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This study investigates TeV-scale vector leptoquarks (vLQs) and their contributions to the magnetic dipole moments of charged leptons. Significant parameter space for these LQs is excluded using current LHC data. Among vLQs only \(U_1\) and \(V_2\)  can account for the observed positive shift in \((a_\mu ^\textrm{exp} - a_\mu ^\textrm{SM})\) through a lepton chirality-flipping contribution with \(\mathcal {O}(1)\) LQ-quark-lepton coupling. These LQs can also fits for the electron dipole moment and atomic-parity violation measurements.

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Exploring TeV Scale Vector Leptoquark as a Solution to Lepton Dipole Moments

  • 会议论文

  • 发表日期：

    2025年

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  • Soumyadip Kundu,
  • Arvind Bhaskar,
  • Diganta Das,
  • Anirudhan A. Madathil,
  • Tanumoy Mandal,
  • Subhadip Mitra

摘要

This study investigates TeV-scale vector leptoquarks (vLQs) and their contributions to the magnetic dipole moments of charged leptons. Significant parameter space for these LQs is excluded using current LHC data. Among vLQs only \(U_1\) and \(V_2\)  can account for the observed positive shift in \((a_\mu ^\textrm{exp} - a_\mu ^\textrm{SM})\) through a lepton chirality-flipping contribution with \(\mathcal {O}(1)\) LQ-quark-lepton coupling. These LQs can also fits for the electron dipole moment and atomic-parity violation measurements.