• $D^{0} - \bar{D}^{0}$ mixing and new physics

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    • Keywords


      𝐷 meson; new physics; $D^{0} -\bar{D}^{0}$

    • Abstract


      The Standard Model (SM) and new physics (NP) descriptions of $D^{0}$ mixing are discussed. The SM part of the discussion addresses both quark-level and hadron-level contributions. The NP part describes our recent works on the rate difference $\Delta \Gamma_{D}$ and the mass difference $\Delta M_{\text{D}}$. In particular, we describe how the recent experimental determination of $\Delta M_{\text{D}}$ is found to place tightened restrictions on parameter spaces for 17 out of the 21 NP models considered.

    • Author Affiliations


      Sandip Pakvasa1

      1. 2505 Correa Road, University of Hawaii, Honolulu, HI 96822, USA
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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