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Mixing in the D0 - D0bar system at BaBar | | U. Egede
; for the BaBar collaboration
; | | Date: |
25 Oct 2002 | | Journal: | Frascati Phys.Ser. 31 (2003) 239-243 | | Subject: | hep-ex | | Abstract: | We report a preliminary result for D0-D0bar mixing and the doubly Cabibbo suppressed decay rate R_D based on an analysis of D0 -> K+ pi- decays from 57.1 inverse fb of data collected at or just below the Y(4S) resonance with the BaBar detector at the PEP-II collider. We set 95% confidence limits for the mixing parameters x’^2 and y’ and find that our result is compatible with no mixing and no CP violation. In the limit of no mixing we find the doubly Cabibbo suppressed decay rate R_D = (0.357 +- 0.022 (stat.) +- 0.027 (syst.))% and the CP violating asymmetry A_D = 0.095 +- 0.061 (stat.) +- 0.083 (syst.). | | Source: | arXiv, hep-ex/0210060 | | Services: | Forum | Review | PDF | Favorites | |
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