Volume 518 - The 42nd International Symposium on Lattice Field Theory (LATTICE2025) - Parallel Session Theoretical developments and applications beyond Standard Model
Vector-channel scattering of dark particles in a Sp(4) gauge theory
J.W. Lee*, E. Bennett, Y. Dengler, D.K. Hong, H. Hsiao, C.J.D. Lin, B. Lucini, A. Maas, M. Piai, D. Vadacchino, F. Zierler  on behalf of the TELOS collaboration
*: corresponding author
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Pre-published on: July 17, 2026
Published on: —
Abstract
We report new results obtained in our lattice studies of the Sp(4) gauge theory coupled to two fundamental Dirac fermions. This theory provides a candidate for the dynamical origin of dark matter models within the strongly interacting massive particle paradigm. We employ Lüscher’s formalism to analyse finite-volume energy levels and study the scattering amplitude of two pseudoscalar states in the spin-1 channel. We present our preliminary findings for a set of ensembles generated within a broad range of (Wilson) fermion masses.
DOI: https://doi.org/10.22323/1.518.0159
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