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Rozprawy doktorskie na temat „High-energy physics data grid”

Autor: Grafiati

Data publikacji: 2 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Jones, Michael Angus Scott. "Using AFS as a distributed file system for computational and data grids in high energy physics." Thesis, University of Manchester, 2005. http://www.manchester.ac.uk/escholar/uk-ac-man-scw:181210.

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The use of the distributed file system, AFS, as a solution to the “input/output sandbox” problem in grid computing is studied. A computational grid middleware, primarily to accommodate the environment of the BaBar Computing Model, has been designed, written and is presented. A summary of the existing grid middleware and resources is discussed. A number of benchmarks (one written for this thesis) are used to test the performance of the AFS over the wide area network and grid environment. The performance of the AFS is also tested using a straightforward BaBar Analysis code on real data. Secure w

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Crosby, Paul Andrew. "Measurement and simulation of the performance of high energy physics data grids." Thesis, University College London (University of London), 2004. http://discovery.ucl.ac.uk/1446874/.

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This thesis describes a study of resource brokering in a computational Grid for high energy physics. Such systems are being devised in order to manage the unprecedented workload of the next generation particle physics experiments such as those at the Large Hadron Collider. A simulation of the European Data Grid has been constructed, and calibrated using logging data from a real Grid testbed. This model is then used to explore the Grid's middleware configuration, and suggest improvements to its scheduling policy. The expansion of the simulation to include data analysis of the type conducted by

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Kardos, Péter. "Performance optimization ofthe online data processing softwareof a high-energy physics experiment : Performance optimization ofthe online data processing softwareof a high-energy physics experiment." Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-404475.

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The LHCb experiment probes the differences between matter and anti-matter by examining particle collisions. Like any modern high energy physics experiment, LHCbrelies on a complex hardware and software infrastructure to collect and analyze the data generated from particle collisions. To filter out unimportant data before writing it to permanent storage, particle collision events have to be processed in real-time which requires a lot of computing power. This thesis focuses on performance optimizations of several parts of the real-timedata processing software: i) one of the particle path reconst

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Lester, G. A. "A computing structure for data acquisition in high energy physics." Thesis, University of Salford, 1988. http://usir.salford.ac.uk/2168/.

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A review of the development of parallel computing is presented, followed by a summary of currently recognised types of parallel computer and a brief summary of some applications of parallel computing in the field of high energy physics. The computing requirement at the data acquisition stage of a particular set of high energy physics experiments is detailed, with reference to the computing system currently in use. The requirement for a parallel processor to process the data from these experiments is established and a possible computing structure put forward. The topology proposed consists of a

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5

Li, Xiaoyue. "A Joint Analysis of T2K Beam Neutrino and Super-Kamiokande Sub-GeV Atmospheric Neutrino Data." Thesis, State University of New York at Stony Brook, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10844911.

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<p> Neutrino oscillation is a phenomenon in which neutrinos produced from charged current weak interactions can change flavor as they propagate. The mixing between the three flavor eigenstates and mass eigenstates can be measured through neutrino oscillations as the oscillation probabilities depend on the mixing angles and neutrino mass squared differences. </p><p> T2K is a long baseline neutrino experiment, in which a nearly pure muon neutrino or muon antineutrino beam is produced at J-PARC on the east coast of Japan and travels 295 km through the Earth’s crust towards the far detecto

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6

Haas, Stefan. "The IEEE 1355 Standard : developments, performance and application in high energy physics." Thesis, University of Liverpool, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367130.

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7

COMETTI, SIMONA. "A high resolution data conversion and digital processing for high energy physics calorimeter detectors readout." Doctoral thesis, Politecnico di Torino, 2020. http://hdl.handle.net/11583/2842515.

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8

Maddali, Siddharth. "Computational Mining of Meso-Scale Physics From High-Energy X-Ray Data Sets." Research Showcase @ CMU, 2016. http://repository.cmu.edu/dissertations/984.

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Migration of grain boundaries in an idealized, well-ordered polycrystalline sample is an often-studied phenomenon in microstructural materials science. It is the subject of many imaging experiments in two dimensions and simulations in two and three dimensions, the collective knowledge of which has given us many insights into behavior of specific materials. This thesis describes the characterization of the grain boundaries in a specially prepared polycrystalline aggregate of high-purity iron with a bodycentered cubic lattice whose microstructure was imaged non-destructively in three dimensions

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9

Niederhausen, Hans. "Measurement of the High Energy Astrophysical Neutrino Flux Using Electron and Tau Neutrinos Observed in Four Years of IceCube Data." Thesis, State University of New York at Stony Brook, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10823307.

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<p> The high-energy universe is known to be violent. Ultra High Energy Cosmic Rays (UHECRs) have been observed with kinetic energies exceeding 10<sup> 20</sup> eV. Their origin, despite decades of observations, remains elusive. A unique probe of the sources and production mechanisms of these high energy cosmic rays can be neutrinos, since they are inevitably produced when high-energy protons interact. The IceCube Neutrino Observatory, located at the geographical South Pole in Antarctica, continuously monitors a total volume of 1 km<sup> 3</sup> of clear Antarctic ice for neutrino interactions.

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10

Musgrave, Peter J. "An error reporting system for the upgraded CDF data acquisition system /." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=68226.

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This thesis describes the data acquisition error monitoring system developed for the 1993-94 physics run of the collider detector at Fermilab (CDF). It presents an overview of the CDF data acquisition system indicating the role that the error monitoring system plays in the experiment. It then describes the custom software and software packages used to meet the error monitoring requirements of the CDF data acquisition system.

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11

Klemetti, Miika. "Search for Higgs bosons beyond the standard model in early ATLAS data." Thesis, McGill University, 2011. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=104496.

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Higgs bosons are present in many extensions of the Standard Model, yet we are still waiting for the experimental conﬁrmation of their existence. This thesis discusses Minimal and Next-to Minimal Supersymmetric Models, and presents searches for leptonic Higgs boson decays in channels that may provide the ﬁrst unambiguous evidence of Higgs physics beyond the Standard Model. The channels considered are1 : gg→a1, gg→h1→2a1, H+→τν, and H+→a1W+, where a1→µµ and τ→ℓνν . A full data analysis is presented for gg→a1→µµ channel, while sensitivity prospects are discussed for the other channels. For the da

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12

Hong, Eugene S. "Searching for Ultra-high Energy Neutrinos with Data from a Prototype Station of the Askaryan Radio Array." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1417624919.

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13

Amaral, Vasco Miguel Moreira do. "Increasing productivity in high energy physics data mining with a domain specific visual query language." [S.l.] : [s.n.], 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=974156329.

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14

Rübel, Oliver. "Linking automated data analysis and visualization with applications in developmental biology and high-energy physics." Kaiserslautern Techn. Univ., Fachbereich Informatik, 2009. http://d-nb.info/999305859/34.

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15

Amaral, Vasco Miguel Moreira do. "Increasing productivity in high energy physics data mining with a domain specific visual query language." [S.l. : s.n.], 2004. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB11675449.

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16

Woolridge, Daniel “Shane.” "PACKETIZED TELEMETRY INCREASES FEEDBACK SYSTEM RESPONSE TIME IN A HIGH ENERGY PHYSICS APPLICATION." International Foundation for Telemetering, 1999. http://hdl.handle.net/10150/607295.

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International Telemetering Conference Proceedings / October 25-28, 1999 / Riviera Hotel and Convention Center, Las Vegas, Nevada<br>A digital feedback system used to monitor and control a high energy electron beam’s orbit and stability in a VUV and X-ray storage ring will realize a 10 fold increase in the feedback system response time using packetized (IRIG 107-98) telemetry. The improvement in feedback time will provide a significant improvement in the level of orbit stability. This paper discusses the advantages of using a packetizing standard and high speed data acquisition as a cost

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17

Alves, Cardoso Mário. "Implementation of Variational Autoencoder on the simulated particle collider data." Thesis, Uppsala universitet, Högenergifysik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-435325.

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We study the possibility of applying deep learning algorithms, suchas Variational Autoencoders, on simulated particle collider data to detectBeyond the Standard Model events. In this report, we apply three dif-ferent processes of training the data for better eciency and the resultsof said training on detecting anomalies. Links to the training and testingdata can be found here: https://www.phenomldata.org/

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18

Nixon, Gilbert. "Data acquisition and control in particle physics and astronomy." Thesis, University College London (University of London), 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.340538.

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19

Rübel, Oliver [Verfasser]. "Linking automated data analysis and visualization with applications in developmental biology and high-energy physics / Oliver Rübel." Kaiserslautern : Techn. Univ., Fachbereich Informatik, 2009. http://d-nb.info/999305859/34.

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20

Lundberg, Johan. "On the Search for High-Energy Neutrinos : Analysis of data from AMANDA-II." Doctoral thesis, Uppsala University, Department of Physics and Astronomy, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-8906.

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<p>A search for a diffuse flux of cosmic neutrinos with energies in excess of 10<sup>14</sup> eV was performed using two years of AMANDA-II data, collected in 2003 and 2004. A 20% evenly distributed sub-sample of experimental data was used to verify the detector description and the analysis cuts. A very good agreement between this 20% sample and the background simulations was observed. The analysis was optimised for discovery, to a relatively low price in limit setting power. The background estimate for the livetime of the examined 80% sample is 0.035 ± 68% events with an additional 41% system

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21

Stafford, Samuel J. "A Search for Ultra-high Energy Cosmic Neutrinos: Data Analysis of the Antarctic Impulsive Transient Antenna, Third Flight." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1500417877886765.

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22

Gordon, Jacob William Hunter. "A Binned Search for Ultra High Energy Neutrinos with Data from the Third Flight of the Antarctic Impulsive Transient Antenna." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1515037109386367.

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23

McCauley, Neil K. "Producing a background free data set for measurement of the charge current flux and day-night asymmetry at the Sudbury Neutrino Observatory." Thesis, University of Oxford, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.270284.

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24

Schumacher, Jörn [Verfasser]. "Interfacing detectors and collecting data for large-scale experiments in high energy physics using COTS technology / Jörn Schumacher." Paderborn : Universitätsbibliothek, 2017. http://d-nb.info/1139730584/34.

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25

Kaganas, Gary H. "Comparing Remote Data Transfer Rates of Compact Muon Solenoid Jobs with Xrootd and Lustre." FIU Digital Commons, 2014. http://digitalcommons.fiu.edu/etd/1534.

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To explore the feasibility of processing Compact Muon Solenoid (CMS) analysis jobs across the wide area network, the FIU CMS Tier-3 center and the Florida CMS Tier-2 center designed a remote data access strategy. A Kerberized Lustre test bed was installed at the Tier-2 with the design to provide storage resources to private-facing worker nodes at the Tier-3. However, the Kerberos security layer is not capable of authenticating resources behind a private network. As a remedy, an xrootd server on a public-facing node at the Tier-3 was installed to export the file system to the private-facing wor

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26

Clark, Brian A. "Optimization of a Search for Ultra-High Energy Neutrinos in Four Years of Data of ARA Station 2." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1563461175725125.

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27

Chadwick, Matthew. "Measurement of the tt̄ cross-section at 7 TeV with 36 PB⁻¹ of data in the electron+jets decay channel using the CMS detector." Thesis, Brunel University, 2012. http://bura.brunel.ac.uk/handle/2438/6498.

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A measurement of the top-pair production cross-section at a centre-of-mass energy of 7 TeV using proton-proton collisions with 36 pb-1 of data collected by CMS at the Large Hadron Collider is presented. The analysis is performed using the nal state that consists of one isolated electron with jets, one of which is required to be identified as being consistent with including the decay of a B hadron. The measured cross-section with three or more selected jets is 169 +/- 13(stat:)+37 +32(sys:)+8 -7(lumi:) pb and 197 +/- 17(stat:)+38 -35(sys:)+9 -8(lumi:) pb for four or more jets. The results are c

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28

Boyer, Alexandre. "Contributions to Computing needs in High Energy Physics Offline Activities : Towards an efficient exploitation of heterogeneous, distributed and shared Computing Resources." Electronic Thesis or Diss., Université Clermont Auvergne (2021-...), 2022. http://www.theses.fr/2022UCFAC108.

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Repousser les limites de la science et fournir des services spécifiques et performant aux particuliers et aux communautés requiert des logiciels toujours plus sophistiqués, du matériel spécialisé et un besoin croissant en stockage et puissance de calcul. En ce début de décennie, nous entrons dans une phase informatique distribuée et hétérogène, où les ressources seront limitées et contraintes. Les communautés employant les grilles de calculs doivent adapter leur approche : (i) les applications doivent supporter diverses architectures ; (ii) les systèmes de gestion de charge de travail doivent

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29

Di, Maria Riccardo. "Elastic computing on Cloud resources for the CMS experiment." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amslaurea.unibo.it/8955/.

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Nowadays, data handling and data analysis in High Energy Physics requires a vast amount of computational power and storage. In particular, the world-wide LHC Com- puting Grid (LCG), an infrastructure and pool of services developed and deployed by a ample community of physicists and computer scientists, has demonstrated to be a game changer in the efficiency of data analyses during Run-I at the LHC, playing a crucial role in the Higgs boson discovery. Recently, the Cloud computing paradigm is emerging and reaching a considerable adoption level by many different scientific organizations and not

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30

Copete, Antonio Julio. "BAT Slew Survey (BATSS): Slew Data Analysis for the Swift-BAT Coded Aperture Imaging Telescope." Thesis, Harvard University, 2012. http://dissertations.umi.com/gsas.harvard:10681.

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The BAT Slew Survey (BATSS) is the first wide-field survey of the hard X-ray sky (15–150 keV) with a slewing coded aperture imaging telescope. Its fine time resolution, high sensitivity and large sky coverage make it particularly well-suited for detections of transient sources with variability timescales in the \(\sim 1 sec–1 hour\) range, such as Gamma-Ray Bursts (GRBs), flaring stars and Blazars. As implemented, BATSS observations are found to be consistently more sensitive than their BAT pointing-mode counterparts, by an average of 20% over the 10 sec–3 ksec exposure range, due to intrinsic

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31

Sutherland, Michael. "A Method for Establishing Constraints on Galactic Magnetic Field Models Using Ultra High Energy Cosmic Rays and Results from the Data of the Pierre Auger Observatory." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1274798328.

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32

Wunsch, Stefan [Verfasser], and G. [Akademischer Betreuer] Quast. "Modern machine learning in the presence of systematic uncertainties for robust and optimized multivariate data analysis in high-energy particle physics / Stefan Wunsch ; Betreuer: G. Quast." Karlsruhe : KIT-Bibliothek, 2021. http://d-nb.info/1227451156/34.

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33

Isacson, Max. "Comparison of dilepton events in simulation and $pp$ collision data at $\sqrt s = 8\tev$ gathered by the ATLAS detector at the LHC." Thesis, Uppsala universitet, Högenergifysik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-239226.

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This thesis presents the results of a comparison between collision data and simulations based on Monte Carlo methods. The experimental dataset consists of $20.3\,\mathrm{fb}^{-1}$ of proton-proton collision data at $\sqrt s = 8\tev$ collected during 2012 by the ATLAS experiment located at the Large Hadron Collider. The final state used is $e\mu + \mathrm{jets}$. Four regions are defined, pretag ($\geq0$ jets, $\geq0$ $b$-jets), $\geq1$-tag ($\geq1$ jets, $\geq1$ $b$-jets), $\geq2$-jet ($\geq2$ jets, $\geq0$ $b$-jets), and 2-tag ($\geq2$ jets, 2 $b$-jets). Data and simulations are consistent in

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34

Ogul, Hasan. "Measurements of the differential cross section and charge asymmetry for inclusive pp→W(μν) production with 8 TeV CMS data and CMS single muon trigger efficiency study". Diss., University of Iowa, 2016. https://ir.uiowa.edu/etd/3152.

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This dissertation presents muon charge asymmetry, fiducial differential cross section and CMS single muon trigger efficiency measurements as a function of muon pseudorapidity for inclusive W→μν events produced in proton-proton collisions at the LHC. The data were recorded by the CMS detector at a center-of-mass energy of 8 TeV and correspond to an integrated luminosity of 18.8 fb-1. Several comparisons are performed to cross-check the experimental results. Muon efficiency measurements are compared to estimated values from Monte Carlo simulations and reference values recommended by CMS physics

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35

Gonçalves, Dayane Oliveira. "Fast online filtering based on data fusion of two highly segmented detectors." Universidade Federal de Juiz de Fora (UFJF), 2017. https://repositorio.ufjf.br/jspui/handle/ufjf/5435.

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Submitted by Renata Lopes (renatasil82@gmail.com) on 2017-07-04T20:35:11Z No. of bitstreams: 1 dayaneoliveiragoncalves.pdf: 5780108 bytes, checksum: 66585bbc9ff0f98a7f32499de344449c (MD5)<br>Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2017-08-08T14:48:18Z (GMT) No. of bitstreams: 1 dayaneoliveiragoncalves.pdf: 5780108 bytes, checksum: 66585bbc9ff0f98a7f32499de344449c (MD5)<br>Made available in DSpace on 2017-08-08T14:48:18Z (GMT). No. of bitstreams: 1 dayaneoliveiragoncalves.pdf: 5780108 bytes, checksum: 66585bbc9ff0f98a7f32499de344449c (MD5) Pr

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Hammad, Grégory. "Data-driven multi-jet and V+jets background estimation methods for top quark pair production at CMS." Doctoral thesis, Universite Libre de Bruxelles, 2011. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209884.

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The analysis presented in this thesis focuses on two methods developed to estimate, from data, the multi-jet and the V+jets background processes for top quark pair production occuring during proton-proton at LHC. Top quark paires are reconstructed using the CMS detector, exploiting the semi-leptonic decay channel. Both methods have been developed and studied using Monte-Carlo simulated data.<br>Doctorat en Sciences<br>info:eu-repo/semantics/nonPublished

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37

Engel, Heiko [Verfasser], Udo [Gutachter] Kebschull, and Lars [Gutachter] Hedrich. "Development of a read-out receiver card for fast processing of detector data : ALICE HLT run 2 readout upgrade and evaluation of dataflow hardware description for high energy physics readout applications / Heiko Engel ; Gutachter: Udo Kebschull, Lars Hedrich." Frankfurt am Main : Universitätsbibliothek Johann Christian Senckenberg, 2019. http://d-nb.info/1192372166/34.

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Pol, Adrian Alan. "Machine Learning Anomaly Detection Applications to Compact Muon Solenoid Data Quality Monitoring." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASS083.

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La surveillance de la qualité des données qui proviennent des expériences de physique des hautes énergies est une tâche exigeante mais cruciale pour assurer que les analyses physiques sont basées en données de la meilleure qualité possible. Lors de l’expérience Compact Muon Solenoid opérant au Grand collisionneur de hadrons du CERN, le paradigme actuel d’évaluation de la qualité des données est basé sur l’examen détaillé d’un grand nombre de tests statistiques. Cependant, la complexité toujours croissante des détecteurs et le volume des données de surveillance appellent un changement de paradi

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Kappas, Konstantinos. "Les heterogeneites dans les faisceaux de photons de haute energie employes en radiotherapie : recherches experimentales et theoriques." Toulouse 3, 1986. http://www.theses.fr/1986TOU30003.

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Etude de l'influence des heterogeneites du corps humain sur la distribution de la dose en radiotherapie. Qualite des faisceaux des appareis utilises et son influence sur les grandeurs dosimetriques fondamentales; les perturbations liees a la paroi de la chambre d'ionisation. Perturbation de la dose due a des volumes heterogenes excentres et des points de mesure excentres; le probleme de la prise en compte du diffuse multiple dans le calcul de la dose diffusee totale en presence de heterogeneites. Dose dans la zone de transition pres des interfaces milieu equivalent-eau/ milieu heterogene. Adap

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40

Bouhou, Boutayeb. "Recherche conjointe d'ondes gravitationnelles et de neutrino cosmiques de haute énergie avec les détecteurs VIRGO-LIGO et ANTARES." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2012. http://tel.archives-ouvertes.fr/tel-00819985.

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L'objectif de ce travail est la détection conjointe d'ondes gravitationnelles et de neutrinos cosmique de haute énergie à travers une approche multi-messagers. Les astronomies "neutrinos" et "ondes gravitationnelles" sont encore en phase de développement, mais elles sont appelées à jouer un rôle fondamental dans le futur. En effet, ces "messagers" peuvent parcourir de grandes distances grâce à leur faible interaction avec la matière (contrairement aux photons qui, à haute énergie, sont rapidement absorbés), sans être affectés par les champs magnétiques (contrairement aux rayons cosmiques charg

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41

Aliaga, Varea Ramón José. "Development of a data acquisition architecture with distributed synchronization for a Positron Emission Tomography system with integrated front-end." Doctoral thesis, Universitat Politècnica de València, 2016. http://hdl.handle.net/10251/63271.

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[EN] Positron Emission Tomography (PET) is a non-invasive nuclear medical imaging modality that makes it possible to observe the distribution of metabolic substances within a patient's body after marking them with radioactive isotopes and arranging an annular scanner around him in order to detect their decays. The main applications of this technique are the detection and tracing of tumors in cancer patients and metabolic studies with small animals. The Electronic Design for Nuclear Applications (EDNA) research group within the Instituto de Instrumentación para Imagen Molecular (I3M) has been

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42

Retinskaya, Ekaterina. "Reverse engineering of heavy-ion collisions : unraveling initial conditions from anisotropic flow data." Phd thesis, Université Paris Sud - Paris XI, 2014. http://tel.archives-ouvertes.fr/tel-01068777.

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Ultra-Relativistic heavy-ion physics is a promising field of high energy physics connecting two fields: nuclear physics and elementary particle physics. Experimental achievements of the last years have provided an opportunity to study the properties of a new state of matter created in heavy-ion collisions called quark-gluon plasma. The initial state of two colliding nuclei is affected by fluctuations coming from wave- functions of nucleons. These fluctuations lead to the momentum anisotropy of the hadronic matter which is observed by the detectors. The system created in the collision behaves l

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Zeman, Martin. "Measurement of the Standard Model W⁺W⁻ production cross-section using the ATLAS experiment on the LHC." Thesis, Paris 11, 2014. http://www.theses.fr/2014PA112263/document.

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Les mesures de sections efficaces de production di-bosons constituent une partie importante du programme de physique au Large Hadron Collider (Grand collisionneur de hadrons) au CERN. Ces analyses de physique offrent la possibilité d'explorer le secteur électrofaible du modèle standard à l'échelle du TeV et peuvent être une indication de l'existence de nouvelles particules au-delà du modèle standard. L'excellente performance du LHC dans les années 2011 et 2012 a permis de faire les mesures très compétitives. La thèse donne un aperçu complet des méthodes expérimentales utilisées dans la mesure

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Helary, Louis. "Recherche de technicouleur avec l'expérience ATLAS. Développement d'outils et étude des performances du calorimètre à argon liquide." Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00673341.

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En 2011, le LHC a fourni près de 5 fb−1 de données aux expériences. Ces données ont été utilisées pour comprendre plus avant les détecteurs, leurs performances et effectuer des analyses de physique. Cette thèse est organisée en cinq chapitres. Le premier est une introduction théorique au Modèle Standard et à une de ses extensions possible : la TechniCouleur. Le deuxième chapitre donne un bref aperçu de l'accélérateur LHC et de l'expérience ATLAS. Dans le troisième chapitre, l'un des principaux sous-système de l'expérience ATLAS est présenté : le calorimètre à argon liquide. L'algorithme de con

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Hallqvist, Karl. "Högtempererat borrhålslager för fjärrvärme." Thesis, Uppsala universitet, Naturresurser och hållbar utveckling, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-231586.

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The district heating load is seasonally dependent, with a low load during periods of high ambient temperature. Thermal energy storage (TES) has the potential to shift heating loads from winter to summer, thus reducing cost and environmental impact of District Heat production. In this study, a concept of high temperature borehole thermal energy storage (HT-BTES) together with a pellet heating plant for temperature boost, is presented and evaluated by its technical limitations, its ability to supply heat, its function within the district heating system, as well as its environmental impact and ec

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Fujdiak, Radek. "Analýza a optimalizace datové komunikace pro telemetrické systémy v energetice." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-358408.

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Telemetry system, Optimisation, Sensoric networks, Smart Grid, Internet of Things, Sensors, Information security, Cryptography, Cryptography algorithms, Cryptosystem, Confidentiality, Integrity, Authentication, Data freshness, Non-Repudiation.

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Phengsuwan, J., T. Shah, R. Sun, P. James, Dhaval Thakker, and R. Ranjan. "An ontology-based system for discovering landslide-induced emergencies in electrical grid." 2019. http://hdl.handle.net/10454/17769.

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No<br>Early warning systems (EWS) for electrical grid infrastructure have played a significant role in the efficient management of electricity supply in natural hazard prone areas. Modern EWS rely on scientific methods to analyze a variety of Earth Observation and ancillary data provided by multiple and heterogeneous data sources for the monitoring of electrical grid infrastructure. Furthermore, through cooperation, EWS for natural hazards contribute to monitoring by reporting hazard events that are associated with a particular electrical grid network. Additionally, sophisticated domain knowle

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Linden-Levy, Loren Alexander. "On extracting hadron multiplicities and unpolarized nucleon structure ratios from SIDIS data at the HERMES experiment /." 2008. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3314840.

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Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2008.<br>Source: Dissertation Abstracts International, Volume: 69-05, Section: B, page: 3062. Adviser: Jen-Chieh Peng. Includes bibliographical references (leaves 133-136) Available on microfilm from Pro Quest Information and Learning.

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Askew, Andrew Warren. "A comparison of multivariate data analysis techniques as applied to the identification of electrons and tau leptons." Thesis, 2001. http://hdl.handle.net/1911/17401.

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This thesis compares the performance of Probability Density Estimation and Neural Networks as applied to the identification of tau leptons and electrons at the DO detector for Run II. The theory behind each method of multivariate analysis is briefly described. The efficiencies of each of the methods are compared from analysis of Monte Carlo data samples, and optimal choices for the discrimination between signal and background are made.

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Tiwari, Praveen Chandra. "Search for dark matter produced in association with b-jets in proton-proton collisions at √s = 13 TeV with the CMS detector using full Run2 data." Thesis, 2021. https://etd.iisc.ac.in/handle/2005/5694.

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A search for dark matter particles in the events containing large missing transverse energy accompanied by b-quarks has been performed. The data collected by the Compact Muon Solenoid detector at the Large Hadron Collider in the years 2016, 2017 and 2018 in proton-proton collisions at a centre-of-mass energy of √s=13 TeV, which correspond to 138fb−1 integrated luminosity has been analyzed in the present study. For the analysis, two signal categories have been defined to account for the effects of detector acceptance and b-tagging identification. To model the background four control regions h

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