3-10 August 2016
Chicago IL USA
US/Central timezone
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Precise measurements of the mass differences between the D*(2010)+, and the D+ and D0 mesons with the BABAR detector

Aug 8, 2016, 6:30 PM
Riverwalk A/B

Riverwalk A/B

Poster Strong Interactions and Hadron Physics Poster Session


Michael Sokoloff (University of Cincinnati)


We present a high precision measurement of the mass difference between the D*(2010)+ and D+ mesons using the decay chain D*(2010)+ -> D+ pi0, with D+ -> K- pi+ pi+ . The analysis has been performed on a data sample corresponding to an integrated luminosity of about 477 fb-1, collected with the BABAR detector at the PEP-II e+e- collider. We additionally combine this result with a previous BABAR measurement of m(D*(2010)+) - m(D0) to extract the mass difference between the charged and neutral D mesons. We obtain results that are approximately seven times more precise than the present world averages.

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