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The LHCb experiment is running at the Large Hadron Collider to study CP violation and rare decays in the beauty and charm sectors. The motivation and the strategy of the upgrade envisaged for the long shutdown LS2 (2018) is presented. The…

High Energy Physics - Experiment · Physics 2019-08-13 Marie-Hélène Schune

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

Several compelling beyond the Standard Model scenarios predict signals that result in unconventional charged particle trajectories. Signatures for which unusual tracks are the most conspicuous feature pose significant challenges for…

High Energy Physics - Experiment · Physics 2022-06-30 K. F. Di Petrillo , J. N. Farr , C. Guo , T. R. Holmes , J. Nelson , K. Pachal

A second major LHCb detector upgrade will be installed during long shutdown 4 (LS4) of the CERN Large Hadron Collider. The new detector will provide excellent performance for studies of Quantum Chromodynamics at high temperature and…

High Energy Physics - Experiment · Physics 2025-04-01 LHCb collaboration

Since 2022, the LHCb detector has been taking both proton-proton and lead-ion data at the LHC collision rate using a fully software-based trigger. This has been implemented on GPUs at its first stage and CPUs at its second. The setup allows…

High Energy Physics - Experiment · Physics 2024-12-09 Andy Morris

A second major upgrade of the LHCb experiment is necessary to allow full exploitation of the High Luminosity LHC for flavour physics. The new experiment will operate in Run 5 of the LHC at a luminosity up to $1.5\times…

High Energy Physics - Experiment · Physics 2025-04-01 LHCb Collaboration

The LHCb detector is a forward spectrometer at the Large Hadron Collider (LHC) at CERN. The experiment is designed for precision measurements of CP violation and rare decays of beauty and charm hadrons. In this paper the performance of the…

High Energy Physics - Experiment · Physics 2016-08-10 LHCb collaboration , R. Aaij , B. Adeva , M. Adinolfi , A. Affolder , Z. Ajaltouni , S. Akar , J. Albrecht , F. Alessio , M. Alexander , S. Ali , G. Alkhazov , P. Alvarez Cartelle , A. A. Alves , S. Amato , S. Amerio , Y. Amhis , L. An , L. Anderlini , J. Anderson , R. Andreassen , M. Andreotti , J. E. Andrews , R. B. Appleby , O. Aquines Gutierrez , F. Archilli , A. Artamonov , M. Artuso , E. Aslanides , G. Auriemma , M. Baalouch , S. Bachmann , J. J. Back , A. Badalov , C. Baesso , W. Baldini , R. J. Barlow , C. Barschel , S. Barsuk , W. Barter , V. Batozskaya , V. Battista , A. Bay , L. Beaucourt , J. Beddow , F. Bedeschi , I. Bediaga , S. Belogurov , K. Belous , I. Belyaev , E. Ben-Haim , G. Bencivenni , S. Benson , J. Benton , A. Berezhnoy , R. Bernet , M. -O. Bettler , M. van Beuzekom , A. Bien , S. Bifani , T. Bird , A. Bizzeti , P. M. Bjørnstad , T. Blake , F. Blanc , J. Blouw , S. Blusk , V. Bocci , A. Bondar , N. Bondar , W. Bonivento , S. Borghi , A. Borgia , M. Borsato , T. J. V. Bowcock , E. Bowen , C. Bozzi , T. Brambach , J. Bressieux , D. Brett , M. Britsch , T. Britton , J. Brodzicka , N. H. Brook , H. Brown , A. Bursche , J. Buytaert , S. Cadeddu , R. Calabrese , M. Calvi , M. Calvo Gomez , P. Campana , D. Campora Perez , A. Carbone , G. Carboni , R. Cardinale , A. Cardini , L. Carson , K. Carvalho Akiba , G. Casse , L. Cassina , L. Castillo Garcia , M. Cattaneo , Ch. Cauet , R. Cenci , M. Charles , Ph. Charpentier , M. Chefdeville , S. Chen , S. -F. Cheung , N. Chiapolini , M. Chrzaszcz , K. Ciba , X. Cid Vidal , G. Ciezarek , P. E. L. Clarke , M. Clemencic , H. V. Cliff , J. Closier , V. Coco , J. Cogan , E. Cogneras , V. Cogoni , L. Cojocariu , G. Collazuol , P. Collins , A. Comerma-Montells , A. Contu , A. Cook , M. Coombes , S. Coquereau , G. Corti , M. Corvo , I. Counts , B. Couturier , G. A. Cowan , D. C. Craik , A. C. Crocombe , M. Cruz Torres , S. Cunliffe , R. Currie , C. D'Ambrosio , J. Dalseno , P. David , P. N. Y. David , A. Davis , K. De Bruyn , S. De Capua , M. De Cian , J. M. De Miranda , L. De Paula , W. De Silva , P. De Simone , D. Decamp , M. Deckenhoff , L. Del Buono , N. Déléage , D. Derkach , O. Deschamps , F. Dettori , A. Di Canto , H. Dijkstra , S. Donleavy , F. Dordei , M. Dorigo , A. Dosil Suárez , D. Dossett , A. Dovbnya , K. Dreimanis , G. Dujany , F. Dupertuis , P. Durante , R. Dzhelyadin , A. Dziurda , A. Dzyuba , S. Easo , U. Egede , V. Egorychev , S. Eidelman , S. Eisenhardt , U. Eitschberger , R. Ekelhof , L. Eklund , I. El Rifai , Ch. Elsasser , S. Ely , S. Esen , H. M. Evans , T. Evans , A. Falabella , C. Färber , C. Farinelli , N. Farley , S. Farry , R. Fay , D. Ferguson , V. Fernandez Albor , F. Ferreira Rodrigues , M. Ferro-Luzzi , S. Filippov , M. Fiore , M. Fiorini , M. Firlej , C. Fitzpatrick , T. Fiutowski , P. Fol , M. Fontana , F. Fontanelli , R. Forty , O. Francisco , M. Frank , C. Frei , M. Frosini , J. Fu , E. 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The LHCb Experiment is preparing a detector upgrade fully exploit the flavour physics potential of the LHC. The whole detector will be read out at the full collision rate and the online event selection will be performed by a software…

Instrumentation and Detectors · Physics 2017-09-15 Lars Eklund

High-energy physics experiments face extreme data rates, requiring real-time trigger systems to reduce event throughput while preserving sensitivity to rare processes. Trigger systems are typically constructed as modular chains of…

High Energy Physics - Experiment · Physics 2026-03-10 Noah Clarke Hall , Ioannis Xiotidis , Nikos Konstantinidis , David W. Miller

The ATLAS experiment relies on real-time hadronic jet reconstruction and $b$-tagging to record fully hadronic events containing $b$-jets. These algorithms require track reconstruction, which is computationally expensive and could overwhelm…

High Energy Physics - Experiment · Physics 2024-11-14 ATLAS Collaboration

The Upgrade II of the LHCb experiment is proposed to be installed during the CERN Long Shutdown 4, aiming to operate LHCb at 1.5x$10^{34}cm^{-2}s^{-1}$ that is 75 times its design luminosity and reaching an integrated luminosity of about…

Triggering long-lived particles at the first stage of the trigger system is very crucial in LLP searches to ensure that we do not miss them at the very beginning. The future High Luminosity runs of the Large Hardron Collider will have…

High Energy Physics - Phenomenology · Physics 2020-03-10 Biplob Bhattacherjee , Swagata Mukherjee , Rhitaja Sengupta , Prabhat Solanki

The High-Luminosity LHC (HL-LHC) will provide the unique opportunity to explore the nature of physics beyond the Standard Model of strong and electroweak interactions. Highly selective first-level triggers are essential for the physics…

Instrumentation and Detectors · Physics 2017-02-01 S. Abovyan , V. Danielyan , M. Fras , P. Gadow , O. Kortner , S. Kortner , H. Kroha , F. Mueller , S. Nowak , R. Richter , K. Schmidt-Sommerfeld

The trigger systems of the LHC detectors play a crucial role in determining the physics capabilities of the experiments. A reduction of several orders of magnitude of the event rate is needed to reach values compatible with the detector…

Instrumentation and Detectors · Physics 2014-09-10 Valentina Gori

LHCb is an experiment dedicated to the study of new physics in the decays of beauty and charm hadrons at the Large Hadron Collider (LHC) at CERN. The Vertex Locator (VELO) is the silicon detector surrounding the LHCb interaction point. The…

Instrumentation and Detectors · Physics 2019-08-14 Pablo Rodríguez Pérez

The Lipschitz constant of the map between the input and output space represented by a neural network is a natural metric for assessing the robustness of the model. We present a new method to constrain the Lipschitz constant of dense deep…

Machine Learning · Computer Science 2023-08-22 Ouail Kitouni , Niklas Nolte , Mike Williams

In LHC Run 3, ALICE will increase the data taking rate significantly to 50\,kHz continuous read out of minimum bias Pb-Pb events. This challenges the online and offline computing infrastructure, requiring to process 50 times as many events…

Instrumentation and Detectors · Physics 2017-09-05 David Rohr

The LHCb experiment is designed to perform high-precision measurements of CP violation and search for New Physics using the enormous flux involving beauty and charm quarks produced at the LHC. The operation and the results obtained from the…

Instrumentation and Detectors · Physics 2013-10-02 Federico Alessio

Hosting six different experiments at four different interaction points and widely different requirements for the running conditions, the LHC machine has been faced with a long list of challenges in the first three years of luminosity…

Accelerator Physics · Physics 2014-10-15 R. Jacobsson

The unprecedented collision energy of the LHC has opened up a new discovery frontier. Unfortunately, signs of new physics have yet to be seen. The LHC's first dedicated search experiment, MoEDAL, started data taking for LHC Run 2. MoEDAL is…

High Energy Physics - Experiment · Physics 2022-09-21 Vasiliki A. Mitsou