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ULYSSES: Universal LeptogeneSiS Equation Solver

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arxiv 2007.09150 v1 pith:UXS6WSBY submitted 2020-07-17 hep-ph

Alessandro Granelli , Kristian Moffat , Yuber Perez-Gonzalez , Holger Schulz , Jessica Turner This is my paper · ORCID
classification hep-ph
keywords ulyssescodeleptogenesisboltzmannequationsmechanismparameterspace
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ULYSSES is a python package that calculates the baryon asymmetry produced from leptogenesis in the context of a type-I seesaw mechanism. The code solves the semi-classical Boltzmann equations for points in the model parameter space as specified by the user. We provide a selection of predefined Boltzmann equations as well as a plugin mechanism for externally provided models of leptogenesis. Furthermore, the ULYSSES code provides tools for multi-dimensional parameter space exploration. The emphasis of the code is on user flexibility and rapid evaluation. It is publicly available at https://github.com/earlyuniverse/ulysses

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Insights on the Scale of Leptogenesis from Neutrino Masses and Neutrinoless Double-Beta Decay

    hep-ph 2025-02 conditional novelty 5.0 of 10

    In hierarchical seesaw leptogenesis, the required lightest heavy-neutrino mass sits between about 10^8 and 10^10 GeV for typical fine-tuning and can fall to 10^6 GeV with strong fine-tuning, as a function of the light...

  2. Thermal leptogenesis in minimal unified models

    hep-ph 2025-06 conditional novelty 4.0 of 10

    Thermal leptogenesis in minimal flipped SU(5) and SO(10) models tightly constrains their flavour parameters, yielding a lightest-neutrino mass below 0.03 eV and a B-L breaking scale near 10^12.5 GeV.

  3. Baryogenesis through leptogenesis in the minimal flipped $SU(5)$ with radiative seesaw

    hep-ph 2025-06 conditional novelty 2.0 of 10

    In the minimal flipped SU(5) model with radiative seesaw, successful thermal leptogenesis implies an upper limit on the lightest neutrino mass of about 3 x 10^-2 eV, testable at KATRIN.

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