scholarly journals A New Track Reconstruction Algorithm suitable for Parallel Processing based on Hit Triplets and Broken Lines

2016 ◽  
Vol 127 ◽  
pp. 00015
Author(s):  
André Schöning
2020 ◽  
Vol 15 (06) ◽  
pp. P06018-P06018
Author(s):  
A. Hennequin ◽  
B. Couturier ◽  
V.V. Gligorov ◽  
S. Ponce ◽  
R. Quagliani ◽  
...  

2019 ◽  
Vol 204 ◽  
pp. 07001
Author(s):  
Ján Fedorišin

The current status of the analysis of the experimental data measured by the drift chambers in the BM@N experiment is presented. Apart from the previously published analysis based on the deuteron beam data, this study shows preliminary results for the carbon data at energy 4:5 GeV per nucleon. Some practical issues, such as evaluation and possible removal of the combinatorial background, as well as reliability of the employed track reconstruction algorithm are discussed as well.


2013 ◽  
Vol 2013 ◽  
pp. 1-16 ◽  
Author(s):  
M. Antonello ◽  
B. Baibussinov ◽  
P. Benetti ◽  
E. Calligarich ◽  
N. Canci ◽  
...  

Liquid Argon Time Projection Chamber (LAr TPC) detectors offer charged particle imaging capability with remarkable spatial resolution. Precise event reconstruction procedures are critical in order to fully exploit the potential of this technology. In this paper we present a new, general approach to 3D reconstruction for the LAr TPC with a practical application to the track reconstruction. The efficiency of the method is evaluated on a sample of simulated tracks. We present also the application of the method to the analysis of stopping particle tracks collected during the ICARUS T600 detector operation with the CNGS neutrino beam.


2019 ◽  
Author(s):  
Soham Bhattacharya

We present the algorithm and performance of tau reconstruction at the CMS experiment, while highlighting a dedicated reconstruction algorithm that uses calorimeter hits instead of tracks to reconstruct taus with high transverse momentum. Describing the standard Hadrons-Plus-Strips (HPS) algorithm and its dependence on track reconstruction and shower modelling, we present the calorimetric tau (calo-tau) reconstruction that uses minimal track information for high p_{T}pT taus. The pros and cons of these algorithms are discussed along with their performance and potential uses. It is found that the calo-tau algorithm outperforms the HPS algorithm in the high efficiency region. This study is work in progress, and is an attempt to tune the reconstruction for high p_{T}pT taus. The calo-tau algorithm is not yet an official tau reconstruction algorithm for CMS.


2021 ◽  
Vol 251 ◽  
pp. 03048
Author(s):  
Zachary Michael Schillaci

This document summarises the main changes to the ATLAS experiment’s Inner Detector Track reconstruction software chain in preparation of LHC Run 3 (2022-2024). The work was carried out to ensure that the expected high-activity collisions with on average 50 simultaneous proton-proton interactions per bunch crossing (pile-up) can be reconstructed promptly using the available computing resources. Performance figures in terms of CPU consumption for the key components of the reconstruction algorithm chain and their dependence on the pile-up are shown. For the design pile-up value of 60 the updated track reconstruction is a factor of 2 faster than the previous version.


2014 ◽  
Vol 9 (12) ◽  
pp. C12012-C12012
Author(s):  
A. Kozlinskiy ◽  
A. Schöning ◽  
M. Kiehn ◽  
N. Berger ◽  
S. Schenk

2021 ◽  
Vol 251 ◽  
pp. 03047
Author(s):  
Catherine Biscarat ◽  
Sylvain Caillou ◽  
Charline Rougier ◽  
Jan Stark ◽  
Jad Zahreddine

The physics reach of the HL-LHC will be limited by how efficiently the experiments can use the available computing resources, i.e. affordable software and computing are essential. The development of novel methods for charged particle reconstruction at the HL-LHC incorporating machine learning techniques or based entirely on machine learning is a vibrant area of research. In the past two years, algorithms for track pattern recognition based on graph neural networks (GNNs) have emerged as a particularly promising approach. Previous work mainly aimed at establishing proof of principle. In the present document we describe new algorithms that can handle complex realistic detectors. The new algorithms are implemented in ACTS, a common framework for tracking software. This work aims at implementing a realistic GNN-based algorithm that can be deployed in an HL-LHC experiment.


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