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Measurement of the neutral D meson mixing parameters at the BaBar experiment

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Mixing is a process in which an electrically neutral meson is produced with a given flavor, but decays as its anti-particle partner. Mixing in the neutral D meson sector was first discussed in the nineteen seventies. However, it has not been until the last years, when sufficiently large and well identified samples of neutral D meson decays have become available, that clear evidence of mixing has been seen in several kinds of time-dependent measurements. In the past three years, both BaBar and Belle collaborations have established evidence of mixing in neutral D mesons, which has also been confirmed by the CDF collaboration.

In this talk, I will present a brief introduction to the phenomenon of mixing, an overview of all the different measurements on the field up to date, and the measurement of the mixing parameters in D0 —> Ks pi+ pi- and D0 —> Ks K+ K- decays done in BaBar.

This talk is part of the Cavendish HEP Seminars series.

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