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HL-LHC Analysis With ROOT [article]

Axel Naumann, Philippe Canal, Enric Tejedor, Enrico Guiraud, Lorenzo Moneta, Bertrand Bellenot, Olivier Couet, Alja Mrak Tadel, Matevz Tadel, Sergey Linev, Javier Lopez Gomez, Jonas Rembser (+5 others)
2022 arXiv   pre-print
ROOT is high energy physics' software for storing and mining data in a statistically sound way, to publish results with scientific graphics.  ...  This is done with minimal overhead, yielding a very efficient, multi-threaded analysis, which evaluates a complex analysis graph in a single pass through all input data.  ...  analysis framework, to an ecosystem of literally thousands of potential building blocks [https://pypi.org/ ].  ... 
arXiv:2205.06121v1 fatcat:f7rk3km77feifmiqz6dia4sq5y

Software Challenges For HL-LHC Data Analysis [article]

ROOT Team: Kim Albertsson Brann
2020 arXiv   pre-print
From its experience and expectations, the ROOT team has distilled a comprehensive set of areas that should see research and development in the context of data analysis software, for making best use of  ...  HL-LHC's physics potential.  ...  We expect thus a "superscalar" demand in analysis throughput and data storage that extends well beyond the increase due to higher data statistics.  ... 
arXiv:2004.07675v2 fatcat:l2xq4arhs5bhrnqctkunkcg24y

Beyond the orthogonal: on the influence of build orientation on fatigue crack growth in SLM Ti-6Al-4V

Calvin Rans, Jef Michielssen, Megan Walker, Wandong Wang, Ludmila 't Hoen-Velterop
2018 International Journal of Fatigue  
Up to now, no studies have investigated the influence of off-axis (beyond the three orthogonal build orientations) orientations on the fatigue crack growth behaviour of selective laser melted Ti-6Al-4V  ...  A challenge in developing an in-depth understanding of the crack growth resistance of Additively Manufactured materials is the fact that their mechanical properties have been shown to be both process and  ...  Specimen fabrication was carried out using a SLM Solutions SLM 280 HL machine and Ti-6Al-4V Grade 5 powder with a particle diameter range of 20-63 µm.  ... 
doi:10.1016/j.ijfatigue.2018.06.038 fatcat:hibt3dwh25cnzlq2zjlydg7ose

HL-LHC Computing Review Stage 2, Common Software Projects: Data Science Tools for Analysis [article]

Jim Pivarski, Eduardo Rodrigues, Kevin Pedro, Oksana Shadura, Benjamin Krikler, Graeme A. Stewart
2022 arXiv   pre-print
It describes the adoption of Python and data science tools in HEP, discusses the likelihood of future scenarios, and recommendations for action by the HEP community.  ...  This paper was prepared by the HEP Software Foundation (HSF) PyHEP Working Group as input to the second phase of the LHCC review of High-Luminosity LHC (HL-LHC) computing, which took place in November,  ...  1 Description and relevance for the HL-LHC Unlike other documents prepared for the HL-LHC Computing Review Stage 2, this "Data Science Tools for Analysis" document is not an experiment or software product  ... 
arXiv:2202.02194v1 fatcat:kal6u3ldhbd3zc7qhvjqql5hiy

Enhanced Higgs pair production from higgsino decay at the HL-LHC [article]

Jianpeng Dai, Tao Liu, Daohan Wang, Jin Min Yang
2022 arXiv   pre-print
For the scenario of natural SUSY which requires rather light higgsinos, such events may sizably outnumber the Higgs pair events predicted by the SM and be accessible at the HL-LHC (14 TeV with a luminosity  ...  In this work we examine the observability of such Higgs pair plus missing energy from the decay of light higgsinos produced at the HL-LHC.  ...  The precision test of the Higgs properties and the exploration of new physics beyond the standard model (SM) is the main task of the Large Ladron Collider (LHC) and other future colliders after the Higgs  ... 
arXiv:2202.03258v1 fatcat:bmptenzmsrazffbbwtnrkzwigq

Evolution of ATLAS analysis workflows and tools for the HL-LHC era

David Cameron, Alessandra Forti, Alexei Klimentov, Andrés Pacheco Pages, David South, C. Biscarat, S. Campana, B. Hegner, S. Roiser, C.I. Rovelli, G.A. Stewart
2021 EPJ Web of Conferences  
In addition the evolution of computing facilities and how this impacts ATLAS analysis workflows is being closely followed.  ...  To address this challenge, several novel methods of how end-users analysis will be conducted are under evaluation by the ATLAS Collaboration.  ...  In addition, we gratefully acknowledge the computing centres and personnel of the Worldwide LHC Computing Grid and other centres for delivering so effectively the computing infrastructure essential to  ... 
doi:10.1051/epjconf/202125102002 fatcat:znotpfl5szcmphva5a7eikhyne

The CMS Precision Proton Spectrometer at the HL-LHC – Expression of Interest [article]

CMS Collaboration
2021 arXiv   pre-print
The present document outlines the physics interest of a new PPS at the HL-LHC, and explores its feasibility and expected performance.  ...  CEP allows unique sensitivity to physics beyond the standard model, e.g. in the search for anomalous quartic gauge couplings, axion-like particles, and in general new resonances.  ...  For the HL-LHC, Fig. 8 and Table 2 illustrate the effect of adding the 420 m station to the other three stations.  ... 
arXiv:2103.02752v1 fatcat:nii47otronf6ndvyyycyxm5kwu

Standard Model Physics at the HL-LHC and HE-LHC [article]

P. Azzi, S. Farry, P. Nason, A. Tricoli, D. Zeppenfeld, R. Abdul Khalek, J. Alimena, N. Andari, L. Aperio Bella, A.J. Armbruster, J. Baglio, S. Bailey, E. Bakos (+205 others)
2019 arXiv   pre-print
This document summarises the physics reach of the HL-LHC in the realm of strong and electroweak interactions and top quark physics, and provides a glimpse of the potential of a possible further upgrade  ...  The upgrade of the LHC to a High Luminosity phase (HL-LHC) at 14 TeV center-of-mass energy with 3 ab^-1 of integrated luminosity will probe the Standard Model with even greater precision and will extend  ...  Acknowledgements We would like to thank the LHC experimental Collaborations and the WLCG for their essential support.  ... 
arXiv:1902.04070v3 fatcat:ztkji2nfcjgzrh7dpmvmynhehi

HLS Distorted colour model for enhanced colour image segmentation

R. N. Grant, R. D. Green, A. J. Clark
2008 2008 23rd International Conference Image and Vision Computing New Zealand  
However this colour model is inadequate for most applications as objects requiring analysis are subject to the reflective properties of light, causing RGB colour to change across object surfaces.  ...  Existing colour models are described and each of their components examined with their strengths and weaknesses discussed.  ...  graph.  ... 
doi:10.1109/ivcnz.2008.4762139 fatcat:qsgfojklhvbovho6sqvnmvpikq

Rapid Industrial Prototyping and SoC Design of 3G/4G Wireless Systems Using an HLS Methodology

Yuanbin Guo, Dennis McCain, Joseph R. Cavallaro, Andres Takach
2006 EURASIP Journal on Embedded Systems  
Our industrial design experience demonstrates that it is possible to enable an extensive architectural analysis in a short-time frame using HLS methodology, which significantly shortens the time to market  ...  We then present VLSI-oriented complexity reduction schemes and demonstrate how to interact these high-complexity algorithms with an HLS-based methodology for extensive design space exploration.  ...  Behnaam Aazhang and Gang Xu for their support in this work. J. R. Cavallaro was supported in part by NSF under Grants ANI-9979465, EIA-0224458, and EIA-0321266.  ... 
doi:10.1155/es/2006/14952 fatcat:xz4vbqoaxvc4pgmmcsduqgujpy

Rapid Industrial Prototyping and SoC Design of 3G/4G Wireless Systems Using an HLS Methodology

Yuanbin Guo, Dennis McCain, JosephR Cavallaro, Andres Takach
2006 EURASIP Journal on Embedded Systems  
Our industrial design experience demonstrates that it is possible to enable an extensive architectural analysis in a short-time frame using HLS methodology, which significantly shortens the time to market  ...  We then present VLSI-oriented complexity reduction schemes and demonstrate how to interact these high-complexity algorithms with an HLS-based methodology for extensive design space exploration.  ...  Behnaam Aazhang and Gang Xu for their support in this work. J. R. Cavallaro was supported in part by NSF under Grants ANI-9979465, EIA-0224458, and EIA-0321266.  ... 
doi:10.1186/1687-3963-2006-014952 fatcat:qnhce2epuzdzthuouofqezgjha

hls4ml: deploying deep learning on FPGAs for L1 trigger and Data Acquisition

Nhan Viet Tran, Vladimir Loncar
2019 Zenodo  
We present hls4ml, a user-friendly software, based on High-Level Synthesis (HLS), designed to deploy network architectures on FPGAs.  ...  We discuss current applications in HEP experiments and future applications.  ...  Translate to HLS: hls4ml convert -c my_model.yml Boosted decision trees -BDTs have been popular for a long time in HEP reconstruction and analysis -Suitable for highly parallel implementation in FPGAs  ... 
doi:10.5281/zenodo.3598988 fatcat:jaqavik2cjbkfic4q2ydho3dyq

Similarity Hashing and Learning for Tracks Reconstruction

Sabrina Amrouche, Tobias Golling, Moritz Kiehn, Andreas Salzburger
2019 Zenodo  
A neural network selects valid combinations in the buckets and builds up full trajectories by connected components search independently of global positions of the hits and detector geometry.  ...  Thus, the traditional approach will grow exponentially as the number of simultaneous collisions increase at the HL-LHC and pose a major computational challenge.  ...  Metric used : angular distance θ = S / R where S = distance travelled and R = radius of the circle other metrics are possible : metric learning, DNN...  ... 
doi:10.5281/zenodo.3599393 fatcat:bjezwy6edfdctosvk7lpwzzhbi

Measuring urban forms from inter-building distances: Combining MST graphs with a Local Index of Spatial Association

Geoffrey Caruso, Mohamed Hilal, Isabelle Thomas
2017 Landscape and Urban Planning  
and connection with other buildings are kept.  ...  Non-surfacic descriptors, based on graphs, are particularly appealing because they preserve structural information about location and proximities of buildings beyond the simpler contiguity aspect and in  ... 
doi:10.1016/j.landurbplan.2017.03.003 fatcat:6fwwrcefzrff5fnhvegfukhnsa

Upgrade of the cryogenic infrastructure of SM18, CERN main test facility for superconducting magnets and RF cavities

A Perin, F Dhalla, P Gayet, L Serio
2017 IOP Conference Series: Materials Science and Engineering  
superconducting magnets and RF equipment until 2023 and beyond.  ...  SM18 is CERN main facility for testing superconducting accelerator magnets and superconducting RF cavities.  ...  Possible other upgrades include an additional cooldown/warm-up unit for the HL-LHC string and additional helium warm storage buffers.  ... 
doi:10.1088/1757-899x/278/1/012112 fatcat:eljudzcmifcitbz5o6mgokdtmi
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