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We look at a model of sub-GeV dark matter interacting with quarks via a vector current coupling. At low energies, these interactions are described using the chiral Lagrangian framework and effective couplings to light mesons. We have calculated the rates of dark matter annihilation into these mesons, and obtained the expected secondary neutrino spectrum using publicly available tool, Hazma. We have evaluated the limits on model parameters from large volume neutrino experiment for \(\chi \bar{\chi }~\rightarrow {\pi ^+\pi ^-} \) .

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Searching for Neutrinos and Photons from Sub-GeV Dark Matter Interacting with Quarks

  • 会议论文

  • 发表日期：

    2025年

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  • Neeshu Rani,
  • Bhavesh Chauhan,
  • Madhukar Mishra

摘要

We look at a model of sub-GeV dark matter interacting with quarks via a vector current coupling. At low energies, these interactions are described using the chiral Lagrangian framework and effective couplings to light mesons. We have calculated the rates of dark matter annihilation into these mesons, and obtained the expected secondary neutrino spectrum using publicly available tool, Hazma. We have evaluated the limits on model parameters from large volume neutrino experiment for \(\chi \bar{\chi }~\rightarrow {\pi ^+\pi ^-} \) .