D0-D0 mixing and CP violation at BES-Ⅲ

  • Recently, both BaBar and Belle experiments found evidences of neutral D mixing. In this paper, we discuss the sensitivities of the measurements of D mixing parameters at BESⅢ. With CP tag technique at ψ(3770) peak, the extraction of the strong phase difference in D0 →Kπ decay at BESⅢ are
    discussed. We also make an estimate on the measurements of the mixing rate R M by using the coherent data at ψ(3770) peak. The CP violation in D system is predicted with an unobserved level in the Standard Model. Any significant CP violation in the D system indicates the existence of new physics. The sensitivity
    of the measurements of CP violation in the D system is estimated in the coherent D decays. Finally, the search for the rare D decays are discussed, in which some of the forbidden decays are smoking gun of new physics.

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LI Hai-Bo. D0-D0 mixing and CP violation at BES-Ⅲ[J]. Chinese Physics C, 2008, 32(6): 470-476. doi: 10.1088/1674-1137/32/6/013
LI Hai-Bo. D0-D0 mixing and CP violation at BES-Ⅲ[J]. Chinese Physics C, 2008, 32(6): 470-476.  doi: 10.1088/1674-1137/32/6/013 shu
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Received: 2008-01-11
Revised: 2008-01-19
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D0-D0 mixing and CP violation at BES-Ⅲ

  • Institute of High Energy Physics, CAS, Beijing 100049, China

Abstract: 

Recently, both BaBar and Belle experiments found evidences of neutral D mixing. In this paper, we discuss the sensitivities of the measurements of D mixing parameters at BESⅢ. With CP tag technique at ψ(3770) peak, the extraction of the strong phase difference in D0 →Kπ decay at BESⅢ are
discussed. We also make an estimate on the measurements of the mixing rate R M by using the coherent data at ψ(3770) peak. The CP violation in D system is predicted with an unobserved level in the Standard Model. Any significant CP violation in the D system indicates the existence of new physics. The sensitivity
of the measurements of CP violation in the D system is estimated in the coherent D decays. Finally, the search for the rare D decays are discussed, in which some of the forbidden decays are smoking gun of new physics.

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