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Accurate and fast simulation of particle physics processes is crucial for the high-energy physics community. Simulating particle interactions with detectors is both time consuming and computationally expensive. With the proton-proton…

High Energy Physics - Experiment · Physics 2021-08-26 Ali Hariri , Darya Dyachkova , Sergei Gleyzer

Final states involving tau leptons are important components of searches for new particles at the Large Hadron Collider (LHC). A proper treatment of tau spin effects in the Monte Carlo (MC) simulations is important for understanding the…

High Energy Physics - Phenomenology · Physics 2015-06-03 Z. Czyczula , T. Przedzinski , Z. Was

Muon identification is of paramount importance for the physics programme of LHCb. In the upgrade phase, starting from Run 3 of the LHC, the trigger of the experiment will be solely based on software. The luminosity increase to…

The latest results obtained by the LHCb collaboration from heavy-ion and fixed-target collisions recorded during the Run 2 LHC data-taking are presented. They mainly focus on heavy hadron production for varying nuclear collision systems,…

High Energy Physics - Experiment · Physics 2025-05-19 Daniele Marangotto

The LHCb experiment will operate at a luminosity of $2\times10^{33}$ cm$^{-2}$s$^{-1}$ during LHC Run 3. At this rate the present readout and hardware Level-0 trigger become a limitation, especially for fully hadronic final states. In order…

Instrumentation and Detectors · Physics 2014-10-23 Johannes Albrecht , Conor Fitzpatrick , Vladimir Gligorov , Gerhard Raven

Since 2015, with the restart of the LHC for its second run of data taking, the LHCb experiment has been empowered with a dedicated computing model to select and analyse calibration samples to measure the performance of the particle…

This proposal concerns the participation of the Brazilian High-Energy Physics community in the next-generation collider experiments. As the LHC at CERN is getting ready for its third data-taking period, Run 3, with increased centre-of-mass…

The Detector Control System (DCS) of the COMPASS experiment at CERN is presented. The experiment has a high level of complexity and flexibility and a long time of operation, that constitute a challenge for its full monitorisation and…

Systems and Control · Computer Science 2013-07-05 P. Bordalo , A. S. Nunes , C. Pires , C. Quintans , S. Ramos

LHCb is the dedicated B physics experiment at the LHC and is due to start data taking later this year. Its goal is to search for new physics in very rare processes and make precision measurements of CP violation in B decays. The CKM angle…

High Energy Physics - Experiment · Physics 2009-06-01 Ying Ying Li

We present powerful new analysis techniques to constrain effective field theories at the LHC. By leveraging the structure of particle physics processes, we extract extra information from Monte-Carlo simulations, which can be used to train…

High Energy Physics - Phenomenology · Physics 2018-09-19 Johann Brehmer , Kyle Cranmer , Gilles Louppe , Juan Pavez

Predicting the performance of various infrastructure design options in complex federated infrastructures with computing sites distributed over a wide area network that support a plethora of users and workflows, such as the Worldwide LHC…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-05-14 Maximilian Horzela , Henri Casanova , Manuel Giffels , Artur Gottmann , Robin Hofsaess , Günter Quast , Simone Rossi Tisbeni , Achim Streit , Frédéric Suter

I present a brief review of the existing models for particle multiplicity evaluation in heavy ion collisions which are at our disposal in the form of Monte Carlo simulators. Models are classified according to the physical mechanisms with…

High Energy Physics - Phenomenology · Physics 2009-11-10 N. Armesto

We present an improved hybrid algorithm for vertexing, that combines deep learning with conventional methods. Even though the algorithm is a generic approach to vertex finding, we focus here on it's application as an alternative Primary…

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

Studies in the forward region of charged particle multiplicity and density, as well as energy flow, are presented. These measurements are performed using data from proton-proton collisions at a center-of-mass energy of 7 TeV, collected with…

High Energy Physics - Experiment · Physics 2014-09-02 Philip Ilten

Common and community software packages, such as ROOT, Geant4 and event generators have been a key part of the LHC's success so far and continued development and optimisation will be critical in the future. The challenges are driven by an…

Computational Physics · Physics 2020-09-01 HEP Software Foundation , : , Thea Aarrestad , Simone Amoroso , Markus Julian Atkinson , Joshua Bendavid , Tommaso Boccali , Andrea Bocci , Andy Buckley , Matteo Cacciari , Paolo Calafiura , Philippe Canal , Federico Carminati , Taylor Childers , Vitaliano Ciulli , Gloria Corti , Davide Costanzo , Justin Gage Dezoort , Caterina Doglioni , Javier Mauricio Duarte , Agnieszka Dziurda , Peter Elmer , Markus Elsing , V. Daniel Elvira , Giulio Eulisse , Javier Fernandez Menendez , Conor Fitzpatrick , Rikkert Frederix , Stefano Frixione , Krzysztof L Genser , Andrei Gheata , Francesco Giuli , Vladimir V. Gligorov , Hadrien Benjamin Grasland , Heather Gray , Lindsey Gray , Alexander Grohsjean , Christian Gütschow , Stephan Hageboeck , Philip Coleman Harris , Benedikt Hegner , Lukas Heinrich , Burt Holzman , Walter Hopkins , Shih-Chieh Hsu , Stefan Höche , Philip James Ilten , Vladimir Ivantchenko , Chris Jones , Michel Jouvin , Teng Jian Khoo , Ivan Kisel , Kyle Knoepfel , Dmitri Konstantinov , Attila Krasznahorkay , Frank Krauss , Benjamin Edward Krikler , David Lange , Paul Laycock , Qiang Li , Kilian Lieret , Miaoyuan Liu , Vladimir Loncar , Leif Lönnblad , Fabio Maltoni , Michelangelo Mangano , Zachary Louis Marshall , Pere Mato , Olivier Mattelaer , Joshua Angus McFayden , Samuel Meehan , Alaettin Serhan Mete , Ben Morgan , Stephen Mrenna , Servesh Muralidharan , Ben Nachman , Mark S. Neubauer , Tobias Neumann , Jennifer Ngadiuba , Isobel Ojalvo , Kevin Pedro , Maurizio Perini , Danilo Piparo , Jim Pivarski , Simon Plätzer , Witold Pokorski , Adrian Alan Pol , Stefan Prestel , Alberto Ribon , Martin Ritter , Andrea Rizzi , Eduardo Rodrigues , Stefan Roiser , Holger Schulz , Markus Schulz , Marek Schönherr , Elizabeth Sexton-Kennedy , Frank Siegert , Andrzej Siódmok , Graeme A Stewart , Malik Sudhir , Sioni Paris Summers , Savannah Jennifer Thais , Nhan Viet Tran , Andrea Valassi , Marc Verderi , Dorothea Vom Bruch , Gordon T. Watts , Torre Wenaus , Efe Yazgan

ALICE is the CERN LHC experiment optimised for the study of the strongly interacting matter produced in heavy-ion collisions and devoted to the characterisation of the quark-gluon plasma. To achieve the physics program for LHC Run 3, a…

Instrumentation and Detectors · Physics 2022-12-21 Domenico Colella

The planned upgrade of the LHC accelerator at CERN, namely the high luminosity (HL) phase of the LHC (HL-LHC foreseen for 2023), will result in a more intense radiation environment than the present tracking system was designed for. The…

Instrumentation and Detectors · Physics 2015-12-09 Timo Peltola

LHCb is the experiment at the Large Hadron Collider devoted to studies of new phenomena in CP violation and in rare decays. This review summarizes the status of the experiment in the imminence of the data taking, the prospects for the first…

High Energy Physics - Experiment · Physics 2009-03-16 Marta Calvi

LHCb is one of the four experiments at the Large Hadron Collider (CERN), dedicated to the study of b-hadrons. Throughout my research, I studied in particular b-baryons which are abundantly produced at the LHCb. My habilitation summarises…

High Energy Physics - Experiment · Physics 2020-05-25 Yasmine Sara Amhis