What the study found
The study presents ANATAR, a Mathematica package for multi-loop computations, which are calculations involving more than one loop in a particle-physics process. The package integrates existing tools to generate and manipulate amplitudes and to support higher-order calculations.
Why the authors say this matters
The authors say ANATAR is efficient without compromising user-friendliness and flexibility. They also conclude that it is optimized for computations in effective field theories and supports large classes of BSM (beyond the Standard Model) models with the same gauge group as the SM (Standard Model).
What the researchers tested
The researchers introduced and reviewed the main functionalities of ANATAR. According to the abstract, the package uses QGRAF to generate Feynman diagrams, FORM to perform Dirac and color algebra, and interfaces to codes for integration-by-parts reduction to reduce expressions to master integrals.
What worked and what didn't
The abstract says ANATAR can manipulate generated amplitudes, extract scalar form factors, and map expressions to integral families for later reduction. It also states that the package integrates several existing tools and is equipped for phenomenological applications.
What to keep in mind
The abstract does not describe numerical benchmarks, comparisons with other software, or specific performance limits. It also does not provide detailed results from the phenomenological applications beyond stating that they are illustrated.
Key points
- ANATAR is a new Mathematica package for multi-loop computations.
- It integrates QGRAF for Feynman diagram generation and FORM for Dirac and color algebra.
- The package can manipulate amplitudes, extract scalar form factors, and map expressions to integral families.
- ANATAR interfaces with integration-by-parts reduction codes to reach master integrals.
- The abstract says it is optimized for effective field theory calculations and supports many BSM models.
Disclosure
- Research title:
- ANATAR integrates tools for multi-loop amplitude generation
- Authors:
- Claude Duhr, Pooja Mukherjee, Andrés Vásquez
- Institutions:
- Universität Hamburg, University of Bonn, University of Bonn
- Publication date:
- 2026-04-24
- OpenAlex record:
- View
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