| 1. |
- Aad, G., et al.
(författare)
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The ATLAS Experiment at the CERN Large Hadron Collider
- 2008
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Ingår i: Journal of Instrumentation. - 1748-0221. ; 3:S08003
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Forskningsöversikt (refereegranskat)abstract
- The ATLAS detector as installed in its experimental cavern at point 1 at CERN is described in this paper. A brief overview of the expected performance of the detector when the Large Hadron Collider begins operation is also presented.
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| 2. |
- Eerola, Paula, et al.
(författare)
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Atlas Data-Challenge 1 on NorduGrid
- 2003
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Ingår i: Proceedings of CHEP 2003.
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- The first LHC application ever to be executed in a computational Grid environment is the so-called ATLAS Data-Challenge 1, more specifically, the part assigned to the Scandinavian members of the ATLAS Collaboration. Taking advantage of the NorduGrid testb
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| 3. |
- Eerola, Paula, et al.
(författare)
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Building a Production Grid in Scandinavia
- 2003
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Ingår i: IEEE Internet Computing. - : IEEE. ; 7:4, s. 27-35
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The aim of the NorduGrid project is to build and operate a production grid infrastructure in Scandinavia and Finland. By developing innovative middleware solutions, it enables a 24/7 production-level test bed. Through a common access layer, NorduGrid conn
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| 4. |
- Eerola, Paula, et al.
(författare)
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The NorduGrid architecture and tools
- 2003
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Ingår i: Proceedings of CHEP 2003.
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- The NorduGrid project designed a Grid architecture with the primary goal to meet the requirements of production tasks of the LHC experiments. While it is meant to be a rather generic Grid system, it puts emphasis on batch processing suitable for problems
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| 5. |
- Eerola, Paula, et al.
(författare)
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The NorduGrid production Grid infrastructure, status and plans
- 2003
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Ingår i: Proc. Fourth International Workshop on Grid Computing. ; , s. 158-165
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- NorduGrid offers reliable Grid services for academic users over an increasing set of computing & storage resources spanning through the Nordic countries Denmark, Finland, Norway and Sweden. A small group of scientists has already been using the NorduGrid
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| 6. |
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| 7. |
- Smirnova, Oxana, et al.
(författare)
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The NorduGrid Architecture And Middleware for Scientific Applications
- 2003
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Ingår i: Lecture Notes in Computer Science. - Berlin, Heidelberg : Springer Berlin Heidelberg. ; 2657, s. 264-273
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- The NorduGrid project operates a production Grid infrastructure in Scandinavia and Finland using own innovative middleware solutions. The resources range from small test clusters at academic institutions to large farms at several supercomputer centers, a
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| 8. |
- Öhman, Henrik
(författare)
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Searches for Higgs bosons with hadronically decaying τ-leptons : Using Grid and Cloud computing techniques
- 2016
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- This thesis describes a measurement of the Standard Model Higgs boson coupling to fermions in decays to two τ-leptons, a search for charged Higgs bosons in decays to a τ-lepton and a neutrino, as well as the reconstruction, identification and triggering of hadronically decaying τ-leptons. The data considered are collected by the ATLAS experiment at the Large Hadron Collider.The reconstruction and identification of hadronically decaying τ-leptons in the ATLAS experiment during Run 2 of the Large Hadron Collider are described, and the performance of the τ trigger is measured in events with top–antitop-quark pairs using data from 13 TeV proton–proton collisions, corresponding to an integrated luminosity of 3.2 fb-1, collected in 2015, and 11.5 fb-1, collected in 2016.Hadronically decaying τ-leptons are of importance to many physical processes involving Higgs bosons. The coupling of the Standard Model Higgs boson to fermions is measured in decays to two τ-leptons using 7 TeV data corresponding to an integrated luminosity of 4.5 fb-1, collected in 2011, and 8 TeV data corresponding to an integrated luminosity of 20.3 fb-1, collected in 2012. The signal strength is measured to be μ = 1.4, corresponding to an excess over the background-only model of 4.5σ.Charged Higgs bosons are searched for in decays to a τ-lepton and a neutrino, where the τ-lepton decays hadronically. 13 TeV data corresponding to an integrated luminosity of 14.7 fb-1, collected in 2015 and 2016, are used. No excess over the Standard Model background is observed, and the 95 % confidence-level exclusion limits on σ(pp → [b]tH+) × (H+ → τν) are set to 2.0 pb–8 fb in the range 200–2000 GeV.
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