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CERN Document Server 14 records found  1 - 10próximo  jump to record: Search took 1.26 seconds. 
1.
GPU Acceleration and EDM Developments for the ATLAS 3D Calorimeter Clustering in the Software Trigger / Dos Santos Fernandes, Nuno (Laboratory of Instrumentation and Experimental Particle Physics (PT)) ; ATLAS Collaboration /ATLAS Collaboration
ATLAS is one of the two general-purpose experiments at the Large Hadron Collider (LHC), aiming to detect a wide variety of physics processes. Its trigger system plays a key role in selecting the events that are detected, filtering them down from the 40 MHz bunch crossing rate to the 1 kHz rate at which they are committed to storage. [...]
ATL-DAQ-SLIDE-2024-651.- Geneva : CERN, 2025 - 44 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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2.
GPU Acceleration of Calorimeter Clustering / Dos Santos Fernandes, Nuno (LIP - Laboratorio de Instrumentação e Física Experimental de Partículas (PT)) /ATLAS Collaboration
The Topological Cluster algorithm is the most expensive part of calorimeter reconstruction and the 16th most computationally demanding algorithm in the High Level Trigger. In anticipation of the challenges that the High Luminosity LHC will bring, an effort to assess the feasibility of employing Graphical Processing Units (GPUs) to accelerate this algorithm has been going on for the past few years, relying on a parallel-friendly variant we have called Topo-Automaton Clustering. [...]
ATL-DAQ-SLIDE-2023-711.- Geneva : CERN, 2024 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 156th LHCC Meeting, CERN, Geneva, Switzerland, 29 - 30 Nov 2023
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3.
ATLAS Trigger and Data Acquisition Upgrades for the High-Luminosity LHC / Dos Santos Fernandes, Nuno (LIP - Laboratorio de Instrumentação e Física Experimental de Partículas (PT)) /ATLAS Collaboration
The ATLAS experiment at CERN is constructing upgraded system for the "High Luminosity LHC", with collisions due to start in 2029. In order to deliver an order of magnitude more data than previous LHC runs, 14 TeV protons will collide with an instantaneous luminosity of up to 7.5 x 10e34 cm^-2s^-1, resulting in much higher pileup and data rates than the current experiment was designed to handle. [...]
ATL-DAQ-SLIDE-2023-544.- Geneva : CERN, 2023 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 11th Large Hadron Collider Physics Conference 2023, Belgrade, Serbia, 22 - 26 May 2023, pp.ATL-DAQ-SLIDE-2023-544
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4.
GPU acceleration of the ATLAS calorimeter clustering algorithm / Dos Santos Fernandes, Nuno (LIP Laboratorio de Instrumentacao e Fisica Experimental de Particulas (PT))
Given the upcoming High-Luminosity LHC Upgrade, the performance requirements for the trigger systems associated with the LHC experiments will increase due to the larger volume of data to be processed. [...]
ATL-DAQ-PROC-2022-002. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5.
Development of GPU-Accelerated Trigger Algorithms for the ATLAS Experiment at the LHC / Dos Santos Fernandes, Nuno
The ATLAS Experiment at the LHC, at CERN, is designed to detect several physical processes that happen when the particles collide [...]
CERN-THESIS-2021-192 - 81 p.

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6.
The Control and Configuration Software of the ATLAS Data Acquisition System: Upgrades for LHC Run 2 / Aleksandrov, Igor (Joint Institute for Nuclear Research) ; Anders, Gabriel (CERN) ; Avolio, Giuseppe (CERN) ; Caprini, Mihai (National Institute of Physics and Nuclear Engineering (IFIN-HH)) ; Corso-Radu, Alina (University of California, Irvine) ; D'ascanio, Matteo (CERN) ; De Castro Vargas Fernandes, Julio (Universidade Federal do Rio De Janeiro, COPPE/EE/IF) ; Kazarov, Andrei (Petersburg Nuclear Physics Institute) ; Kolobara, Bernard (CERN) ; Lankford, Andrew (University of California, Irvine) et al.
The Trigger and Data Acquisition (TDAQ) system of the ATLAS detector at the Large Hadron Collider (LHC) at CERN is composed of a large number of distributed hardware and software components which in a coordinated manner provide the data-taking functionality of the overall system. The Controls and Configuration (CC) software offers services to configure, control and monitor the TDAQ system. [...]
ATL-DAQ-SLIDE-2016-029.- Geneva : CERN, 2016 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 2015 IEEE Nuclear Science Symposium and Medical Imaging Conference, San Diego, CA, USA, 31 Oct - 7 Nov 2015
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7.
Detection of data taking anomalies for the ATLAS experiment / De Castro Vargas Fernandes, Julio (Universidade Federal do Rio De Janeiro, COPPE/EE/IF) ; Seixas, Jose (Universidade Federal do Rio De Janeiro, COPPE/EE/IF) ; Lehmann Miotto, Giovanna (CERN)
The physics signals produced by the ATLAS detector at the Large Hadron Collider (LHC) at CERN are acquired and selected by a distributed Trigger and Data AcQuistition (TDAQ) system, comprising a large number of hardware devices and software components. In this work, we focus on the problem of online detection of anomalies along the data taking period. [...]
ATL-DAQ-SLIDE-2015-700.- Geneva : CERN, 2015 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : LISHEP-International School on High Energy Physics Session C -Workshop, Manaus, Amazonas, Brazil, 2 - 9 Aug 2015
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8.
Upgrade of the ATLAS Control and Configuration Software for Run 2 / Avolio, Giuseppe (CERN) ; Aleksandrov, Igor (Joint Institute for Nuclear Research) ; Anders, Gabriel (CERN) ; Caprini, Mihai (National Institute of Physics and Nuclear Engineering (IFIN-HH)) ; Corso-Radu, Alina (University of California, Irvine) ; D'ascanio, Matteo (CERN) ; De Castro Vargas Fernandes, Julio (Universidade Federal do Rio De Janeiro, COPPE/EE/IF) ; Dova, Maria-Teresa (Universidad National de La Plata (UNLP)) ; Kazarov, Andrei (Petersburg Nuclear Physics Institute) ; Klopov, Nikolai (Petersburg Nuclear Physics Institute) et al.
The ATLAS data acquisition (DAQ) system is controlled and configured via a software infrastructure that takes care of coherently orchestrating the data taking. While the overall architecture, established at the end of the 90’s, has proven to be solid and flexible, many software components have undergone a complete redesign or re-implementation in 2013/2014 in order to fold-in the additional requirements that appeared in the course of LHC’s Run 1, to profit from new technologies and to re-factorise and cleanup software. [...]
ATL-DAQ-SLIDE-2015-172.- Geneva : CERN, 2015 - 1 p. Fulltext: POSTER - PDF; ATL-DAQ-SLIDE-2015-172 - PDF; External link: Original Communication (restricted to ATLAS)
In : 21st International Conference on Computing in High Energy and Nuclear Physics, Okinawa, Japan, 13 - 17 Apr 2015
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9.
Simultaneous generation and registration of SAR images / Fernandes, D
1998
In : 2nd Latino-American Seminar on Radar Remote Sensing : Image Processing Techniques, Santos, Brazil, 11 - 12 Sep 1998, pp.91-98
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10.
Coherent states in quantum mechanics / Rodrigues, R D L ; Batista-Silva, Milton ; Fernandes, D
We present a review work on the coherent states is non-relativistic quantum mechanics analysing the quantum oscillators in the coherent states. [...]
CBPF-NF-068-01. - 2001. - 26 p.
fulltext
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Veja também: nomes de autores similares
1 Fernandes, D N
1 Fernandes, D R
2 Fernandes, David E
3 Fernandes, Diogo Rio
1 Fernandes, Domingos
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