# SmeftFR v3 - a tool for creating and handling vertices in SMEFT to the 1/Λ^4 order

- Institution: CERN
- Department: Open meetings
- Speaker: Michal Ryczkowski
- Year: 2023
- Language: English
- Source: [CERN](https://videos.cern.ch/record/3017978)
- Licence: [CERN](http://copyright.web.cern.ch)
- Who can watch: Teens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

SmeftFR v3 \[Comput.Phys.Commun. 294 (2024) 108943, 2302.01353, https://www.fuw.edu.pl/smeft/\] enables derivation of Feynman rules for interaction vertices from the dimension-5, dimension-6, and (so far) all bosonic dimension-8 SMEFT operators. Obtained Feynman rules allow for consistent numerical or symbolic calculations in SMEFT (e.g., in Madgraph or in FeynArts) to the 1/Λ^4 order in the EFT expansion, including dimension-6 squared and dimension-8 terms, which is a novelty in the literature. In my talk, I will discuss some of the most important new features of SmeftFR v3, such as choosing among and using one of the predetermined input schemes, including one for the CKM matrix. I will also describe examples of its usage and some possible applications..

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## Lectures

1. [SmeftFR v3 - a tool for creating and handling vertices in SMEFT to the 1/Λ^4 order](https://invisiblenetwork.ai/learn/cern/3017978/44b16170e110), 28 min (CERN's player)