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Emulating the impac...
Emulating the impact of additional proton–proton interactions in the ATLAS simulation by presampling sets of inelastic Monte Carlo events
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Aad, G. (author)
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- Andrean, Stefio Y., 1991- (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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- Backman, Filip, 1991- (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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- Barranco Navarro, Laura (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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- Bohm, Christian, 1946- (author)
- KTH,Stockholms universitet,Fysikum,Partikel- och astropartikelfysik
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- Clément, Christophe (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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- Hellman, Sten (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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- Lou, Xuanhong (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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- Milstead, David A. (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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- Moa, Torbjörn (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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- Nelson, Michael E. (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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- Pasuwan, Patrawan, 1990- (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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- Pereira Sanchez, Laura, 1995- (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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- Shaikh, Nabila W., 1989- (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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- Silverstein, Samuel B. (author)
- Stockholms universitet,Fysikum
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- Sjölin, Jörgen (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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- Strandberg, Sara (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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- Strübig, Antonia (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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- Valdés Santurio, Eduardo, 1984- (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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- Wallängen, Veronica, 1986- (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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- Zwalinski, L. (author)
- CERN, Geneva, Switzerland.
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- Lund-Jensen, Bengt (author)
- KTH,Partikel- och astropartikelfysik
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- Ripellino, Giulia (author)
- KTH,Partikel- och astropartikelfysik
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- Shope, David R. (author)
- KTH,Partikel- och astropartikelfysik
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- Strandberg, Jonas (author)
- KTH,Partikel- och astropartikelfysik
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(creator_code:org_t)
- 2022-01-27
- 2022
- English.
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In: Computing and Software for Big Science. - : Springer Science and Business Media LLC. - 2510-2044 .- 2510-2036. ; 6:1
- Related links:
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https://doi.org/10.1...
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https://link.springe...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- The accurate simulation of additional interactions at the ATLAS experiment for the analysis of proton–proton collisions delivered by the Large Hadron Collider presents a significant challenge to the computing resources. During the LHC Run 2 (2015–2018), there were up to 70 inelastic interactions per bunch crossing, which need to be accounted for in Monte Carlo (MC) production. In this document, a new method to account for these additional interactions in the simulation chain is described. Instead of sampling the inelastic interactions and adding their energy deposits to a hard-scatter interaction one-by-one, the inelastic interactions are presampled, independent of the hard scatter, and stored as combined events. Consequently, for each hard-scatter interaction, only one such presampled event needs to be added as part of the simulation chain. For the Run 2 simulation chain, with an average of 35 interactions per bunch crossing, this new method provides a substantial reduction in MC production CPU needs of around 20%, while reproducing the properties of the reconstructed quantities relevant for physics analyses with good accuracy.
Subject headings
- NATURVETENSKAP -- Fysik -- Acceleratorfysik och instrumentering (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Accelerator Physics and Instrumentation (hsv//eng)
Keyword
- Electroweak interaction
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Aad, G.
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Andrean, Stefio ...
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Backman, Filip, ...
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Barranco Navarro ...
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Bohm, Christian, ...
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Clément, Christo ...
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show more...
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Hellman, Sten
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Lou, Xuanhong
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Milstead, David ...
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Moa, Torbjörn
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Nelson, Michael ...
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Pasuwan, Patrawa ...
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Pereira Sanchez, ...
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Shaikh, Nabila W ...
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Silverstein, Sam ...
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Sjölin, Jörgen
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Strandberg, Sara
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Strübig, Antonia
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Valdés Santurio, ...
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Wallängen, Veron ...
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Zwalinski, L.
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Lund-Jensen, Ben ...
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Ripellino, Giuli ...
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Shope, David R.
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Strandberg, Jona ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Accelerator Phys ...
- Articles in the publication
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Computing and So ...
- By the university
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Stockholm University
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Royal Institute of Technology