Search Results - "Gellersen, Leif"

High dimensional parameter tuning for event generators by Bellm, Johannes, Gellersen, Leif

“…Monte Carlo Event Generators are important tools for the understanding of physics at particle colliders like the LHC. In order to best predict a wide variety…”
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Coloring mixed QCD/QED evolution by Gellersen, Leif, Prestel, Stefan, Spannowsky, Michael

“…Parton showers are crucial components of high-energy physics calculations. Improving their modelling of QCD is an active research area since shower…”
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A standard convention for particle-level Monte Carlo event-variation weights by Bothmann, Enrico, Buckley, Andy, Gütschow, Christian, Prestel, Stefan, Schönherr, Marek, Skands, Peter, Andersen, Jeppe R., Bhattacharya, Saptaparna, Butterworth, Jonathan, Singh Chahal, Gurpreet, Corpe, Louie, Gellersen, Leif, Gignac, Matthew, Höche, Stefan, Kar, Deepak, Krauss, Frank, Kretzschmar, Jan, Lönnblad, Leif, McFayden, Josh, Papaefstathiou, Andreas, Plätzer, Simon, Schumann, Steffen, Seymour, Michael H., Siegert, Frank, Siódmok, Andrzej

“…Streams of event weights in particle-level Monte Carlo event generators are a convenient and immensely CPU-efficient approach to express systematic…”
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Matrix element corrections in top quark decays for the $$t\overline{t}W^{\pm }$$ process by Frederix, Rikkert, Gellersen, Leif, Nasufi, Jasmina

“…Abstract We present a method that allows enabling matrix element corrections (MECs) in Pythia8 with MC@NLO matching, without incurring double counting. MECs…”
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Matrix element corrections in top quark decays for the tt¯W± process by Frederix, Rikkert, Gellersen, Leif, Nasufi, Jasmina

“…We present a method that allows enabling matrix element corrections (MECs) in Pythia8 with MC@NLO matching, without incurring double counting. MECs are an…”
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Matrix element corrections in top quark decays for the $$t\overline{t}W^{\pm }$$ t t ¯ W ± process by Rikkert Frederix, Leif Gellersen, Jasmina Nasufi

“…Abstract We present a method that allows enabling matrix element corrections (MECs) in Pythia8 with MC@NLO matching, without incurring double counting. MECs…”
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Matrix Element Corrections in top quark decays for the ttW process by Frederix, Rikkert, Gellersen, Leif, Nasufi, Jasmina

“…We present a method that allows enabling Matrix Element Corrections (MECs) in Pythia8 with MC@NLO matching, without incurring double counting. MECs are an…”
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Scale and Scheme Variations in Unitarized NLO Merging by Gellersen, Leif, Prestel, Stefan

“…Phys. Rev. D 101, 114007 (2020) Precision background predictions with well-defined uncertainty estimates are important for interpreting collider-physics…”
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High dimensional parameter tuning for event generators by Bellm, Johannes, Gellersen, Leif

“…Monte Carlo Event Generators are important tools for the understanding of physics at particle colliders like the LHC. In order to best predict a wide variety…”
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Coloring mixed QCD/QED evolution by Gellersen, Leif, Prestel, Stefan, Spannowsky, Michael

“…SciPost Phys. 13, 034 (2022) Parton showers are crucial components of high-energy physics calculations. Improving their modelling of QCD is an active research…”
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Disentangling soft and collinear effects in QCD parton showers by Gellersen, Leif, Höche, Stefan, Prestel, Stefan

“…We introduce a method for the separation of soft and collinear logarithms in QCD parton evolution at $\mathcal{O}(\alpha_s^2)$ and at leading color. Using an…”
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A comprehensive guide to the physics and usage of PYTHIA 8.3 by Bierlich, Christian, Chakraborty, Smita, Desai, Nishita, Gellersen, Leif, Helenius, Ilkka, Ilten, Philip, Lönnblad, Leif, Mrenna, Stephen, Prestel, Stefan, Preuss, Christian T, Sjöstrand, Torbjörn, Skands, Peter, Utheim, Marius, Verheyen, Rob

“…This manual describes the PYTHIA 8.3 event generator, the most recent version of an evolving physics tool used to answer fundamental questions in particle…”
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A standard convention for particle-level Monte Carlo event-variation weights by Bothmann, Enrico, Buckley, Andy, Gütschow, Christian, Prestel, Stefan, Schönherr, Marek, Skands, Peter, Andersen, Jeppe, Bhattacharya, Saptaparna, Butterworth, Jonathan, Chahal, Gurpreet Singh, Corpe, Louie, Gellersen, Leif, Gignac, Matthew, Kar, Deepak, Krauss, Frank, Kretzschmar, Jan, Lönnblad, Leif, McFayden, Josh, Papaefstathiou, Andreas, Plätzer, Simon, Schumann, Steffen, Seymour, Michael, Siegert, Frank, Siódmok, Andrzej

“…Streams of event weights in particle-level Monte Carlo event generators are a convenient and immensely CPU-efficient approach to express systematic…”
Get full text