Bothmann, Enrico

[["dc.bibliographiccitation.artnumber","64"],["dc.bibliographiccitation.issue","6"],["dc.bibliographiccitation.journal","Journal of High Energy Physics"],["dc.bibliographiccitation.volume","2022"],["dc.contributor.author","Bothmann, Enrico"],["dc.contributor.author","Napoletano, Davide"],["dc.contributor.author","Schönherr, Marek"],["dc.contributor.author","Schumann, Steffen"],["dc.contributor.author","Villani, Simon L."],["dc.date.accessioned","2022-06-17T12:42:43Z"],["dc.date.available","2022-06-17T12:42:43Z"],["dc.date.issued","2022-06-13"],["dc.date.updated","2022-06-17T08:03:24Z"],["dc.description.abstract","We consider the production of a pair of Z bosons at the LHC and study the inclusion of EW corrections in theoretical predictions at fixed order and based on multijet-merged parton-shower simulations. To this end we present exact NLO EW results for pp → e+e−μ+μ−, and, for the first time, for pp → e+e−μ+μ−j, and compare them to the EW virtual and NLL Sudakov approximation. We then match the exact NLO EW result to the resummed Sudakov logarithms to achieve an improved NLO EW + NLL EW sud exp $ \\mathrm{NLO}\\ \\mathrm{EW}+\\mathrm{NLL}\\ {\\mathrm{EW}}_{\\mathrm{sud}}^{\\mathrm{exp}} $ result. Further, we discuss the inclusion of the above EW corrections in MePs@Nlo event simulations in the framework of the Sherpa event generator. We present detailed phenomenological predictions for inclusive ZZ and ZZj production taking into account the dominant EW corrections through the EW virtual approximation, as well as through (exponentiated) EW Sudakov logarithms."],["dc.identifier.citation","Journal of High Energy Physics. 2022 Jun 13;2022(6):64"],["dc.identifier.doi","10.1007/JHEP06(2022)064"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/111436"],["dc.language.iso","en"],["dc.rights","CC BY 4.0"],["dc.rights.holder","The Author(s)"],["dc.subject","NLO Computations"],["dc.subject","QCD Phenomenology"],["dc.title","Higher-order EW corrections in ZZ and ZZj production at the LHC"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.subtype","original_ja"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.artnumber","1128"],["dc.bibliographiccitation.issue","12"],["dc.bibliographiccitation.journal","The European Physical Journal. C, Particles and Fields"],["dc.bibliographiccitation.volume","82"],["dc.contributor.author","Bothmann, Enrico"],["dc.contributor.author","Buckley, Andy"],["dc.contributor.author","Christidi, Ilektra A."],["dc.contributor.author","Gütschow, Christian"],["dc.contributor.author","Höche, Stefan"],["dc.contributor.author","Knobbe, Max"],["dc.contributor.author","Martin, Tim"],["dc.contributor.author","Schönherr, Marek"],["dc.date.accessioned","2022-12-19T08:09:15Z"],["dc.date.available","2022-12-19T08:09:15Z"],["dc.date.issued","2022-12-14"],["dc.date.updated","2022-12-18T04:12:24Z"],["dc.description.abstract","Abstract\r\n Poor computing efficiency of precision event generators for LHC physics has become a bottleneck for Monte-Carlo event simulation campaigns. We provide solutions to this problem by focusing on two major components of general-purpose event generators: The PDF evaluator and the matrix-element generator. For a typical production setup in the ATLAS experiment, we show that the two can consume about 80% of the total runtime. Using NLO simulations of \r\n \r\n \r\n \r\n $pp\\rightarrow \\ell ^+\\ell ^-+\\text {jets}$\r\n \r\n \r\n p\r\n p\r\n →\r\n \r\n ℓ\r\n +\r\n \r\n \r\n ℓ\r\n -\r\n \r\n +\r\n jets\r\n \r\n \r\n and \r\n \r\n \r\n \r\n $pp\\rightarrow t\\bar{t}+\\text {jets}$\r\n \r\n \r\n p\r\n p\r\n →\r\n t\r\n \r\n \r\n t\r\n \r\n \r\n ¯\r\n \r\n \r\n +\r\n jets\r\n \r\n \r\n as an example, we demonstrate that the computing footprint of Lhapdf and Sherpa can be reduced by factors of order 10, while maintaining the formal accuracy of the event sample. The improved codes are made publicly available."],["dc.identifier.citation","The European Physical Journal C. 2022 Dec 14;82(12):1128"],["dc.identifier.doi","10.1140/epjc/s10052-022-11087-1"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/118878"],["dc.language.iso","en"],["dc.rights.holder","The Author(s)"],["dc.title","Accelerating LHC event generation with simplified pilot runs and fast PDFs"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dc.type.version","published_version"],["dspace.entity.type","Publication"]]

[["dc.bibliographiccitation.issue","3"],["dc.bibliographiccitation.journal","SciPost physics"],["dc.bibliographiccitation.volume","7"],["dc.contributor.author","Bothmann, Enrico"],["dc.contributor.author","Singh Chahal, Gurpreet"],["dc.contributor.author","Höche, Stefan"],["dc.contributor.author","Krause, Johannes"],["dc.contributor.author","Krauss, Frank"],["dc.contributor.author","Kuttimalai, Silvan"],["dc.contributor.author","Liebschner, Sebastian"],["dc.contributor.author","Napoletano, Davide"],["dc.contributor.author","Schönherr, Marek"],["dc.contributor.author","Schulz, Holger"],["dc.contributor.author","Schumann, Steffen"],["dc.contributor.author","Siegert, Frank"],["dc.date.accessioned","2020-12-10T18:42:59Z"],["dc.date.available","2020-12-10T18:42:59Z"],["dc.date.issued","2019"],["dc.identifier.doi","10.21468/SciPostPhys.7.3.034"],["dc.identifier.eissn","2542-4653"],["dc.identifier.uri","https://resolver.sub.uni-goettingen.de/purl?gro-2/78153"],["dc.notes.intern","DOI Import GROB-354"],["dc.title","Event generation with Sherpa 2.2"],["dc.type","journal_article"],["dc.type.internalPublication","yes"],["dspace.entity.type","Publication"]]