Rivet is a toolkit for analysing simulated particle-collision events and comparing predictions from Monte Carlo generators with experimental measurements. It is used in particle physics phenomenology, event-generator development and the interpretation of collider data.
An important challenge in high-energy physics is ensuring that theoretical predictions can be compared consistently with published measurements. Rivet addresses this by preserving analysis definitions in executable form, allowing the same observable to be calculated from different simulated event samples.
Researchers can use Rivet to analyse particle jets, electroweak bosons, heavy quarks, hadronic final states and many other collider phenomena. Its analysis library contains implementations associated with measurements from major particle physics experiments.
The software provides a framework in which event records are processed using standard particle-level projections and selection criteria. Results can then be compared with reference distributions to assess the agreement between a generator and experimental data.
Rivet also supports the validation of changes to simulation models and the comparison of alternative generator configurations. Reusable analysis definitions help reduce inconsistencies between independent studies.
This is free and open source software.
Key Features
- Generator-independent analysis of simulated collision events.
- Extensive library of published collider measurement analyses.
- Reusable particle-level projections and selection criteria.
- Analysis of jets, leptons, hadrons and other event observables.
- Connections to experimental reference measurements.
- Histogram generation and statistical comparison workflows.
- Validation and tuning of Monte Carlo event generators.
- Consistent analysis definitions for reproducible studies.
- Automatic caching of shared event calculations.
- Facilities for handling event weights and variations.
- Support for detector-effect approximations in relevant analyses.
- Data processing and plotting utilities.
- Interfaces for integrating Rivet into existing simulation workflows.
- Analysis development tools for implementing new measurements.
Website: rivet.hepforge.org
Support:
Developer: Leif Lonnblad, Andy Buckley, Jon Butterworth and contributors
License: GNU General Public License v3.0
Rivet is written in C++. Learn C++ with our recommended free books and free tutorials.
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