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The LHCb detector optimised its performance in Runs~1 and~2 by stabilising the instantaneous luminosity during a fill. This was achieved by tuning the distance between the two colliding beams according to the measurement of instantaneous…

High Energy Physics - Experiment · Physics 2022-12-26 Elena Graverini

Design of new experiments, as well as upgrade of ongoing ones, is a continuous process in the experimental high energy physics. Since the best solution is a trade-off between different kinds of limitations, a quick turn over is necessary to…

Instrumentation and Detectors · Physics 2020-06-24 Fedor Ratnikov

We propose to explore the potential advantages of a new class of tracking algorithms loosely inspired by the Hough transform concept and where we include the time of arrival of each hit as an additional coordinate to be treated in the same…

High Energy Physics - Experiment · Physics 2024-12-19 Massimo Casarsa , Sergo Jindariani , Luciano Ristori

Massively parallel computing at the LHC could be the next leap necessary to reach an era of new discoveries at the LHC after the Higgs discovery. Scientific computing is a critical component of the LHC experiment, including operation,…

Computational Physics · Physics 2014-02-05 V. Halyo , P. LeGresley , P. Lujan

Conditions Data in high energy physics experiments is frequently seen as every data needed for reconstruction besides the event data itself. This includes all sorts of slowly evolving data like detector alignment, calibration and…

Databases · Computer Science 2007-05-23 A. Amorim , J. Lima , C. Oliveira , L. Pedro , N. Barros

The LHCb experiment at the Large Hadron Collider (LHC) is designed to perform high-precision measurements of heavy-hadron decays, which requires the collection of large data samples and a good understanding and suppression of multiple…

High Energy Physics - Experiment · Physics 2023-05-01 Julián García Pardiñas , Marta Calvi , Jonas Eschle , Andrea Mauri , Simone Meloni , Martina Mozzanica , Nicola Serra

Real-time data processing is one of the central processes of particle physics experiments which require large computing resources. The LHCb (Large Hadron Collider beauty) experiment will be upgraded to cope with a particle bunch collision…

The efficient exchange of information is an essential aspect of intelligent collective behavior. Event-triggered control and estimation achieve some efficiency by replacing continuous data exchange between agents with intermittent, or…

Systems and Control · Computer Science 2020-04-30 Friedrich Solowjow , Sebastian Trimpe

The LHCb detector underwent a comprehensive upgrade in preparation for the third data-taking run of the Large Hadron Collider (LHC), known as LHCb Upgrade I. The increased data rate of Run 3 not only posed data collection (Online)…

We introduce a foundation model for event classification in high-energy physics, built on a Graph Neural Network architecture and trained on 120 million simulated proton-proton collision events spanning 12 distinct physics processes. The…

High Energy Physics - Phenomenology · Physics 2026-05-08 Joshua Ho , Benjamin Ryan Roberts , Shuo Han , Haichen Wang

Experiments aiming at high sensitivities usually demand for a very high statistics in order to reach more precise measurements. However, for those exploiting Low Temperature Detectors (LTDs), a high source activity may represent a drawback,…

Data Analysis, Statistics and Probability · Physics 2022-07-28 Matteo Borghesi , Marco Faverzani , Cecilia Ferrari , Elena Ferri , Andrea Giachero , Angelo Nucciotti , Luca Origo

Hawkes processes are a self-exciting stochastic process used to describe phenomena whereby past events increase the probability of the occurrence of future events. This work presents a flexible approach for modelling a variant of these,…

Methodology · Statistics 2022-08-08 Raiha Browning , Judith Rousseau , Kerrie Mengersen

The Large Hadron Collider beauty (LHCb) detector is a single-arm forward spectrometer at the LHC, designed for the study of heavy flavour physics. In this proceedings, an overview of the detector performance and a few recent results in the…

High Energy Physics - Experiment · Physics 2023-08-07 Abhijit Mathad

We advocate for the construction of a new detector element at the LHCb experiment, designed to search for displaced decays of beyond standard model long-lived particles, taking advantage of a large shielded space in the LHCb cavern that is…

High Energy Physics - Phenomenology · Physics 2018-05-07 Vladimir V. Gligorov , Simon Knapen , Michele Papucci , Dean J. Robinson

We present a fast simulation application based on a Deep Neural Network, designed to create large analysis-specific datasets. Taking as an example the generation of W+jet events produced in sqrt(s)= 13 TeV proton-proton collisions, we train…

Computational Physics · Physics 2020-10-06 Cheng Chen , Olmo Cerri , Thong Q. Nguyen , Jean-Roch Vlimant , Maurizio Pierini

Many models for physics Beyond the Standard Model predict an increased production rate of tau leptons. Therefore hadronically decaying tau leptons play an important role in searches for new physics at the LHC. By triggering on them, the…

Instrumentation and Detectors · Physics 2011-12-30 Charlie Isaksson

We describe the LHCb detector simulation application (Gauss) based on the Geant4 toolkit. The application is built using the Gaudi software framework, which is used for all event-processing applications in the LHCb experiment. The existence…

Computational Physics · Physics 2007-05-23 I. Belyaev , Ph. Charpentier , S. Easo , P. Mato , J. Palacios , W. Pokorski , F. Ranjard , J. van Tilburg

Simulation is one of the key components in high energy physics. Historically it relies on the Monte Carlo methods which require a tremendous amount of computation resources. These methods may have difficulties with the expected High…

Data Analysis, Statistics and Probability · Physics 2019-10-02 Viktoria Chekalina , Elena Orlova , Fedor Ratnikov , Dmitry Ulyanov , Andrey Ustyuzhanin , Egor Zakharov

Direct searches for new particles at colliders have traditionally been factorized into model proposals by theorists and model testing by experimentalists. With the recent advent of machine learning methods that allow for the simultaneous…

High Energy Physics - Phenomenology · Physics 2021-11-10 Patrick Komiske , W. Patrick McCormack , Benjamin Nachman