Uladzimir Khasianevich, W. Kotlarski, D. Stockinger
{"title":"NPointFunctions: a calculator of amplitudes and observables in FlexibleSUSY","authors":"Uladzimir Khasianevich, W. Kotlarski, D. Stockinger","doi":"10.22323/1.409.0036","DOIUrl":null,"url":null,"abstract":"We present $\\texttt{NPointFunctions}$, a package to incorporate desired amplitudes and observables for an arbitrary BSM model in $\\texttt{FlexibleSUSY}$. The package relies on the $\\texttt{SARAH}$-generated output used with $\\texttt{FeynArts}/\\texttt{FormCalc}$, embedded in an appropriate way, thus allowing calculations up to one-loop level. The resulting tool is an extension to $\\texttt{FlexibleSUSY}$, a generator of spectrum generator programs. $\\texttt{NPointFunctions}$ was designed to be customizable, modular and extensible with additional process- or amplitude- dependent contributions. We explain, how these goals are achieved, and discuss modifications to the default $\\texttt{FlexibleSUSY}$ workflow.","PeriodicalId":426598,"journal":{"name":"Proceedings of Computational Tools for High Energy Physics and Cosmology — PoS(CompTools2021)","volume":"300 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of Computational Tools for High Energy Physics and Cosmology — PoS(CompTools2021)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.22323/1.409.0036","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 3
Abstract
We present $\texttt{NPointFunctions}$, a package to incorporate desired amplitudes and observables for an arbitrary BSM model in $\texttt{FlexibleSUSY}$. The package relies on the $\texttt{SARAH}$-generated output used with $\texttt{FeynArts}/\texttt{FormCalc}$, embedded in an appropriate way, thus allowing calculations up to one-loop level. The resulting tool is an extension to $\texttt{FlexibleSUSY}$, a generator of spectrum generator programs. $\texttt{NPointFunctions}$ was designed to be customizable, modular and extensible with additional process- or amplitude- dependent contributions. We explain, how these goals are achieved, and discuss modifications to the default $\texttt{FlexibleSUSY}$ workflow.
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