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Related papers: ROOT for the HL-LHC: data format

200 papers

The ReadOut System (ROS) is a central part of the data acquisition (DAQ) system of the ATLAS Experiment at the CERN Large Hadron Collider (LHC). The system is responsible for receiving and buffering event data from all detector subsystems…

The ROOT software framework is foundational for the HEP ecosystem, providing capabilities such as IO, a C++ interpreter, GUI, and math libraries. It uses object-oriented concepts and build-time components to layer between them. We believe…

Software Engineering · Computer Science 2019-10-02 Oksana Shadura , Brian Paul Bockelman , Vassil Vassilev

The High Level Trigger (HLT) of the future ALICE heavy-ion experiment has to reduce its input data rate of up to 25 GB/s to at most 1.25 GB/s for output before the data is written to permanent storage. To cope with these data rates a large…

Distributed, Parallel, and Cluster Computing · Computer Science 2009-09-29 Timm M. Steinbeck

ROOT is a large code base with a complex set of build-time dependencies; there is a significant difference in compilation time between the "core" of ROOT and the full-fledged deployment. We present results on a "delayed build" for internal…

Software Engineering · Computer Science 2020-08-26 Oksana Shadura , Brian Paul Bockelman , Vassil Vassilev

The ROOT based Offline and Online Analysis (ROAn) framework was developed to perform data analysis on data from Depleted P-channel Field Effect Transistor (DePFET) detectors, a type of active pixel sensors developed at the MPI…

Data Analysis, Statistics and Probability · Physics 2013-10-21 Thomas Lauf , Robert Andritschke

We present a new version of the CompHEP program package, version 4.5. We describe new options and techniques implemented in the version: interfaces to ROOT and HERWIG, parallel calculations, generation of the XML-based header in event files…

High Energy Physics - Phenomenology · Physics 2014-11-18 E. Boos , V. Bunichev , M. Dubinin , L. Dudko , V. Edneral , V. Ilyin , A. Kryukov , V. Savrin , A. Semenov , A. Sherstnev

With the LHC continuing to collect more data and experimental analyses becoming increasingly complex, tools to efficiently develop and execute these analyses are essential. The bamboo framework defines a domain-specific language, embedded…

Data Analysis, Statistics and Probability · Physics 2021-08-24 Pieter David

The REST-for-Physics (Rare Event Searches Toolkit for Physics) framework is a ROOT-based solution providing the means to process and analyze experimental or Monte Carlo event data. Special care has been taken on the traceability of the code…

Security requirements for the Internet of things (IoT), wireless sensor nodes, and other wireless devices connected in a network for data exchange are high. These devices are often subject to lab analysis with the objective to reveal secret…

Hardware Architecture · Computer Science 2024-07-10 Dmytro Petryk , Zoya Dyka , Ievgen Kabin , Anselm Breitenreiter , Jan Schaeffner , Milos Krstic

These proceedings outline steps toward a systematic analysis of frontier energy collider data: specifically, those data collected at Tevatron Runs I and II, LEP Run II, HERA Runs I and II, and the future LHC. Algorithms designed to…

High Energy Physics - Experiment · Physics 2009-11-10 Bruce Knuteson

RooFit and RooStats, the toolkits for statistical modelling in ROOT, are used in most searches and measurements at the Large Hadron Collider as well as at $B$ factories. Larger datasets to be collected at e.g. the High-Luminosity LHC will…

Mathematical Software · Computer Science 2020-12-03 Stephan Hageboeck

The offline software framework of the LHCb experiment has undergone a significant overhaul to tackle the data processing challenges that will arise in the upcoming Run 3 and Run 4 of the Large Hadron Collider. This paper introduces…

Data Analysis, Statistics and Probability · Physics 2024-02-27 Abhijit Mathad , Martina Ferrillo , Sacha Barré , Patrick Koppenburg , Patrick Owen , Gerhard Raven , Eduardo Rodrigues , Nicola Serra

Data analysis in high-energy physics (HEP) begins with data reduction, where vast datasets are filtered to extract relevant events. At the Large Hadron Collider (LHC), this process is bottlenecked by slow data transfers between storage and…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-06-06 Narangerelt Batsoyol , Jonathan Guiang , Diego Davila , Aashay Arora , Philip Chang , Frank Würthwein , Steven Swanson

The ALICE HLT uses a data transport framework based on the publisher-subscriber message principle, which transparently handles the communication between processing components over the network and between processing components on the same…

Instrumentation and Detectors · Physics 2019-08-14 David Rohr , Mikolaj Krzwicki , Heiko Engel , Johannes Lehrbach , Volker Lindenstruth

This is the second of a planned collection of four yearly volumes describing the deployment of a heterogeneous many-core platform for experiments on scalable custom interconnects and management of fault and critical events, applied to…

In the upcoming upgrades for Run 3 and 4, the LHC will significantly increase Pb--Pb and pp interaction rates. This goes along with upgrades of all experiments, ALICE, ATLAS, CMS, and LHCb, related to both the detectors and the computing.…

Instrumentation and Detectors · Physics 2018-11-29 David Rohr

A new computer program named CutLHCO is introduced, whose function is the implementation of generic data selection cuts on collider event specification files in the standardized .lhco format. This software is intended to fill an open market…

High Energy Physics - Phenomenology · Physics 2012-07-17 Joel W. Walker

During the years 2000 and 2001 the HERA machine and the H1 experiment performed substantial luminosity upgrades. To cope with the increased demands on data handling an effort was made to redesign and modernize the analysis software. Main…

Data Analysis, Statistics and Probability · Physics 2007-05-23 M. Peez

In order to maintain sensitivity to new physics in the coming years of LHC operations, the ATLAS experiment has been working on upgrading a portion of the front-end electronics and replacing some parts of the detector with new devices that…

Instrumentation and Detectors · Physics 2021-09-01 Serguei Kolos

The LHCb Ntupling Service enables on-demand production and publishing of LHCb Run 2 Open Data and aims at publishing them through the CERN Open Data Portal. It integrates the LHCb Ntuple Wizard to generate the configuration files that link…