, Jianchao Sun, Jan Swakon, Damian Wrobel and Xin Wu

Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment 1080, 170782 (2025)

The advent of both multi-messenger and time-domain astrophysics over the last decade has seen a large interest in the development of small-scale, cheap, and robust gamma-ray detectors. This has been further encouraged by the availability of CubeSat platforms. Of particular interest are detectors…

Noshin Noshin Tarannum

Thèse, 180 (2025)

This thesis presents the Forward Search Experiment (FASER) and its role in exploring physics beyond the Standard Model by detecting long-lived particles produced in the far-forward region of the ATLAS Interaction Point at the LHC. The work focuses on the search for axion-like particles (ALPs),…

Aramis Raiola, Fabio Acerbi, Cyril Martin Alispach, Hossein Arabi, Domenico Della Volpe, Alberto Gola and Habib Zaidi

Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment 1080, 170774 (2025)

Position-sensitive SiPMs are useful in all light detection applications requiring a small number of readout channels while preserving the information about the incoming light’s interaction position. Focusing on a 2 × 2 array of LG-SiPMs covering an area of ∼ 15.5 × 15.5 mm² with…

Andrea Serpolla, Andrii Tykhonov, Paul Coppin, Manbing Li, Andrii Kotenko, Enzo Putti-Garcia, Hugo Valentin Boutin, Mikhail Stolpovskiy, Jennifer Maria Frieden, Chiara Perrina and Xin Wu

Preprint (2025)

The Dark MAtter Particle Explorer (DAMPE) instrument is a space-born cosmic-ray detector, capable of measuring ion fluxes up to $\sim$500 TeV/n. This energy scale is made accessible through its calorimeter, which is the deepest currently operating in orbit. Saturation of the calorimeter readout…

Matteo Milanesio

Thèse, 201 (2025)

This thesis presents the development and characterization of monolithic silicon detectors with precise time resolution developer in the context of the MONOLITH project. Three generations of prototypes were fabricated using SiGe BiCMOS technology, using hexagonal pixels with a pitch of \SI{100}{\um} …

Debajyoti Sengupta

Thèse, 211 (2025)

The primary objective of general-purpose detectors at the Large Hadron Collider (LHC) is to identify new physics beyond the Standard Model (SM). A critical component of these analyses involves simulating data for comparison with real detector outputs. The demand for simulated data escalates…

Konstantinos Axiotis

Thèse, 163 (2025)

The nature of dark matter, the imbalance between matter and antimatter, and the properties of the Higgs boson are among the fundamental questions in high-energy physics studied by experiments like ATLAS at the LHC. The high collision rates and massive data volumes produced by the ATLAS experiment…

Samuel Klein

Thèse (2025)

The Large Hadron Collider at CERN has collected a vast amount of data at the highest energies ever achieved in a laboratory setting. This data has allowed for the discovery of the Higgs boson and the precise measurements of properties of the Standard Model of particle physics. No new particles have …

Rafaella Eleni Kotitsa

Thèse, 259 (2025)

The FASER experiment at the LHC aims to detect new, long-lived particles. To enhance its sensitivity, a high-resolution tungsten-silicon (W-Si) preshower detector was developed to distinguish closely spaced TeV-scale photons with separations as small as 200 \textmu m. The detector will utilize a…

David Gancarcik, Axel Bernhard, Marco Bonura, Cédric Hernalsteens, Anke-Susanne Müller, Jonathan Schubert, Carmine Senatore, Andreas Will and Daniel Wollmann

IEEE transactions on applied superconductivity 35 7, 4004215 (2025)

High-energy hadron colliders with multi-TeV centre-of-mass energies require high-field superconducting magnets. Examples include the large hadron collider (LHC) and its high-luminosity upgrade (HL-LHC), as well as future projects such as the future circular collider (FCC-hh) and super…

Stefano Franchellucci

Thèse (2025)

The ATLAS experiment comprises one of the largest scientific collaborations in the history of the natural sciences, exploring physical phenomena at the smallest probed scales. The known elementary particles and their fundamental interactions are described by the Standard Model (SM). This theory…

Trevor Hennington, Mobin Mobaseri, Johannes Hulsman and Vishal Kumar

Rapport technique, 15 (2025)

Malte Algren, Mario Alves Cardoso, Claire Antel, Konstantinos Axiotis, Léon Bozianu, Vilius Cepaitis, Allan Geoffrey Clark, Domenico Della Volpe, Mariia Drozdova, Lukas Ehrke, Didier Ferrere, Stefano Franchellucci, Alexander Froch, Tobias Golling, Sergio Gonzalez Sevilla, Daigo Harada, Giuseppe Iacobucci, Samuel Klein, Pantelis Kontaxakis, Matthew Leigh, Carlos Moreno Martinez, Ivan Oleksiyuk, Lorenzo Paolozzi, Antti Pietari Pirttikoski, Guillaume Quetant, Johnny Raine, Jorge Sabater Iglesias, Steven Schramm, Tomke Schroeer, Debajyoti Sengupta, Anna Sfyrla, Ondrej Theiner, Yusong Tian, Xin Wu and Stefano Zambito

Journal of instrumentation 20 03, P03002 (2025)

In 2022 and 2023, the Large Hadron Collider produced approximately two billion hadronic interactions each second from bunches of protons that collide at a rate of 40 MHz. The ATLAS trigger system is used to reduce this rate to a few kHz for recording. Selections based on hadronic jets, their…

Physical review letters 134 21, 211801 (2025)

This Letter presents the measurement of the energy-dependent neutrino-nucleon cross section in tungsten and the differential flux of muon neutrinos and antineutrinos. The analysis is performed using proton-proton collision data at a center-of-mass energy of 13.6 TeV and corresponding to an…

Théo Moretti

Thèse, 204 (2025)

This thesis presents the development and characterisation of monolithic silicon pixel detectors for current and future high-energy physics experiments at the LHC, with emphasis on the design, production, and commissioning of a new high-granularity tungsten–silicon (W–Si) Pre-Shower detector for …

Malte Algren, Tobias Golling, Christopher Pollard and Johnny Raine

Physical review. D 111 11 (2025)

In this paper, we present a novel method for pile-up removal of pp interactions using variational inference with diffusion models, called vipr. Instead of using classification methods to identify which particles are from the primary collision, a generative model is trained to predict the…

Sofia Cella

Thèse, 250 (2025)

The first part of this thesis presents a search for the direct pair production of supersymmetric top squarks in events containing two opposite-charge leptons (electrons or muons), jets, and missing transverse momentum. The analysis is based on proton-proton collision data collected with the ATLAS…

Jihad Saidi

Thèse, 134 (2025)

Within the framework of the 100µPET project, a SNSF-funded collaborative effort among the University of Geneva (UNIGE), the Federal Polytechnic School of Lausanne (EPFL), and the University of Luzern (UNILU), this work contributes to the development of a small-animal Positron Emission Tomography…

Journal of instrumentation 20 10, P10030 (2025)

Inter-channel mis-synchronisation can be a limiting factorto the time resolution of high performance timing detectors withmultiple readout channels and independent electronics units. Inthese systems, time calibration methods employed must be able toefficiently correct for minimal…

Physical review. D 112 7, 072008 (2025)

This article presents a study of single π + production in neutrino neutral-current interactions ( NC 1 π + ) using the FGD1 hydrocarbon target of the ND280 detector of the T2K experiment. We report the largest sample of such events selected by any experiment, providing the first new data for this …

Physical review letters 135 17, 171803 (2025)

Since its first observation in the 1970s, neutrino-induced neutral-current single positive pion production ( NC 1 π + ) has remained an elusive and poorly understood interaction channel. This process is a significant background in neutrino oscillation experiments and studying it further is…

Oriel Kiss

Thèse, 183 (2025)

This thesis explores the challenges and opportunities in quantum computing, focusing on mitigating current limitations and advancing quantum simulation techniques. After introducing the fundamentals of quantum simulation, superconducting circuits, and error mitigation we turn to applications of…

arXiv (2025)

Inter-channel mis-synchronisation can be a limiting factor to the time resolution of high performance timing detectors with multiple readout channels and independent electronics units. In these systems, time calibration methods employed must be able to efficiently correct for minimal…

C. Alt, Adrien Blanchet, Stefania Bordoni, P. Collard, T. H. Bui, M. H. Bui, G. Ha, C. Jesús-Valls, Vedantha Srinivas Kasturi, A. Klustová, Alexander Korzenev, T. A. Le, T. Lux, A. D. Nguyen, D. T. Nguyen, H. Nguyen, Soniya Samani, Federico Sanchez Nieto, M. Ta, T. Thaíduc and Emanuele Villa

Preprint (2025)

The T2K ND280 upgrade aims to reduce the systematic uncertainty of the CP-violating phase, $\delta_{CP}$, to reject non-CP violation hypothesis at $3\sigma$ confidence level. A crucial component of the ND280 upgrade, alongside the Super Fine Grained Detector (SuperFGD) and two High-Angle Time…

Adrien Blanchet, Alain Blondel, Stefania Bordoni, Alessandro Bravar, Dana Douqa, Lorenzo Giannessi, Svetlana Karpova, Vedantha Srinivas Kasturi, Federico Sanchez Nieto, Caspar Schloesser and Emanuele Villa

Physical review letters 134 1 (2025)

The Super-Kamiokande and T2K Collaborations present a joint measurement of neutrino oscillation parameters from their atmospheric and beam neutrino data. It uses a common interaction model for events overlapping in neutrino energy and correlated detector systematic uncertainties between the two…

Svetlana Karpova, Federico Sanchez Nieto and Dana Douqa

Physical review. D 112 3, 032005 (2025)

We introduce a novel approach that utilizes neutrino events from the off-axis near detector to investigate the beam profile in long-baseline neutrino experiments. Understanding the dynamics of the neutrino beam is crucial for improving the precision of neutrino oscillation measurements. We…

Mathias El Baz, Federico Sanchez Nieto, Natalie Jachowicz, Kajetan Niewczas, Ashish Kumar Jha and Alexis Nikolakopoulos

Physical review. D 111 11 (2025)

Modern neutrino-nucleus cross section computations need to incorporate sophisticated nuclear models to achieve greater predictive precision. However, the computational complexity of these advanced models often limits their practicality for experimental analyses. To address this challenge, we…