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12th International Workshop on Charm Physics (CHARM 2025)

12–16 May 2025
Tsung-Dao Lee Institute
Asia/Shanghai timezone

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Session

Parallel II: A

13 May 2025, 16:15
Tsung-Dao Lee Institute

Tsung-Dao Lee Institute

Tsung-Dao Lee Institute, 1 Lisuo Road, Pudong New Area, Shanghai

Conveners

Parallel II: A

  • Hailong Ma (Institute of High Energy of Physics)

Presentation materials

There are no materials yet.

  1. 19. Search for rare decays and new physics at BESIII
    Xueyin Liu (Wuhan University)
    13/05/2025, 16:15

    The BESIII experiment has collected 2.7 billion psi(3686) events, 10 billion J/psi events, 20 fb^-1 D meson pairs at 3.773 GeV, and 7.33 fb^-1 DsDs* events from 4.128 to 4.226 GeV. The huge data samples allow us to search for rare processes and new physics in charm hadron decays. In this talk, we report the search for FCNC decay in Ds+→h(h')e+e-, lepton number violation process...

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  2. 78. Precision measurement of the branching fraction for the decay $\psi(2S)\rightarrow\tau^{+}\tau^{-}$ at BESIII
    丙新/Bingxin 张/Zhang (中国科学院高能物理研究所)
    13/05/2025, 16:35
  3. 75. CP violation in Charmed Baryon Decays
    Fanrong Xu
    13/05/2025, 16:55
  4. 33. Polarization studies in the decays of D→VV at BESIII
    Xn Zeng (Fudan University)
    13/05/2025, 17:15

    The study of polarization in heavy-flavor meson decays into Vector-Vector （VV） states offers a unique opportunity to explore the non-perturbative aspects of Quantum Chromodynamics. While the B→VV puzzle has been extensively investigated, there remains a scarcity of data in the charm sector. This report aims to present a concise summary of the measurements related to D→VV decays as conducted by...

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  5. 116. Full angular analysis of CPV in four-body decays of heavy hadrons
    Prof. Zhen-Hua（振华） Zhang（张） (University of South China)
    13/05/2025, 17:35

    The violation of the charge-parity (CP) transformation symmetry, which although has been observed in plenty of pure meson decay processes, was only confirmed just very recently by the LHCb collaboration in the four-body decay of the heavy baryon $\Lambda_b^0$, $\Lambda_b^0\to p K^- \pi^+ \pi ^-$, through a comparison of the decay branching ratio with that of the CP-conjugate process. However,...

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  6. 107. Multibody decays of heavy hadrons
    fei huang (University of Jinan)
    13/05/2025, 17:55

    The decay of the D meson into multibody final states is a complex process that provides valuable insights into the fundamental interactions within the Standard Model of particle physics. This study focuses on the decay cascade $D^{+}\to K^{*}_{J} \ell^{+}\nu \to K^{\pm}\pi^{\mp} \ell^{+}\nu$ where the $K^*_J$ resonance encompasses the $K^*(892),K^{*}(1410),K^{*}_0(1430)$ states. We...

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  7. 85. Charm Chromo-EDM as a Probe of Top-quark FCNC interactions
    袁 兴博
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