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Scattering of dark pions in an Sp(4)-gauge theory

Yannick Dengler, Axel Maas, Fabian Zierler

Proceedings of The 40th International Symposium on Lattice Field Theory — PoS(LATTICE2023), Volume: 453

Swansea University Author: Fabian Zierler

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DOI (Published version): 10.22323/1.453.0103

Abstract

In this work we consider strongly interacting dark matter candidates as composite states of Nf=2 fermions charged under a dark Sp(4) gauge group in the fundamental representation. We give expressions that allow the calculation of correlation functions of two pseudo-Nambu-Goldstone-bosons with lattic...

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Published in: Proceedings of The 40th International Symposium on Lattice Field Theory — PoS(LATTICE2023)
ISSN: 1824-8039
Published: Trieste, Italy Sissa Medialab 2023
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URI: https://cronfa.swan.ac.uk/Record/cronfa65885
Abstract: In this work we consider strongly interacting dark matter candidates as composite states of Nf=2 fermions charged under a dark Sp(4) gauge group in the fundamental representation. We give expressions that allow the calculation of correlation functions of two pseudo-Nambu-Goldstone-bosons with lattice field theory and present first results on the scattering phase shift in the isospin-2 channel in the theory from first principles. We give a lower limit on the dark matter particle mass by comparing our results with astrophysical constraints on the cross-section.
College: Faculty of Science and Engineering
Funders: YDandFZhavebeensupportedtheAustrianScienceFundresearchteamsgrantSTRONG-DM (FG1). FZ has been supported by the STFC Grant No. ST/X000648/1.

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