Han Zhang

activity

20242026

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hep-ph2025

Study $γ γ \to τ^{+} τ^{-}$ process including $τ^{+} τ^{-}$ spin information in Pb-Pb ultraperipheral collision and at Lepton collider

Peng-Cheng Lu, Zong-Guo Si, Han Zhang +1

We study the $γ γ \to τ^{+} τ^{-}$ process including full $τ^{+} τ^{-}$ spin information in Pb--Pb ultraperipheral collision and at lepton colliders. We present the predictions for the corres…

hep-ph2025

Probing the electromagnetic dipole moment of the $τ$ lepton in the $e^{+} e^{-} \to γ^{*} / Z \to τ^{+} τ^{-}$ reaction

Peng-Cheng Lu, Zong-Guo Si, Han Zhang

High-precision measurements of the lepton's electromagnetic dipole moments provide a powerful probe for testing the Standard Model. A non-zero value of the $τ$ lepton's electric(we…

Study γγ→τ+τ− process including τ+τ− spin information in Pb-Pb ultraperipheral collision and at Lepton collider

Probing the electromagnetic dipole moment of the τ lepton in the e+e−→γ∗/Z→τ+τ− reaction

Study $γ γ \to τ^{+} τ^{-}$ process including $τ^{+} τ^{-}$ spin information in Pb-Pb ultraperipheral collision and at Lepton collider

Probing the electromagnetic dipole moment of the $τ$ lepton in the $e^{+} e^{-} \to γ^{*} / Z \to τ^{+} τ^{-}$ reaction