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The nuclear reaction network WinNet

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arxiv 2305.07048 v2 pith:2IOBJECR submitted 2023-05-11 astro-ph.IM astro-ph.COastro-ph.HEastro-ph.SR

classification astro-ph.IMastro-ph.COastro-ph.HEastro-ph.SR
keywords networkreactionwinnetcasesconditionsdescribeimplementationmethod
verification ladder T0 review T1 audit T2 compute T3 formal
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We present the state-of-the-art single-zone nuclear reaction network WinNet that is capable of calculating the nucleosynthetic yields of a large variety of astrophysical environments and conditions. This ranges from the calculation of the primordial nucleosynthesis, where only a few nuclei are considered, to the ejecta of neutron star mergers with several thousands of involved nuclei. Here we describe the underlying physics and implementation details of the reaction network. We additionally present the numerical implementation of two different integration methods, the implicit Euler method and Gears method along with their advantages and disadvantages. We furthermore describe basic example cases of thermodynamic conditions that we provide together with the network and demonstrate the reliability of the code by using simple test cases. With this publication, WinNet is publicly available and open source at GitHub and Zenodo.

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Cited by 3 Pith papers

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

  1. Black hole-neutron star binaries with high spins and large mass asymmetries: III. Properties of the ejected material and its electromagnetic signatures

    gr-qc 2026-07 conditional novelty 6.0 of 10

    High-spin, high-mass-ratio black hole–neutron star mergers eject 0.02–0.06 solar masses of neutron-rich (Y_e≈0.05) debris whose kilonovae are infrared-bright, optically dark, and match late-time AT2017gfo while stayin...

  2. Effects of magnetically driven shocks on nucleosynthesis and kilonovae from neutron star mergers

    astro-ph.HE 2026-05 unverdicted novelty 6.0 of 10

    Magnetically driven shocks from neutron star merger remnants can reheat ejecta to nuclear statistical equilibrium, alter r-process yields, and produce observable changes in kilonova color and light curves.

  3. Light nuclei under magnetic field and the lithium problem

    nucl-th 2025-09 reject novelty 5.0 of 10

    Magnetic fields linearly change the exponential decay rate of light-nucleus wave functions, which the authors argue could enhance low-energy fusion reactions and, at implausibly high field strengths, affect the Big Ba...

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