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CERN Document Server 22 records found  1 - 10nextend  jump to record: Search took 0.84 seconds. 
1.
An Efficient Algorithm for Extending Uniform Superposition States for Time-Series Data / Rieger, Carla (CERN ; Tech. U., Munich (main)) ; Grossi, Michele (CERN) ; Guerreschi, Gian Giacomo (Intel, Santa Clara) ; Vallecorsa, Sofia (CERN) ; Werner, Martin (Tech. U., Munich (main))
Leveraging fundamental quantum features such as quantum superposition is one of the key elements for the theoretical speed-up obtained in quantum algorithms, e.g., with Grover's search algorithm. In this work, we explore the novel concept of dynamic state preparation, which allows for extending an initially prepared superposition state already containing a set of data elements. [...]
2025 - 10 p. - Published in : IEEE 1 (2025) 259-268
In : 2025 International Conference on Quantum Computing and Engineering (QCE25), Albuquerque, United States, 31 Aug - 05 Sep 2025, pp.259-268
Detailed record
2.
Luminosity determination in $pp$ collisions at $\sqrt{s} = 13\;\mbox{TeV}$ using the ATLAS detector at the LHC / Carter, Joseph William (Department of Physics, University of Toronto) /ATLAS Collaboration
This poster describes the preliminary determination of the integrated luminosity for $pp$ collisions at $\sqrt{s} = 13\;\mbox{TeV}$ recorded by the ATLAS detector during Run 2 of the LHC in the years 2015-2018. The absolute luminosity scale was determined using van der Meer scans during dedicated running periods in each year, and extrapolated to the physics data-taking regime using complementary measurements from several luminosity-sensitive detectors. [...]
ATL-DAPR-SLIDE-2021-039.- Geneva : CERN, 2021 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : XXIX International Symposium on Lepton Photon Interactions at High Energies, Toronto, Canada, 5 - 10 Aug 2019
Detailed record
3.
Luminosity measurement with the ATLAS experiment at the LHC / Carter, Joseph William (Department of Physics, University of Toronto)
Many physics measurements made by the ATLAS experiment at the LHC require a precise measurement of the integrated luminosity of the data sample. [...]
ATL-DAPR-PROC-2020-004. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
Detailed record
4.
Processing and Quality Monitoring for the ATLAS Tile Hadronic Calorimeter Data / Burghgrave, Blake (Northern Illinois University) /ATLAS Collaboration
We present an overview of Data Processing and Data Quality (DQ) Monitoring for the ATLAS Tile Hadronic Calorimeter. Calibration runs are monitored from a data quality perspective and used as a cross-check for physics runs. [...]
ATL-TILECAL-SLIDE-2016-808.- Geneva : CERN, 2016 - 1 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 22nd International Conference on Computing in High Energy and Nuclear Physics, CHEP 2016, San Francisco, Usa, 10 - 14 Oct 2016
Detailed record
5.
ATLAS Data Preparation in Run 2 / Laycock, Paul (University of Liverpool) /ATLAS Collaboration
In this presentation, the data preparation workflows for Run 2 are presented. Online data quality uses a new hybrid software release that incorporates the latest offline data quality monitoring software for the online environment. [...]
ATL-SOFT-SLIDE-2016-755.- Geneva : CERN, 2016 - 14 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 22nd International Conference on Computing in High Energy and Nuclear Physics, CHEP 2016, San Francisco, Usa, 10 - 14 Oct 2016
Detailed record
6.
An evaluation of the potential of GPUs to accelerate tracking algorithms for the ATLAS trigger / Baines, JTM (STFC Rutherford Appleton Laboratory) ; Bristow, TM (University of Edinburgh) ; Emeliyanov, D (STFC Rutherford Appleton Laboratory) ; Howard, JR (University of Oxford) ; Kama, S (Southern Methodist University) ; Washbrook, AJ (University of Edinburgh) ; Wynne, BM (University of Edinburgh)
The potential of GPUs has been evaluated as a possible way to accelerate trigger algorithms for the ATLAS experiment located at the Large Hadron Collider (LHC). During LHC Run-1 ATLAS employed a three-level trigger system to progressively reduce the LHC collision rate of 20 MHz to a storage rate of about 600 Hz for offline processing. [...]
ATL-DAQ-SLIDE-2014-635.- Geneva : CERN, 2014 - 24 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : GPU in High Energy Physics, Pisa, Italy, 10 - 12 Sep 2014
Detailed record
7.
Performance of the ATLAS Calorimeter High-Level Trigger in the LHC Run 1 Data Taking period / Oliveira Damazio, D (BNL)
The ATLAS detector operated very successfully at the LHC Run 1 data taking period collecting a large number of events used for the discovery of the Higgs boson as well as for the search for beyond the Standard Model physics. In the main search channels related to the finding of the Higgs, the ATLAS calorimeter system played a major role in measuring the energy of photons, electrons, jets, taus as well as global missing transverse energy. [...]
ATL-DAQ-SLIDE-2013-856.- Geneva : CERN, 2013 - 23 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 2013 IEEE Nuclear Science Symposium and Medical Imaging Conference, Seoul, Korea, Kor, 26 Oct - 2 Nov 2013
Detailed record
8.
Improved Luminosity Determination in $\mathbf{pp}$ Collisions at $\mathbf{\sqrt s = 7}$ TeV using the ATLAS Detector at the LHC
The luminosity calibration for the ATLAS detector at the LHC during $pp$ collisions at $\sqrt s = 7$ TeV in 2010 and 2011 is presented. [...]
ATLAS-CONF-2012-080. - 2012.
Original Communication (restricted to ATLAS) - Full text
Detailed record
9.
Prompt data reconstruction at the ATLAS experiment / Stewart, G A (CERN) ; Boyd, J (CERN) ; da Costa, JF (DESY) ; Tuggle, J (Chicago U.) ; Unal, G (CERN) ; Boyd, Jamie (CERN) ; Firmino da Costa, Joao (DESY) ; Tuggle, Joseph (Chicago U.) ; Unal, Guillaume (CERN)
The ATLAS experiment at the LHC collider recorded more than 5~fb$^{-1}$ data of $pp$ collisions at a centre-of-mass energy of 7~TeV during 2011. [...]
ATL-SOFT-PROC-2012-062. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
Detailed record
10.
GPU-Based Tracking Algorithms for the ATLAS High-Level Trigger / Emeliyanov, D (Rutherford) ; Howard, J (Oxford U.)
Results on the performance and viability of data-parallel algorithms on Graphics Processing Units (GPUs) in the ATLAS Level 2 trigger system are presented. [...]
ATL-DAQ-PROC-2012-006. - 2012. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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